Attacher.java 文件源码

@Override public void run() {

            DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
            if (draweeView == null) {
                return;
            }

            float t = interpolate();
            float scale = mZoomStart + t * (mZoomEnd - mZoomStart);
            float deltaScale = scale / getScale();

            onScale(deltaScale, mFocalX, mFocalY);

            if (t < 1f) {
                postOnAnimation(draweeView, this);
            }
        }