ScaleAnimation后如何获取View的新宽度和高度 [英] How to get the new width and height of View after ScaleAnimation

问题描述

我使用了ScaleAnimation来调整ImageView的大小.但是动画制作完成后，如何获得ImageView或其中的位图的尺寸. 谢谢

I used a ScaleAnimation to resize my ImageView. But after the animation is complete, how can I get the dimension of my ImageView or the bitmap in that. Thanks

这是我的代码:

ScaleAnimation animation = new ScaleAnimation(m_oldZoomRatio, m_currentZoomRatio, m_oldZoomRatio, m_currentZoomRatio);

        animation.setFillAfter(true);
        animation.setFillEnabled(true);
        animation.setAnimationListener(new AnimationListener() {

            public void onAnimationStart(Animation animation) {
            }

            public void onAnimationRepeat(Animation animation) {
            }

            public void onAnimationEnd(Animation animation) {
            }
        });
        m_child.startAnimation(animation);

m_oldZoomRatio != m_currentZoomRatio所在的位置.

我可以看到我的视图在运行时会更改其布局.但是，当获得其宽度和高度时，在创建视图时会收到原始值.

I can see my view changes its layout while running. But when get its width and height, I receive the value in original when the view is created.

推荐答案

尝试使用动画侦听器，在动画结束时可以更改宽度和高度

try to use animation listener where on animation end you can change the width and height

  <animation-object>.setAnimationListener(new AnimationListener() 
     {

        @Override
        public void onAnimationEnd(Animation arg0) {
            img.getWidth();
                img.getHeight();
                  //OR 
                 int h=img.getLayoutParams().height;
                 int w=img.getLayoutParams().width;
                // For changing actual height and width
             view.getLayoutParams().width = newWidth; 
               view.getLayoutParams().height =    newHeight; 
view.requestLayout();

        }

        @Override
        public void onAnimationRepeat(Animation arg0) {


        }

        @Override
        public void onAnimationStart(Animation arg0) {


        }

     });

这篇关于ScaleAnimation后如何获取View的新宽度和高度的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！