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POLoading animation from xml fails on Android 1.5: "Unknown interpolator name: set". How to fix?
 

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  1. POLoading animation from xml fails on Android 1.5: "Unknown interpolator name: set". How to fix?
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    <p>I have an animation specified in xml like this:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;set xmlns:android="http://schemas.android.com/apk/res/android"&gt; · &lt;translate android:fromXDelta="0" android:toXDelta="100%p" android:duration="300" android:interpolator="@android:anim/anticipate_overshoot_interpolator" /&gt; · &lt;alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="300" /&gt; &lt;/set&gt; </code></pre> <p>This file is res/anim/push_right_in.xml</p> <p>Then in Java code I try to load it like this:</p> <pre><code>mAnimationRightIn = AnimationUtils.loadAnimation(this, R.anim.push_right_in); </code></pre> <p>It works perfectly fine on 1.6, 2.1, 2.2, but throws an exception on 1.5:</p> <pre><code>clock.ClockSelectActivity}: java.lang.RuntimeException: Unknown interpolator name: set E/AndroidRuntime( 682): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2268) E/AndroidRuntime( 682): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284) E/AndroidRuntime( 682): at android.app.ActivityThread.access$1800(ActivityThread.java:112) E/AndroidRuntime( 682): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692) E/AndroidRuntime( 682): at android.os.Handler.dispatchMessage(Handler.java:99) E/AndroidRuntime( 682): at android.os.Looper.loop(Looper.java:123) E/AndroidRuntime( 682): at android.app.ActivityThread.main(ActivityThread.java:3948) E/AndroidRuntime( 682): at java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime( 682): at java.lang.reflect.Method.invoke(Method.java:521) E/AndroidRuntime( 682): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) E/AndroidRuntime( 682): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) E/AndroidRuntime( 682): at dalvik.system.NativeStart.main(Native Method) E/AndroidRuntime( 682): Caused by: java.lang.RuntimeException: Unknown interpolator name: set E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.createInterpolatorFromXml(AnimationUtils.java:321) E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.loadInterpolator(AnimationUtils.java:270) E/AndroidRuntime( 682): at android.view.animation.Animation.setInterpolator(Animation.java:290) E/AndroidRuntime( 682): at android.view.animation.Animation.&lt;init&gt;(Animation.java:213) E/AndroidRuntime( 682): at android.view.animation.TranslateAnimation.&lt;init&gt;(TranslateAnimation.java:54) E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:115) E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:107) E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:84) E/AndroidRuntime( 682): at android.view.animation.AnimationUtils.loadAnimation(AnimationUtils.java:64) E/AndroidRuntime( 682): at com.the7art.rockclock.ClockSelectActivity.onCreate(ClockSelectActivity.java:46) E/AndroidRuntime( 682): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) E/AndroidRuntime( 682): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231) E/AndroidRuntime( 682): ... 11 more </code></pre> <p>Any idea on what causes this and how to fix? I checked some examples xml-defined animations in Android's API samples and they contain almost the same code, with different parameters, so I guess it really should work. </p> <p>I see one way would be to stop defining them in xml and create animations in code, but I'd like to know if there is a way to still do it in xml :)</p>
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