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POAndroid Widget + Service
 

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  1. POAndroid Widget + Service
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    <p>I'm having problems calling a class function from my Widget as the result of a service action.</p> <pre><code>public class HelloWidget extends AppWidgetProvider { @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { Intent intent = new Intent(context, NeoService.class); context.startService(intent); MyClass mClass = new MyClass(context, appWidgetManager); mClass.doUpdate(); super.onUpdate(context, appWidgetManager, appWidgetIds); } } </code></pre> <p>The call to mClass.doUpdate() above works just fine. But then when I try to do it again in my onReceive it doesn't work and I get a forceclose as soon as the correct action is received:</p> <pre><code>@Override public void onReceive(Context context, Intent intent) { if(Intent.ACTION_TIME_TICK.equals(action)) { mTime.doUpdate(); // Toast.makeText(context, "TicK Tock!", Toast.LENGTH_LONG).show(); } } </code></pre> <p>If I comment out the mTime.doUpdate(); and uncomment the Toast it displays the toast just fine as it should.</p> <p>Edit: The error message I get is as follows:</p> <pre><code>11-18 18:25:00.201: ERROR/AndroidRuntime(2759): FATAL EXCEPTION: main 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): java.lang.RuntimeException: Error receiving broadcast Intent { act=android.intent.action.TIME_TICK flg=0x40000004 (has extras) } in de.thesmile.android.widget.HelloWidget@48411298 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.app.ActivityThread$PackageInfo$ReceiverDispatcher$Args.run(ActivityThread.java:905) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.os.Handler.handleCallback(Handler.java:587) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.os.Handler.dispatchMessage(Handler.java:92) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.os.Looper.loop(Looper.java:123) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.app.ActivityThread.main(ActivityThread.java:4627) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at java.lang.reflect.Method.invokeNative(Native Method) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at java.lang.reflect.Method.invoke(Method.java:521) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at dalvik.system.NativeStart.main(Native Method) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): Caused by: java.lang.NullPointerException 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at de.thesmile.android.widget.HelloWidget.onReceive(HelloWidget.java:45) 11-18 18:25:00.201: ERROR/AndroidRuntime(2759): at android.app.ActivityThread$PackageInfo$ReceiverDispatcher$Args.run(ActivityThread.java:892) </code></pre>
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    1. USOctavian Damiean
    1. USHamid
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    1. COUse `adb logcat`, DDMS, or the DDMS perspective in Eclipse to examine LogCat and look at the stack trace associated with your "forceclose". Also, please bear in mind that `doUpdate()` and `doDaUpdate()` are not the same method.
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      1. USCommonsWare
    2. COSorry my bad, they are both named the same, the "Da" doesn't belong there. I am having problems in that I can't get my Galaxy Tab to report itself as "Debug" capable so I can't step through the program to find problems. Have tried all things today to no avail.
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      1. USHamid
 

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