在Android O上显示锁屏对话框

我能够在Oreo之前成功地在API的锁屏上添加一个对话框。谷歌似乎不再允许这个API中的标志

TYPE\u SYSTEM\u ERROR

有没有办法在Android O上的锁屏上显示对话框

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适用于

int flags = WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_DIM_BEHIND;

        int type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;

        WindowManager.LayoutParams windowLayoutParams = new WindowManager.LayoutParams(
                ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.MATCH_PARENT,
                0,
                0,
                type,
                flags,
                PixelFormat.RGBA_8888);

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你们都想出解决办法了吗？只是偶然发现了同样的问题