<?xml version="1.0" encoding="utf-8"?><!-- 左上角扩大-->
<scale xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="300"
    android:fromXScale="0.001"
    android:fromYScale="0.001"
    android:interpolator="@android:anim/accelerate_decelerate_interpolator"
    android:pivotX="100%"
    android:pivotY="10%"
    android:toXScale="1.0"
    android:toYScale="1.0" />