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PONotFoundException and FileNotFoundException when running app on Android 1.5
 

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  1. PONotFoundException and FileNotFoundException when running app on Android 1.5
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    <p>I'm trying to backport an android 1.6+ application to android 1.5.</p> <p>Following the advice here:</p> <ul> <li><a href="http://comments.gmane.org/gmane.comp.handhelds.android.devel/97051" rel="nofollow noreferrer">http://comments.gmane.org/gmane.comp.handhelds.android.devel/97051</a></li> <li><a href="http://groups.google.com/group/android-developers/browse_thread/thread/ff22f6e42a4a46d2/4201a20aaa23069d" rel="nofollow noreferrer">http://groups.google.com/group/android-developers/browse_thread/thread/ff22f6e42a4a46d2/4201a20aaa23069d</a></li> <li><a href="https://stackoverflow.com/questions/2923823/android-2-2-sdk-breaks-compatibility-with-older-phones">Android 2.2 SDK breaks compatibility with older phones</a></li> <li><a href="https://developer.android.com/guide/topics/resources/providing-resources.html#ScreenCompatibility" rel="nofollow noreferrer">https://developer.android.com/guide/topics/resources/providing-resources.html#ScreenCompatibility</a></li> </ul> <p>... I have done the following:</p> <ol> <li>Modify AndroidManifest.xml to set minSdkVersion to 3</li> <li>Move all of my files that were previously in drawable-mdpi/ to drawable/</li> <li>Rename drawable-hdpi/ to drawable-hdpi-v4/</li> </ol> <p>It seems to me that this should ensure that 1.5 devices use the files in drawable/ while 1.6 and later devices use the files in drawable/ and drawable-hdpi-v4/ as appropriate. The drawable/ and drawable-hdpi-v4/ directories are the only drawable directories in my res folder.</p> <p>However, after I compile, install, and run the resulting binary on the 1.5 emulator, I get the following error:</p> <pre><code>E/AndroidRuntime( 1096): Caused by: java.lang.reflect.InvocationTargetException E/AndroidRuntime( 1096): at android.widget.ImageView.&lt;init&gt;(ImageView.java:103) E/AndroidRuntime( 1096): at java.lang.reflect.Constructor.constructNative(Native Method) E/AndroidRuntime( 1096): at java.lang.reflect.Constructor.newInstance(Constructor.java:446) E/AndroidRuntime( 1096): at android.view.LayoutInflater.createView(LayoutInflater.java:499) E/AndroidRuntime( 1096): ... 26 more E/AndroidRuntime( 1096): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/bg.png from drawable resource ID #0x7f02002e E/AndroidRuntime( 1096): at android.content.res.Resources.loadDrawable(Resources.java:1641) E/AndroidRuntime( 1096): at android.content.res.TypedArray.getDrawable(TypedArray.java:548) E/AndroidRuntime( 1096): at android.widget.ImageView.&lt;init&gt;(ImageView.java:113) E/AndroidRuntime( 1096): ... 30 more E/AndroidRuntime( 1096): Caused by: java.io.FileNotFoundException: res/drawable/bg.png E/AndroidRuntime( 1096): at android.content.res.AssetManager.openNonAssetNative(Native Method) E/AndroidRuntime( 1096): at android.content.res.AssetManager.openNonAsset(AssetManager.java:392) E/AndroidRuntime( 1096): at android.content.res.Resources.loadDrawable(Resources.java:1634) E/AndroidRuntime( 1096): ... 32 more </code></pre> <p>For reasons I don't understand, 1.5 devices are not able to see the bg.png image file, a version of which is in both the drawable/ and drawable-hdpi-v4/ directories.</p> <p>Running the same binary works fine on 1.6.</p> <p>Why won't 1.5 devices see my res/drawable/bg.png image with this setup?</p> <p><strong>UPDATE:</strong> As described in <a href="https://developer.android.com/guide/topics/resources/providing-resources.html#ScreenCompatibility" rel="nofollow noreferrer">Providing screen resource compatibility for Android 1.5</a>, I'm using Android SDK r6 and have put my mdpi resources in the drawable/ directory. Also, I've verified that the problem isn't isolated to bg.png. If I remove the reference to the broken drawable in my xml, the app breaks on the next and each subsequent graphic during setContentView().</p>
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