ViewGroup.MarginLayoutParams layoutParams=(ViewGroup.MarginLayoutParams)surfacev.getLayoutParams();
layoutParams.width=tw;
layoutParams.height=th;
layoutParams.leftMargin=left;
layoutParams.topMargin=top;

handler.post(new Runnable() {
? ?@Override
? ?public void run() {
? ? ? ?surfacev.setLayoutParams(layoutParams);
? ? ? ?surfacev.requestLayout();? //這個(gè)找了半天才知道。原來這個(gè)要寫?。?！
? ?}
});