TranslateAnimation animation was covered live outside linearlayout

As illustrated, the blue box is 3 linearlayout, test button above the button will move downward slant, but later moved to two other layout will be covered live, how could he not obscured ah?
Such codes are

 
Button b = (Button) findViewById (R.id.ggg); 
Animation translateAnimation = new TranslateAnimation (0, 200, 0, 100); 
translateAnimation.setDuration (2000); 
AnimationSet anSet = new AnimationSet (false); 
anSet.addAnimation (translateAnimation); 
b.startAnimation (anSet); 

Reply:
Will not hide the button layout where the locale fill_pqrent ah or set a relatively large width


Replace or modify the layout framelayout borrow enough space on the line
Reply:
The same problem, I ask you solve it?