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In my app I am sending an intent to update an appWidget. The problem is, from the logcat I can see that the intent is taking on average ten seconds to be received. 

 05-16 18:12:54.070: DEBUG/PHCA_Variable(7580): Broadcast sent  
 05-16 18:12:54.080: INFO/ActivityManager(274): Starting: Intent { flg=0x10000000 cmp=com.skipmorrow.phca/.WidgetDialogResponseActivity (has extras) } from pid 7580    
 05-16 18:12:54.100: WARN/ActivityManager(274): Trying to launch com.skipmorrow.phca/.WidgetDialogResponseActivity  
 05-16 18:12:54.170: DEBUG/InputTransport(274): Input channel constructed: name='40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (server)', ashmemFd=299, receivePipeFd=311, sendPipeFd=310   
 05-16 18:12:54.170: DEBUG/InputTransport(274): Input channel constructed: name='40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (client)', ashmemFd=304, receivePipeFd=309, sendPipeFd=313   
 05-16 18:12:54.170: DEBUG/InputTransport(274): Input channel destroyed: name='40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (client)', ashmemFd=304, receivePipeFd=309, sendPipeFd=313 
 05-16 18:12:54.180: DEBUG/InputTransport(7580): Input channel constructed: name='40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (client)', ashmemFd=66, receivePipeFd=67, sendPipeFd=68 
 05-16 18:12:54.460: INFO/ActivityManager(274): Displayed com.skipmorrow.phca/.WidgetDialogResponseActivity: +362ms 
 05-16 18:12:56.140: INFO/InputDispatcher(274): Delivering key to current input target: action: 0, channel '40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (server)' 
 05-16 18:12:56.260: INFO/InputDispatcher(274): Delivering key to current input target: action: 1, channel '40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (server)' 
 05-16 18:12:56.390: DEBUG/InputTransport(7580): Input channel destroyed: name='40832a98 com.skipmorrow.phca/com.skipmorrow.phca.WidgetDialogResponseActivity (client)', ashmemFd=66, receivePipeFd=67, sendPipeFd=68   
 05-16 18:13:03.350: DEBUG/PHCA_PhcaAppWidgetProvider(7580): onReceive(); action = android.appwidget.action.APPWIDGET_UPDATE

The only thing I see that looks a little fishy is a warning that an activity is starting. Why would that be a warning? Other than that, everything seems ok.

The code to send the intent is nothing special:

    Log.d(MY_DEBUG_TAG, "UpdateAppWidgets()");
    Intent i = new Intent();
    i.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
    ComponentName phcaWidget = new ComponentName(ctx, PhcaAppWidgetProvider.class);
    i.putExtra("appWidgetIds", AppWidgetManager.getInstance(ctx).getAppWidgetIds(phcaWidget));

    ctx.sendBroadcast(i);
    Log.d(MY_DEBUG_TAG, "Broadcast sent");

And the onReceive in the appWidgetProvider is nothing special either. The Log statement is the first command.

What could cause an intent to take upwards of ten seconds to be received?

Skip

MrGibbage
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1 Answers1

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If the Activity you are sending the intent to does not yet exist, it has to be started. 10 seconds seems like a long time for starting an app, but not insane.

I have apps which run 5 times or more slower when in debug mode. If you are in debug mode, it could be that it will run much faster if not in debug mode. Generally, you can see logcat messages when not in debug mode, for a device connected to PC running eclipse IDE. If you can get that working, you should try running that way and see if it is faster. Also try running with phone unplugged from Eclipse entirely, it will be harder to tell if its faster but it might be.

mwengler
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  • I tried running the app while not connected to eclipse and got the same results. I am not sending the intent to an Activity. Instead, I am sending the intent to an AppWidgetProvider to update the appWidget. As for the debug mode, is there a way to disable debug mode for an app, or are you talking about the USB debugging feature for the phone? – MrGibbage May 17 '12 at 01:57
  • I was talking about launching the app from eclipse either using "debug as" or "run as," nothing deeper than that. If its that slow running naked on the phone, I have not good suggestions. – mwengler May 17 '12 at 15:13