Text message show alert

How an alert dialog can be open when accessing the text message in android? I am running a service in the background, when ever user access the text message some alert I need to show? How this can be achieved?开发者_运维问答 Please help me...

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Where do you show text message? In the activity?

If yes, then in the method onResume() show dialog.

Or try to ask more explicit question, telepaths are on the vacation.

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its not possible. Can able listen only on incoming or outgoing text message. Thanks for your support friends.