barcodes);\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/callback/act/ActResultRequest.java",
"content": "package com.maning.mlkitscanner.scan.callback.act;\n\nimport android.app.Activity;\nimport android.app.FragmentManager;\nimport android.content.Intent;\n\n/**\n * \n * author : maning\n * e-mail : xxx@xx\n * time : 2018/06/04\n * desc :\n * version: 1.0\n *
\n */\npublic class ActResultRequest {\n private OnActResultEventDispatcherFragment fragment;\n\n public ActResultRequest(Activity activity) {\n fragment = getEventDispatchFragment(activity);\n }\n\n private OnActResultEventDispatcherFragment getEventDispatchFragment(Activity activity) {\n final FragmentManager fragmentManager = activity.getFragmentManager();\n\n OnActResultEventDispatcherFragment fragment = findEventDispatchFragment(fragmentManager);\n if (fragment == null) {\n fragment = new OnActResultEventDispatcherFragment();\n fragmentManager\n .beginTransaction()\n .add(fragment, OnActResultEventDispatcherFragment.TAG)\n .commitAllowingStateLoss();\n fragmentManager.executePendingTransactions();\n }\n return fragment;\n }\n\n private OnActResultEventDispatcherFragment findEventDispatchFragment(FragmentManager manager) {\n return (OnActResultEventDispatcherFragment) manager.findFragmentByTag(OnActResultEventDispatcherFragment.TAG);\n }\n\n public void startForResult(Intent intent, MNScanCallback callback) {\n fragment.startForResult(intent, callback);\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/callback/act/MNScanCallback.java",
"content": "package com.maning.mlkitscanner.scan.callback.act;\n\nimport android.content.Intent;\n\n/**\n * \n * author : maning\n * e-mail : xxx@xx\n * time : 2018/06/04\n * desc :\n * version: 1.0\n *
\n */\npublic interface MNScanCallback {\n\n void onActivityResult(int resultCode, Intent data);\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/callback/act/OnActResultEventDispatcherFragment.java",
"content": "package com.maning.mlkitscanner.scan.callback.act;\n\nimport android.app.Fragment;\nimport android.content.Intent;\nimport android.os.Bundle;\nimport android.util.SparseArray;\n\n/**\n * \n * author : maning\n * e-mail : xxx@xx\n * time : 2018/06/04\n * desc :\n * version: 1.0\n *
\n */\npublic class OnActResultEventDispatcherFragment extends Fragment {\n public static final String TAG = \"on_act_result_event_dispatcher\";\n\n private SparseArray mCallbacks = new SparseArray<>();\n\n @Override\n public void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setRetainInstance(true);\n }\n\n public void startForResult(Intent intent, MNScanCallback callback) {\n mCallbacks.put(callback.hashCode(), callback);\n startActivityForResult(intent, callback.hashCode());\n }\n\n @Override\n public void onActivityResult(int requestCode, int resultCode, Intent data) {\n super.onActivityResult(requestCode, resultCode, data);\n\n MNScanCallback callback = mCallbacks.get(requestCode);\n mCallbacks.remove(requestCode);\n\n if (callback != null) {\n callback.onActivityResult(resultCode, data);\n }\n }\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/camera/CameraManager.java",
"content": "package com.maning.mlkitscanner.scan.camera;\n\nimport android.content.Context;\nimport android.graphics.Bitmap;\nimport android.view.MotionEvent;\nimport android.view.ScaleGestureDetector;\nimport android.view.View;\n\nimport androidx.camera.core.Camera;\nimport androidx.camera.core.CameraSelector;\nimport androidx.camera.core.FocusMeteringAction;\nimport androidx.camera.core.ImageAnalysis;\nimport androidx.camera.core.MeteringPoint;\nimport androidx.camera.core.Preview;\nimport androidx.camera.core.ZoomState;\nimport androidx.camera.lifecycle.ProcessCameraProvider;\nimport androidx.camera.view.PreviewView;\nimport androidx.core.content.ContextCompat;\nimport androidx.lifecycle.LifecycleOwner;\n\nimport com.google.common.util.concurrent.ListenableFuture;\nimport com.google.mlkit.vision.barcode.common.Barcode;\nimport com.maning.mlkitscanner.scan.analyser.BarcodeAnalyser;\nimport com.maning.mlkitscanner.scan.callback.OnCameraAnalyserCallback;\nimport com.maning.mlkitscanner.scan.model.MNScanConfig;\nimport com.maning.mlkitscanner.scan.utils.BeepManager;\n\nimport java.util.List;\nimport java.util.concurrent.Executors;\n\n/**\n * @author : maning\n * @date : 8/19/21\n * @desc :\n */\npublic class CameraManager {\n\n private static final int HOVER_TAP_TIMEOUT = 150;\n private static final int HOVER_TAP_SLOP = 20;\n\n private ListenableFuture cameraProviderFuture;\n private LifecycleOwner mLifecycleOwner;\n private Camera mCamera;\n private long mLastHoveTapTime;\n private boolean isClickTap;\n private float mDownX;\n private float mDownY;\n private PreviewView mPreviewView;\n private Context mContext;\n private BarcodeAnalyser barcodeAnalyser;\n private OnCameraAnalyserCallback onCameraAnalyserCallback;\n private MNScanConfig scanConfig;\n private BeepManager beepManager;\n\n public static CameraManager getInstance(Context mContext, PreviewView mPreviewView) {\n return new CameraManager(mContext, mPreviewView);\n }\n\n public CameraManager(Context mContext, PreviewView mPreviewView) {\n this.mContext = mContext;\n this.mPreviewView = mPreviewView;\n initDatas();\n }\n\n public BarcodeAnalyser getBarcodeAnalyser() {\n return barcodeAnalyser;\n }\n\n public void setOnCameraAnalyserCallback(OnCameraAnalyserCallback callback) {\n this.onCameraAnalyserCallback = callback;\n }\n\n public void setScanConfig(MNScanConfig config) {\n scanConfig = config;\n beepManager.setPlayBeep(scanConfig.isShowBeep());\n beepManager.setVibrate(scanConfig.isShowVibrate());\n }\n\n public void setAnalyze(boolean analyze) {\n barcodeAnalyser.setAnalyze(analyze);\n }\n\n private void initDatas() {\n mLifecycleOwner = (LifecycleOwner) mContext;\n beepManager = new BeepManager(mContext);\n initBarcodeAnalyser();\n initScaleGesture();\n }\n\n public void startCamera() {\n cameraProviderFuture = ProcessCameraProvider.getInstance(mContext);\n cameraProviderFuture.addListener(new Runnable() {\n @Override\n public void run() {\n try {\n ProcessCameraProvider cameraProvider = cameraProviderFuture.get();\n Preview preview = new Preview.Builder().build();\n //绑定预览\n preview.setSurfaceProvider(mPreviewView.getSurfaceProvider());\n //使用后置相机\n CameraSelector cameraSelector = new CameraSelector.Builder()\n .requireLensFacing(CameraSelector.LENS_FACING_BACK)\n .build();\n //配置图片扫描\n ImageAnalysis imageAnalysis = new ImageAnalysis.Builder()\n .setTargetResolution(CameraSizeUtils.getSize(mContext))\n .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)\n .build();\n imageAnalysis.setAnalyzer(Executors.newSingleThreadExecutor(), barcodeAnalyser);\n if (mCamera != null) {\n cameraProviderFuture.get().unbindAll();\n }\n //将相机绑定到当前控件的生命周期\n mCamera = cameraProvider.bindToLifecycle(mLifecycleOwner, cameraSelector, imageAnalysis, preview);\n } catch (Exception e) {\n }\n }\n }, ContextCompat.getMainExecutor(mContext));\n }\n\n private void initBarcodeAnalyser() {\n barcodeAnalyser = new BarcodeAnalyser();\n barcodeAnalyser.setPreviewView(mPreviewView);\n barcodeAnalyser.setAnalyze(true);\n barcodeAnalyser.setOnCameraAnalyserCallback(new OnCameraAnalyserCallback() {\n @Override\n public void onSuccess(Bitmap bitmap, List barcodes) {\n beepManager.playBeepSoundAndVibrate();\n if (onCameraAnalyserCallback != null) {\n onCameraAnalyserCallback.onSuccess(bitmap, barcodes);\n }\n }\n });\n }\n\n private void initScaleGesture() {\n ScaleGestureDetector scaleGestureDetector = new ScaleGestureDetector(mContext, mOnScaleGestureListener);\n mPreviewView.setOnTouchListener(new View.OnTouchListener() {\n @Override\n public boolean onTouch(View view, MotionEvent event) {\n handlePreviewViewClickTap(event);\n if (scanConfig != null && scanConfig.isSupportZoom()) {\n return scaleGestureDetector.onTouchEvent(event);\n }\n return false;\n }\n });\n }\n\n private ScaleGestureDetector.OnScaleGestureListener mOnScaleGestureListener = new ScaleGestureDetector.SimpleOnScaleGestureListener() {\n @Override\n public boolean onScale(ScaleGestureDetector detector) {\n float scale = detector.getScaleFactor();\n if (mCamera != null) {\n float ratio = mCamera.getCameraInfo().getZoomState().getValue().getZoomRatio();\n zoomTo(ratio * scale);\n }\n return true;\n }\n\n };\n\n private void handlePreviewViewClickTap(MotionEvent event) {\n if (event.getPointerCount() == 1) {\n switch (event.getAction()) {\n case MotionEvent.ACTION_DOWN:\n isClickTap = true;\n mDownX = event.getX();\n mDownY = event.getY();\n mLastHoveTapTime = System.currentTimeMillis();\n break;\n case MotionEvent.ACTION_MOVE:\n isClickTap = distance(mDownX, mDownY, event.getX(), event.getY()) < HOVER_TAP_SLOP;\n break;\n case MotionEvent.ACTION_UP:\n if (isClickTap && mLastHoveTapTime + HOVER_TAP_TIMEOUT > System.currentTimeMillis()) {\n startFocusAndMetering(event.getX(), event.getY());\n }\n break;\n }\n }\n }\n\n private float distance(float aX, float aY, float bX, float bY) {\n float xDiff = aX - bX;\n float yDiff = aY - bY;\n return (float) Math.sqrt(xDiff * xDiff + yDiff * yDiff);\n }\n\n public void zoomTo(float ratio) {\n if (mCamera != null) {\n ZoomState zoomState = mCamera.getCameraInfo().getZoomState().getValue();\n float maxRatio = zoomState.getMaxZoomRatio();\n float minRatio = zoomState.getMinZoomRatio();\n float zoom = Math.max(Math.min(ratio, maxRatio), minRatio);\n mCamera.getCameraControl().setZoomRatio(zoom);\n }\n }\n\n private void startFocusAndMetering(float x, float y) {\n if (mCamera != null) {\n MeteringPoint point = mPreviewView.getMeteringPointFactory().createPoint(x, y);\n mCamera.getCameraControl().startFocusAndMetering(new FocusMeteringAction.Builder(point).build());\n }\n }\n\n public void openLight() {\n if (mCamera != null) {\n mCamera.getCameraControl().enableTorch(true);\n }\n }\n\n public void closeLight() {\n if (mCamera != null) {\n mCamera.getCameraControl().enableTorch(false);\n }\n }\n\n public void stopCamera() {\n try {\n if (cameraProviderFuture != null) {\n cameraProviderFuture.get().unbindAll();\n }\n } catch (Exception e) {\n }\n }\n\n public void release() {\n try {\n mPreviewView = null;\n mLifecycleOwner = null;\n stopCamera();\n } catch (Exception e) {\n }\n }\n\n} "
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/camera/CameraSizeUtils.java",
"content": "package com.maning.mlkitscanner.scan.camera;\n\nimport android.content.Context;\nimport android.util.DisplayMetrics;\nimport android.util.Log;\nimport android.util.Size;\n\n/**\n * @author : maning\n * @date : 8/19/21\n * @desc :\n */\npublic class CameraSizeUtils {\n\n public static Size getSize(Context context) {\n Size mTargetSize;\n DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();\n int width = displayMetrics.widthPixels;\n int height = displayMetrics.heightPixels;\n Log.i(\"======\", String.format(\"displayMetrics:%d x %d\", width, height));\n //因为为了保持流畅性和性能，限制在1080p，在此前提下尽可能的找到屏幕接近的分辨率\n if (width < height) {\n int size = Math.min(width, 1080);\n float ratio = width / (float) height;\n if (ratio > 0.7) {//一般应用于平板\n mTargetSize = new Size(size, (int) (size / 3.0f * 4.0f));\n } else {\n mTargetSize = new Size(size, (int) (size / 9.0f * 16.0f));\n }\n } else {\n int size = Math.min(height, 1080);\n float ratio = height / (float) width;\n if (ratio > 0.7) {//一般应用于平板\n mTargetSize = new Size((int) (size / 3.0f * 4.0f), size);\n } else {\n mTargetSize = new Size((int) (size / 9.0f * 16.0), size);\n }\n }\n Log.i(\"======\", \"mTargetSize:\" + mTargetSize.getWidth() + \",\" + mTargetSize.getHeight());\n return mTargetSize;\n }\n\n} "
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/model/MNScanConfig.java",
"content": "package com.maning.mlkitscanner.scan.model;\n\n\nimport com.maning.mlkitscanner.R;\nimport com.maning.mlkitscanner.scan.callback.MNCustomViewBindCallback;\n\nimport java.io.Serializable;\n\n/**\n * Created by maning on 2017/12/7.\n * 启动Activity的一些配置参数\n */\n\npublic class MNScanConfig implements Serializable {\n\n private static final long serialVersionUID = -5260676142223049891L;\n\n public static MNCustomViewBindCallback mCustomViewBindCallback;\n\n //枚举类型：扫描线样式\n public enum LaserStyle {\n Line,\n Grid,\n }\n\n //是否显示相册\n private boolean showPhotoAlbum;\n //扫描声音\n private boolean showBeep;\n //扫描震动\n private boolean showVibrate;\n //扫描框和扫描线的颜色\n private String scanColor;\n //扫描线的样式\n private LaserStyle laserStyle;\n //扫描提示文案\n private String scanHintText;\n //扫描提示文案颜色\n private String scanHintTextColor;\n //扫描提示文案字体大小\n private int scanHintTextSize;\n //开启Activity动画\n private int activityOpenAnime;\n //关闭Activity动画\n private int activityExitAnime;\n //是否支持手势缩放，默认支持\n private boolean isSupportZoom = true;\n //自定义View\n private int customShadeViewLayoutID;\n //扫描背景色\n private String bgColor;\n //网格扫描线的列数\n private int gridScanLineColumn;\n //网格扫描线的高度\n private int gridScanLineHeight;\n //显示闪光灯\n private boolean showLightController = true;\n //是否需要全屏扫描，默认全屏扫描\n private boolean isFullScreenScan = true;\n //扫描二维码中心点宽高\n private int resultPointWithdHeight = 0;\n //扫描二维码中心点显示圆角\n private int resultPointCorners = 0;\n //扫描二维码中心点显示描边\n private int resultPointStrokeWidth = 0;\n //扫描二维码中心点显示描边颜色\n private String resultPointStrokeColor;\n //扫描二维码中心点显示颜色\n private String resultPointColor;\n //状态栏颜色\n private String statusBarColor = \"#00000000\";\n //状态栏是否显示黑色字体\n private boolean statusBarDarkMode = false;\n //扫描框宽度大小比例，非全屏模式下生效，默认0.7，范围0.5-0.9\n private float scanFrameSizeScale = 0.7f;\n\n private MNScanConfig() {\n\n }\n\n\n private MNScanConfig(Builder builder) {\n showPhotoAlbum = builder.showPhotoAlbum;\n showBeep = builder.showBeep;\n showVibrate = builder.showVibrate;\n scanColor = builder.scanColor;\n laserStyle = builder.laserStyle;\n scanHintText = builder.scanHintText;\n activityOpenAnime = builder.activityOpenAnime;\n activityExitAnime = builder.activityExitAnime;\n customShadeViewLayoutID = builder.customShadeViewLayoutID;\n bgColor = builder.bgColor;\n gridScanLineColumn = builder.gridScanLineColumn;\n gridScanLineHeight = builder.gridScanLineHeight;\n showLightController = builder.showLightController;\n scanHintTextColor = builder.scanHintTextColor;\n scanHintTextSize = builder.scanHintTextSize;\n isFullScreenScan = builder.isFullScreenScan;\n isSupportZoom = builder.isSupportZoom;\n resultPointWithdHeight = builder.resultPointWithdHeight;\n resultPointCorners = builder.resultPointCorners;\n resultPointStrokeWidth = builder.resultPointStrokeWidth;\n resultPointStrokeColor = builder.resultPointStrokeColor;\n resultPointColor = builder.resultPointColor;\n statusBarColor = builder.statusBarColor;\n statusBarDarkMode = builder.statusBarDarkMode;\n scanFrameSizeScale = builder.scanFrameSizeScale;\n\n }\n\n public String getStatusBarColor() {\n return statusBarColor;\n }\n\n public boolean isStatusBarDarkMode() {\n return statusBarDarkMode;\n }\n\n public int getResultPointWithdHeight() {\n return resultPointWithdHeight;\n }\n\n public int getResultPointCorners() {\n return resultPointCorners;\n }\n\n public int getResultPointStrokeWidth() {\n return resultPointStrokeWidth;\n }\n\n public String getResultPointStrokeColor() {\n return resultPointStrokeColor;\n }\n\n public String getResultPointColor() {\n return resultPointColor;\n }\n\n public boolean isShowPhotoAlbum() {\n return showPhotoAlbum;\n }\n\n public boolean isShowBeep() {\n return showBeep;\n }\n\n public boolean isShowVibrate() {\n return showVibrate;\n }\n\n public String getScanColor() {\n return scanColor;\n }\n\n public LaserStyle getLaserStyle() {\n return laserStyle;\n }\n\n public String getScanHintText() {\n return scanHintText;\n }\n\n public String getScanHintTextColor() {\n return scanHintTextColor;\n }\n\n public int getScanHintTextSize() {\n return scanHintTextSize;\n }\n\n public int getActivityOpenAnime() {\n return activityOpenAnime;\n }\n\n public int getActivityExitAnime() {\n return activityExitAnime;\n }\n\n public int getCustomShadeViewLayoutID() {\n return customShadeViewLayoutID;\n }\n\n public String getBgColor() {\n return bgColor;\n }\n\n public int getGridScanLineColumn() {\n return gridScanLineColumn;\n }\n\n public int getGridScanLineHeight() {\n return gridScanLineHeight;\n }\n\n public boolean isShowLightController() {\n return showLightController;\n }\n\n public boolean isFullScreenScan() {\n return isFullScreenScan;\n }\n\n public boolean isSupportZoom() {\n return isSupportZoom;\n }\n\n public float getScanFrameSizeScale() {\n if (scanFrameSizeScale > 0.9) {\n scanFrameSizeScale = 0.9f;\n }\n if (scanFrameSizeScale < 0.5) {\n scanFrameSizeScale = 0.5f;\n }\n return scanFrameSizeScale;\n }\n\n public static class Builder {\n private boolean showPhotoAlbum = true;\n private boolean showBeep = true;\n private boolean showVibrate = true;\n //扫描颜色\n private String scanColor;\n private String bgColor;\n private LaserStyle laserStyle = LaserStyle.Line;\n private int activityOpenAnime = R.anim.mn_scan_activity_bottom_in;\n private int activityExitAnime = R.anim.mn_scan_activity_bottom_out;\n private int customShadeViewLayoutID;\n //网格扫描线的列数\n private int gridScanLineColumn;\n //网格扫描线的高度\n private int gridScanLineHeight;\n //闪光灯\n private boolean showLightController = true;\n //扫描提示文案\n private String scanHintText = \"扫二维码/条形码\";\n //扫描提示文案颜色\n private String scanHintTextColor;\n //扫描提示文案字体大小\n private int scanHintTextSize;\n //是否需要全屏扫描，默认值扫描扫描框中的二维码\n private boolean isFullScreenScan = true;\n //是否支持手势缩放，默认支持\n private boolean isSupportZoom = true;\n //扫描二维码中心点显示半径\n private int resultPointWithdHeight = 0;\n //扫描二维码中心点显示圆角\n private int resultPointCorners = 0;\n //扫描二维码中心点显示描边\n private int resultPointStrokeWidth = 0;\n //扫描二维码中心点显示描边颜色\n private String resultPointStrokeColor;\n //扫描二维码中心点显示颜色\n private String resultPointColor;\n //状态栏颜色\n private String statusBarColor = \"#00000000\";\n //状态栏是否显示黑色字体\n private boolean statusBarDarkMode = false;\n //扫描框宽度大小比例，非全屏模式下生效，默认0.7，范围0.5-0.9\n private float scanFrameSizeScale = 0.7f;\n\n public MNScanConfig builder() {\n return new MNScanConfig(this);\n }\n\n public Builder setStatusBarConfigs(String statusBarColor,\n boolean statusBarDarkMode) {\n this.statusBarColor = statusBarColor;\n this.statusBarDarkMode = statusBarDarkMode;\n return this;\n }\n\n /**\n * 设置扫描点大小圆角等（单位dp）\n *\n * @param resultPointWithdHeight\n * @param resultPointCorners\n * @param resultPointStrokeWidth\n * @param resultPointStrokeColor\n * @param resultPointColor\n * @return\n */\n public Builder setResultPointConfigs(int resultPointWithdHeight,\n int resultPointCorners,\n int resultPointStrokeWidth,\n String resultPointStrokeColor,\n String resultPointColor) {\n this.resultPointWithdHeight = resultPointWithdHeight;\n this.resultPointCorners = resultPointCorners;\n this.resultPointStrokeWidth = resultPointStrokeWidth;\n this.resultPointStrokeColor = resultPointStrokeColor;\n this.resultPointColor = resultPointColor;\n return this;\n }\n\n public Builder setLaserStyle(LaserStyle laserStyle) {\n this.laserStyle = laserStyle;\n return this;\n }\n\n public Builder isShowPhotoAlbum(boolean showPhotoAlbum) {\n this.showPhotoAlbum = showPhotoAlbum;\n return this;\n }\n\n public Builder isShowBeep(boolean showBeep) {\n this.showBeep = showBeep;\n return this;\n }\n\n public Builder isShowVibrate(boolean showVibrate) {\n this.showVibrate = showVibrate;\n return this;\n }\n\n public Builder setScanColor(String scanColor) {\n this.scanColor = scanColor;\n return this;\n }\n\n public Builder setScanHintText(String scanHintText) {\n this.scanHintText = scanHintText;\n return this;\n }\n\n public Builder setActivityOpenAnime(int activityOpenAnime) {\n this.activityOpenAnime = activityOpenAnime;\n return this;\n }\n\n public Builder setActivityExitAnime(int activityExitAnime) {\n this.activityExitAnime = activityExitAnime;\n return this;\n }\n\n public Builder setCustomShadeViewLayoutID(int customShadeViewLayoutID, MNCustomViewBindCallback mnCustomViewBindCallback) {\n this.customShadeViewLayoutID = customShadeViewLayoutID;\n mCustomViewBindCallback = mnCustomViewBindCallback;\n return this;\n }\n\n public Builder setBgColor(String bgColor) {\n this.bgColor = bgColor;\n return this;\n }\n\n public Builder setGridScanLineColumn(int gridScanLineColumn) {\n this.gridScanLineColumn = gridScanLineColumn;\n return this;\n }\n\n public Builder setGridScanLineHeight(int gridScanLineHeight) {\n this.gridScanLineHeight = gridScanLineHeight;\n return this;\n }\n\n public Builder isShowLightController(boolean showLightController) {\n this.showLightController = showLightController;\n return this;\n }\n\n public Builder setScanHintTextColor(String scanHintTextColor) {\n this.scanHintTextColor = scanHintTextColor;\n return this;\n }\n\n public Builder setScanHintTextSize(int scanHintTextSize) {\n this.scanHintTextSize = scanHintTextSize;\n return this;\n }\n\n public Builder setFullScreenScan(boolean fullScreenScan) {\n isFullScreenScan = fullScreenScan;\n return this;\n }\n\n public Builder setSupportZoom(boolean supportZoom) {\n isSupportZoom = supportZoom;\n return this;\n }\n\n public Builder setScanFrameSizeScale(float widthScale) {\n scanFrameSizeScale = widthScale;\n return this;\n }\n\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/ui/ScanPreviewActivity.java",
"content": "package com.maning.mlkitscanner.scan.ui;\n\nimport android.Manifest;\nimport android.content.Context;\nimport android.content.Intent;\nimport android.content.pm.PackageManager;\nimport android.graphics.Bitmap;\nimport android.graphics.Color;\nimport android.os.Build;\nimport android.os.Bundle;\nimport android.util.Log;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.view.WindowManager;\nimport android.widget.RelativeLayout;\nimport android.widget.Toast;\n\nimport androidx.annotation.NonNull;\nimport androidx.appcompat.app.AppCompatActivity;\nimport androidx.camera.view.PreviewView;\n\nimport com.google.android.gms.tasks.OnFailureListener;\nimport com.google.android.gms.tasks.OnSuccessListener;\nimport com.google.mlkit.vision.barcode.common.Barcode;\nimport com.google.mlkit.vision.common.InputImage;\nimport com.maning.mlkitscanner.R;\nimport com.maning.mlkitscanner.scan.MNScanManager;\nimport com.maning.mlkitscanner.scan.callback.OnCameraAnalyserCallback;\nimport com.maning.mlkitscanner.scan.camera.CameraManager;\nimport com.maning.mlkitscanner.scan.model.MNScanConfig;\nimport com.maning.mlkitscanner.scan.utils.BeepManager;\nimport com.maning.mlkitscanner.scan.utils.ImageUtils;\nimport com.maning.mlkitscanner.scan.utils.StatusBarUtil;\nimport com.maning.mlkitscanner.scan.view.ScanActionMenuView;\nimport com.maning.mlkitscanner.scan.view.ScanResultPointView;\nimport com.maning.mlkitscanner.scan.view.ViewfinderView;\n\nimport java.lang.ref.WeakReference;\nimport java.util.ArrayList;\nimport java.util.List;\n\npublic class ScanPreviewActivity extends AppCompatActivity {\n\n //用来保存当前Activity\n private static WeakReference sActivityRef;\n private static final int REQUEST_CODE_PICK_IMAGE = 10010;\n private static final int REQUEST_CODE_PERMISSION_CAMERA = 10011;\n private static final int REQUEST_CODE_PERMISSION_STORAGE = 10012;\n private Context mContext;\n //闪光灯是否打开\n private boolean is_light_on = false;\n private MNScanConfig mScanConfig;\n\n private CameraManager cameraManager;\n private View fakeStatusBar;\n private PreviewView mPreviewView;\n private ViewfinderView viewfinderView;\n private ScanResultPointView result_point_view;\n private ScanActionMenuView action_menu_view;\n private RelativeLayout rl_act_root;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);\n setContentView(R.layout.mn_scan_activity_scan_preview);\n mContext = this;\n sActivityRef = new WeakReference<>(this);\n initConfig();\n initViews();\n initCamera();\n initStatusBar();\n initPermission();\n }\n\n\n private void initStatusBar() {\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n StatusBarUtil.setTransparentForWindow(this);\n int statusBarHeight = StatusBarUtil.getStatusBarHeight(mContext);\n ViewGroup.LayoutParams fakeStatusBarLayoutParams = fakeStatusBar.getLayoutParams();\n fakeStatusBarLayoutParams.height = statusBarHeight;\n fakeStatusBar.setLayoutParams(fakeStatusBarLayoutParams);\n //状态栏文字颜色\n if (mScanConfig.isStatusBarDarkMode()) {\n StatusBarUtil.setDarkMode(this);\n }\n //状态栏颜色\n String statusBarColor = mScanConfig.getStatusBarColor();\n fakeStatusBar.setBackgroundColor(Color.parseColor(statusBarColor));\n } else {\n ViewGroup.LayoutParams fakeStatusBarLayoutParams = fakeStatusBar.getLayoutParams();\n fakeStatusBarLayoutParams.height = 0;\n fakeStatusBar.setLayoutParams(fakeStatusBarLayoutParams);\n }\n }\n\n private void initPermission() {\n //检查相机权限\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {\n if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {\n //没有相机权限\n requestPermissions(new String[]{Manifest.permission.CAMERA}, REQUEST_CODE_PERMISSION_CAMERA);\n } else {\n startCamera();\n }\n } else {\n startCamera();\n }\n }\n\n private void initCamera() {\n cameraManager = CameraManager.getInstance(sActivityRef.get(), mPreviewView);\n cameraManager.setScanConfig(mScanConfig);\n cameraManager.setOnCameraAnalyserCallback(new OnCameraAnalyserCallback() {\n @Override\n public void onSuccess(Bitmap bitmap, List barcodes) {\n result_point_view.setDatas(barcodes, bitmap);\n result_point_view.setVisibility(View.VISIBLE);\n if (barcodes.size() == 1) {\n finishSuccess(barcodes.get(0).getDisplayValue());\n }\n }\n });\n }\n\n private void startCamera() {\n cameraManager.startCamera();\n }\n\n private void initConfig() {\n mScanConfig = (MNScanConfig) getIntent().getSerializableExtra(MNScanManager.INTENT_KEY_CONFIG_MODEL);\n if (mScanConfig == null) {\n mScanConfig = new MNScanConfig.Builder().builder();\n }\n }\n\n private void initViews() {\n rl_act_root = (RelativeLayout) findViewById(R.id.rl_act_root);\n mPreviewView = (PreviewView) findViewById(R.id.previewView);\n mPreviewView.setScaleType(PreviewView.ScaleType.FILL_CENTER);\n fakeStatusBar = (View) findViewById(R.id.fakeStatusBar);\n viewfinderView = (ViewfinderView) findViewById(R.id.viewfinderView);\n action_menu_view = (ScanActionMenuView) findViewById(R.id.action_menu_view);\n result_point_view = (ScanResultPointView) findViewById(R.id.result_point_view);\n\n action_menu_view.setOnScanActionMenuListener(new ScanActionMenuView.OnScanActionMenuListener() {\n @Override\n public void onClose() {\n finishCancle();\n }\n\n @Override\n public void onLight() {\n if (is_light_on) {\n closeLight();\n } else {\n openLight();\n }\n }\n\n @Override\n public void onPhoto() {\n getImageFromAlbum();\n }\n });\n\n result_point_view.setOnResultPointClickListener(new ScanResultPointView.OnResultPointClickListener() {\n @Override\n public void onPointClick(String result) {\n finishSuccess(result);\n }\n\n @Override\n public void onCancle() {\n cameraManager.setAnalyze(true);\n result_point_view.removeAllPoints();\n result_point_view.setVisibility(View.GONE);\n }\n });\n\n viewfinderView.setScanConfig(mScanConfig);\n result_point_view.setScanConfig(mScanConfig);\n action_menu_view.setScanConfig(mScanConfig, MNScanConfig.mCustomViewBindCallback);\n }\n\n private void openLight() {\n if (!is_light_on) {\n is_light_on = true;\n action_menu_view.openLight();\n cameraManager.openLight();\n }\n }\n\n private void closeLight() {\n if (is_light_on) {\n is_light_on = false;\n action_menu_view.closeLight();\n cameraManager.closeLight();\n }\n }\n\n /**\n * 获取相册中的图片\n */\n public void getImageFromAlbum() {\n if (checkStoragePermission()) {\n Intent intent = new Intent();\n intent.setAction(Intent.ACTION_PICK);\n intent.setType(\"image/*\");\n startActivityForResult(intent, REQUEST_CODE_PICK_IMAGE);\n }\n }\n\n private boolean checkStoragePermission() {\n //判断权限\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {\n if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {\n requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_CODE_PERMISSION_STORAGE);\n return false;\n }\n }\n return true;\n }\n\n @Override\n public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {\n switch (requestCode) {\n case REQUEST_CODE_PERMISSION_CAMERA:\n if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {\n // Permission Granted 授予权限\n //用户同意了权限申请\n startCamera();\n } else {\n // Permission Denied 权限被拒绝\n Toast.makeText(mContext, \"初始化相机失败,相机权限被拒绝\", Toast.LENGTH_SHORT).show();\n finishFailed(\"初始化相机失败,相机权限被拒绝\");\n }\n break;\n case REQUEST_CODE_PERMISSION_STORAGE:\n if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {\n //用户同意使用write\n getImageFromAlbum();\n } else {\n //缺少权限\n Toast.makeText(mContext, \"打开相册失败,读写权限被拒绝\", Toast.LENGTH_SHORT).show();\n }\n default:\n break;\n }\n super.onRequestPermissionsResult(requestCode, permissions, grantResults);\n\n }\n\n @Override\n protected void onActivityResult(int requestCode, int resultCode, Intent data) {\n super.onActivityResult(requestCode, resultCode, data);\n //去相册选择图片\n if (requestCode == REQUEST_CODE_PICK_IMAGE && resultCode == RESULT_OK) {\n if (data == null) {\n return;\n }\n Bitmap decodeAbleBitmap = ImageUtils.getBitmap(mContext, data.getData());\n if (decodeAbleBitmap == null) {\n Log.e(\"======\", \"decodeAbleBitmap == null\");\n return;\n }\n cameraManager.setAnalyze(false);\n new Thread(new Runnable() {\n @Override\n public void run() {\n //分析这个图片\n InputImage inputImage = InputImage.fromBitmap(decodeAbleBitmap, 0);\n cameraManager.getBarcodeAnalyser().getBarcodeScanner().process(inputImage)\n .addOnSuccessListener(new OnSuccessListener>() {\n @Override\n public void onSuccess(@NonNull List barcodes) {\n runOnUiThread(new Runnable() {\n @Override\n public void run() {\n Log.e(\"======\", \"barcodes.size():\" + barcodes.size());\n if (barcodes.size() == 0) {\n cameraManager.setAnalyze(true);\n Toast.makeText(mContext, \"未找到二维码或者条形码\", Toast.LENGTH_SHORT).show();\n return;\n }\n ArrayList results = new ArrayList<>();\n for (Barcode barcode : barcodes) {\n String value = barcode.getDisplayValue();\n Log.e(\"======\", \"value:\" + value);\n results.add(value);\n }\n\n finishSuccess(results);\n }\n });\n }\n })\n .addOnFailureListener(new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n Log.e(\"======\", \"onFailure---:\" + e.toString());\n }\n });\n }\n }).start();\n }\n }\n\n\n @Override\n public void onBackPressed() {\n if (result_point_view.getVisibility() == View.VISIBLE) {\n cameraManager.setAnalyze(true);\n result_point_view.removeAllPoints();\n result_point_view.setVisibility(View.GONE);\n return;\n }\n //取消扫码\n finishCancle();\n }\n\n @Override\n protected void onDestroy() {\n cameraManager.release();\n super.onDestroy();\n }\n\n private void finishCancle() {\n setResult(MNScanManager.RESULT_CANCLE, new Intent());\n finishFinal();\n }\n\n private void finishFailed(String errorMsg) {\n Intent intent = new Intent();\n intent.putExtra(MNScanManager.INTENT_KEY_RESULT_ERROR, errorMsg);\n setResult(MNScanManager.RESULT_FAIL, intent);\n finishFinal();\n }\n\n private void finishSuccess(String result) {\n ArrayList results = new ArrayList<>();\n results.add(result);\n finishSuccess(results);\n }\n\n private void finishSuccess(ArrayList results) {\n Intent intent = new Intent();\n intent.putStringArrayListExtra(MNScanManager.INTENT_KEY_RESULT_SUCCESS, results);\n setResult(MNScanManager.RESULT_SUCCESS, intent);\n finishFinal();\n }\n\n private void finishFinal() {\n closeLight();\n MNScanConfig.mCustomViewBindCallback = null;\n sActivityRef = null;\n viewfinderView.destroyView();\n cameraManager.release();\n rl_act_root.removeView(viewfinderView);\n rl_act_root.removeView(mPreviewView);\n rl_act_root.removeView(action_menu_view);\n finish();\n overridePendingTransition(0, mScanConfig.getActivityExitAnime() == 0 ? R.anim.mn_scan_activity_bottom_out : mScanConfig.getActivityExitAnime());\n }\n\n //---------对外提供方法----------\n\n /**\n * 关闭当前Activity\n */\n public static void closeScanPage() {\n if (sActivityRef != null && sActivityRef.get() != null) {\n sActivityRef.get().finishCancle();\n }\n }\n\n /**\n * 打开相册扫描图片\n */\n public static void openAlbumPage() {\n if (sActivityRef != null && sActivityRef.get() != null) {\n sActivityRef.get().getImageFromAlbum();\n }\n }\n\n /**\n * 打开手电筒\n */\n public static void openScanLight() {\n if (sActivityRef != null && sActivityRef.get() != null) {\n sActivityRef.get().openLight();\n }\n }\n\n /**\n * 关闭手电筒\n */\n public static void closeScanLight() {\n if (sActivityRef != null && sActivityRef.get() != null) {\n sActivityRef.get().closeLight();\n }\n }\n\n /**\n * 是否开启手电筒\n */\n public static boolean isLightOn() {\n if (sActivityRef != null && sActivityRef.get() != null) {\n return sActivityRef.get().is_light_on;\n }\n return false;\n }\n}"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/AmbientLightManager.java",
"content": "/*\n * Copyright (C) Jenly, MLKit Open Source Project\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\npackage com.maning.mlkitscanner.scan.utils;\n\nimport android.content.Context;\nimport android.hardware.Sensor;\nimport android.hardware.SensorEvent;\nimport android.hardware.SensorEventListener;\nimport android.hardware.SensorManager;\n\n/**\n * @author Jenly\n */\npublic class AmbientLightManager implements SensorEventListener {\n\n private static final int INTERVAL_TIME = 200;\n\n protected static final float DARK_LUX = 45.0f;\n protected static final float BRIGHT_LUX = 100.0f;\n\n /**\n * 光线太暗时，默认：照度45 lux\n */\n private float darkLightLux = DARK_LUX;\n /**\n * 光线足够亮时，默认：照度100 lux\n */\n private float brightLightLux = BRIGHT_LUX;\n\n private SensorManager sensorManager;\n private Sensor lightSensor;\n\n private long lastTime;\n\n private boolean isLightSensorEnabled;\n\n private OnLightSensorEventListener mOnLightSensorEventListener;\n\n public AmbientLightManager(Context context) {\n sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);\n lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);\n isLightSensorEnabled = true;\n }\n\n public void register() {\n if (sensorManager != null && lightSensor != null) {\n sensorManager.registerListener(this, lightSensor, SensorManager.SENSOR_DELAY_NORMAL);\n }\n }\n\n public void unregister() {\n if (sensorManager != null && lightSensor != null) {\n sensorManager.unregisterListener(this);\n }\n }\n\n\n @Override\n public void onSensorChanged(SensorEvent sensorEvent) {\n if(isLightSensorEnabled){\n long currentTime = System.currentTimeMillis();\n if(currentTime - lastTime < INTERVAL_TIME){//降低频率\n return;\n }\n lastTime = currentTime;\n\n if (mOnLightSensorEventListener != null) {\n float lightLux = sensorEvent.values[0];\n mOnLightSensorEventListener.onSensorChanged(lightLux);\n if (lightLux <= darkLightLux) {\n mOnLightSensorEventListener.onSensorChanged(true,lightLux);\n } else if (lightLux >= brightLightLux) {\n mOnLightSensorEventListener.onSensorChanged(false,lightLux);\n }\n }\n }\n }\n\n /**\n * 设置光线足够暗的阈值（单位：lux）\n * @param lightLux\n */\n public void setDarkLightLux(float lightLux){\n this.darkLightLux = lightLux;\n }\n\n /**\n * 设置光线足够明亮的阈值（单位：lux）\n * @param lightLux\n */\n public void setBrightLightLux(float lightLux){\n this.brightLightLux = lightLux;\n }\n\n @Override\n public void onAccuracyChanged(Sensor sensor, int accuracy) {\n // do nothing\n }\n\n public boolean isLightSensorEnabled() {\n return isLightSensorEnabled;\n }\n\n /**\n * 设置是否启用光线亮度传感器\n * @param lightSensorEnabled\n */\n public void setLightSensorEnabled(boolean lightSensorEnabled) {\n isLightSensorEnabled = lightSensorEnabled;\n }\n\n /**\n * 设置光线亮度传感器监听器，只有在 {@link #isLightSensorEnabled} 为{@code true} 才有效\n * @param listener\n */\n public void setOnLightSensorEventListener(OnLightSensorEventListener listener){\n mOnLightSensorEventListener = listener;\n }\n\n public interface OnLightSensorEventListener{\n /**\n *\n * @param lightLux 当前检测到的光线照度值\n */\n default void onSensorChanged(float lightLux){\n\n }\n\n /**\n * 传感器改变事件\n * @param dark 是否太暗了，当检测到的光线照度值小于{@link #darkLightLux}时，为{@code true}\n * @param lightLux 当前检测到的光线照度值\n */\n void onSensorChanged(boolean dark, float lightLux);\n }\n}"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/BeepManager.java",
"content": "/*\n * Copyright (C) Jenly, MLKit Open Source Project\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\npackage com.maning.mlkitscanner.scan.utils;\n\nimport android.content.Context;\nimport android.content.res.AssetFileDescriptor;\nimport android.media.AudioManager;\nimport android.media.MediaPlayer;\nimport android.os.Vibrator;\n\n\nimport com.maning.mlkitscanner.R;\n\nimport java.io.Closeable;\n\n/**\n * @author Jenly\n */\npublic final class BeepManager implements MediaPlayer.OnErrorListener, Closeable {\n\n private static final long VIBRATE_DURATION = 200L;\n\n private final Context context;\n private MediaPlayer mediaPlayer;\n private Vibrator vibrator;\n private boolean playBeep;\n private boolean vibrate;\n\n public BeepManager(Context context) {\n this.context = context;\n this.mediaPlayer = null;\n updatePrefs();\n }\n\n public void setVibrate(boolean vibrate){\n this.vibrate = vibrate;\n }\n\n public void setPlayBeep(boolean playBeep){\n this.playBeep = playBeep;\n }\n\n private synchronized void updatePrefs() {\n if (mediaPlayer == null) {\n mediaPlayer = buildMediaPlayer(context);\n }\n if(vibrator == null){\n vibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);\n }\n }\n\n public synchronized void playBeepSoundAndVibrate() {\n if (playBeep && mediaPlayer != null) {\n mediaPlayer.start();\n }\n if (vibrate) {\n vibrator.vibrate(VIBRATE_DURATION);\n }\n }\n\n private MediaPlayer buildMediaPlayer(Context context) {\n MediaPlayer mediaPlayer = new MediaPlayer();\n try {\n AssetFileDescriptor file = context.getResources().openRawResourceFd(R.raw.mn_scan_beep);\n mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());\n mediaPlayer.setOnErrorListener(this);\n mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);\n mediaPlayer.setLooping(false);\n mediaPlayer.prepare();\n return mediaPlayer;\n } catch (Exception e) {\n mediaPlayer.release();\n return null;\n }\n }\n\n @Override\n public synchronized boolean onError(MediaPlayer mp, int what, int extra) {\n close();\n updatePrefs();\n return true;\n }\n\n @Override\n public synchronized void close() {\n try{\n if (mediaPlayer != null) {\n mediaPlayer.release();\n mediaPlayer = null;\n }\n }catch (Exception e){\n }\n }\n\n}"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/CommonUtils.java",
"content": "package com.maning.mlkitscanner.scan.utils;\n\nimport android.content.Context;\nimport android.graphics.Paint;\nimport android.graphics.Rect;\nimport android.util.DisplayMetrics;\nimport android.view.WindowManager;\n\n/**\n * Created by maning on 2017/11/9.\n */\n\npublic class CommonUtils {\n /**\n * 根据手机分辨率从DP转成PX\n *\n * @param context\n * @param dpValue\n * @return\n */\n public static int dip2px(Context context, float dpValue) {\n float scale = context.getResources().getDisplayMetrics().density;\n return (int) (dpValue * scale + 0.5f);\n }\n\n /**\n * 将sp值转换为px值，保证文字大小不变\n *\n * @param spValue\n * @return\n */\n public static int sp2px(Context context, float spValue) {\n final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;\n return (int) (spValue * fontScale + 0.5f);\n }\n\n /**\n * 根据手机的分辨率PX(像素)转成DP\n *\n * @param context\n * @param pxValue\n * @return\n */\n public static int px2dip(Context context, float pxValue) {\n float scale = context.getResources().getDisplayMetrics().density;\n return (int) (pxValue / scale + 0.5f);\n }\n\n /**\n * 将px值转换为sp值，保证文字大小不变\n *\n * @param pxValue\n * @return\n */\n\n public static int px2sp(Context context, float pxValue) {\n final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;\n return (int) (pxValue / fontScale + 0.5f);\n }\n\n public static int getScreenWidth(Context context) {\n try {\n final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);\n final DisplayMetrics outMetrics = new DisplayMetrics();\n wm.getDefaultDisplay().getMetrics(outMetrics);\n return outMetrics.widthPixels;\n } catch (Exception e) {\n e.printStackTrace();\n }\n\n return 0;\n }\n\n public static int getTextWidth(String text, Paint paint){\n Rect rect = new Rect();\n paint.getTextBounds(text, 0, text.length(), rect);\n return rect.width();\n }\n\n public static int getTextHeight(String text, Paint paint){\n Rect rect = new Rect();\n paint.getTextBounds(text, 0, text.length(), rect);\n return rect.height();\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/ImageUtils.java",
"content": "/*\n * Copyright (C) Jenly, MLKit Open Source Project\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\npackage com.maning.mlkitscanner.scan.utils;\n\nimport android.content.Context;\nimport android.graphics.Bitmap;\nimport android.graphics.BitmapFactory;\nimport android.graphics.ImageFormat;\nimport android.graphics.Matrix;\nimport android.graphics.Rect;\nimport android.graphics.YuvImage;\nimport android.net.Uri;\nimport android.util.DisplayMetrics;\n\nimport androidx.camera.core.ImageProxy;\n\nimport java.io.ByteArrayOutputStream;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.nio.ByteBuffer;\n\n/**\n * @author Jenly\n */\npublic class ImageUtils {\n\n private ImageUtils(){\n throw new AssertionError();\n }\n\n public static Bitmap imageProxyToBitmap(ImageProxy imageProxy) throws Exception {\n return imageProxyToBitmap(imageProxy,0);\n }\n\n public static Bitmap imageProxyToBitmap(ImageProxy imageProxy, int rotationDegrees) throws Exception {\n ImageProxy.PlaneProxy[] plane = imageProxy.getPlanes();\n ByteBuffer yBuffer = plane[0].getBuffer(); // Y\n ByteBuffer uBuffer = plane[1].getBuffer(); // U\n ByteBuffer vBuffer = plane[2].getBuffer(); // V\n\n int ySize = yBuffer.remaining();\n int uSize = uBuffer.remaining();\n int vSize = vBuffer.remaining();\n\n byte[] nv21 = new byte[ySize + uSize + vSize];\n\n //U and V are swapped\n yBuffer.get(nv21, 0, ySize);\n vBuffer.get(nv21, ySize, vSize);\n uBuffer.get(nv21, ySize + vSize, uSize);\n\n YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, imageProxy.getWidth(), imageProxy.getHeight(), null);\n ByteArrayOutputStream stream = new ByteArrayOutputStream(nv21.length);\n yuvImage.compressToJpeg(new Rect(0, 0, yuvImage.getWidth(), yuvImage.getHeight()), 90, stream);\n\n Bitmap bitmap = BitmapFactory.decodeByteArray(stream.toByteArray(), 0, stream.size());\n if(rotationDegrees != 0){\n Matrix matrix = new Matrix();\n matrix.postRotate(rotationDegrees);\n bitmap = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth(),bitmap.getHeight(), matrix, true);\n }\n\n return bitmap;\n }\n\n public static Bitmap getBitmap(Context context,Uri uri){\n InputStream Stream = null;\n InputStream inputStream = null;\n try {\n //根据uri获取图片的流\n inputStream = context.getContentResolver().openInputStream(uri);\n BitmapFactory.Options options = new BitmapFactory.Options();\n //options的in系列的设置了，injustdecodebouond只解析图片的大小，而不加载到内存中去\n options.inJustDecodeBounds = true;\n //1.如果通过options.outHeight获取图片的宽高，就必须通过decodestream解析同options赋值\n //否则options.outheight获取不到宽高\n BitmapFactory.decodeStream(inputStream,null,options);\n //2.通过 btm.getHeight()获取图片的宽高就不需要1的解析，我这里采取第一张方式\n// Bitmap btm = BitmapFactory.decodeStream(inputStream);\n //以屏幕的宽高进行压缩\n DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();\n int heightPixels = displayMetrics.heightPixels;\n int widthPixels = displayMetrics.widthPixels;\n //获取图片的宽高\n int outHeight = options.outHeight;\n int outWidth = options.outWidth;\n //heightPixels就是要压缩后的图片高度，宽度也一样\n int a = (int) Math.ceil((outHeight/(float)heightPixels));\n int b = (int) Math.ceil(outWidth/(float)widthPixels);\n //比例计算,一般是图片比较大的情况下进行压缩\n int max = Math.max(a, b);\n if(max > 1){\n options.inSampleSize = max;\n }\n //解析到内存中去\n options.inJustDecodeBounds = false;\n// 根据uri重新获取流，inputstream在解析中发生改变了\n Stream = context.getContentResolver().openInputStream(uri);\n Bitmap bitmap = BitmapFactory.decodeStream(Stream, null, options);\n return bitmap;\n } catch (Exception e) {\n e.printStackTrace();\n }finally {\n try {\n if(inputStream != null) {\n inputStream.close();\n }\n if(Stream != null){\n Stream.close();\n }\n } catch (IOException e) {\n e.printStackTrace();\n }\n\n }\n return null;\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/StatusBarUtil.java",
"content": "package com.maning.mlkitscanner.scan.utils;\n\nimport android.annotation.TargetApi;\nimport android.app.Activity;\nimport android.content.Context;\nimport android.graphics.Color;\nimport android.os.Build;\nimport android.util.Log;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.view.Window;\nimport android.view.WindowManager;\n\nimport java.lang.ref.WeakReference;\nimport java.lang.reflect.Field;\nimport java.lang.reflect.Method;\nimport java.util.regex.Pattern;\n\n/**\n * @author：created by leaf on 2019-05-07\n * Github地址：https://github.com/Ye-Miao\n * Desc: 状态栏工具类\n */\npublic class StatusBarUtil {\n\n private static final int DEFAULT_ALPHA = 0;\n\n /**\n * 设置状态栏颜色（自定义颜色)\n *\n * @param activity 目标activity\n * @param color 状态栏颜色值\n */\n public static void setColor(Activity activity, int color) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n setColor(activityWeakReference.get(), color, DEFAULT_ALPHA);\n }\n\n /**\n * 设置纯色状态栏（自定义颜色，alpha）\n *\n * @param activity 目标activity\n * @param color 状态栏颜色值\n * @param alpha 状态栏透明度\n */\n public static void setColor(Activity activity, int color, int alpha) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n Window window = activityWeakReference.get().getWindow();\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {\n window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);\n window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);\n window.setStatusBarColor(cipherColor(color, alpha));\n } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);\n setTranslucentView((ViewGroup) window.getDecorView(), color, alpha);\n setRootView(activityWeakReference.get(), true);\n }\n }\n\n /**\n * 设置状态栏渐变颜色\n *\n * @param activity 目标activity\n * @param view 目标View\n */\n public static void setGradientColor(Activity activity, View view) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n ViewGroup decorView = (ViewGroup) activityWeakReference.get().getWindow().getDecorView();\n View fakeStatusBarView = decorView.findViewById(android.R.id.custom);\n if (fakeStatusBarView != null) {\n decorView.removeView(fakeStatusBarView);\n }\n setRootView(activityWeakReference.get(), false);\n setTransparentForWindow(activityWeakReference.get());\n setPaddingTop(activityWeakReference.get(), view);\n }\n\n /**\n * 设置透明状态栏\n *\n * @param activity 目标界面\n */\n public static void setTransparentForWindow(Activity activity) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n Window window = activityWeakReference.get().getWindow();\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {\n window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);\n window.setStatusBarColor(Color.TRANSPARENT);\n window.getDecorView()\n .setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);\n } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);\n }\n }\n\n /**\n * 增加View的paddingTop,增加的值为状态栏高度 (智能判断，并设置高度)\n *\n * @param context 目标Context\n * @param view 需要增高的View\n */\n public static void setPaddingTop(Context context, View view) {\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n ViewGroup.LayoutParams lp = view.getLayoutParams();\n if (lp != null && lp.height > 0 && view.getPaddingTop() == 0) {\n lp.height += getStatusBarHeight(context);\n view.setPadding(view.getPaddingLeft(), view.getPaddingTop() + getStatusBarHeight(context),\n view.getPaddingRight(), view.getPaddingBottom());\n }\n }\n }\n\n\n /**\n * 设置状态栏darkMode,字体颜色及icon变黑(目前支持MIUI6以上,Flyme4以上,Android M以上)\n *\n * @param activity 目标activity\n */\n public static void setDarkMode(Activity activity) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n darkMode(activityWeakReference.get().getWindow(), true);\n }\n\n /**\n * 设置状态栏darkMode,字体颜色及icon变亮(目前支持MIUI6以上,Flyme4以上,Android M以上)\n *\n * @param activity 目标activity\n */\n public static void setLightMode(Activity activity) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n darkMode(activityWeakReference.get().getWindow(), false);\n }\n\n @TargetApi(Build.VERSION_CODES.M)\n private static void darkMode(Window window, boolean dark) {\n if (isFlyme4()) {\n setModeForFlyme4(window, dark);\n } else if (isMIUI6()) {\n setModeForMIUI6(window, dark);\n }\n darkModeForM(window, dark);\n }\n\n\n /**\n * android 6.0设置字体颜色\n *\n * @param window 目标window\n * @param dark 亮色 or 暗色\n */\n private static void darkModeForM(Window window, boolean dark) {\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {\n int systemUiVisibility = window.getDecorView().getSystemUiVisibility();\n if (dark) {\n systemUiVisibility |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;\n } else {\n systemUiVisibility &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;\n }\n window.getDecorView().setSystemUiVisibility(systemUiVisibility);\n }\n }\n\n\n /**\n * 设置MIUI6+的状态栏的darkMode,darkMode时候字体颜色及icon\n * http://dev.xiaomi.com/doc/p=4769/\n *\n * @param window 目标window\n * @param dark 亮色 or 暗色\n */\n private static void setModeForMIUI6(Window window, boolean dark) {\n Class clazz = window.getClass();\n try {\n Class layoutParams = Class.forName(\"android.view.MiuiWindowManager$LayoutParams\");\n Field field = layoutParams.getField(\"EXTRA_FLAG_STATUS_BAR_DARK_MODE\");\n int darkModeFlag = field.getInt(layoutParams);\n Method extraFlagField = clazz.getMethod(\"setExtraFlags\", int.class, int.class);\n extraFlagField.invoke(window, dark ? darkModeFlag : 0, darkModeFlag);\n } catch (Exception e) {\n Log.e(\"StatusBar\", \"darkIcon: failed\");\n }\n\n }\n\n /**\n * 设置Flyme4+的状态栏的darkMode,darkMode时候字体颜色及icon\n * http://open-wiki.flyme.cn/index.php?title=Flyme%E7%B3%BB%E7%BB%9FAPI\n *\n * @param window 目标window\n * @param dark 亮色 or 暗色\n */\n private static void setModeForFlyme4(Window window, boolean dark) {\n try {\n WindowManager.LayoutParams lp = window.getAttributes();\n Field darkFlag = WindowManager.LayoutParams.class.getDeclaredField(\"MEIZU_FLAG_DARK_STATUS_BAR_ICON\");\n Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField(\"meizuFlags\");\n darkFlag.setAccessible(true);\n meizuFlags.setAccessible(true);\n int bit = darkFlag.getInt(null);\n int value = meizuFlags.getInt(lp);\n if (dark) {\n value |= bit;\n } else {\n value &= ~bit;\n }\n meizuFlags.setInt(lp, value);\n window.setAttributes(lp);\n } catch (Exception e) {\n Log.e(\"StatusBar\", \"darkIcon: failed\");\n }\n }\n\n\n /**\n * 判断是否Flyme4以上\n */\n private static boolean isFlyme4() {\n return Build.FINGERPRINT.contains(\"Flyme_OS_4\") || Build.VERSION.INCREMENTAL.contains(\"Flyme_OS_4\")\n || Pattern.compile(\"Flyme OS [4|5]\", Pattern.CASE_INSENSITIVE).matcher(Build.DISPLAY).find();\n }\n\n /**\n * 判断是否MIUI6以上\n */\n private static boolean isMIUI6() {\n try {\n Class clz = Class.forName(\"android.os.SystemProperties\");\n Method mtd = clz.getMethod(\"get\", String.class);\n String val = (String) mtd.invoke(null, \"ro.miui.ui.version.name\");\n val = val.replaceAll(\"[vV]\", \"\");\n int version = Integer.parseInt(val);\n return version >= 6;\n } catch (Exception e) {\n return false;\n }\n }\n\n /**\n * 计算alpha色值\n *\n * @param color 状态栏颜色值\n * @param alpha 状态栏透明度\n */\n private static int cipherColor(int color, int alpha) {\n if (alpha == 0) {\n return color;\n }\n float a = 1 - alpha / 255f;\n int red = color >> 16 & 0xff;\n int green = color >> 8 & 0xff;\n int blue = color & 0xff;\n red = (int) (red * a + 0.5);\n green = (int) (green * a + 0.5);\n blue = (int) (blue * a + 0.5);\n return 0xff << 24 | red << 16 | green << 8 | blue;\n }\n\n\n /**\n * 创建透明View\n *\n * @param viewGroup 目标视图\n * @param color 状态栏颜色值\n * @param alpha 状态栏透明度\n */\n private static void setTranslucentView(ViewGroup viewGroup, int color, int alpha) {\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n int cipherColor = cipherColor(color, alpha);\n View translucentView = viewGroup.findViewById(android.R.id.custom);\n if (translucentView == null && cipherColor != 0) {\n translucentView = new View(viewGroup.getContext());\n translucentView.setId(android.R.id.custom);\n ViewGroup.LayoutParams params =\n new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(viewGroup.getContext()));\n viewGroup.addView(translucentView, params);\n }\n if (translucentView != null) {\n translucentView.setBackgroundColor(cipherColor);\n }\n }\n\n }\n\n /**\n * 设置根布局参数\n *\n * @param activity 目标activity\n * @param fitSystemWindows 是否预留toolbar的高度\n */\n private static void setRootView(Activity activity, boolean fitSystemWindows) {\n WeakReference activityWeakReference = new WeakReference<>(activity);\n ViewGroup parent = activityWeakReference.get().findViewById(android.R.id.content);\n for (int i = 0, count = parent.getChildCount(); i < count; i++) {\n View childView = parent.getChildAt(i);\n if (childView instanceof ViewGroup) {\n childView.setFitsSystemWindows(fitSystemWindows);\n ((ViewGroup) childView).setClipToPadding(fitSystemWindows);\n }\n }\n }\n\n /**\n * 获取状态栏高度\n *\n * @param context 目标Context\n */\n public static int getStatusBarHeight(Context context) {\n // 获得状态栏高度\n int resourceId = context.getResources().getIdentifier(\"status_bar_height\", \"dimen\", \"android\");\n return context.getResources().getDimensionPixelSize(resourceId);\n }\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/utils/ZXingUtils.java",
"content": "package com.maning.mlkitscanner.scan.utils;\n\nimport android.graphics.Bitmap;\nimport android.graphics.BitmapFactory;\nimport android.graphics.Color;\nimport android.graphics.Matrix;\nimport android.text.TextUtils;\n\nimport com.google.zxing.BarcodeFormat;\nimport com.google.zxing.BinaryBitmap;\nimport com.google.zxing.DecodeHintType;\nimport com.google.zxing.EncodeHintType;\nimport com.google.zxing.MultiFormatReader;\nimport com.google.zxing.Result;\nimport com.google.zxing.WriterException;\nimport com.google.zxing.common.BitMatrix;\nimport com.google.zxing.common.HybridBinarizer;\nimport com.google.zxing.qrcode.QRCodeWriter;\nimport com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;\n\nimport java.io.UnsupportedEncodingException;\nimport java.nio.charset.Charset;\nimport java.util.ArrayList;\nimport java.util.EnumMap;\nimport java.util.Hashtable;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * Created by maning on 2017/11/10.\n */\n\npublic class ZXingUtils {\n\n public static final Map HINTS = new EnumMap<>(DecodeHintType.class);\n\n static {\n List allFormats = new ArrayList<>();\n allFormats.add(BarcodeFormat.AZTEC);\n allFormats.add(BarcodeFormat.CODABAR);\n allFormats.add(BarcodeFormat.CODE_39);\n allFormats.add(BarcodeFormat.CODE_93);\n allFormats.add(BarcodeFormat.CODE_128);\n allFormats.add(BarcodeFormat.DATA_MATRIX);\n allFormats.add(BarcodeFormat.EAN_8);\n allFormats.add(BarcodeFormat.EAN_13);\n allFormats.add(BarcodeFormat.ITF);\n allFormats.add(BarcodeFormat.MAXICODE);\n allFormats.add(BarcodeFormat.PDF_417);\n allFormats.add(BarcodeFormat.QR_CODE);\n allFormats.add(BarcodeFormat.RSS_14);\n allFormats.add(BarcodeFormat.RSS_EXPANDED);\n allFormats.add(BarcodeFormat.UPC_A);\n allFormats.add(BarcodeFormat.UPC_E);\n allFormats.add(BarcodeFormat.UPC_EAN_EXTENSION);\n\n HINTS.put(DecodeHintType.POSSIBLE_FORMATS, allFormats);\n HINTS.put(DecodeHintType.CHARACTER_SET, \"utf-8\");\n }\n\n public static Bitmap createQRCodeImage(String content) {\n return createQRCodeImage(content, 500, 0, Color.BLACK, Color.WHITE, null, null, null);\n }\n\n public static Bitmap createQRCodeImage(String content, int size) {\n return createQRCodeImage(content, size, 0, Color.BLACK, Color.WHITE, null, null, null);\n }\n\n public static Bitmap createQRCodeImage(String content, int size, int margin) {\n return createQRCodeImage(content, size, margin, Color.BLACK, Color.WHITE, null, null, null);\n }\n\n public static Bitmap createQRCodeImage(String text, Bitmap logo_bitmap) {\n return createQRCodeImage(text, 500, 0, Color.BLACK, Color.WHITE, null, logo_bitmap, null);\n }\n\n public static Bitmap createQRCodeImage(String text, int size, Bitmap logo_bitmap) {\n return createQRCodeImage(text, size, 0, Color.BLACK, Color.WHITE, null, logo_bitmap, null);\n }\n\n\n public static Bitmap createQRCodeImage(String text, int size, int margin, Bitmap logo_bitmap) {\n return createQRCodeImage(text, size, margin, Color.BLACK, Color.WHITE, null, logo_bitmap, null);\n }\n\n /**\n * 生成带logo的二维码，logo默认为二维码的1/5\n *\n * @param text 需要生成二维码的内容\n * @param size 需要生成二维码的大小\n * @param margin 二维码边距\n * @param foreground_color 二维码前景色\n * @param background_color 二维码背景颜色\n * @param error_correction_level 容错率 L：7% M：15% Q：25% H：35%\n * @param logo_bitmap logo文件\n * @return bitmap\n */\n public static Bitmap createQRCodeImage(String text, int size, int margin, int foreground_color, int background_color, String error_correction_level, Bitmap logo_bitmap) {\n return createQRCodeImage(text, size, margin, foreground_color, background_color, error_correction_level, logo_bitmap, null);\n }\n\n /**\n * 生成带logo的二维码，logo默认为二维码的1/5\n *\n * @param text 需要生成二维码的内容\n * @param size 需要生成二维码的大小\n * @param margin 二维码边距\n * @param foreground_color 二维码前景色\n * @param background_color 二维码背景颜色\n * @param error_correction_level 容错率 L：7% M：15% Q：25% H：35%\n * @param logo_bitmap logo文件\n * @param logo_bitmap 二维码前景图片，不建议使用（可能太花识别率会降低）\n * @return bitmap\n */\n public static Bitmap createQRCodeImage(String text, int size, int margin, int foreground_color, int background_color, String error_correction_level, Bitmap logo_bitmap, Bitmap foreground_bitmap) {\n try {\n int IMAGE_HALFWIDTH = size / 10;\n Hashtable hints = new Hashtable<>();\n hints.put(EncodeHintType.CHARACTER_SET, \"UTF-8\");\n hints.put(EncodeHintType.MARGIN, Math.max(margin, 0));\n /*\n * 设置容错级别，默认为ErrorCorrectionLevel.L\n * 因为中间加入logo所以建议你把容错级别调至H,否则可能会出现识别不了\n */\n if (TextUtils.isEmpty(error_correction_level)) {\n if (logo_bitmap != null) {\n hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);\n } else {\n hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);\n }\n } else {\n hints.put(EncodeHintType.ERROR_CORRECTION, error_correction_level);\n }\n\n\n BitMatrix bitMatrix = new QRCodeWriter().encode(text,\n BarcodeFormat.QR_CODE, size, size, hints);\n\n int width = bitMatrix.getWidth();\n int height = bitMatrix.getHeight();\n int halfW = width / 2;\n int halfH = height / 2;\n\n if (logo_bitmap != null) {\n Matrix m = new Matrix();\n float sx = (float) 2 * IMAGE_HALFWIDTH / logo_bitmap.getWidth();\n float sy = (float) 2 * IMAGE_HALFWIDTH / logo_bitmap.getHeight();\n m.setScale(sx, sy);\n //设置缩放信息\n //将logo图片按martix设置的信息缩放\n logo_bitmap = Bitmap.createBitmap(logo_bitmap, 0, 0,\n logo_bitmap.getWidth(), logo_bitmap.getHeight(), m, false);\n }\n if (foreground_bitmap != null) {\n //从当前位图按一定的比例创建一个新的位图\n foreground_bitmap = Bitmap.createScaledBitmap(foreground_bitmap, width, height, false);\n }\n\n int[] pixels = new int[size * size];\n for (int y = 0; y < size; y++) {\n for (int x = 0; x < size; x++) {\n if (logo_bitmap != null) {\n if (x > halfW - IMAGE_HALFWIDTH && x < halfW + IMAGE_HALFWIDTH\n && y > halfH - IMAGE_HALFWIDTH\n && y < halfH + IMAGE_HALFWIDTH) {\n //该位置用于存放图片信息\n //记录图片每个像素信息\n pixels[y * width + x] = logo_bitmap.getPixel(x - halfW\n + IMAGE_HALFWIDTH, y - halfH + IMAGE_HALFWIDTH);\n } else {\n if (bitMatrix.get(x, y)) {\n if (foreground_bitmap != null) {\n pixels[y * width + x] = foreground_bitmap.getPixel(x, y);\n } else {\n pixels[y * width + x] = foreground_color;\n }\n } else {\n pixels[y * size + x] = background_color;\n }\n }\n } else {\n if (bitMatrix.get(x, y)) {\n if (foreground_bitmap != null) {\n pixels[y * width + x] = foreground_bitmap.getPixel(x, y);\n } else {\n pixels[y * width + x] = foreground_color;\n }\n } else {\n pixels[y * size + x] = background_color;\n }\n }\n\n }\n }\n Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);\n bitmap.setPixels(pixels, 0, size, 0, 0, size, size);\n return bitmap;\n } catch (WriterException e) {\n e.printStackTrace();\n return null;\n }\n }\n\n\n //------解析图片-----\n\n /**\n * 同步解析本地图片二维码。该方法是耗时操作，请在子线程中调用。\n *\n * @param picturePath 要解析的二维码图片本地路径\n * @return 返回二维码图片里的内容 或 null\n */\n public static String syncDecodeQRCode(String picturePath) {\n return syncDecodeQRCode(getDecodeAbleBitmap(picturePath));\n }\n\n /**\n * 同步解析bitmap二维码。该方法是耗时操作，请在子线程中调用。\n *\n * @param bitmap 要解析的二维码图片\n * @return 返回二维码图片里的内容 或 null\n */\n public static String syncDecodeQRCode(Bitmap bitmap) {\n try {\n int width = bitmap.getWidth();\n int height = bitmap.getHeight();\n int[] pixels = new int[width * height];\n bitmap.getPixels(pixels, 0, width, 0, 0, width, height);\n com.google.zxing.RGBLuminanceSource source = new com.google.zxing.RGBLuminanceSource(width, height, pixels);\n Result result = new MultiFormatReader().decode(new BinaryBitmap(new HybridBinarizer(source)), HINTS);\n if (result != null) {\n return recode(result.getText());\n } else {\n return null;\n }\n } catch (Exception e) {\n return null;\n }\n }\n\n /**\n * 将本地图片文件转换成可解码二维码的 Bitmap\n *\n * @param picturePath 本地图片文件路径\n * @return\n */\n private static Bitmap getDecodeAbleBitmap(String picturePath) {\n try {\n BitmapFactory.Options options = new BitmapFactory.Options();\n options.inJustDecodeBounds = true;\n BitmapFactory.decodeFile(picturePath, options);\n int sampleSize = options.outHeight / 400;\n if (sampleSize <= 0) {\n sampleSize = 1;\n }\n options.inSampleSize = sampleSize;\n options.inJustDecodeBounds = false;\n\n return BitmapFactory.decodeFile(picturePath, options);\n } catch (Exception e) {\n e.printStackTrace();\n return null;\n }\n }\n\n /**\n * 中文乱码\n *\n * @return\n */\n public static String recode(String str) {\n String formart = \"\";\n try {\n boolean ISO = Charset.forName(\"ISO-8859-1\").newEncoder()\n .canEncode(str);\n if (ISO) {\n formart = new String(str.getBytes(\"ISO-8859-1\"), \"GB2312\");\n } else {\n formart = str;\n }\n } catch (UnsupportedEncodingException e) {\n e.printStackTrace();\n }\n return formart;\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/view/ScanActionMenuView.java",
"content": "package com.maning.mlkitscanner.scan.view;\n\nimport android.content.Context;\nimport android.util.AttributeSet;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.widget.FrameLayout;\nimport android.widget.ImageView;\nimport android.widget.LinearLayout;\nimport android.widget.RelativeLayout;\nimport android.widget.TextView;\n\nimport com.maning.mlkitscanner.R;\nimport com.maning.mlkitscanner.scan.callback.MNCustomViewBindCallback;\nimport com.maning.mlkitscanner.scan.model.MNScanConfig;\n\n\n/**\n * @author : maning\n * @date : 2020-09-04\n * @desc :\n */\npublic class ScanActionMenuView extends FrameLayout {\n\n private LinearLayout btn_scan_light;\n private ImageView iv_scan_light;\n private TextView tv_scan_light;\n private LinearLayout btn_close;\n private LinearLayout btn_photo;\n\n private RelativeLayout rl_default_menu;\n private LinearLayout ll_custom_view;\n\n private OnScanActionMenuListener onScanActionMenuListener;\n\n public interface OnScanActionMenuListener {\n void onClose();\n\n void onLight();\n\n void onPhoto();\n }\n\n public void setOnScanActionMenuListener(OnScanActionMenuListener onScanActionMenuListener) {\n this.onScanActionMenuListener = onScanActionMenuListener;\n }\n\n\n public ScanActionMenuView(Context context) {\n this(context, null);\n }\n\n public ScanActionMenuView(Context context, AttributeSet attrs) {\n this(context, attrs, 0);\n }\n\n public ScanActionMenuView(Context context, AttributeSet attrs, int defStyleAttr) {\n super(context, attrs, defStyleAttr);\n initView();\n }\n\n private void initView() {\n //绑定\n LayoutInflater.from(getContext()).inflate(R.layout.mn_scan_action_menu, this);\n\n btn_scan_light = (LinearLayout) findViewById(R.id.btn_scan_light);\n iv_scan_light = (ImageView) findViewById(R.id.iv_scan_light);\n tv_scan_light = (TextView) findViewById(R.id.tv_scan_light);\n btn_close = (LinearLayout) findViewById(R.id.btn_close);\n btn_photo = (LinearLayout) findViewById(R.id.btn_photo);\n rl_default_menu = (RelativeLayout) findViewById(R.id.rl_default_menu);\n ll_custom_view = (LinearLayout) findViewById(R.id.ll_custom_view);\n\n rl_default_menu.setVisibility(View.GONE);\n ll_custom_view.setVisibility(View.GONE);\n\n //点击事件\n btn_scan_light.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n if (onScanActionMenuListener != null) {\n onScanActionMenuListener.onLight();\n }\n }\n });\n\n btn_close.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n if (onScanActionMenuListener != null) {\n onScanActionMenuListener.onClose();\n }\n }\n });\n btn_photo.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n if (onScanActionMenuListener != null) {\n onScanActionMenuListener.onPhoto();\n }\n }\n });\n\n }\n\n private MNScanConfig scanConfig;\n\n public void setScanConfig(MNScanConfig config, MNCustomViewBindCallback customViewBindCallback) {\n this.scanConfig = config;\n\n //自定义View\n int customShadeViewLayoutID = scanConfig.getCustomShadeViewLayoutID();\n if (customShadeViewLayoutID > 0 && customViewBindCallback != null) {\n //显示出来\n ll_custom_view.setVisibility(View.VISIBLE);\n View customView = LayoutInflater.from(getContext()).inflate(customShadeViewLayoutID, null);\n ll_custom_view.addView(customView);\n //事件绑定\n customViewBindCallback.onBindView(customView);\n } else {\n rl_default_menu.setVisibility(View.VISIBLE);\n }\n\n //闪光灯配置\n boolean showLightController = scanConfig.isShowLightController();\n if (showLightController) {\n btn_scan_light.setVisibility(View.VISIBLE);\n } else {\n btn_scan_light.setVisibility(View.GONE);\n }\n //其他配置\n if (!scanConfig.isShowPhotoAlbum()) {\n btn_photo.setVisibility(View.GONE);\n }\n }\n\n public void openLight() {\n iv_scan_light.setImageResource(R.drawable.mn_icon_scan_flash_light_on);\n tv_scan_light.setText(\"关闭手电筒\");\n }\n\n public void closeLight() {\n iv_scan_light.setImageResource(R.drawable.mn_icon_scan_flash_light_off);\n tv_scan_light.setText(\"打开手电筒\");\n }\n\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/view/ScanResultPointView.java",
"content": "package com.maning.mlkitscanner.scan.view;\n\nimport android.content.Context;\nimport android.graphics.Bitmap;\nimport android.graphics.Color;\nimport android.graphics.Rect;\nimport android.graphics.drawable.GradientDrawable;\nimport android.os.Build;\nimport android.text.TextUtils;\nimport android.util.AttributeSet;\nimport android.util.Log;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.widget.FrameLayout;\nimport android.widget.ImageView;\nimport android.widget.RelativeLayout;\nimport android.widget.TextView;\n\nimport com.google.mlkit.vision.barcode.common.Barcode;\nimport com.maning.mlkitscanner.R;\nimport com.maning.mlkitscanner.scan.model.MNScanConfig;\nimport com.maning.mlkitscanner.scan.utils.CommonUtils;\nimport com.maning.mlkitscanner.scan.utils.StatusBarUtil;\n\nimport java.util.List;\n\nimport static android.graphics.drawable.GradientDrawable.RECTANGLE;\n\n/**\n * @author : maning\n * @date : 2021/1/7\n * @desc : 扫描结果点View展示\n */\npublic class ScanResultPointView extends FrameLayout {\n\n private MNScanConfig scanConfig;\n private List resultPoint;\n private OnResultPointClickListener onResultPointClickListener;\n\n private int resultPointColor;\n private int resultPointStrokeColor;\n private int resultPointWithdHeight;\n private int resultPointRadiusCorners;\n private int resultPointStrokeWidth;\n private TextView tv_cancle;\n private FrameLayout fl_result_point_root;\n private View fakeStatusBar;\n private int statusBarHeight;\n private ImageView iv_show_result;\n private Bitmap barcodeBitmap;\n\n public void setOnResultPointClickListener(OnResultPointClickListener onResultPointClickListener) {\n this.onResultPointClickListener = onResultPointClickListener;\n }\n\n public interface OnResultPointClickListener {\n void onPointClick(String result);\n\n void onCancle();\n }\n\n public ScanResultPointView(Context context) {\n this(context, null);\n }\n\n public ScanResultPointView(Context context, AttributeSet attrs) {\n this(context, attrs, 0);\n }\n\n public ScanResultPointView(Context context, AttributeSet attrs, int defStyleAttr) {\n super(context, attrs, defStyleAttr);\n initView();\n }\n\n private void initView() {\n View view = LayoutInflater.from(getContext()).inflate(R.layout.mn_scan_result_point_view, this);\n fakeStatusBar = view.findViewById(R.id.fakeStatusBar2);\n iv_show_result = view.findViewById(R.id.iv_show_result);\n tv_cancle = view.findViewById(R.id.tv_cancle);\n fl_result_point_root = view.findViewById(R.id.fl_result_point_root);\n\n statusBarHeight = StatusBarUtil.getStatusBarHeight(getContext());\n if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {\n ViewGroup.LayoutParams fakeStatusBarLayoutParams = fakeStatusBar.getLayoutParams();\n fakeStatusBarLayoutParams.height = statusBarHeight;\n fakeStatusBar.setLayoutParams(fakeStatusBarLayoutParams);\n }\n\n tv_cancle.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n //隐藏View\n if (onResultPointClickListener != null) {\n onResultPointClickListener.onCancle();\n }\n removeAllPoints();\n }\n });\n iv_show_result.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n //拦截点击事件\n }\n });\n }\n\n public void setScanConfig(MNScanConfig config) {\n scanConfig = config;\n initResultPointConfigs();\n }\n\n private void initResultPointConfigs() {\n if (scanConfig == null) {\n return;\n }\n resultPointRadiusCorners = CommonUtils.dip2px(getContext(), scanConfig.getResultPointCorners());\n resultPointWithdHeight = CommonUtils.dip2px(getContext(), scanConfig.getResultPointWithdHeight());\n resultPointStrokeWidth = CommonUtils.dip2px(getContext(), scanConfig.getResultPointStrokeWidth());\n String resultPointColorStr = scanConfig.getResultPointColor();\n String resultPointStrokeColorStr = scanConfig.getResultPointStrokeColor();\n if (resultPointWithdHeight == 0) {\n resultPointWithdHeight = CommonUtils.dip2px(getContext(), 36);\n }\n if (resultPointRadiusCorners == 0) {\n resultPointRadiusCorners = CommonUtils.dip2px(getContext(), 36);\n }\n if (resultPointStrokeWidth == 0) {\n resultPointStrokeWidth = CommonUtils.dip2px(getContext(), 3);\n }\n if (!TextUtils.isEmpty(resultPointColorStr)) {\n resultPointColor = Color.parseColor(resultPointColorStr);\n } else {\n resultPointColor = getContext().getResources().getColor(R.color.mn_scan_viewfinder_laser_result_point);\n }\n if (!TextUtils.isEmpty(resultPointStrokeColorStr)) {\n resultPointStrokeColor = Color.parseColor(resultPointStrokeColorStr);\n } else {\n resultPointStrokeColor = getContext().getResources().getColor(R.color.mn_scan_viewfinder_laser_result_point_border);\n }\n }\n\n public void setDatas(List results, Bitmap barcode) {\n this.resultPoint = results;\n this.barcodeBitmap = barcode;\n drawableResultPoint();\n }\n\n public void removeAllPoints() {\n fl_result_point_root.removeAllViews();\n }\n\n private void drawableResultPoint() {\n Log.e(\">>>>>>\", \"drawableResultPoint---start\");\n iv_show_result.setImageBitmap(barcodeBitmap);\n removeAllPoints();\n if (resultPoint == null || resultPoint.size() == 0) {\n if (onResultPointClickListener != null) {\n onResultPointClickListener.onCancle();\n }\n return;\n }\n if (scanConfig == null) {\n scanConfig = new MNScanConfig.Builder().builder();\n }\n if (resultPoint.size() == 1) {\n tv_cancle.setVisibility(View.INVISIBLE);\n } else {\n tv_cancle.setVisibility(View.VISIBLE);\n }\n\n for (int j = 0; j < resultPoint.size(); j++) {\n Barcode barcode = resultPoint.get(j);\n Rect boundingBox = barcode.getBoundingBox();\n int centerX = boundingBox.centerX();\n int centerY = boundingBox.centerY();\n\n View inflate = LayoutInflater.from(getContext()).inflate(R.layout.mn_scan_result_point_item_view, null);\n RelativeLayout rl_root = inflate.findViewById(R.id.rl_root);\n ImageView iv_point_bg = inflate.findViewById(R.id.iv_point_bg);\n ImageView iv_point_arrow = inflate.findViewById(R.id.iv_point_arrow);\n\n //位置\n RelativeLayout.LayoutParams lpRoot = new RelativeLayout.LayoutParams(resultPointWithdHeight, resultPointWithdHeight);\n rl_root.setLayoutParams(lpRoot);\n\n rl_root.setX(centerX - resultPointWithdHeight / 2.0f);\n rl_root.setY(centerY - resultPointWithdHeight / 2.0f);\n\n GradientDrawable gradientDrawable = new GradientDrawable();\n gradientDrawable.setCornerRadius(resultPointRadiusCorners);\n gradientDrawable.setShape(RECTANGLE);\n gradientDrawable.setStroke(resultPointStrokeWidth, resultPointStrokeColor);\n gradientDrawable.setColor(resultPointColor);\n\n iv_point_bg.setImageDrawable(gradientDrawable);\n\n //点的大小\n ViewGroup.LayoutParams lpPoint = iv_point_bg.getLayoutParams();\n lpPoint.width = resultPointWithdHeight;\n lpPoint.height = resultPointWithdHeight;\n iv_point_bg.setLayoutParams(lpPoint);\n\n //箭头大小\n if (resultPoint.size() > 1) {\n ViewGroup.LayoutParams lpArrow = iv_point_arrow.getLayoutParams();\n lpArrow.width = resultPointWithdHeight / 2;\n lpArrow.height = resultPointWithdHeight / 2;\n iv_point_arrow.setLayoutParams(lpArrow);\n iv_point_arrow.setVisibility(View.VISIBLE);\n } else {\n //一个不需要箭头\n iv_point_arrow.setVisibility(View.GONE);\n }\n\n iv_point_bg.setOnClickListener(new OnClickListener() {\n @Override\n public void onClick(View v) {\n if (onResultPointClickListener != null) {\n onResultPointClickListener.onPointClick(barcode.getDisplayValue());\n }\n }\n });\n\n fl_result_point_root.addView(inflate);\n }\n int childCount = fl_result_point_root.getChildCount();\n Log.e(\">>>>>>\", \"fl_result_point_root---childCount：\" + childCount);\n if (childCount <= 0) {\n //关闭页面\n if (onResultPointClickListener != null) {\n onResultPointClickListener.onCancle();\n }\n }\n Log.e(\">>>>>>\", \"drawableResultPoint---end\");\n }\n\n}"
},
{
"path": "mlkit-scanner/src/main/java/com/maning/mlkitscanner/scan/view/ViewfinderView.java",
"content": "/*\n * Copyright (C) 2008 ZXing authors\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\npackage com.maning.mlkitscanner.scan.view;\n\nimport android.animation.ValueAnimator;\nimport android.annotation.SuppressLint;\nimport android.content.Context;\nimport android.content.res.Resources;\nimport android.graphics.Canvas;\nimport android.graphics.Color;\nimport android.graphics.LinearGradient;\nimport android.graphics.Paint;\nimport android.graphics.Rect;\nimport android.graphics.RectF;\nimport android.graphics.Shader;\nimport android.text.TextUtils;\nimport android.util.AttributeSet;\nimport android.view.View;\n\nimport com.maning.mlkitscanner.R;\nimport com.maning.mlkitscanner.scan.model.MNScanConfig;\nimport com.maning.mlkitscanner.scan.utils.CommonUtils;\n\n\n/**\n * This view is overlaid on top of the camera preview. It adds the viewfinder rectangle and partial\n * transparency outside it, as well as the laser scanner animation and result points.\n *\n * @author dswitkin@google.com (Daniel Switkin)\n */\npublic final class ViewfinderView extends View {\n\n private static final String TAG = \"ViewfinderView\";\n private final Paint paint;\n private Paint paintResultPoint;\n private Paint paintText;\n private Paint paintTextBg;\n private Paint paintLine;\n private Paint paintLaser;\n private int maskColor;\n private int laserColor;\n\n private Rect frame;\n private String hintMsg;\n private String hintTextColor = \"#FFFFFF\";\n private int hintTextSize = 13;\n private int linePosition = 0;\n private int margin;\n private int laserLineW;\n private int cornerLineH;\n private int cornerLineW;\n private int gridColumn;\n private int gridHeight;\n\n //扫描线风格：0线，1网格\n private MNScanConfig.LaserStyle laserStyle = MNScanConfig.LaserStyle.Line;\n\n private MNScanConfig mnScanConfig;\n\n private ValueAnimator anim;\n private boolean needAnimation = true;\n\n public ViewfinderView(Context context, AttributeSet attrs) {\n super(context, attrs);\n\n // Initialize these once for performance rather than calling them every time in onDraw().\n paint = new Paint(Paint.ANTI_ALIAS_FLAG);\n paintResultPoint = new Paint(Paint.ANTI_ALIAS_FLAG);\n paintText = new Paint(Paint.ANTI_ALIAS_FLAG);\n paintTextBg = new Paint(Paint.ANTI_ALIAS_FLAG);\n paintLine = new Paint(Paint.ANTI_ALIAS_FLAG);\n paintLaser = new Paint(Paint.ANTI_ALIAS_FLAG);\n Resources resources = getResources();\n maskColor = resources.getColor(R.color.mn_scan_viewfinder_mask);\n laserColor = resources.getColor(R.color.mn_scan_viewfinder_laser);\n hintMsg = \"扫二维码/条形码\";\n //文字\n paintText.setColor(Color.WHITE);\n paintText.setTextSize(CommonUtils.sp2px(getContext(), hintTextSize));\n paintText.setTextAlign(Paint.Align.CENTER);\n paintTextBg.setColor(laserColor);\n paintTextBg.setTextAlign(Paint.Align.CENTER);\n //四角\n paintLine.setColor(laserColor);\n //扫描线\n paintLaser.setColor(laserColor);\n paintResultPoint.setColor(laserColor);\n //初始化数据大小\n initSize();\n }\n\n private void initSize() {\n //间距\n margin = CommonUtils.dip2px(getContext(), 4);\n //扫描线的宽度\n laserLineW = CommonUtils.dip2px(getContext(), 4);\n //四角线块\n cornerLineH = CommonUtils.dip2px(getContext(), 2);\n cornerLineW = CommonUtils.dip2px(getContext(), 14);\n //网格扫描线先关配置\n gridColumn = 24;\n gridHeight = CommonUtils.getScreenWidth(getContext()) * 7 / 10;\n }\n\n /**\n * 设置颜色\n *\n * @param laserColor\n */\n public void setLaserColor(int laserColor) {\n this.laserColor = laserColor;\n paintLine.setColor(this.laserColor);\n paintLaser.setColor(this.laserColor);\n }\n\n /**\n * 扫描线的样式\n *\n * @param laserStyle\n */\n public void setLaserStyle(MNScanConfig.LaserStyle laserStyle) {\n this.laserStyle = laserStyle;\n }\n\n /**\n * 背景色\n *\n * @param maskColor\n */\n public void setMaskColor(int maskColor) {\n this.maskColor = maskColor;\n }\n\n /**\n * 网格扫描列数\n *\n * @param gridColumn\n */\n public void setGridScannerColumn(int gridColumn) {\n if (gridColumn > 0) {\n this.gridColumn = gridColumn;\n }\n }\n\n /**\n * 网格扫描高度，默认扫描框的高度\n *\n * @param gridHeight\n */\n public void setGridScannerHeight(int gridHeight) {\n this.gridHeight = gridHeight;\n }\n\n\n public void setScanConfig(MNScanConfig scanConfig) {\n this.mnScanConfig = scanConfig;\n\n //扫描文字配置\n setHintText(mnScanConfig.getScanHintText(), mnScanConfig.getScanHintTextColor(), mnScanConfig.getScanHintTextSize());\n\n //扫描线相关配置\n if (!TextUtils.isEmpty(mnScanConfig.getScanColor())) {\n setLaserColor(Color.parseColor(mnScanConfig.getScanColor()));\n }\n setLaserStyle(mnScanConfig.getLaserStyle());\n\n if (!TextUtils.isEmpty(mnScanConfig.getBgColor())) {\n setMaskColor(Color.parseColor(mnScanConfig.getBgColor()));\n }\n setGridScannerColumn(mnScanConfig.getGridScanLineColumn());\n setGridScannerHeight(mnScanConfig.getGridScanLineHeight());\n }\n\n /**\n * 设置文案\n */\n public void setHintText(String hintMsg, String hintTextColor, int hintTextSize) {\n //文字\n if (!TextUtils.isEmpty(hintMsg)) {\n this.hintMsg = hintMsg;\n } else {\n this.hintMsg = \"\";\n }\n //文字颜色\n if (!TextUtils.isEmpty(hintTextColor)) {\n this.hintTextColor = hintTextColor;\n }\n //文字大小\n if (hintTextSize > 0) {\n this.hintTextSize = hintTextSize;\n }\n paintText.setColor(Color.parseColor(this.hintTextColor));\n paintText.setTextSize(CommonUtils.sp2px(getContext(), this.hintTextSize));\n }\n\n @SuppressLint(\"DrawAllocation\")\n @Override\n public void onDraw(Canvas canvas) {\n int width = canvas.getWidth();\n int height = canvas.getHeight();\n int txtMargin = CommonUtils.dip2px(getContext(), 20);\n\n int frameWidth = (int) (width * this.mnScanConfig.getScanFrameSizeScale());\n if (mnScanConfig != null && mnScanConfig.isFullScreenScan()) {\n frameWidth = width * 9 / 10;\n }\n int left = (width - frameWidth) / 2;\n int top = (height - frameWidth) / 2;\n frame = new Rect(left, top, left + frameWidth, top + frameWidth);\n\n //重新赋值\n frame.top = (height - (frame.right - frame.left)) / 2;\n frame.bottom = frame.top + (frame.right - frame.left);\n frame.left = (width - (frame.right - frame.left)) / 2;\n frame.right = frame.left + (frame.right - frame.left);\n\n paintLine.setShader(null);\n //四角线块\n int rectH = cornerLineW;\n int rectW = cornerLineH;\n //判断是不是全屏模式\n if (mnScanConfig != null && mnScanConfig.isFullScreenScan()) {\n //全屏透明\n paint.setColor(Color.TRANSPARENT);\n canvas.drawRect(0, 0, width, height, paint);\n //扫描线的宽度\n laserLineW = CommonUtils.dip2px(getContext(), 4);\n } else {\n //扫描线的宽度\n laserLineW = CommonUtils.dip2px(getContext(), 2);\n // 半透明背景\n paint.setColor(maskColor);\n\n canvas.drawRect(0, 0, width, frame.top, paint);\n canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);\n canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);\n canvas.drawRect(0, frame.bottom + 1, width, height, paint);\n //左上角\n canvas.drawRect(frame.left, frame.top, frame.left + rectW, frame.top + rectH, paintLine);\n canvas.drawRect(frame.left, frame.top, frame.left + rectH, frame.top + rectW, paintLine);\n //右上角\n canvas.drawRect(frame.right - rectW, frame.top, frame.right + 1, frame.top + rectH, paintLine);\n canvas.drawRect(frame.right - rectH, frame.top, frame.right + 1, frame.top + rectW, paintLine);\n //左下角\n canvas.drawRect(frame.left, frame.bottom - rectH, frame.left + rectW, frame.bottom + 1, paintLine);\n canvas.drawRect(frame.left, frame.bottom - rectW, frame.left + rectH, frame.bottom + 1, paintLine);\n //右下角\n canvas.drawRect(frame.right - rectW, frame.bottom - rectH, frame.right + 1, frame.bottom + 1, paintLine);\n canvas.drawRect(frame.right - rectH, frame.bottom - rectW, frame.right + 1, frame.bottom + 1, paintLine);\n }\n\n //带有背景框的文字，暂时不做\n// float textWidth = CommonUtils.getTextWidth(hintMsg, paintText);\n// float textHeight = CommonUtils.getTextHeight(hintMsg, paintText);\n// float startX = (width - textWidth) / 2 - CommonUtils.dip2px(getContext(), 20);\n// float startY = frame.bottom + txtMargin;\n// float endX = startX + textWidth + CommonUtils.dip2px(getContext(), 40);\n// float endY = startY + textHeight + CommonUtils.dip2px(getContext(), 12);\n// RectF rectF = new RectF(startX, startY, endX, endY);\n// canvas.drawRoundRect(rectF, 100, 100, paintTextBg);\n// if (mnScanConfig.isSupportZoom() && mnScanConfig.isShowZoomController() && mnScanConfig.getZoomControllerLocation() == MNScanConfig.ZoomControllerLocation.Bottom) {\n// canvas.drawText(hintMsg, width / 2, frame.top - txtMargin, paintText);\n// } else {\n// canvas.drawText(hintMsg, width / 2, startY + (rectF.height() - textHeight) + (rectF.height() - textHeight) / 2f, paintText);\n// }\n //文字\n canvas.drawText(hintMsg, width / 2, frame.bottom + txtMargin + CommonUtils.getTextHeight(hintMsg, paintText), paintText);\n\n //中间的线：动画\n if (linePosition <= 0) {\n linePosition = frame.top + margin;\n }\n //扫描线\n if (laserStyle == MNScanConfig.LaserStyle.Line) {\n drawLineScanner(canvas, frame);\n } else if (laserStyle == MNScanConfig.LaserStyle.Grid) {\n drawGridScanner(canvas, frame);\n }\n //动画刷新\n startAnimation();\n }\n\n /**\n * 绘制线性式扫描\n *\n * @param canvas\n * @param frame\n */\n private void drawLineScanner(Canvas canvas, Rect frame) {\n //线性渐变\n LinearGradient linearGradient = new LinearGradient(\n frame.left, linePosition,\n frame.left, linePosition + laserLineW,\n shadeColor(laserColor),\n laserColor,\n Shader.TileMode.MIRROR);\n paintLine.setShader(linearGradient);\n RectF rect = new RectF(frame.left + margin, linePosition, frame.right - margin, linePosition + laserLineW);\n canvas.drawOval(rect, paintLaser);\n }\n\n /**\n * 绘制网格式扫描\n *\n * @param canvas\n * @param frame\n */\n private void drawGridScanner(Canvas canvas, Rect frame) {\n if (gridHeight <= 0) {\n gridHeight = frame.bottom - frame.top;\n }\n int stroke = 2;\n paintLaser.setStrokeWidth(stroke);\n //计算Y轴开始位置\n int startY;\n if (gridHeight > 0 && linePosition - frame.top > gridHeight) {\n startY = linePosition - gridHeight;\n } else {\n startY = frame.top;\n }\n\n LinearGradient linearGradient = new LinearGradient(frame.left + frame.width() / 2, startY, frame.left + frame.width() / 2, linePosition, new int[]{shadeColor(laserColor), laserColor}, new float[]{0, 1f}, LinearGradient.TileMode.CLAMP);\n //给画笔设置着色器\n paintLaser.setShader(linearGradient);\n\n float wUnit = frame.width() * 1.0f / gridColumn;\n float hUnit = wUnit;\n //遍历绘制网格纵线\n for (int i = 0; i <= gridColumn; i++) {\n float startX;\n float stopX;\n if (i == 0) {\n startX = frame.left + 1;\n } else if (i == gridColumn) {\n startX = frame.left + i * wUnit - 1;\n } else {\n startX = frame.left + i * wUnit;\n }\n stopX = startX;\n canvas.drawLine(startX, startY, stopX, linePosition, paintLaser);\n }\n int height = gridHeight > 0 && linePosition - frame.top > gridHeight ? gridHeight : linePosition - frame.top;\n //遍历绘制网格横线\n for (int i = 0; i <= height / hUnit; i++) {\n canvas.drawLine(frame.left, linePosition - i * hUnit, frame.right, linePosition - i * hUnit, paintLaser);\n }\n }\n\n /**\n * 处理颜色模糊\n *\n * @param color\n * @return\n */\n public int shadeColor(int color) {\n String hax = Integer.toHexString(color);\n String result = \"01\" + hax.substring(2);\n return Integer.valueOf(result, 16);\n }\n\n public void startAnimation() {\n if (anim != null) {\n return;\n }\n anim = ValueAnimator.ofInt(frame.top - 2, frame.bottom + 2);\n anim.setRepeatCount(ValueAnimator.INFINITE);\n anim.setRepeatMode(ValueAnimator.RESTART);\n anim.setDuration(2400);\n anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {\n @Override\n public void onAnimationUpdate(ValueAnimator animation) {\n if (!needAnimation) {\n return;\n }\n linePosition = (int) animation.getAnimatedValue();\n try {\n postInvalidate(\n frame.left - 2,\n frame.top - 2,\n frame.right + 2,\n frame.bottom + 2);\n } catch (Exception e) {\n postInvalidate();\n }\n }\n });\n anim.start();\n }\n\n public void destroyView() {\n if (anim != null) {\n anim.removeAllUpdateListeners();\n anim.cancel();\n anim.end();\n anim = null;\n }\n }\n\n}\n"
},
{
"path": "mlkit-scanner/src/main/res/anim/mn_scan_activity_bottom_in.xml",
"content": "\n\n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/anim/mn_scan_activity_bottom_out.xml",
"content": "\n\n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/drawable/mn_scan_result_point_default.xml",
"content": "\n\n\n \n\n \n \n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/layout/mn_scan_action_menu.xml",
"content": "\n\n\n \n\n \n \n \n \n\n \n\n \n\n \n \n \n\n \n\n \n \n \n\n \n\n \n \n\n \n \n\n\n \n\n \n\n\n"
},
{
"path": "mlkit-scanner/src/main/res/layout/mn_scan_activity_scan_preview.xml",
"content": "\n\n\n \n\n \n\n \n\n \n\n \n \n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/layout/mn_scan_result_point_item_view.xml",
"content": "\n\n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/layout/mn_scan_result_point_view.xml",
"content": "\n\n\n \n\n \n\n \n\n \n\n \n\n \n\n"
},
{
"path": "mlkit-scanner/src/main/res/values/colors.xml",
"content": "\n\n #FFff3535\n #80000000\n #CCFF3535\n #FFFFFFFF\n"
},
{
"path": "mlkit-scanner/src/main/res/values/styles.xml",
"content": "\n\n \n\n \n\n"
},
{
"path": "settings.gradle",
"content": "include ':mlkit-scanner'\ninclude ':app'\nrootProject.name = \"MNMLKitScanner\""
}
]![](\"screenshots/mn_mlkit_scanner_ss_01.jpg\")
\n![](\"screenshots/mn_mlkit_scanner_ss_02.jpg\")
\n![](\"screenshots/mn_mlkit_scanner_ss_03.jpg\")
\n![](\"screenshots/mn_mlkit_scanner_ss_05.jpg\")
\n![](\"screenshots/mn_mlkit_scanner_ss_04.jpg\")
\n