您可以在视图树上设置全局布局侦听器,然后在那里进行操作.
final ViewTreeObserver vto = myView.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
public void onGlobalLayout() {
// do layout tweaking based on measurements
// remove the listener... or we'll be doing this a lot.
vto.removeGlobalOnLayoutListener(this);
}
}
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