一个牛逼的页面动画(Spruce )

https://github.com/willowtreeapps/spruce-android

dependencies {
    compile 'com.willowtreeapps.spruce:spruce-android:1.0.1'
}

Animator spruceAnimator = new Spruce
        .SpruceBuilder(parentViewGroup)
        .sortWith(new DefaultSort(/*interObjectDelay=*/50L))
        .animateWith(animators)
        .start();