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android 判斷activity是否在最上層

private boolean isTopActivity()
    {
        boolean isTop = false;
        ActivityManager am = (ActivityManager)getSystemService(ACTIVITY_SERVICE);
        ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
        DebugLog.d(TAG, "isTopActivity = " + cn.getClassName());
        if (cn.getClassName().contains(TAG))
        {
            isTop = true;
        }
        DebugLog.d(TAG, "isTop = " + isTop);
        return isTop;
    }

最後更新：2017-04-03 14:53:58

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