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POBuilding a 9 patch drawable at runtime
 

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    <p>I am successfully building a 9patch drawable at runtime on Android 3.0+ using the excellent gist provided by Brian Griffey (found <a href="https://gist.github.com/briangriffey/4391807/6d4205d9be888bb57e8441dc6fabb898bddc0fb1" rel="nofollow noreferrer">here</a>).</p> <p>Essentially I load the raw (no patches) graphic file from the network and the filename contains the cap insets that I need to use in order to scale the image accordingly. I then use these values with the class found above and apply the image as a background to a variety of elements (such as <code>TextView</code>, <code>ImageButton</code>, <code>Button</code>, <code>ViewGroup</code>, etc).</p> <p>This works perfectly as you can see here:</p> <p><img src="https://i.stack.imgur.com/KFiP6.png" alt="Android 3.0+ result"></p> <p>However, running the same code on Android 2.3.x yields the result:</p> <p><img src="https://i.stack.imgur.com/rlLQ8.png" alt="Android 2.x result"></p> <p>I've looked through the source code used in Android to parse a 9patch image (<a href="https://github.com/android/platform_frameworks_base/blob/master/include/androidfw/ResourceTypes.h#L45-L103" rel="nofollow noreferrer">here</a> and <a href="https://android.googlesource.com/platform/packages/apps/Gallery2/+/c2c0b01fbbf243eee1a11c33ba6dd1ce918a9ce5/src/com/android/gallery3d/ui/NinePatchChunk.java" rel="nofollow noreferrer">here</a>) but have found no method of getting this to work correctly. I've tried just about everything I could throw at it to no avail.</p> <p>For the record, the 9patch consists of three columns on each axis, one fixed, one stretchable and one fixed.</p> <p>Here's hoping someone else has solved this problem before.</p> <p>Thanks in advance.</p> <p><strong>EDIT</strong> I am only interested in duplicating this behavior on Android 2.3 and above (I originally had 2.x).</p> <p><strong>EDIT #2</strong> This gist describes <a href="https://gist.github.com/deleet/f1f3ed7d3fd9ce7c3a78" rel="nofollow noreferrer">exactly what I'm trying to do</a> + Source image: <img src="https://i.stack.imgur.com/j8CE6.png" alt="source image"></p> <p><strong>EDIT #3</strong> The size of the image is 22px/58px (width/height) and the insets are 14/6/14/6 (top/left/bottom/right).</p>
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    1. COHow do you apply the generated 9patch?
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    2. CO@mr_archano I use the class in the gist above and pass it cap insets that match the scalable portions of the image I want to display. This generates a `NinePatchDrawable` that I then set as a background to the `TextView`.
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    3. COOk I see. I was just wondering if `Drawable.setBounds()` is someway related to this issue.
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