类似QQ点赞的动画效果

<?xml version="1.0" encoding="utf-8"?>

<set xmlns:android="http://schemas.android.com/apk/res/android">

<scale

android:interpolator="@android:anim/accelerate_decelerate_interpolator"

android:fromXScale="1.0"

android:toXScale="1.5"

android:fromYScale="1.0"

android:toYScale="1.5"

android:pivotX="50%"

android:pivotY="50%"

android:fillAfter="false"

android:duration="300"/>

</set>