View如何方便的setWidth/Height及getWidt

先新建一个类ViewWrapper：

public class ViewWrapper {
    
    private View mTargetView;
    
    public ViewWrapper(View target) {
        mTargetView = target;
    }
    
    public int getWidth() {
        return mTargetView.getLayoutParams().width;
    }
    
    public int getHeight() {
        return mTargetView.getLayoutParams().height;
    }
    
    public void setWidth(int width) {
        mTargetView.getLayoutParams().width = width;
        mTargetView.requestLayout();
    }
    
    public void setWidth(float width) {
        mTargetView.getLayoutParams().width = (int) width;
        mTargetView.requestLayout();
    }
    
    public void setHeight(int height) {
        mTargetView.getLayoutParams().height = height;
        mTargetView.requestLayout();
    }
    
    public void setHeight(float height) {
        mTargetView.getLayoutParams().height = (int) height;
        mTargetView.requestLayout();
    }
}

然后使用：

ViewWrapper vw = new ViewWrapper(你的View);
vw.setWidth(宽度值);

//其他操作类似

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