单独的Activity在进入或者退出时设置动画效果

<style name="AnimatinThemeOut">
<item name="android:activityOpenExitAnimation">@anim/alpha_out</item>
<item name="android:activityCloseExitAnimation">@anim/alpha_out</item>
</style>

<style name="AnimatinThemeIn">
<item name="android:activityOpenEnterAnimation">@anim/scale_in</item>
<item name="android:activityCloseEnterAnimation">@anim/scale_in</item>
</style>

<activity
android:name=".ui.CreateSMSActivity"
android:theme="@style/Mms_CreateSMS_Style"
>

</activity>