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PO
 

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    <p>It's a bit hard to tell the transition you are trying to attempt between those two images. So you want to start with the B/W image, but does it transition from B/W to Color by cross-fading, or do you slowly want to apply pieces of the color image from the bottom up over the B/W piece?</p> <p>If the latter is your choice, then your actual image will comprise of two drawables together inside a <code>&lt;layer-list&gt;</code>. One static, and the other representing a <code>ClipDrawable</code> that will reveal a portion of the color image based on its level value. For example, create an XML file:</p> <p><strong>res/drawable/progress_background.xml</strong></p> <pre><code>&lt;layer-list xmlns:android="http://schemas.android.com/apk/res/android" &gt; &lt;item&gt; &lt;bitmap android:src="@drawable/ic_launcher_bw"/&gt; &lt;/item&gt; &lt;item&gt; &lt;clip android:clipOrientation="vertical" android:gravity="bottom" android:drawable="@drawable/ic_launcher"/&gt; &lt;/item&gt; &lt;/layer-list&gt; </code></pre> <p>Then set that <code>Drawable</code> on something like an <code>ImageView</code> to display the progress, and change the value with calls to <code>setLevel()</code>, i.e.</p> <pre><code>//This is any view subclass that you have chosen to do this ImageView progress; progress.setImageResource(R.drawable.progress_background); //Adjust the progress by adjusting the drawable's level progress.setImageLevel(500); // -- OR -- progress.getDrawable().setLevel(500); </code></pre> <p>Drawable levels are set by default from 0 to 10,000 to represent fully clipped to fully revealed.</p> <p>HTH</p>
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    1. COyou nailed it i want the latter choice (like God of War loading screen in their website). I will definitely try your suggestion thanks a lot
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      1. USwindwaker
    2. COI am facing a problem. In a test activity i am using a single imageview and using the progress_background.xml as you defined above. After setting the setImageResource and setting the setlevel to a static 6000 i am getting a blank screen .No trace of any image.Now if i remove the static "flame_bw" from the progress_background.xml and keep only one item then i am able to see a clipped image. No idea why it is not showing anything when using 2 items :(
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    3. COI noticed a small bug in my XML that may have tripped you up. The `<bitmap>` tag requires a `src` attribute as opposed to a `drawable` attribute. Also, I made note of the fact that you will want to use the `gravity` attribute as well to make it come from the bottom. By default it reveals from the center. Answer has been edited.
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