[
{
"path": ".gitignore",
"content": "# Built application files\n*.apk\n*.ap_\n\n# Files for the Dalvik VM\n*.dex\n\n# Java class files\n*.class\n\n# Generated files\nbin/\ngen/\n\n# Gradle files\n.gradle/\nbuild/\n/*/build/\n\n# Local configuration file (sdk path, etc)\nlocal.properties\n\n# Proguard folder generated by Eclipse\nproguard/\n\n# Log Files\n*.log\n\n# Eclipse project files\n.classpath\n.project\n.settings/\n\n# Intellij project files\n*.iml\n*.ipr\n*.iws\n.idea/\n\n# Mac system files\n.DS_Store\n\n*.keystore"
},
{
"path": "README.md",
"content": ":running:BGAFlowLayout-Android:running:\r\n============\r\n\r\n[](https://maven-badges.herokuapp.com/maven-central/cn.bingoogolapple/bga-flowlayout)\r\n\r\nAndroid流式布局，可配置是否将每一行的空白区域平均分配给子控件。\r\n\r\n最开始是参考[鸿洋_的这篇文章](http://blog.csdn.net/lmj623565791/article/details/38352503)的思路实现的，后来根据产品经理出的需求，增加了将每一行的空白区域平均分配给子控件。\r\n\r\ndemo中分别演示了在xml使用方式和在java代码中动态添加\r\n\r\n### 效果图\r\n\r\n\r\n\r\n\r\n### Gradle依赖\r\n\r\n```groovy\r\ndependencies {\r\n compile 'cn.bingoogolapple:bga-flowlayout:latestVersion@aar'\r\n}\r\n```\r\n\r\n### 自定义属性说明\r\n\r\n```xml\r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n```\r\n\r\n## 作者联系方式\r\n\r\n| 个人主页 | 邮箱 |\r\n| ------------- | ------------ |\r\n| bingoogolapple.cn | bingoogolapple@gmail.com |\r\n\r\n| 个人微信号 | 微信群 | 公众号 |\r\n| ------------ | ------------ | ------------ |\r\n| ![\"个人微信号\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/BGAQrCode.png\")
| ![\"微信群\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/WeChatGroup1QrCode.jpg\")
| ![\"公众号\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/GongZhongHao.png\")
|\r\n\r\n| 个人 QQ 号 | QQ 群 |\r\n| ------------ | ------------ |\r\n| ![\"个人](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/BGAQQQrCode.jpg\")
| ![\"QQ](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/QQGroup1QrCode.jpg\")
|\r\n\r\n## 打赏支持作者\r\n\r\n如果您觉得 BGA 系列开源库或工具软件帮您节省了大量的开发时间，可以扫描下方的二维码打赏支持。您的支持将鼓励我继续创作，打赏后还可以加我微信免费开通一年 [上帝小助手浏览器扩展/插件开发平台](https://github.com/bingoogolapple/bga-god-assistant-config) 的会员服务\r\n\r\n| 微信 | QQ | 支付宝 |\r\n| ------------- | ------------- | ------------- |\r\n| ![\"微信\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/donate-wechat.jpg\")
| ![\"QQ\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/donate-qq.jpg\")
| ![\"支付宝\"](\"https://github.com/bingoogolapple/bga-god-assistant-config/raw/main/images/donate-alipay.jpg\")
|\r\n\r\n## 作者项目推荐\r\n\r\n* 欢迎您使用我开发的第一个独立开发软件产品 [上帝小助手浏览器扩展/插件开发平台](https://github.com/bingoogolapple/bga-god-assistant-config)\r\n"
},
{
"path": "build.gradle",
"content": "// Top-level build file where you can add configuration options common to all sub-projects/modules.\n\nbuildscript {\n repositories {\n jcenter()\n }\n dependencies {\n classpath 'com.android.tools.build:gradle:2.0.0-alpha2'\n\n // NOTE: Do not place your application dependencies here; they belong\n // in the individual module build.gradle files\n }\n}\n\nallprojects {\n repositories {\n jcenter()\n }\n}\n"
},
{
"path": "demo/build.gradle",
"content": "apply plugin: 'com.android.application'\n\nandroid {\n compileSdkVersion ANDROID_BUILD_SDK_VERSION as int\n buildToolsVersion ANDROID_BUILD_TOOLS_VERSION\n\n defaultConfig {\n minSdkVersion ANDROID_BUILD_MIN_SDK_VERSION as int\n targetSdkVersion ANDROID_BUILD_TARGET_SDK_VERSION as int\n versionCode VERSION_CODE as int\n versionName VERSION_NAME\n }\n}\n\ndependencies {\n compile 'com.android.support:appcompat-v7:23.1.1'\n compile 'cn.bingoogolapple:bga-flowlayout:1.0.0@aar'\n// compile project(':library')\n}\n"
},
{
"path": "demo/src/main/AndroidManifest.xml",
"content": "\n\n\n \n \n \n \n\n \n \n \n \n\n\n"
},
{
"path": "demo/src/main/java/cn/bingoogolapple/flowlayout/demo/MainActivity.java",
"content": "package cn.bingoogolapple.flowlayout.demo;\n\nimport android.graphics.Color;\nimport android.os.Bundle;\nimport android.support.v7.app.AppCompatActivity;\nimport android.text.TextUtils;\nimport android.view.Gravity;\nimport android.view.KeyEvent;\nimport android.view.ViewGroup;\nimport android.view.inputmethod.EditorInfo;\nimport android.widget.EditText;\nimport android.widget.TextView;\n\nimport cn.bingoogolapple.flowlayout.BGAFlowLayout;\n\npublic class MainActivity extends AppCompatActivity {\n private String[] mVals = new String[]{\"bingo\", \"googol\", \"apple\", \"bingoogolapple\", \"helloworld\"};\n private BGAFlowLayout mFlowLayout;\n private EditText mTagEt;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_main);\n mTagEt = (EditText) findViewById(R.id.et_main_tag);\n mFlowLayout = (BGAFlowLayout) findViewById(R.id.flowlayout);\n initData();\n\n\n mTagEt.setOnEditorActionListener(new TextView.OnEditorActionListener() {\n @Override\n public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {\n if (actionId == EditorInfo.IME_ACTION_GO) {\n String tag = mTagEt.getText().toString().trim();\n if (!TextUtils.isEmpty(tag)) {\n mFlowLayout.addView(getLabel(tag), mFlowLayout.getChildCount() - 1, new ViewGroup.MarginLayoutParams(ViewGroup.MarginLayoutParams.WRAP_CONTENT, ViewGroup.MarginLayoutParams.WRAP_CONTENT));\n }\n mTagEt.setText(\"\");\n }\n return true;\n }\n });\n }\n\n public void initData() {\n for (int i = 0; i < mVals.length; i++) {\n mFlowLayout.addView(getLabel(mVals[i]), mFlowLayout.getChildCount() - 1, new ViewGroup.MarginLayoutParams(ViewGroup.MarginLayoutParams.WRAP_CONTENT, ViewGroup.MarginLayoutParams.WRAP_CONTENT));\n }\n }\n\n private TextView getLabel(String text) {\n TextView label = new TextView(this);\n label.setTextColor(Color.WHITE);\n label.setBackgroundResource(R.drawable.selector_tag);\n label.setGravity(Gravity.CENTER);\n label.setSingleLine(true);\n label.setEllipsize(TextUtils.TruncateAt.END);\n int padding = BGAFlowLayout.dp2px(this, 5);\n label.setPadding(padding, padding, padding, padding);\n label.setText(text);\n return label;\n }\n\n}\n"
},
{
"path": "demo/src/main/res/drawable/selector_tag.xml",
"content": "\n\n - \n \n \n \n \n
\n - \n \n \n \n \n
\n\n\n"
},
{
"path": "demo/src/main/res/drawable/shape_stroke_line.xml",
"content": "\n\n \n\n \n\n \n"
},
{
"path": "demo/src/main/res/layout/activity_main.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 \n\n \n\n"
},
{
"path": "demo/src/main/res/values/colors.xml",
"content": "\n\n #f57257\n #f46444\n #f46444\n\n #cccc\n"
},
{
"path": "demo/src/main/res/values/strings.xml",
"content": "\n BGAFlowLayoutDemo\n"
},
{
"path": "demo/src/main/res/values/styles.xml",
"content": "\n\n \n\n \n\n \n\n\n"
},
{
"path": "demo/src/main/res/values/styles_base.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\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n"
},
{
"path": "demo/src/main/res/values-v21/styles.xml",
"content": "\n\n \n\n"
},
{
"path": "gradle/wrapper/gradle-wrapper.properties",
"content": "#Fri Dec 04 13:08:31 CST 2015\ndistributionBase=GRADLE_USER_HOME\ndistributionPath=wrapper/dists\nzipStoreBase=GRADLE_USER_HOME\nzipStorePath=wrapper/dists\ndistributionUrl=https\\://services.gradle.org/distributions/gradle-2.8-all.zip\n"
},
{
"path": "gradle.properties",
"content": "ANDROID_BUILD_MIN_SDK_VERSION=10\nANDROID_BUILD_TARGET_SDK_VERSION=23\nANDROID_BUILD_SDK_VERSION=23\nANDROID_BUILD_TOOLS_VERSION=23.0.2\n\nVERSION_NAME=1.0.0\nVERSION_CODE=100"
},
{
"path": "gradlew",
"content": "#!/usr/bin/env bash\n\n##############################################################################\n##\n## Gradle start up script for UN*X\n##\n##############################################################################\n\n# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.\nDEFAULT_JVM_OPTS=\"\"\n\nAPP_NAME=\"Gradle\"\nAPP_BASE_NAME=`basename \"$0\"`\n\n# Use the maximum available, or set MAX_FD != -1 to use that value.\nMAX_FD=\"maximum\"\n\nwarn ( ) {\n echo \"$*\"\n}\n\ndie ( ) {\n echo\n echo \"$*\"\n echo\n exit 1\n}\n\n# OS specific support (must be 'true' or 'false').\ncygwin=false\nmsys=false\ndarwin=false\ncase \"`uname`\" in\n CYGWIN* )\n cygwin=true\n ;;\n Darwin* )\n darwin=true\n ;;\n MINGW* )\n msys=true\n ;;\nesac\n\n# For Cygwin, ensure paths are in UNIX format before anything is touched.\nif $cygwin ; then\n [ -n \"$JAVA_HOME\" ] && JAVA_HOME=`cygpath --unix \"$JAVA_HOME\"`\nfi\n\n# Attempt to set APP_HOME\n# Resolve links: $0 may be a link\nPRG=\"$0\"\n# Need this for relative symlinks.\nwhile [ -h \"$PRG\" ] ; do\n ls=`ls -ld \"$PRG\"`\n link=`expr \"$ls\" : '.*-> \\(.*\\)$'`\n if expr \"$link\" : '/.*' > /dev/null; then\n PRG=\"$link\"\n else\n PRG=`dirname \"$PRG\"`\"/$link\"\n fi\ndone\nSAVED=\"`pwd`\"\ncd \"`dirname \\\"$PRG\\\"`/\" >&-\nAPP_HOME=\"`pwd -P`\"\ncd \"$SAVED\" >&-\n\nCLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar\n\n# Determine the Java command to use to start the JVM.\nif [ -n \"$JAVA_HOME\" ] ; then\n if [ -x \"$JAVA_HOME/jre/sh/java\" ] ; then\n # IBM's JDK on AIX uses strange locations for the executables\n JAVACMD=\"$JAVA_HOME/jre/sh/java\"\n else\n JAVACMD=\"$JAVA_HOME/bin/java\"\n fi\n if [ ! -x \"$JAVACMD\" ] ; then\n die \"ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME\n\nPlease set the JAVA_HOME variable in your environment to match the\nlocation of your Java installation.\"\n fi\nelse\n JAVACMD=\"java\"\n which java >/dev/null 2>&1 || die \"ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.\n\nPlease set the JAVA_HOME variable in your environment to match the\nlocation of your Java installation.\"\nfi\n\n# Increase the maximum file descriptors if we can.\nif [ \"$cygwin\" = \"false\" -a \"$darwin\" = \"false\" ] ; then\n MAX_FD_LIMIT=`ulimit -H -n`\n if [ $? -eq 0 ] ; then\n if [ \"$MAX_FD\" = \"maximum\" -o \"$MAX_FD\" = \"max\" ] ; then\n MAX_FD=\"$MAX_FD_LIMIT\"\n fi\n ulimit -n $MAX_FD\n if [ $? -ne 0 ] ; then\n warn \"Could not set maximum file descriptor limit: $MAX_FD\"\n fi\n else\n warn \"Could not query maximum file descriptor limit: $MAX_FD_LIMIT\"\n fi\nfi\n\n# For Darwin, add options to specify how the application appears in the dock\nif $darwin; then\n GRADLE_OPTS=\"$GRADLE_OPTS \\\"-Xdock:name=$APP_NAME\\\" \\\"-Xdock:icon=$APP_HOME/media/gradle.icns\\\"\"\nfi\n\n# For Cygwin, switch paths to Windows format before running java\nif $cygwin ; then\n APP_HOME=`cygpath --path --mixed \"$APP_HOME\"`\n CLASSPATH=`cygpath --path --mixed \"$CLASSPATH\"`\n\n # We build the pattern for arguments to be converted via cygpath\n ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`\n SEP=\"\"\n for dir in $ROOTDIRSRAW ; do\n ROOTDIRS=\"$ROOTDIRS$SEP$dir\"\n SEP=\"|\"\n done\n OURCYGPATTERN=\"(^($ROOTDIRS))\"\n # Add a user-defined pattern to the cygpath arguments\n if [ \"$GRADLE_CYGPATTERN\" != \"\" ] ; then\n OURCYGPATTERN=\"$OURCYGPATTERN|($GRADLE_CYGPATTERN)\"\n fi\n # Now convert the arguments - kludge to limit ourselves to /bin/sh\n i=0\n for arg in \"$@\" ; do\n CHECK=`echo \"$arg\"|egrep -c \"$OURCYGPATTERN\" -`\n CHECK2=`echo \"$arg\"|egrep -c \"^-\"` ### Determine if an option\n\n if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition\n eval `echo args$i`=`cygpath --path --ignore --mixed \"$arg\"`\n else\n eval `echo args$i`=\"\\\"$arg\\\"\"\n fi\n i=$((i+1))\n done\n case $i in\n (0) set -- ;;\n (1) set -- \"$args0\" ;;\n (2) set -- \"$args0\" \"$args1\" ;;\n (3) set -- \"$args0\" \"$args1\" \"$args2\" ;;\n (4) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" ;;\n (5) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" \"$args4\" ;;\n (6) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" \"$args4\" \"$args5\" ;;\n (7) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" \"$args4\" \"$args5\" \"$args6\" ;;\n (8) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" \"$args4\" \"$args5\" \"$args6\" \"$args7\" ;;\n (9) set -- \"$args0\" \"$args1\" \"$args2\" \"$args3\" \"$args4\" \"$args5\" \"$args6\" \"$args7\" \"$args8\" ;;\n esac\nfi\n\n# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules\nfunction splitJvmOpts() {\n JVM_OPTS=(\"$@\")\n}\neval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS\nJVM_OPTS[${#JVM_OPTS[*]}]=\"-Dorg.gradle.appname=$APP_BASE_NAME\"\n\nexec \"$JAVACMD\" \"${JVM_OPTS[@]}\" -classpath \"$CLASSPATH\" org.gradle.wrapper.GradleWrapperMain \"$@\"\n"
},
{
"path": "gradlew.bat",
"content": "@if \"%DEBUG%\" == \"\" @echo off\n@rem ##########################################################################\n@rem\n@rem Gradle startup script for Windows\n@rem\n@rem ##########################################################################\n\n@rem Set local scope for the variables with windows NT shell\nif \"%OS%\"==\"Windows_NT\" setlocal\n\n@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.\nset DEFAULT_JVM_OPTS=\n\nset DIRNAME=%~dp0\nif \"%DIRNAME%\" == \"\" set DIRNAME=.\nset APP_BASE_NAME=%~n0\nset APP_HOME=%DIRNAME%\n\n@rem Find java.exe\nif defined JAVA_HOME goto findJavaFromJavaHome\n\nset JAVA_EXE=java.exe\n%JAVA_EXE% -version >NUL 2>&1\nif \"%ERRORLEVEL%\" == \"0\" goto init\n\necho.\necho ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.\necho.\necho Please set the JAVA_HOME variable in your environment to match the\necho location of your Java installation.\n\ngoto fail\n\n:findJavaFromJavaHome\nset JAVA_HOME=%JAVA_HOME:\"=%\nset JAVA_EXE=%JAVA_HOME%/bin/java.exe\n\nif exist \"%JAVA_EXE%\" goto init\n\necho.\necho ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%\necho.\necho Please set the JAVA_HOME variable in your environment to match the\necho location of your Java installation.\n\ngoto fail\n\n:init\n@rem Get command-line arguments, handling Windowz variants\n\nif not \"%OS%\" == \"Windows_NT\" goto win9xME_args\nif \"%@eval[2+2]\" == \"4\" goto 4NT_args\n\n:win9xME_args\n@rem Slurp the command line arguments.\nset CMD_LINE_ARGS=\nset _SKIP=2\n\n:win9xME_args_slurp\nif \"x%~1\" == \"x\" goto execute\n\nset CMD_LINE_ARGS=%*\ngoto execute\n\n:4NT_args\n@rem Get arguments from the 4NT Shell from JP Software\nset CMD_LINE_ARGS=%$\n\n:execute\n@rem Setup the command line\n\nset CLASSPATH=%APP_HOME%\\gradle\\wrapper\\gradle-wrapper.jar\n\n@rem Execute Gradle\n\"%JAVA_EXE%\" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% \"-Dorg.gradle.appname=%APP_BASE_NAME%\" -classpath \"%CLASSPATH%\" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%\n\n:end\n@rem End local scope for the variables with windows NT shell\nif \"%ERRORLEVEL%\"==\"0\" goto mainEnd\n\n:fail\nrem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of\nrem the _cmd.exe /c_ return code!\nif not \"\" == \"%GRADLE_EXIT_CONSOLE%\" exit 1\nexit /b 1\n\n:mainEnd\nif \"%OS%\"==\"Windows_NT\" endlocal\n\n:omega\n"
},
{
"path": "library/build.gradle",
"content": "apply plugin: 'com.android.library'\n\nandroid {\n compileSdkVersion ANDROID_BUILD_SDK_VERSION as int\n buildToolsVersion ANDROID_BUILD_TOOLS_VERSION\n\n defaultConfig {\n minSdkVersion ANDROID_BUILD_MIN_SDK_VERSION as int\n targetSdkVersion ANDROID_BUILD_TARGET_SDK_VERSION as int\n }\n}\n\n// gradle uploadArchives\napply from: 'https://raw.githubusercontent.com/bingoogolapple/PublishAar/master/central-publish.gradle'"
},
{
"path": "library/gradle.properties",
"content": "PUBLISH_AAR_ARTIFACT_ID=bga-flowlayout\nPUBLISH_AAR_DESCRIPTION=Android FlowLayout Library\nPUBLISH_AAR_GITHUB_REPOSITORIES_NAME=BGAFlowLayout-Android"
},
{
"path": "library/src/main/AndroidManifest.xml",
"content": ""
},
{
"path": "library/src/main/java/cn/bingoogolapple/flowlayout/BGAFlowLayout.java",
"content": "package cn.bingoogolapple.flowlayout;\n\nimport android.content.Context;\nimport android.content.res.TypedArray;\nimport android.util.AttributeSet;\nimport android.util.TypedValue;\nimport android.view.View;\nimport android.view.ViewGroup;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\n/**\n * 作者:王浩 邮件:bingoogolapple@gmail.com\n * 创建时间:15/6/24 11:21\n * 描述:流式布局\n */\npublic class BGAFlowLayout extends ViewGroup {\n private List mRows = new ArrayList<>();\n private int mHorizontalChildGap;\n private int mVerticalChildGap;\n private boolean mIsDistributionWhiteSpacing = true;\n\n public BGAFlowLayout(Context context) {\n this(context, null);\n }\n\n public BGAFlowLayout(Context context, AttributeSet attrs) {\n this(context, attrs, 0);\n }\n\n public BGAFlowLayout(Context context, AttributeSet attrs, int defStyleAttr) {\n super(context, attrs, defStyleAttr);\n initDefaultAttrs(context);\n initCustomAttrs(context, attrs);\n }\n\n private void initDefaultAttrs(Context context) {\n mHorizontalChildGap = dp2px(context, 10);\n mVerticalChildGap = dp2px(context, 10);\n }\n\n private void initCustomAttrs(Context context, AttributeSet attrs) {\n TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.BGAFlowLayout);\n final int N = typedArray.getIndexCount();\n for (int i = 0; i < N; i++) {\n initCustomAttr(typedArray.getIndex(i), typedArray);\n }\n typedArray.recycle();\n }\n\n private void initCustomAttr(int attr, TypedArray typedArray) {\n if (attr == R.styleable.BGAFlowLayout_fl_horizontalChildGap) {\n /**\n * getDimension和getDimensionPixelOffset的功能差不多,都是获取某个dimen的值,如果是dp或sp的单位,将其乘以density,如果是px,则不乘;两个函数的区别是一个返回float,一个返回int. getDimensionPixelSize则不管写的是dp还是sp还是px,都会乘以denstiy.\n */\n mHorizontalChildGap = typedArray.getDimensionPixelOffset(attr, mHorizontalChildGap);\n } else if (attr == R.styleable.BGAFlowLayout_fl_verticalChildGap) {\n mVerticalChildGap = typedArray.getDimensionPixelOffset(attr, mVerticalChildGap);\n } else if (attr == R.styleable.BGAFlowLayout_fl_isDistributionWhiteSpacing) {\n mIsDistributionWhiteSpacing = typedArray.getBoolean(attr, mIsDistributionWhiteSpacing);\n }\n }\n\n @Override\n protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {\n int sizeWidth = MeasureSpec.getSize(widthMeasureSpec);\n int sizeHeight = MeasureSpec.getSize(heightMeasureSpec);\n /**\n * 1.EXACTLY:100dp,match_parent\n * 2.AT_MOST:wrap_content\n * 3.UNSPCIFIED:子控件想要多大就多大，很少见（ScrollView）\n */\n int modeHeight = MeasureSpec.getMode(heightMeasureSpec);\n\n mRows.clear();\n Row row = new Row(sizeWidth);\n\n View child;\n int childCount = getChildCount();\n for (int i = 0; i < childCount; i++) {\n child = getChildAt(i);\n measureChild(child, widthMeasureSpec, heightMeasureSpec);\n if (!row.addChild(child)) {\n mRows.add(row);\n row = new Row(sizeWidth);\n row.addChild(child);\n }\n }\n\n // 添加最后一行\n if (!mRows.contains(row)) {\n mRows.add(row);\n }\n\n int height = 0;\n int rowCount = mRows.size();\n for (int i = 0; i < rowCount; i++) {\n height += mRows.get(i).mHeight;\n if (i != rowCount - 1) {\n height += mVerticalChildGap;\n }\n }\n setMeasuredDimension(sizeWidth, modeHeight == MeasureSpec.EXACTLY ? sizeHeight : height + getPaddingTop() + getPaddingBottom());\n }\n\n @Override\n protected void onLayout(boolean changed, int l, int t, int r, int b) {\n int rowCount = mRows.size();\n int top = getPaddingTop();\n Row row;\n for (int i = 0; i < rowCount; i++) {\n row = mRows.get(i);\n if (mIsDistributionWhiteSpacing && i != rowCount - 1) {\n row.layout(true, top);\n } else {\n row.layout(false, top);\n }\n top += row.mHeight + mVerticalChildGap;\n }\n }\n\n private class Row {\n private List mViews = new ArrayList<>();\n private int mWidth;\n private int mNewWidth;\n private int mHeight;\n private int mMaxWidth;\n\n public Row(int sizeWidth) {\n mMaxWidth = sizeWidth - getPaddingLeft() - getPaddingRight();\n }\n\n public boolean addChild(View child) {\n if (isOutOfMaxWidth(child.getMeasuredWidth())) {\n return false;\n } else {\n mViews.add(child);\n mWidth = mNewWidth;\n\n int childHeight = child.getMeasuredHeight();\n mHeight = mHeight < childHeight ? childHeight : mHeight;\n return true;\n }\n }\n\n private boolean isOutOfMaxWidth(int childWidth) {\n if (mViews.size() == 0) {\n mNewWidth = mWidth + childWidth;\n } else {\n mNewWidth = mWidth + mHorizontalChildGap + childWidth;\n }\n return mNewWidth > mMaxWidth;\n }\n\n /**\n * @param isNeedSplit 是否需要平均分配空白区域给每一个子孩子\n * @param top\n */\n public void layout(boolean isNeedSplit, int top) {\n if (mViews.size() == 0) {\n return;\n }\n\n int left = getPaddingLeft();\n int count = mViews.size();\n int splitWidth = (mMaxWidth - mWidth) / count;\n View view;\n for (int i = 0; i < count; i++) {\n view = mViews.get(i);\n int childWidth = view.getMeasuredWidth();\n int childHeight = view.getMeasuredHeight();\n if (isNeedSplit) {\n childWidth = childWidth + splitWidth;\n view.getLayoutParams().width = childWidth;\n if (splitWidth > 0) {\n /**\n * 1.EXACTLY:100dp,match_parent\n * 2.AT_MOST:wrap_content\n * 3.UNSPCIFIED:子控件想要多大就多大，很少见（ScrollView）\n */\n int widthMeasureSpec = MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY);\n int heightMeasureSpec = MeasureSpec.makeMeasureSpec(childHeight, MeasureSpec.EXACTLY);\n view.measure(widthMeasureSpec, heightMeasureSpec);\n }\n }\n\n int topOffset = (int) ((mHeight - childHeight) / 2.0 + 0.5);\n view.layout(left, top + topOffset, left + childWidth, top + topOffset + childHeight);\n\n left += childWidth + mHorizontalChildGap;\n }\n }\n }\n\n public static int dp2px(Context context, float dpValue) {\n return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpValue, context.getResources().getDisplayMetrics());\n }\n}"
},
{
"path": "library/src/main/res/values/attrs.xml",
"content": "\n\n \n \n \n \n \n \n \n \n"
},
{
"path": "settings.gradle",
"content": "include ':library', ':demo'\n"
}
]