You are probably doing stuff in your constructor.  Don't do that, do your
initialization in onCreate().

On Sat, Dec 13, 2008 at 4:09 AM, Urig <gimelsht...@gmail.com> wrote:

>
> Hi everybody,
>
> I need help :)
>
> I have an Activity which tries to start a Service (in the same
> process).
> It never succeeds... I recieve the following NullPointerException
>
> 12-13 11:39:06.158: ERROR/AndroidRuntime(324): Uncaught handler:
> thread main exiting due to uncaught exception
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):
> java.lang.RuntimeException: Unable to instantiate service
> com.ex.LocalService: java.lang.NullPointerException
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.app.ActivityThread.handleCreateService(ActivityThread.java:
> 2321)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.app.ActivityThread.access$2800(ActivityThread.java:112)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1631)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.os.Handler.dispatchMessage(Handler.java:88)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.os.Looper.loop(Looper.java:123)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.app.ActivityThread.main(ActivityThread.java:3742)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> java.lang.reflect.Method.invokeNative(Native Method)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> java.lang.reflect.Method.invoke(Method.java:515)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
> (ZygoteInit.java:739)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> dalvik.system.NativeStart.main(Native Method)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324): Caused by:
> java.lang.NullPointerException
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.content.ContextWrapper.getSystemService(ContextWrapper.java:
> 323)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> com.ex.LocalService.<init>(LocalService.java:47)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> java.lang.Class.newInstance(Native Method)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     at
> android.app.ActivityThread.handleCreateService(ActivityThread.java:
> 2318)
> 12-13 11:39:06.178: ERROR/AndroidRuntime(324):     ... 10 more
>
> My onCreate method only calls the parent's onCreate.....
>
> the service is being started in the following way:
>
> startService(new Intent(MyActivity.this, LocalService.class));
>
> Any suggestions/ideas will make me very glad....
>
> Thanks in advance....
>
> >
>


-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support.  All such questions should be posted on public
forums, where I and others can see and answer them.

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