08-03 07:11:35.068: E/AndroidRuntime(681): FATAL EXCEPTION: main 08-03 07:11:35.068: E/AndroidRuntime(681): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.andrei.iou/com.andrei.iou.IOweYou}: java.lang.NullPointerException 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread.access$600(ActivityThread.java:130) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.os.Handler.dispatchMessage(Handler.java:99) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.os.Looper.loop(Looper.java:137) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread.main(ActivityThread.java:4745) 08-03 07:11:35.068: E/AndroidRuntime(681): at java.lang.reflect.Method.invokeNative(Native Method) 08-03 07:11:35.068: E/AndroidRuntime(681): at java.lang.reflect.Method.invoke(Method.java:511) 08-03 07:11:35.068: E/AndroidRuntime(681): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 08-03 07:11:35.068: E/AndroidRuntime(681): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 08-03 07:11:35.068: E/AndroidRuntime(681): at dalvik.system.NativeStart.main(Native Method) 08-03 07:11:35.068: E/AndroidRuntime(681): Caused by: java.lang.NullPointerException 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.Activity.setContentView(Activity.java:1867) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ExpandableListActivity.ensureList(ExpandableListActivity.java:273) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ExpandableListActivity.setListAdapter(ExpandableListActivity.java:244) 08-03 07:11:35.068: E/AndroidRuntime(681): at com.andrei.iou.IOweYou.onCreate(IOweYou.java:80) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.Activity.performCreate(Activity.java:5008) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079) 08-03 07:11:35.068: E/AndroidRuntime(681): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023) 08-03 07:11:35.068: E/AndroidRuntime(681): ... 11 more