获取Android控件的真实宽高，亲测有效

来源：互联网发布：手机底部导航栏源码编辑：程序博客网时间：2024/06/05 09:49

//方法1int w = View.MeasureSpec.makeMeasureSpec(0,        View.MeasureSpec.UNSPECIFIED);int h = View.MeasureSpec.makeMeasureSpec(0,        View.MeasureSpec.UNSPECIFIED);imageView.measure(w, h);int height = imageView.getMeasuredHeight();int width = imageView.getMeasuredWidth();
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//方法2ViewTreeObserver vto = imageView.getViewTreeObserver();vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {    public boolean onPreDraw() {        vto.removeOnPreDrawListener(this);        int height = imageView.getMeasuredHeight();        int width = imageView.getMeasuredWidth();        return true;    }});
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//方法3ViewTreeObserver vto = imageView.getViewTreeObserver();vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {    @Override    public void onGlobalLayout() {        imageView.getViewTreeObserver().removeGlobalOnLayoutListener(this);        imageView.getHeight();        imageView.getWidth();    }});

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