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something should android do when screen on and screen off .
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| package com.simlegate.saveresource; | |
| import android.app.Activity; | |
| import android.os.Bundle; | |
| public class MainActivity extends Activity { | |
| public void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| setContentView(R.layout.activity_main); | |
| final ScreenActionReceiver screenactionreceiver = new ScreenActionReceiver(); | |
| registerReceiver(screenactionreceiver, screenactionreceiver.getFilter()); | |
| } | |
| } |
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| <manifest xmlns:android="http://schemas.android.com/apk/res/android" | |
| package="com.simlegate.saveresource" | |
| android:versionCode="1" | |
| android:versionName="1.0" > | |
| <uses-sdk | |
| android:minSdkVersion="15" | |
| android:targetSdkVersion="15" /> | |
| <application | |
| android:icon="@drawable/ic_launcher" | |
| android:label="@string/app_name" | |
| android:theme="@style/AppTheme" > | |
| <activity | |
| android:name=".MainActivity" | |
| android:label="@string/title_activity_main" > | |
| <intent-filter> | |
| <action android:name="android.intent.action.MAIN" /> | |
| <category android:name="android.intent.category.LAUNCHER" /> | |
| </intent-filter> | |
| </activity> | |
| <receiver android:name=".ScreenActionReceiver"> | |
| <intent-filter android:priority="90000"> | |
| <action android:name="android.intent.action.USER_PRESENT" /> | |
| </intent-filter> | |
| </receiver> | |
| </application> | |
| </manifest> |
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| package com.simlegate.saveresource; | |
| import android.content.BroadcastReceiver; | |
| import android.content.Context; | |
| import android.content.Intent; | |
| import android.content.IntentFilter; | |
| import android.util.Log; | |
| public class ScreenActionReceiver extends BroadcastReceiver { | |
| private String TAG = "ScreenActionReceiver"; | |
| @Override | |
| public void onReceive(Context context, Intent intent) { | |
| String action = intent.getAction(); | |
| if(Intent.ACTION_SCREEN_ON.equals(action)) | |
| { | |
| Log.d(TAG, "screen is on..."); | |
| } | |
| else if(Intent.ACTION_SCREEN_OFF.equals(action)) | |
| { | |
| Log.d(TAG, "screen is off..."); | |
| } | |
| else if(Intent.ACTION_USER_PRESENT.equals(action)) | |
| { | |
| Log.d(TAG, "screen is unlock..."); | |
| } | |
| } | |
| public IntentFilter getFilter(){ | |
| final IntentFilter filter = new IntentFilter(); | |
| filter.addAction(Intent.ACTION_SCREEN_OFF); | |
| filter.addAction(Intent.ACTION_SCREEN_ON); | |
| return filter; | |
| } | |
| } |
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