Repository: Joisar/LockScreenApp
Branch: master
Commit: 2470502ba5ae
Files: 20
Total size: 18.5 KB

Directory structure:
gitextract_y21tkzuy/

├── LockScreenApp/
│   ├── .classpath
│   ├── .project
│   ├── .settings/
│   │   └── org.eclipse.jdt.core.prefs
│   ├── AndroidManifest.xml
│   ├── libs/
│   │   └── android-support-v4.jar
│   ├── proguard.cfg
│   ├── project.properties
│   ├── res/
│   │   ├── color/
│   │   │   └── selector_txt_btn_unlock.xml
│   │   ├── drawable/
│   │   │   └── selector_bg_btn_unlock.xml
│   │   ├── layout/
│   │   │   └── activity_lockscreen.xml
│   │   ├── values/
│   │   │   ├── colors.xml
│   │   │   ├── dimens.xml
│   │   │   ├── strings.xml
│   │   │   └── style.xml
│   │   └── values-w820dp/
│   │       └── dimens.xml
│   └── src/
│       └── com/
│           └── mehuljoisar/
│               └── lockscreen/
│                   ├── LockScreenActivity.java
│                   └── utils/
│                       ├── LockscreenIntentReceiver.java
│                       ├── LockscreenService.java
│                       └── LockscreenUtils.java
└── README.md

================================================
FILE CONTENTS
================================================

================================================
FILE: LockScreenApp/.classpath
================================================
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
	<classpathentry kind="src" path="src"/>
	<classpathentry kind="src" path="gen"/>
	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
	<classpathentry kind="output" path="bin/classes"/>
</classpath>


================================================
FILE: LockScreenApp/.project
================================================
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>LockScreenApp</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
		<nature>org.eclipse.jdt.core.javanature</nature>
	</natures>
</projectDescription>


================================================
FILE: LockScreenApp/.settings/org.eclipse.jdt.core.prefs
================================================
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
org.eclipse.jdt.core.compiler.compliance=1.6
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
org.eclipse.jdt.core.compiler.debug.localVariable=generate
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.source=1.6


================================================
FILE: LockScreenApp/AndroidManifest.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.mehuljoisar.lockscreen"
    android:versionCode="3"
    android:versionName="1.2" >

    <uses-sdk android:minSdkVersion="8" />

    <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name="com.mehuljoisar.lockscreen.LockScreenActivity"
            android:excludeFromRecents="true"
            android:label="@string/app_name"
            android:launchMode="singleTask"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <service android:name=".utils.LockscreenService" >
        </service>

        <receiver
            android:name=".utils.LockscreenIntentReceiver"
            android:enabled="true" >
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
            </intent-filter>
        </receiver>
    </application>

</manifest>

================================================
FILE: LockScreenApp/proguard.cfg
================================================
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*

-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgentHelper
-keep public class * extends android.preference.Preference
-keep public class com.android.vending.licensing.ILicensingService

-keepclasseswithmembernames class * {
    native <methods>;
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet);
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet, int);
}

-keepclassmembers class * extends android.app.Activity {
   public void *(android.view.View);
}

-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

-keep class * implements android.os.Parcelable {
  public static final android.os.Parcelable$Creator *;
}


================================================
FILE: LockScreenApp/project.properties
================================================
# This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system use,
# "ant.properties", and override values to adapt the script to your
# project structure.

# Project target.
target=Google Inc.:Google APIs:22


================================================
FILE: LockScreenApp/res/color/selector_txt_btn_unlock.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true" android:color="@color/white"/>
    <item android:color="@color/black"/>

</selector>

================================================
FILE: LockScreenApp/res/drawable/selector_bg_btn_unlock.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@color/black" android:state_pressed="true"/>
    <item android:drawable="@color/white"/>

</selector>

================================================
FILE: LockScreenApp/res/layout/activity_lockscreen.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/yellow"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin" >

    <TextView
        android:id="@+id/tvInstructions"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/instructions"
        android:textAppearance="@android:style/TextAppearance.Medium"
        android:textColor="@color/black" />

    <Button
        android:id="@+id/btnUnlock"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="15dp"
        android:layout_below="@id/tvInstructions"
        android:layout_centerHorizontal="true"
        android:background="@drawable/selector_bg_btn_unlock"
        android:text="@string/unlock"
        android:textAppearance="@android:style/TextAppearance.Large"
        android:textColor="@color/selector_txt_btn_unlock" />

</RelativeLayout>

================================================
FILE: LockScreenApp/res/values/colors.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<resources>

    <color name="yellow">#F5DC49</color>
    <color name="black">#000000</color>
    <color name="white">#FFFFFF</color>
    
</resources>

================================================
FILE: LockScreenApp/res/values/dimens.xml
================================================
<resources>

    <!-- Default screen margins, per the Android Design guidelines. -->
    <dimen name="activity_horizontal_margin">16dp</dimen>
    <dimen name="activity_vertical_margin">16dp</dimen>

</resources>


================================================
FILE: LockScreenApp/res/values/strings.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">LockScreenApp</string>

    <string name="instructions">Click on UNLOCK button to unlock the screen</string>
    <string name="unlock">UNLOCK</string>
    
</resources>

================================================
FILE: LockScreenApp/res/values/style.xml
================================================
<?xml version="1.0" encoding="utf-8"?>
<resources>

    <style name="OverlayDialog" parent="@android:style/Theme.Dialog">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowFrame">@null</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowIsTranslucent">false</item>
        <item name="android:backgroundDimEnabled">false</item>
    </style>

</resources>

================================================
FILE: LockScreenApp/res/values-w820dp/dimens.xml
================================================
<resources>

    <!--
         Example customization of dimensions originally defined in res/values/dimens.xml
         (such as screen margins) for screens with more than 820dp of available width. This
         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively).
    -->
    <dimen name="activity_horizontal_margin">64dp</dimen>

</resources>


================================================
FILE: LockScreenApp/src/com/mehuljoisar/lockscreen/LockScreenActivity.java
================================================
package com.mehuljoisar.lockscreen;

import android.app.Activity;
import android.app.KeyguardManager;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.widget.Button;

import com.mehuljoisar.lockscreen.utils.LockscreenService;
import com.mehuljoisar.lockscreen.utils.LockscreenUtils;

public class LockScreenActivity extends Activity implements
		LockscreenUtils.OnLockStatusChangedListener {

	// User-interface
	private Button btnUnlock;

	// Member variables
	private LockscreenUtils mLockscreenUtils;

	// Set appropriate flags to make the screen appear over the keyguard
	@Override
	public void onAttachedToWindow() {
		this.getWindow().setType(
				WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
		this.getWindow().addFlags(
				WindowManager.LayoutParams.FLAG_FULLSCREEN
						| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
						| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
						| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
						);

		super.onAttachedToWindow();
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_lockscreen);

		init();

		// unlock screen in case of app get killed by system
		if (getIntent() != null && getIntent().hasExtra("kill")
				&& getIntent().getExtras().getInt("kill") == 1) {
			enableKeyguard();
			unlockHomeButton();
		} else {

			try {
				// disable keyguard
				disableKeyguard();

				// lock home button
				lockHomeButton();

				// start service for observing intents
				startService(new Intent(this, LockscreenService.class));

				// listen the events get fired during the call
				StateListener phoneStateListener = new StateListener();
				TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
				telephonyManager.listen(phoneStateListener,
						PhoneStateListener.LISTEN_CALL_STATE);

			} catch (Exception e) {
			}

		}
	}

	private void init() {
		mLockscreenUtils = new LockscreenUtils();
		btnUnlock = (Button) findViewById(R.id.btnUnlock);
		btnUnlock.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// unlock home button and then screen on button press
				unlockHomeButton();
			}
		});
	}

	// Handle events of calls and unlock screen if necessary
	private class StateListener extends PhoneStateListener {
		@Override
		public void onCallStateChanged(int state, String incomingNumber) {

			super.onCallStateChanged(state, incomingNumber);
			switch (state) {
			case TelephonyManager.CALL_STATE_RINGING:
				unlockHomeButton();
				break;
			case TelephonyManager.CALL_STATE_OFFHOOK:
				break;
			case TelephonyManager.CALL_STATE_IDLE:
				break;
			}
		}
	};

	// Don't finish Activity on Back press
	@Override
	public void onBackPressed() {
		return;
	}

	// Handle button clicks
	@Override
	public boolean onKeyDown(int keyCode, android.view.KeyEvent event) {

		if ((keyCode == KeyEvent.KEYCODE_VOLUME_DOWN)
				|| (keyCode == KeyEvent.KEYCODE_POWER)
				|| (keyCode == KeyEvent.KEYCODE_VOLUME_UP)
				|| (keyCode == KeyEvent.KEYCODE_CAMERA)) {
			return true;
		}
		if ((keyCode == KeyEvent.KEYCODE_HOME)) {

			return true;
		}

		return false;

	}

	// handle the key press events here itself
	public boolean dispatchKeyEvent(KeyEvent event) {
		if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP
				|| (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN)
				|| (event.getKeyCode() == KeyEvent.KEYCODE_POWER)) {
			return false;
		}
		if ((event.getKeyCode() == KeyEvent.KEYCODE_HOME)) {

			return true;
		}
		return false;
	}

	// Lock home button
	public void lockHomeButton() {
		mLockscreenUtils.lock(LockScreenActivity.this);
	}

	// Unlock home button and wait for its callback
	public void unlockHomeButton() {
		mLockscreenUtils.unlock();
	}

	// Simply unlock device when home button is successfully unlocked
	@Override
	public void onLockStatusChanged(boolean isLocked) {
		if (!isLocked) {
			unlockDevice();
		}
	}

	@Override
	protected void onStop() {
		super.onStop();
		unlockHomeButton();
	}

	@SuppressWarnings("deprecation")
	private void disableKeyguard() {
		KeyguardManager mKM = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
		KeyguardManager.KeyguardLock mKL = mKM.newKeyguardLock("IN");
		mKL.disableKeyguard();
	}

	@SuppressWarnings("deprecation")
	private void enableKeyguard() {
		KeyguardManager mKM = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
		KeyguardManager.KeyguardLock mKL = mKM.newKeyguardLock("IN");
		mKL.reenableKeyguard();
	}
	
	//Simply unlock device by finishing the activity
	private void unlockDevice()
	{
		finish();
	}

}

================================================
FILE: LockScreenApp/src/com/mehuljoisar/lockscreen/utils/LockscreenIntentReceiver.java
================================================
package com.mehuljoisar.lockscreen.utils;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

import com.mehuljoisar.lockscreen.LockScreenActivity;

public class LockscreenIntentReceiver extends BroadcastReceiver {

	// Handle actions and display Lockscreen
	@Override
	public void onReceive(Context context, Intent intent) {

		if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)
				|| intent.getAction().equals(Intent.ACTION_SCREEN_ON)
				|| intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) {
			start_lockscreen(context);
		}

	}

	// Display lock screen
	private void start_lockscreen(Context context) {
		Intent mIntent = new Intent(context, LockScreenActivity.class);
		mIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		context.startActivity(mIntent);
	}

}


================================================
FILE: LockScreenApp/src/com/mehuljoisar/lockscreen/utils/LockscreenService.java
================================================
package com.mehuljoisar.lockscreen.utils;

import android.app.Notification;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Bitmap;
import android.os.IBinder;
import android.provider.SyncStateContract.Constants;
import android.support.v4.app.NotificationCompat;

import com.mehuljoisar.lockscreen.R;

public class LockscreenService extends Service {

	private BroadcastReceiver mReceiver;

	@Override
	public IBinder onBind(Intent intent) {
		return null;
	}

	@Override
	public void onCreate() {
		super.onCreate();
	}
	
	// Register for Lockscreen event intents
	@Override
	public int onStartCommand(Intent intent, int flags, int startId) {
		IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
		filter.addAction(Intent.ACTION_SCREEN_OFF);
		mReceiver = new LockscreenIntentReceiver();
		registerReceiver(mReceiver, filter);
		startForeground();
		return START_STICKY;
	}

	// Run service in foreground so it is less likely to be killed by system
	private void startForeground() {
		Notification notification = new NotificationCompat.Builder(this)
		 .setContentTitle(getResources().getString(R.string.app_name))
		 .setTicker(getResources().getString(R.string.app_name))
		 .setContentText("Running")
		 .setSmallIcon(R.drawable.ic_launcher)
		 .setContentIntent(null)
		 .setOngoing(true)
		 .build();
		 startForeground(9999,notification);		
	}

	// Unregister receiver
	@Override
	public void onDestroy() {
		super.onDestroy();
		unregisterReceiver(mReceiver);
	}
}


================================================
FILE: LockScreenApp/src/com/mehuljoisar/lockscreen/utils/LockscreenUtils.java
================================================
package com.mehuljoisar.lockscreen.utils;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.KeyguardManager;
import android.content.Context;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;

import com.mehuljoisar.lockscreen.R;

public class LockscreenUtils {

	// Member variables
	private OverlayDialog mOverlayDialog;
	private OnLockStatusChangedListener mLockStatusChangedListener;
	
	// Interface to communicate with owner activity
	public interface OnLockStatusChangedListener
	{
		public void onLockStatusChanged(boolean isLocked);
	}
	
	// Reset the variables
	public LockscreenUtils() {
		reset();
	}

	// Display overlay dialog with a view to prevent home button click
	public void lock(Activity activity) {
		if (mOverlayDialog == null) {
			mOverlayDialog = new OverlayDialog(activity);
			mOverlayDialog.show();
			mLockStatusChangedListener = (OnLockStatusChangedListener) activity;
		}
	}
	
	// Reset variables
	public void reset() {
		if (mOverlayDialog != null) {
			mOverlayDialog.dismiss();
			mOverlayDialog = null;
		}
	}

	// Unlock the home button and give callback to unlock the screen
	public void unlock() {
		if (mOverlayDialog != null) {
			mOverlayDialog.dismiss();
			mOverlayDialog = null;
			if(mLockStatusChangedListener!=null)
			{
				mLockStatusChangedListener.onLockStatusChanged(false);
			}
		}
	}

	// Create overlay dialog for lockedscreen to disable hardware buttons
	private static class OverlayDialog extends AlertDialog {

		public OverlayDialog(Activity activity) {
			super(activity, R.style.OverlayDialog);
			WindowManager.LayoutParams params = getWindow().getAttributes();
			params.type = LayoutParams.TYPE_SYSTEM_ERROR;
			params.dimAmount = 0.0F;
			params.width = 0;
			params.height = 0;
			params.gravity = Gravity.BOTTOM;
			getWindow().setAttributes(params);
			getWindow().setFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED | LayoutParams.FLAG_NOT_TOUCH_MODAL,
					0xffffff);
			setOwnerActivity(activity);
			setCancelable(false);
		}

		// consume touch events
		public final boolean dispatchTouchEvent(MotionEvent motionevent) {
			return true;
		}

	}
}


================================================
FILE: README.md
================================================
LockScreenApp
=============


Features:
- Lockscreen over the screen
- Hardware home button disabled
- On-going notification to prevent app being killed by OS

It provides lockscreen in API 8 or above.

Initial

![Alt text](http://thumbnails114.imagebam.com/42319/f1a34d423182524.jpg "")


Locked

![Alt text](http://thumbnails114.imagebam.com/42319/422e11423182518.jpg "")



Unlocked

![Alt text](http://thumbnails114.imagebam.com/42319/f1a34d423182524.jpg "")