/** *判断当前应用程序处于前台还是后台,后台为true */ public static boolean isApplicationBroughtToBackground(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; }
原文地址:http://blog.csdn.net/u012527802/article/details/43267909