基本属性动画

				 //横向平移
                ObjectAnimator translationX = new ObjectAnimator().ofFloat(imageView,"translationX",0,0);
                //垂直平移
                ObjectAnimator translationY = new ObjectAnimator().ofFloat(imageView,"translationY",0,500f);
                //旋转
                ObjectAnimator ra = ObjectAnimator.ofFloat(imageView,"rotation", 0f, 360f);
                //缩放
                ObjectAnimator scaleX = ObjectAnimator.ofFloat(imageView, "scaleX", 0, 1f);
                ObjectAnimator scaleY = ObjectAnimator.ofFloat(imageView, "scaleY", 0, 1f);
                //渐变
                ObjectAnimator anim = ObjectAnimator.ofFloat(imageView, "alpha", 1f, 0.1f,1f, 0.5f, 1f);

                AnimatorSet animatorSet = new AnimatorSet(); //组合动画
                animatorSet.playTogether(translationX,translationY,ra,scaleX,scaleY,anim); //设置动画
                animatorSet.setDuration(3000);  //设置动画时间
                animatorSet.start(); //启动
                //设置动画的监听事件
                animatorSet.addListener(new AnimatorListenerAdapter() {
                    @Override
                    //终止
                    public void onAnimationCancel(Animator animation) {
                        super.onAnimationCancel(animation);
                    }

                    @Override
                    //结束
                    public void onAnimationEnd(Animator animation) {
                        super.onAnimationEnd(animation);
                        Intent intent = new Intent(SplashActivity.this,MainActivity.class);
                        startActivity(intent);
                    }

                    @Override
                    //重复
                    public void onAnimationRepeat(Animator animation) {
                        super.onAnimationRepeat(animation);
                    }

                    @Override
                    //开始
                    public void onAnimationStart(Animator animation) {
                        super.onAnimationStart(animation);
                    }
                });