安卓控件隐藏和出现动画

mShowAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
-1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
mShowAction.setDuration(500);

mHiddenAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF,
0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
1.0f);
mHiddenAction.setDuration(500);

view.startAnimation(mShowAction);
view.setVisibility(View.VISIBLE);

view.startAnimation(mHiddenAction);
view.setVisibility(View.GONE);