Sounds like you probably named a widget differently in the landscape, so your findViewById is returning null.
On Monday, July 30, 2012 1:48:00 PM UTC-5, Ehsan Sadeghi wrote: > > I have layout and layout-land in my app and in both have a file is named > realstate.xml, in portrait everything is ok, but in landscape application > stops by following error : > 07-30 18:29:51.186: D/gralloc_goldfish(659): Emulator without GPU > emulation detected. > 07-30 18:29:53.757: D/InputEventConsistencyVerifier(659): KeyEvent: > ACTION_UP but key was not down. > 07-30 18:29:53.757: D/InputEventConsistencyVerifier(659): in > android.view.ViewRootImpl@4121ca30 > 07-30 18:29:53.757: D/InputEventConsistencyVerifier(659): 0: sent at > 138005000000, KeyEvent { action=ACTION_UP, keyCode=KEYCODE_DPAD_CENTER, > scanCode=232, metaState=0, flags=0x8, repeatCount=0, eventTime=138005, > downTime=137916, deviceId=0, source=0x301 } > 07-30 18:30:11.055: D/dalvikvm(659): GC_CONCURRENT freed 163K, 4% free > 8251K/8519K, paused 46ms+5ms, total 280ms > 07-30 18:30:12.105: I/Choreographer(659): Skipped 48 frames! The > application may be doing too much work on its main thread. > 07-30 18:30:16.055: I/Choreographer(659): Skipped 44 frames! The > application may be doing too much work on its main thread. > 07-30 18:30:36.579: I/Choreographer(659): Skipped 41 frames! The > application may be doing too much work on its main thread. > 07-30 18:30:42.605: I/Choreographer(659): Skipped 30 frames! The > application may be doing too much work on its main thread. > 07-30 18:30:55.867: I/Choreographer(659): Skipped 39 frames! The > application may be doing too much work on its main thread. > 07-30 18:31:15.974: I/Choreographer(659): Skipped 41 frames! The > application may be doing too much work on its main thread. > 07-30 18:31:20.456: I/Choreographer(659): Skipped 51 frames! The > application may be doing too much work on its main thread. > 07-30 18:32:11.687: D/AndroidRuntime(659): Shutting down VM > 07-30 18:32:11.687: W/dalvikvm(659): threadid=1: thread exiting with > uncaught exception (group=0x40a13300) > 07-30 18:32:11.716: E/AndroidRuntime(659): FATAL EXCEPTION: main > 07-30 18:32:11.716: E/AndroidRuntime(659): java.lang.RuntimeException: > Unable to start activity > ComponentInfo{ir.smspeik.sms/ir.smspeik.sms.Realstate}: > java.lang.NullPointerException > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3512) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.access$700(ActivityThread.java:130) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread$H.handleMessage(ActivityThread.java:1201) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.os.Handler.dispatchMessage(Handler.java:99) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.os.Looper.loop(Looper.java:137) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.main(ActivityThread.java:4745) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > java.lang.reflect.Method.invokeNative(Native Method) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > java.lang.reflect.Method.invoke(Method.java:511) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > dalvik.system.NativeStart.main(Native Method) > 07-30 18:32:11.716: E/AndroidRuntime(659): Caused by: > java.lang.NullPointerException > 07-30 18:32:11.716: E/AndroidRuntime(659): at > ir.smspeik.sms.Realstate.onCreate(Realstate.java:24) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.Activity.performCreate(Activity.java:5008) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079) > 07-30 18:32:11.716: E/AndroidRuntime(659): at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023) > 07-30 18:32:11.716: E/AndroidRuntime(659): ... 12 more > 07-30 18:32:16.056: D/gralloc_goldfish(688): Emulator without GPU > emulation detected. > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en