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Zeeshan Ali
Courses Plus Student 1,522 PointsApp is not working!
when I am trying to run my app, an error message is dispplaying which reads "Unfortunately, Crystal Ball has stoped working!". Can anyone help?
4 Answers
Calvin Nix
43,828 PointsThe logs you provided indicate that the theme you are using is incompatible. "You need to use a Theme.AppCompat theme (or descendant) with this activity. " Change the theme that you are currently using and retest.
Calvin Nix
43,828 PointsHey Zeeshan,
What are the error messages that you are receiving in logcat?
Zeeshan Ali
Courses Plus Student 1,522 Points@Calvin Nix : These->
05-28 04:00:52.692: D/AndroidRuntime(1206): Shutting down VM 05-28 04:00:52.692: W/dalvikvm(1206): threadid=1: thread exiting with uncaught exception (group=0xb2a24ba8) 05-28 04:00:52.712: E/AndroidRuntime(1206): FATAL EXCEPTION: main 05-28 04:00:52.712: E/AndroidRuntime(1206): Process: com.example.crystalball, PID: 1206 05-28 04:00:52.712: E/AndroidRuntime(1206): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.crystalball/com.example.crystalball.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity. 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread.access$800(ActivityThread.java:135) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.os.Handler.dispatchMessage(Handler.java:102) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.os.Looper.loop(Looper.java:136) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread.main(ActivityThread.java:5017) 05-28 04:00:52.712: E/AndroidRuntime(1206): at java.lang.reflect.Method.invokeNative(Native Method) 05-28 04:00:52.712: E/AndroidRuntime(1206): at java.lang.reflect.Method.invoke(Method.java:515) 05-28 04:00:52.712: E/AndroidRuntime(1206): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 05-28 04:00:52.712: E/AndroidRuntime(1206): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 05-28 04:00:52.712: E/AndroidRuntime(1206): at dalvik.system.NativeStart.main(Native Method) 05-28 04:00:52.712: E/AndroidRuntime(1206): Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity. 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.support.v7.app.ActionBarActivityDelegate.onCreate(ActionBarActivityDelegate.java:111) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.support.v7.app.ActionBarActivityDelegateICS.onCreate(ActionBarActivityDelegateICS.java:58) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:98) 05-28 04:00:52.712: E/AndroidRuntime(1206): at com.example.crystalball.MainActivity.onCreate(MainActivity.java:16) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.Activity.performCreate(Activity.java:5231) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 05-28 04:00:52.712: E/AndroidRuntime(1206): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159) 05-28 04:00:52.712: E/AndroidRuntime(1206): ... 11 more 05-28 04:01:01.142: I/Process(1206): Sending signal. PID: 1206 SIG: 9
Thanx in advance man!!
Zeeshan Ali
Courses Plus Student 1,522 PointsThanx a lot bro! It worked!
Calvin Nix
43,828 PointsGreat! You're welcome!