No. that image is definitely there. The word "button" is getting underlined. It says that it cannot find it. I think it is because button is declared in the other method. How do I fix this?
On Sun, Apr 3, 2011 at 12:17 AM, Mark Murphy <[email protected]>wrote: > You do not have a drawable resource named m1s, most likely. > > On Sat, Apr 2, 2011 at 2:44 PM, Raghav Sood <[email protected]> wrote: > > Okay I fixed that but now the line in red cannot find the button > imageview. > > > > public class class extends Activity { > > > > > > /** Called when the activity is first created. */ > > @Override > > public void onCreate(Bundle savedInstanceState) { > > > > super.onCreate(savedInstanceState); > > setContentView(R.layout.main); > > AdView adView = (AdView)findViewById(R.id.ad); > > adView.requestFreshAd(); > > ImageView button = (ImageView)findViewById(R.id.l1m1); > > // Register the onClick listener with the implementation above > > button.setOnClickListener(mCorkyListener); > > > > } > > public OnClickListener mCorkyListener = new OnClickListener() { > > public void onClick(View v) { > > button.setImageResource (R.drawable.m1s); > > } > > }; > > } > > > > I know its because the button variable is part of the other method but > how > > do I fix it? > > > > On Sun, Apr 3, 2011 at 12:09 AM, Raghav Sood <[email protected]> > wrote: > >> > >> Sorry my fault. forgot to remove the imageview declaration from top. > >> > >> On Sun, Apr 3, 2011 at 12:07 AM, Raghav Sood <[email protected]> > wrote: > >>> > >>> Okay I fixed that part now but it still force closes. My code now is: > >>> public class class extends Activity { > >>> ImageView button = (ImageView)findViewById(R.id.l1m1); > >>> public OnClickListener mCorkyListener = new OnClickListener() { > >>> public void onClick(View v) { > >>> button.setImageResource (R.drawable.m1s); > >>> } > >>> }; > >>> > >>> /** Called when the activity is first created. */ > >>> @Override > >>> public void onCreate(Bundle savedInstanceState) { > >>> super.onCreate(savedInstanceState); > >>> setContentView(R.layout.main); > >>> AdView adView = (AdView)findViewById(R.id.ad); > >>> adView.requestFreshAd(); > >>> ImageView button = (ImageView)findViewById(R.id.l1m1); > >>> // Register the onClick listener with the implementation above > >>> button.setOnClickListener(mCorkyListener); > >>> > >>> } > >>> } > >>> > >>> and the log reads: > >>> > >>> 04-03 00:06:53.383 I/ActivityManager( 1368): Start proc > com.raghavsood.mp > >>> for activity com.raghavsood.mp/.matchpuzzler: pid=26022 uid=10113 > >>> gids={3003} > >>> 04-03 00:06:53.553 W/dalvikvm(26022): threadid=1: thread exiting with > >>> uncaught exception (group=0x40020ac0) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): FATAL EXCEPTION: main > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): java.lang.RuntimeException: > >>> Unable to instantiate activity > >>> ComponentInfo{com.raghavsood.mp/com.raghavsood.mp.matchpuzzler}: > >>> java.lang.NullPointerException > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.ActivityThread. > >>> > >>> performLaunchActivity(ActivityThread.java:2585) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.ActivityThread.access$2300(ActivityThread.java:125) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.os.Handler.dispatchMessage(Handler.java:99) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.os.Looper.loop(Looper.java:123) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.ActivityThread.main(ActivityThread.java:4627) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> java.lang.reflect.Method.invokeNative(Native Method) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> java.lang.reflect.Method.invoke(Method.java:521) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> dalvik.system.NativeStart.main(Native Method) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): Caused by: > >>> java.lang.NullPointerException > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.Activity.findViewById(Activity.java:1637) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> com.raghavsood.mp.matchpuzzler.<init>(matchpuzzler.java:14) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> java.lang.Class.newInstanceImpl(Native Method) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> java.lang.Class.newInstance(Class.java:1429) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> android.app.Instrumentation.newActivity(Instrumentation.java:1021) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): at > >>> > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) > >>> 04-03 00:06:53.573 E/AndroidRuntime(26022): ... 11 more > >>> 04-03 00:06:53.583 W/ActivityManager( 1368): Force finishing activity > >>> com.raghavsood.mp/.matchpuzzler > >>> > >>> Now I have no idea as to what is wrong though it still seems to be my > >>> findviewbyid > >>> > >>> Please help > >>> > >>> -- > >>> Raghav Sood > >>> http://www.raghavsood.com/ > >>> http://www.androidappcheck.com/ > >>> http://www.telstop.tel/ > >> > >> > >> > >> -- > >> Raghav Sood > >> http://www.raghavsood.com/ > >> http://www.androidappcheck.com/ > >> http://www.telstop.tel/ > > > > > > > > -- > > Raghav Sood > > http://www.raghavsood.com/ > > http://www.androidappcheck.com/ > > http://www.telstop.tel/ > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > > http://groups.google.com/group/android-developers?hl=en > > > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com | http://github.com/commonsguy > http://commonsware.com/blog | http://twitter.com/commonsguy > > _The Busy Coder's Guide to *Advanced* Android Development_ Version > 1.9.2 Available! > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Raghav Sood http://www.raghavsood.com/ http://www.androidappcheck.com/ http://www.telstop.tel/ -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

