android Difference between handler.postAtTime and handler.postDelayed
Please tell me the difference between handler.postAtTime and handler.postDelayed in android.And         also please guide me when to use handler.postAtTime and when to use handler.postDelayed.
android Difference between handler.postAtTime and handler.postDelayed
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Please tell me the difference between handler.postAtTime and handler.postDelayed in android.And         also please guide me when to use handler.postAtTime and when to use handler.postDelayed.