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I have a media player to play mp3 file and a text view show content of song mp3. Now i want text view can scroll vertical when mp3 run. How I can do it?

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Just set the

android:maxLines = "AN_INTEGER" android:scrollbars = "vertical"

properties of your TextView in your layout's xml file.

Then use:

yourTextView.setMovementMethod(new ScrollingMovementMethod());

for more detail and reference visit this : Making TextView scrollable on Android

Hope this will help you.

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how i can set it auto scroll?

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