> 07-23 22:23:26.954: D/AndroidRuntime(585): Shutting down VM
07-23 22:23:26.954: W/dalvikvm(585): threadid=1: thread exiting with uncaught exception (group=0x409961f8)
07-23 22:23:26.974: E/AndroidRuntime(585): FATAL EXCEPTION: main
07-23 22:23:26.974: E/AndroidRuntime(585): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.Arjan.acalculator/com.Arjan.acalculator.MainActivity}: java.lang.ClassCastException: com.Arjan.acalculator.MainActivity cannot be cast to android.app.Activity
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1879)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1980)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread.access$600(ActivityThread.java:122)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1146)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.os.Handler.dispatchMessage(Handler.java:99)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.os.Looper.loop(Looper.java:137)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread.main(ActivityThread.java:4340)
07-23 22:23:26.974: E/AndroidRuntime(585):  at java.lang.reflect.Method.invokeNative(Native Method)
07-23 22:23:26.974: E/AndroidRuntime(585):  at java.lang.reflect.Method.invoke(Method.java:511)
07-23 22:23:26.974: E/AndroidRuntime(585):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
07-23 22:23:26.974: E/AndroidRuntime(585):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
07-23 22:23:26.974: E/AndroidRuntime(585):  at dalvik.system.NativeStart.main(Native Method)
07-23 22:23:26.974: E/AndroidRuntime(585): Caused by: java.lang.ClassCastException: com.Arjan.acalculator.MainActivity cannot be cast to android.app.Activity
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
07-23 22:23:26.974: E/AndroidRuntime(585):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1870)
07-23 22:23:26.974: E/AndroidRuntime(585):  ... 11 more
07-23 22:23:30.834: I/Process(585): Sending signal. PID: 585 SIG: 9