viewY轴旋转动画

/**
 * 自定义Y轴旋转动画
 */
public class ViewYAnimation extends Animation {
    int centerX, centerY;
    Camera camera = new Camera();

    /**
     * 获取坐标，定义动画时间
     * @param width
     * @param height
     * @param parentWidth
     * @param parentHeight
     */
    @Override
    public void initialize(int width, int height, int parentWidth, int parentHeight) {
        super.initialize(width, height, parentWidth, parentHeight);
        //获得中心点坐标
        centerX = width / 2;
        centerY = width / 2;
        //动画执行时间 自行定义
        setDuration(2 * 300);
        setInterpolator(new DecelerateInterpolator());
    }

    /**
     * 旋转的角度设置
     * @param interpolatedTime
     * @param t
     */
    @Override
    protected void applyTransformation(float interpolatedTime, Transformation t) {
        final Matrix matrix = t.getMatrix();
        camera.save();
        //中心是Y轴旋转，这里可以自行设置X轴 Y轴 Z轴
        camera.rotateY(360 * interpolatedTime);
        //把我们的摄像头加在变换矩阵上
        camera.getMatrix(matrix);
        //设置翻转中心点
        matrix.preTranslate(-centerX, -centerY);
        matrix.postTranslate(centerX,centerY);
        camera.restore();
    }
}

mViewYAnimation = new ViewYAnimation();
mViewYAnimation.setRepeatCount(Animation.INFINITE);//循环
ivDemolition.startAnimation(mViewYAnimation);//开始Y轴动画 ivDemolition是view