Android Animation Toggle Effect

One: The entire app has fade effect 1: Define an animation file under the Anim folder

Accelerate_interpolator.xml

<span style= "FONT-SIZE:14PX;" ><?xml version= "1.0" encoding= "Utf-8"? ><accelerateinterpolator/></span>

Decelerate_interpolator.xml

<span style= "FONT-SIZE:14PX;" ><?xml version= "1.0" encoding= "Utf-8"? ><decelerateinterpolator/></span>

Fade_in.xml

<span style= "FONT-SIZE:14PX;" ><?xml version= "1.0" encoding= "Utf-8"? ><alpha xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:duration=" @android: Integer/config_longanimtime "    android:fromalpha=" 0.0 "    android: Interpolator= "@anim/decelerate_interpolator"    android:toalpha= "1.0"/></span>

Fade_out.xml

<span style= "FONT-SIZE:14PX;" ><?xml version= "1.0" encoding= "Utf-8"? ><alpha xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:duration=" @android: Integer/config_mediumanimtime "    android:fromalpha=" 1.0 "    Android : interpolator= "@anim/accelerate_interpolator"    android:toalpha= "0.0"/></span>

2: Define Styles.xml file

<span style= "FONT-SIZE:14PX;" ><resources xmlns:android= "Http://schemas.android.com/apk/res/android" >    <style name= " Appbasetheme "parent=" Android:Theme.Light "></style>    <style name=" Apptheme "parent=" Appbasetheme " >        <item name= "Android:windowanimationstyle" > @style/myanimation</item>    </style>    <style name= "myanimation" parent= "@android: style/animation.activity" >        <item name= "Android: Activityopenenteranimation "> @anim/fade_in</item>        <item name=" Android:activityopenexitanimation " > @anim/fade_out</item>        <item name= "android:activitycloseenteranimation" > @anim/fade_in</ item>        <item name= "android:activitycloseexitanimation" > @anim/fade_out</item>    </style ></resources></span>

3. Configure the theme under configuration files

<span style= "FONT-SIZE:14PX;" ><application        android:allowbackup= "true"        android:icon= "@drawable/ic_launcher"        android:label= "@string/app_name"        android:theme= "@style/apptheme" >        <activity            android:name= " Com.union.foodunion.WelcomeActivity "            android:label=" @string/app_name ">            <intent-filter>                <action android:name= "Android.intent.action.MAIN"/>                <category android:name= " Android.intent.category.LAUNCHER "/>            </intent-filter>        </activity></application> </span>

Two: single page with fade effectdefine the animation file under the Anim folder (IBID.), then add the code after finish () or startactivity () in actiivty:

<span style= "FONT-SIZE:14PX;" >overridependingtransition (r.anim.fade_in, R.anim.fade_out);</span>