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POHow to get Bitmap from android's default resource?
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  1. POHow to get Bitmap from android's default resource?
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    copied!<p>Hi I am doing this using this way</p> <pre><code>Bitmap bm = BitmapFactory.decodeResource(getResources(), android.R.drawable.list_selector_background); int c = bm.getPixel(bm.getWidth()/2, bm.getHeight()/2); </code></pre> <p>but bm is <code>null</code> as gives <code>NullPointerException</code> at second line.</p> <p>Error:</p> <pre><code>02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.ActivityThread.access$600(ActivityThread.java:123) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.os.Handler.dispatchMessage(Handler.java:99) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.os.Looper.loop(Looper.java:137) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.ActivityThread.main(ActivityThread.java:4424) 02-12 18:29:57.568: E/AndroidRuntime(5086): at java.lang.reflect.Method.invokeNative(Native Method) 02-12 18:29:57.568: E/AndroidRuntime(5086): at java.lang.reflect.Method.invoke(Method.java:511) 02-12 18:29:57.568: E/AndroidRuntime(5086): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 02-12 18:29:57.568: E/AndroidRuntime(5086): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 02-12 18:29:57.568: E/AndroidRuntime(5086): at dalvik.system.NativeStart.main(Native Method) 02-12 18:29:57.568: E/AndroidRuntime(5086): Caused by: java.lang.NullPointerException 02-12 18:29:57.568: E/AndroidRuntime(5086): at com.example.showhide.MainActivity.onCreate(MainActivity.java:38) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.Activity.performCreate(Activity.java:4465) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 02-12 18:29:57.568: E/AndroidRuntime(5086): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920) </code></pre>
 

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