本文总结了作者在安卓开发过程中常用的几个动画特效，使用时将.xml文件放到res文件夹下的anim文件中。
push_left_in
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="3000"
android:fromXDelta="100.0%p"
android:toXDelta="-110.0"
/>
<alpha
android:duration="1000"
android:fromAlpha="0.0"
android:toAlpha="1.0"
/>
</set>
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缩放
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000" >
<scale
android:duration="1000"
android:fillAfter="false"
android:fromXScale="0.0"
android:fromYScale="0.0"
android:interpolator="@android:anim/accelerate_decelerate_interpolator"
android:pivotX="50%"
android:pivotY="50%"
android:repeatCount="5"
android:startOffset="1000"
android:toXScale="1.2"
android:toYScale="1.2" />
</set>
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透明
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000" >
<alpha
android:duration="3000"
android:fromAlpha="0.1"
android:toAlpha="1.0" />
</set>
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上位移
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000">
<translate android:fromXDelta="0"
android:toXDelta="0"
android:fromYDelta="200"
android:toYDelta="-30"
android:duration="1900"
/>
</set>
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右位移
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000">
<translate android:fromXDelta="-40"
android:toXDelta="40"
android:fromYDelta="10"
android:toYDelta="10"
android:duration="2000"
/>
</set>
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左位移
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000">
<translate android:fromXDelta="1"
android:toXDelta="40"
android:fromYDelta="10"
android:toYDelta="10"
android:duration="2000"
/>
</set>
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旋转
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:shareInterpolator="true"
android:startOffset="2000" >
<rotate
android:duration="1000"
android:fromDegrees="0"
android:interpolator="@android:anim/accelerate_decelerate_interpolator"
android:pivotX="50%"
android:pivotY="50%"
android:toDegrees="+360" />
</set>
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