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POSimple tween animation example
 

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    <p>I'm trying to implement the "hyperspace" tween animation described at <a href="http://developer.android.com/guide/topics/resources/animation-resource.html">http://developer.android.com/guide/topics/resources/animation-resource.html</a> ("Animation Resources") - however it does not seem to work as written. When I run the application, I just get a blank view below the application title bar. What am I doing wrong? </p> <p>Per the example, here is my code. I've created res/anim/hyperspace_jump.xml:</p> <pre><code>&lt;set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="false"&gt; &lt;scale android:interpolator="@android:anim/accelerate_decelerate_interpolator" android:fromXScale="1.0" android:toXScale="1.4" android:fromYScale="1.0" android:toYScale="0.6" android:pivotX="50%" android:pivotY="50%" android:fillAfter="false" android:duration="700" /&gt; &lt;set android:interpolator="@android:anim/accelerate_interpolator" android:startOffset="700"&gt; &lt;scale android:fromXScale="1.4" android:toXScale="0.0" android:fromYScale="0.6" android:toYScale="0.0" android:pivotX="50%" android:pivotY="50%" android:duration="400" /&gt; &lt;rotate android:fromDegrees="0" android:toDegrees="-45" android:toYScale="0.0" android:pivotX="50%" android:pivotY="50%" android:duration="400" /&gt; &lt;/set&gt; &lt;/set&gt; </code></pre> <p>I've also created a layout/main.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /&gt; &lt;ImageView android:id="@+id/ImageView01" android:layout_width="wrap_content" android:layout_height="wrap_content"&gt;&lt;/ImageView&gt; &lt;/LinearLayout&gt; </code></pre> <p>Finally I have an activity:</p> <pre><code>package com.tomoreilly.geology; import android.app.Activity; import android.os.Bundle; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.ImageView; public class MainActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ImageView image = (ImageView) findViewById(R.id.ImageView01); Animation hyperspaceJump = AnimationUtils.loadAnimation(this, R.anim.hyperspace_jump); image.startAnimation(hyperspaceJump); } } </code></pre> <p>Yet I do not see any animation when I run the app. Am I missing some detail that is not covered in the "Animation Resources" example?</p> <p>Thanks, Tom</p>
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