thanks, i was doing wrong actually in xml i had taken imageview while on code i have taken imagebutton, thats why classcaste exception was there. Resolved now
On Mon, Nov 8, 2010 at 5:33 PM, Sarwar Erfan <[email protected]> wrote: > puty try catch around > > ImageButton o1 = (ImageButton) findViewById(R.id.next); > o1.setOnClickListener(this); > > R.id.next : is it really an ImageButton? > > You have got ClassCastException. > > Regards > Sarwar Erfan > > > > > On Nov 8, 1:27 pm, Alok Upadhyay <[email protected]> wrote: > > i have two class as trial.java and ImageWoLab0.java(Image without > > lable 0).When i run my application i am getting error as : The > > application has stopped unexpectedly!! > > > > public void onClick(View v) > > { > > switch (v.getId()) > > { > > case R.id.btnSequence: > > Intent intent1 = new Intent(); > > intent1.setClass(this,ImageWoLab0.class); /*To open new > > Screen/Activity */ > > > / > > *Passing a key/value(Condition) to Activity2.class*/ > > startActivity(intent1); /*open the new > > screen/Activity*/ > > break; > > > > case R.id.btnVideo: > > Intent intent2 = new Intent(); > > intent2.setClass(this,Activity2.class); > > intent2.putExtra("String_key", "value1"); > > startActivity(intent2); > > break; > > > > case R.id.btnInfo: > > Intent intent3 = new Intent(); > > intent3.setClass(this,Activity2.class); > > > > intent3.putExtra("String_key", "value2"); > > startActivity(intent3); > > break; > > } > > othar class as: > > > > public class ImageWoLab0 extends Activity implements OnClickListener > > { private static String TAG = "tag"; > > > > @Override > > public void onCreate(Bundle savedInstanceState) > > { > > Log.i(TAG, "abc"); > > super.onCreate(savedInstanceState); > > setContentView(R.layout.image0); > > ImageButton o1 = (ImageButton) findViewById(R.id.next); > > o1.setOnClickListener(this); > > > > } > > > > @Override > > public void onClick(View v) > > { > > switch (v.getId()) > > { > > case R.id.next: > > Intent intent1 = new Intent(); > > intent1.setClass(this,ImageWoLab1.class); > > startActivity(intent1); > > break; > > > > } > > > > } > > } > > > > i have check image in drawable folder,manifest file(activity > > entry),layout file properly.i have clean again and again even rebuild > > again still the same messageis displaying.i am getting log as:sorry if > > i have not send log in right format(first time i am using logcat): > > > > 11-08 12:48:55.084: INFO/tag(334): abc > > 11-08 12:48:55.154: WARN/dalvikvm(334): threadid=1: thread exiting > > with uncaught exception (group=0x4001d800) 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): FATAL EXCEPTION: main 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): java.lang.RuntimeException: Unable to start > > activity ComponentInfo{com.example.Trial/ > > com.example.Trial.ImageWoLab0}: java.lang.ClassCastException: > > android.widget.ImageView 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): at > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > 2663) 11-08 12:48:55.204: ERROR/AndroidRuntime(334): at > > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: > > 2679) 11-08 12:48:55.204: ERROR/AndroidRuntime(334): at > > android.app.ActivityThread.access$2300(ActivityThread.java:125) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at android.app.ActivityThread > > $H.handleMessage(ActivityThread.java:2033) 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): at > > android.os.Handler.dispatchMessage(Handler.java:99) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at > > android.os.Looper.loop(Looper.java:123) 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): at > > android.app.ActivityThread.main(ActivityThread.java:4627) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at > > java.lang.reflect.Method.invokeNative(Native Method) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at > > java.lang.reflect.Method.invoke(Method.java:521) 11-08 12:48:55.204: > > ERROR/AndroidRuntime(334): at com.android.internal.os.ZygoteInit > > $MethodAndArgsCaller.run(ZygoteInit.java:868) 11-08 12:48:55.204: > > ERROR/AndroidRuntime(334): at > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at > > dalvik.system.NativeStart.main(Native Method) 11-08 12:48:55.204: > > ERROR/AndroidRuntime(334): Caused by: java.lang.ClassCastException: > > android.widget.ImageView 11-08 12:48:55.204: ERROR/ > > AndroidRuntime(334): at > > com.example.Trial.ImageWoLab0.onCreate(ImageWoLab0.java:21) 11-08 > > 12:48:55.204: ERROR/AndroidRuntime(334): at > > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: > > 1047) 11-08 12:48:55.204: ERROR/AndroidRuntime(334): at > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > 2627) 11-08 12:48:55.204: ERROR/AndroidRuntime(334): ... 11 more 11-08 > > 12:48:55.264: WARN/ActivityManager(61): Force finishing activity > > com.example.Trial/.ImageWoLab0 11-08 12:48:55.274: WARN/ > > ActivityManager(61): Force finishing activity com.example.Trial/.Trial > > -- > 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]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Thanks & Regards Alok Upadhyay 9555758721 -- 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
