描述你的问题自己做的应用如何在锁屏及顶部悬浮显示收到的信息，需要什么权限还是怎么做？就像qq、微信一样在收到好友来信时屏幕顶部会悬浮一个来信提示且自动消失。
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已经尝试过哪些方法仍然没解决（附上相关链接）
ringa_lee
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I think what you need is the notification bar notification messageAndroid Notification
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Are you asking a question or answering your own question?
I think what you need is the notification bar notification message
Android Notification