/** * 判断某个界面是否在前台 * * @param context * @param className 某个界面名称 * */ public static boolean isActivityForeground(Context context, String className) { if (context == null || TextUtils.isEmpty(className)) { return false; } ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(1); if (list != null && list.size() > 0) { ComponentName cpn = list.get(0).topActivity; if (className.equals(cpn.getClassName())) { return true; } } return false; }
判断Activty是否在前台运行
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