判断APP是否运行在前台

来源：互联网发布：大数据时代 txt 久久编辑：程序博客网时间：2024/06/05 15:23

 /**     * @param context     * @return     */    public static boolean isBackground(Context context) {        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);        List<ActivityManager.RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses();        for (ActivityManager.RunningAppProcessInfo appProcess : appProcesses) {            if (appProcess.processName.equals(context.getPackageName())) {                if (appProcess.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {                    System.out.print(String.format("Foreground App:", appProcess.processName));                    return false;                } else {                    System.out.print("Background App:" + appProcess.processName);                    return true;                }            }        }        return false;    }

最近做推送消息处理的处理的时候，点击通知需要跳转到指定界面，这时候需要判断APP 是否运行在前台，就找到了这个方法
返回true的时候是运行在前台

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