android 判斷當前應用是否處於活動狀態 .

來源:互聯網
上載者:User
public boolean isAction(final Context context) {
      ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
      List<RunningTaskInfo> tasks = am.getRunningTasks(1);
      if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (topActivity.getPackageName().equals(context.getPackageName())) {
                  return true;
            }
      }
    return false;
} public boolean isAction(final Context context) {
      ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
      List<RunningTaskInfo> tasks = am.getRunningTasks(1);
      if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (topActivity.getPackageName().equals(context.getPackageName())) {
                  return true;
            }
      }
    return false;
}
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