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PORuntimeException: Unable to instantiate application
 

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    <p>When I run my application, everytime I am getting the below exception in my logcat:</p> <pre><code> 04-14 09:29:53.965: W/dalvikvm(1020): threadid=1: thread exiting with uncaught exception (group=0x409c01f8) 04-14 09:29:53.985: E/AndroidRuntime(1020): FATAL EXCEPTION: main 04-14 09:29:53.985: E/AndroidRuntime(1020): java.lang.RuntimeException: Unable to instantiate application android.app.Application: java.lang.NullPointerException 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.makeApplication(LoadedApk.java:482) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3938) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.access$1300(ActivityThread.java:123) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1185) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.os.Handler.dispatchMessage(Handler.java:99) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.os.Looper.loop(Looper.java:137) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.main(ActivityThread.java:4424) 04-14 09:29:53.985: E/AndroidRuntime(1020): at java.lang.reflect.Method.invokeNative(Native Method) 04-14 09:29:53.985: E/AndroidRuntime(1020): at java.lang.reflect.Method.invoke(Method.java:511) 04-14 09:29:53.985: E/AndroidRuntime(1020): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 04-14 09:29:53.985: E/AndroidRuntime(1020): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 04-14 09:29:53.985: E/AndroidRuntime(1020): at dalvik.system.NativeStart.main(Native Method) 04-14 09:29:53.985: E/AndroidRuntime(1020): Caused by: java.lang.NullPointerException 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:362) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.getClassLoader(LoadedApk.java:305) 04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.makeApplication(LoadedApk.java:474) 04-14 09:29:53.985: E/AndroidRuntime(1020): ... 11 more </code></pre> <p>Note: When I uninstall the app from the emulator and run it, then I don't get this exception but when I re-run the installed application in emulator, I am getting this. Please help.</p>
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    1. COif your package is android.app.Application ,try changing the package name ,kinda looks suspicious , looks like System's package.
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    2. COAlso make sure you app is declared in the Manifest.
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    3. COExpand out the Caused by: java.lang.NullPointerException line. There should be a reference to a line in your application further down the line
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      1. USZaid Daghestani
 

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