如何得到xml中控件的宽高

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int w = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED);
int h = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED);
listView.measure(w,h);
int height = listView.getMeasuredHeight();
Log.e("ee","page1中listview的高:" + height);

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