Android点击通知栏返回正在运行的Activity

  private static int App_Notification_ID_BASE = 911;

  private static PendingIntent appDIndent;

  private static NotificationManager appMange;

  private static Notification appNF;

/**

   * 在Activity  onCreate 中调用此方法

   * @param paramContext

   * @param paramClass

   */

 public void startAppNotification(Context paramContext, Class paramClass)

  {

    if (appMange == null)

    {

      appMange = (NotificationManager)getSystemService("notification");

      Intent localIntent = new Intent(this, paramClass);

      localIntent.setAction("android.intent.action.MAIN");

      localIntent.addCategory("android.intent.category.LAUNCHER");

      localIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);

      appDIndent = PendingIntent.getActivity(paramContext, 0, localIntent, 134217728);

      appNF = new Notification();      

      appNF.icon = 2130837545;

      appNF.tickerText = getResources().getString(2131099648);

      appNF.defaults = (0x1 | appNF.defaults);    //声音提醒 

      appNF.flags =  FLAG_ONGOING_EVENT ;  //设置清除不掉

      RemoteViews localRemoteViews = new RemoteViews(getPackageName(), 2130903046);

      appNF.contentView = localRemoteViews;

      appNF.contentIntent = appDIndent;

      appMange.notify(App_Notification_ID_BASE, appNF);

    }

  }

  startAppNotification(getApplicationContext(), WelcomeActivity.class);

 注意WelcomeActivity的android:launchMode要是标准模式