Android 在进行activity跳转时原生动画比较突兀,虽然google官方出了一个方法 overridePendingTransition(int enterAnim, intexitAnim),但经过实际的测试发现效果并不如人意,在跳转时前一个界面会出现运动到一半就变黑消失的情况,继而在寻找之后终于发现了一个比较有效的方法,就是自己写一个theme主题,将其中的动画的style继承自@android:style/Animation.Activity,实现具体方法如下
首先在res/anim下面新建4个xml文件,分别是
1.anim_enter.xml
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- <?xml version="1.0" encoding="UTF-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android"
- android:interpolator="@android:anim/decelerate_interpolator" >
- <scale
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromXScale="0.0"
- android:fromYScale="0.0"
- android:pivotX="69.99999%"
- android:pivotY="100.0%"
- android:toXScale="1.0"
- android:toYScale="1.0" />
- <alpha
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromAlpha="0.0"
- android:toAlpha="1.0" />
- </set>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5yc0VGcwlmbz9VZ2F2cvw1cldWYtl2LcRXZu5ibkN3Yuc2bsJmLjlGdhR3cvw1LcpDc0RHaiojIsJye.png)
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/decelerate_interpolator" >
<scale
android:duration="@android:integer/config_mediumAnimTime"
android:fromXScale="0.0"
android:fromYScale="0.0"
android:pivotX="69.99999%"
android:pivotY="100.0%"
android:toXScale="1.0"
android:toYScale="1.0" />
<alpha
android:duration="@android:integer/config_mediumAnimTime"
android:fromAlpha="0.0"
android:toAlpha="1.0" />
</set>
2.anim_exit.xml
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- <?xml version="1.0" encoding="UTF-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android"
- android:interpolator="@android:anim/accelerate_interpolator" >
- <scale
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromXScale="1.0"
- android:fromYScale="1.0"
- android:pivotX="69.99999%"
- android:pivotY="100.0%"
- android:toXScale="0.0"
- android:toYScale="0.0" />
- <alpha
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromAlpha="1.0"
- android:toAlpha="0.0" />
- </set>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5yc0VGcwlmbz9VZ2F2cvw1cldWYtl2LcRXZu5ibkN3Yuc2bsJmLjlGdhR3cvw1LcpDc0RHaiojIsJye.png)
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator" >
<scale
android:duration="@android:integer/config_mediumAnimTime"
android:fromXScale="1.0"
android:fromYScale="1.0"
android:pivotX="69.99999%"
android:pivotY="100.0%"
android:toXScale="0.0"
android:toYScale="0.0" />
<alpha
android:duration="@android:integer/config_mediumAnimTime"
android:fromAlpha="1.0"
android:toAlpha="0.0" />
</set>
3.back_enter.xml
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- <?xml version="1.0" encoding="UTF-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android"
- android:interpolator="@android:anim/decelerate_interpolator" >
- <scale
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromXScale="1.5"
- android:fromYScale="1.5"
- android:pivotX="50.0%"
- android:pivotY="50.0%"
- android:toXScale="1.0"
- android:toYScale="1.0" />
- <alpha
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromAlpha="0.4"
- android:toAlpha="1.0" />
- </set>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5yc0VGcwlmbz9VZ2F2cvw1cldWYtl2LcRXZu5ibkN3Yuc2bsJmLjlGdhR3cvw1LcpDc0RHaiojIsJye.png)
<?xml version="1.0" encoding="UTF-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/decelerate_interpolator" >
<scale
android:duration="@android:integer/config_mediumAnimTime"
android:fromXScale="1.5"
android:fromYScale="1.5"
android:pivotX="50.0%"
android:pivotY="50.0%"
android:toXScale="1.0"
android:toYScale="1.0" />
<alpha
android:duration="@android:integer/config_mediumAnimTime"
android:fromAlpha="0.4"
android:toAlpha="1.0" />
</set>
4.back_exit.xml
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- <set xmlns:android="http://schemas.android.com/apk/res/android"
- android:interpolator="@android:anim/decelerate_interpolator" >
- <scale
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromXScale="1.0"
- android:fromYScale="1.0"
- android:pivotX="50.0%"
- android:pivotY="50.0%"
- android:toXScale="0.4"
- android:toYScale="0.4" />
- <alpha
- android:duration="@android:integer/config_mediumAnimTime"
- android:fromAlpha="1.0"
- android:toAlpha="0.0" />
- </set>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5yc0VGcwlmbz9VZ2F2cvw1cldWYtl2LcRXZu5ibkN3Yuc2bsJmLjlGdhR3cvw1LcpDc0RHaiojIsJye.png)
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/decelerate_interpolator" >
<scale
android:duration="@android:integer/config_mediumAnimTime"
android:fromXScale="1.0"
android:fromYScale="1.0"
android:pivotX="50.0%"
android:pivotY="50.0%"
android:toXScale="0.4"
android:toYScale="0.4" />
<alpha
android:duration="@android:integer/config_mediumAnimTime"
android:fromAlpha="1.0"
android:toAlpha="0.0" />
</set>
然后在res/values/styles下面进行引用4个anim.xml文件
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- <style name="ThemeActivity" mce_bogus="1" parent="android:Theme.Light">
- <item name="android:windowAnimationStyle">@style/AnimationActivity</item>
- </style>
- <style name="AnimationActivity" mce_bogus="1" parent="@android:style/Animation.Activity">
- <item name="android:activityOpenEnterAnimation">@anim/anim_enter</item>
- <item name="android:activityOpenExitAnimation">@anim/anim_exit</item>
- <item name="android:activityCloseEnterAnimation">@anim/back_enter</item>
- <item name="android:activityCloseExitAnimation">@anim/back_exit</item>
- </style>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5yc0VGcwlmbz9VZ2F2cvw1cldWYtl2LcRXZu5ibkN3Yuc2bsJmLjlGdhR3cvw1LcpDc0RHaiojIsJye.png)
<style name="ThemeActivity" mce_bogus="1" parent="android:Theme.Light">
<item name="android:windowAnimationStyle">@style/AnimationActivity</item>
</style>
<style name="AnimationActivity" mce_bogus="1" parent="@android:style/Animation.Activity">
<item name="android:activityOpenEnterAnimation">@anim/anim_enter</item>
<item name="android:activityOpenExitAnimation">@anim/anim_exit</item>
<item name="android:activityCloseEnterAnimation">@anim/back_enter</item>
<item name="android:activityCloseExitAnimation">@anim/back_exit</item>
</style>
最后在AndroidManifest.xml下面的application里面的theme定义ThemeActivity
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- android:theme="@style/ThemeActivity"