属性动画

ObjectAnimator objectAnimator = ObjectAnimator.ofFloat(image_guidance,"alpha",0,0,0,0);objectAnimator.setDuration(2000);//开始objectAnimator.start();//监听事件objectAnimator.addListener(new Animator.AnimatorListener() {    @Override    public void onAnimationStart(Animator animation) {    }    @Override    public void onAnimationEnd(Animator animation) {        startActivity(new Intent(MainActivity.this, SplashActivity.class));        finish();    }    @Override    public void onAnimationCancel(Animator animation) {    }    @Override    public void onAnimationRepeat(Animator animation) {    }});