Android app黑白名单

转载自:https://www.2cto.com/kf/201505/400664.html

Android app黑白名单

Android设备系统正常工作时，很多Service运行在后台，只用在系统内存不够使用时候，才会自动kill掉后台Service
Android OTT盒子项目开发中，网络机顶盒运行内存512M/1G 内存不够使用，为了提高系统的流畅性，编译固件时加入app黑白名单功能。

Android系统开机后会发出BroadcastReceiver开机广播，
在设置app 添加BootCompletedReceiverAML.java

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<code class = "language-java hljs " > public class BootCompletedReceiverAML extends BroadcastReceiver {      public static final String TAG = "BootCompletedReceiverAML" ;      public void onReceive(Context context, Intent intent) {        initScreenSaver();      initEnableRunningBackgroudComponents();      initEnableAutoRunningComponents();       initLauncherComponents();      }        //设置进入屏保黑白名单      private void initScreenSaver() {          Settings.System.putInt(mContext.getContentResolver(),          Settings.System.BOOT_GUIDE_COMPLETED, 1 );          IDreamManager mDreamManager = IDreamManager.Stub.asInterface(ServiceManager.getService(DreamService.DREAM_SERVICE));          ComponentName dream = newComponentName( "com.mipt.screensaver" ,                  "com.mipt.screensaver.ScreenSaverService" );          try {              ComponentName[] dreams = { dream };              mDreamManager.setDreamComponents(dream == null ? null : dreams);          }          catch (RemoteException e) {          }            String dreamEnableComponentNames = "com.skyworthdigital.filexplorer/com.skyworthdigital.weather.main/com.skyworthdigital.ihome.settings/com.study.pumpkinstudy/com.android.dreams.phototable" ;          Settings.System.putString(mContext.getContentResolver(),          Settings.System.DREAM_ENABLE_COMPONENT,dreamEnableComponentNames);            try {              long currentTimeout = Settings.System.getLong(                      mContext.getContentResolver(), SCREEN_OFF_TIMEOUT);              if (currentTimeout < 0 ) {                  Settings.System.putInt(mContext.getContentResolver(),                          SCREEN_OFF_TIMEOUT, 2147483646 );              }              currentTimeout = Settings.System.getLong(                      mContext.getContentResolver(), SCREEN_DREAM_TIMEOUT, - 1 );              if (currentTimeout < 0 ) {                  Settings.System.putInt(mContext.getContentResolver(),                          SCREEN_DREAM_TIMEOUT, 240000 );              }            } catch (SettingNotFoundException e) {              e.printStackTrace();          }      }        // 使能自动运行在后台service      private void initEnableRunningBackgroudComponents() {          Settings.Secure.putString(mContext.getContentResolver(),          Settings.Secure.ENABLE_RUNNING_BACKGROUD_COMPONENTS,          "android/system/com.android/com.mipt/com.skyworth/com.google.android/com.skydigital/com.sky/com.starcor.hunan/com.explorer/com.slanissue.tv.erge/eu.chainfire.perfmon" );      }        //开机自动运行      private void initEnableAutoRunningComponents() {          Settings.Secure.putString(mContext.getContentResolver(),          Settings.Secure.ENABLE_AUTO_LAUNCH_COMPONENTS,          "com.android/android/system/com.mipt/com.skyworth/com.mipt.metro.launcher/com.skydigital/com.sky/com.starcor.hunan" );      }      //开机Launcher      private void initLauncherComponents() {          Settings.Secure.putString(mContext.getContentResolver(),          Settings.Secure.ENABLE_LAUNCHER_COMPONENTS,          "com.mipt.metro.launcher" );      } }   </code>