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I wan that same in my android application that text changes after some time

For this i use count down timer to introduce delay between the text view changes. but it doesnt work.
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Also have you tried anything yet..
It can simply be achieved by a TimerTask repeating in desired interval,, In which the textView .setText(new value).
If you desire exact view as shown than the TextView width and height would be wrap content with text color white and background color black.