I know ... ; ) This is what I meant by "not much":
 
11-12 12:34:15.666: WARN/dalvikvm(510): threadid=3: thread exiting with 
uncaught exception (group=0x40013140)
11-12 12:34:15.666: ERROR/AndroidRuntime(510): Uncaught handler: thread main 
exiting due to uncaught exception
11-12 12:34:15.696: ERROR/AndroidRuntime(510): java.lang.NullPointerException
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
com.android:sample.SampleConnection.updateWithNewLocation(SampleConnection.java:275)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
com.android:sample.SampleConnection.access$1(SampleConnection.java:182)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
com.android:sample.SampleConnection$1.onLocationChanged(SampleConnection.java:115)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.location.LocationManager$ListenerTransport._handleMessage(LocationManager.java:181)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.location.LocationManager$ListenerTransport.access$000(LocationManager.java:114)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.location.LocationManager$ListenerTransport$1.handleMessage(LocationManager.java:130)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.os.Handler.dispatchMessage(Handler.java:99)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.os.Looper.loop(Looper.java:123)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
android.app.ActivityThread.main(ActivityThread.java:3948)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
java.lang.reflect.Method.invokeNative(Native Method)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
java.lang.reflect.Method.invoke(Method.java:521)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
11-12 12:34:15.696: ERROR/AndroidRuntime(510): at 
dalvik.system.NativeStart.main(Native Method)
 
 
I have initialized the TextView  for which I am setting the text. However, I 
now have an idea why this situation might have occured.
 
Emre
 
PS. SampleConnection class updates the location on the display as it changes.

 


Date: Fri, 12 Nov 2010 14:09:57 +0530
Subject: Re: [android-developers] how to call the setText() method in an 
Activity that is part of a Tab Layout ?
From: [email protected]
To: [email protected]

Not much !!! :) In Java, NullPointer is pretty too much. 

You might not have initialized the TextView for which you are setting the text. 
Look into the logcat for more details. It will give you the line number where 
this exception is being generated.


On Fri, Nov 12, 2010 at 1:59 PM, Emre A. Yavuz <[email protected]> wrote:


Not much, just NullPointer ....
 
Emre
 


Date: Fri, 12 Nov 2010 10:37:56 +0530
Subject: Re: [android-developers] how to call the setText() method in an 
Activity that is part of a Tab Layout ?
From: [email protected]
To: [email protected]




What does it complain about? Look at your logcat.


On Fri, Nov 12, 2010 at 5:25 AM, Emre A. Yavuz <[email protected]> wrote:


Hi,

I have created a Tab Layout based on the sample code given in the "Tutorials" 
section on the Android website. I have two Tabs with two Activities for each 
one of them.

All I want to do is to update a "TextView" variable that belongs to a layout of 
one of the Activities when needed using the setText() method (for whichever 
activity being displayed at that moment).
However it keeps on complaining during runtime and thus the text is never set. 
I was able to achieve this display update when I was using a single layout by 
just setting the text of the mentioned TextView variable. It should have 
something to do with the Tab Layout, but what ?

Any ideas ?

Cheers,

Emre


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