如何使用“ android.animation”包为平板电脑创建基本的图像动画

android.view

android.animation

ValueAnimator

ObjectAnimator

view.animation

fromAlpha, toAlpha...

ValueAnimator fadeAnim = ObjectAnimator.ofFloat(newBall, \"alpha\", 1f, 0f);
        fadeAnim.setDuration(250);
        fadeAnim.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                balls.remove(((ObjectAnimator)animation).getTarget());

            }
        });

ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
anim.setDuration(500);
anim.start();

ValuAnimator

ObjectAnimator