Button top increase with multiple lines

Posted by NeTeInStEiN on Stack Overflow See other posts from Stack Overflow or by NeTeInStEiN
Published on 2010-12-30T00:40:22Z Indexed on 2010/12/30 0:54 UTC
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Some very very strange behaviour was appearing in my Android application.

I was extending Button to replace the standard. In my own button I set: - TextAppearence (text 16px, bold..) - BackgroundDrawable (to an selector that replaced the standard button, that used images of 60px) - Gravity: LEFT|CENTER_VERTICAL.

Whenever the text was enough to make the button have 2 text lines, if it had the property Gravity.CENTER_VERTICAL, a top padding would appear!

This kept me overflowing and googling for weeks... (set paddingTop, singleLine, and other simple solutions didn't work of course!)

Finally got the solution!!!

 @Override
 protected boolean setFrame(int l, int t, int r, int b) {
  int fixedTopSize = 5;
  return super.setFrame(l,fixedTopSize, r, b-t);
 }

By overriding this method on the extended Button finally i got it to work without the irritating top padding... still i don't understand why this happens.

Any ideia?

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