Android小功能集

避免我们的应用出现在最近任务栏(注:不是任务管理器)中出现

<!-- 添加属性 -->  android:excludeFromRecents="true"

获取手机上的安装的所有Home类别应用

//  private List<String> getHomes() {    //      List<String> packages = new ArrayList<String>();    //      PackageManager packageManager = mservice.getPackageManager();  //      Intent intent = new Intent(Intent.ACTION_MAIN);    //      intent.addCategory(Intent.CATEGORY_HOME);    //      List<ResolveInfo> resolveInfo = packageManager.queryIntentActivities(intent,    //              PackageManager.MATCH_DEFAULT_ONLY);  //      for(ResolveInfo info : resolveInfo){  //       packages.add(info.activityInfo.packageName);    //      }    //      return packages;    //  }

  HomeKeyEventBroadCastReceiver receiver = new HomeKeyEventBroadCastReceiver();    registerReceiver(receiver, new IntentFilter(      Intent.ACTION_CLOSE_SYSTEM_DIALOGS));

public class HomeKeyEventBroadCastReceiver extends  BroadcastReceiver{      static final String TAG = "HomeKeyEventBroadCastReceiver";      static final String SYSTEM_REASON = "reason";        static final String SYSTEM_HOME_KEY = "homekey";//home key        static final String SYSTEM_RECENT_APPS = "recentapps";//long home key                 @Override        public void onReceive(Context context, Intent intent) {            String action = intent.getAction();            if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) {                String reason = intent.getStringExtra(SYSTEM_REASON);                if (reason != null) {                    if (reason.equals(SYSTEM_HOME_KEY)) {                        // home key处理点                                        String pk = getCurrentPk(context);                                      Log.i(TAG, "pk:"+pk);                                         Log.i(TAG, "HOME KEY");                     } else if (reason.equals(SYSTEM_RECENT_APPS)) {                        // long home key处理点                   Log.i(TAG, "LONG HOME KEY");                  }                }            }        }           private String getCurrentPk(Context context){       ActivityManager mActivityManager = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);         List<RunningTaskInfo> rti = mActivityManager.getRunningTasks(1);       return rti.get(0).topActivity.getPackageName();   }    }

public  class PkInstallReceiver extends BroadcastReceiver {           @Override         public void onReceive(Context context, Intent intent) {                 if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED" )) {                String packageName = intent.getDataString().substring(8);              System.  out.println( "安装:" +packageName + "包名的程序" );          }             //接收卸载广播            if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED" )) {                String packageName = intent.getDataString().substring(8);                System.  out.println( "卸载:"  + packageName + "包名的程序" );              Intent newIntent =  new Intent();              newIntent.setClassName(packageName,packageName+  ".AutoStartProTestActivity" );                 newIntent.setAction(  "android.intent.action.MAIN");                             newIntent.addCategory(  "android.intent.category.LAUNCHER" );                             newIntent.setFlags(Intent.  FLAG_ACTIVITY_NEW_TASK);                    context.startActivity(newIntent);          }       }    }  AndroidManifest.xml进行配置       //receiver           <receiver android:name="com.justsy.lpi.receiver.PkInstallReceiver"                      android:label=" @string/app_name">                 <intent-filter>                 <action android:name="android.intent.action.PACKAGE_ADDED" />                <action android:name="android.intent.action.PACKAGE_REMOVED" />                 <data android:scheme="package" />               </intent-filter>            </receiver>       //permission        <uses-permission android:name= "android.permission.RESTART_PACKAGES" />       <uses-permission android:name= "android.permission.RECEIVE_BOOT_COMPLETED" />