Android App FC when it runs anything with a UI and sqlite database

10-05 04:41:51.003: ERROR/AndroidRuntime(5986): FATAL EXCEPTION: main
10-05 04:41:51.003: ERROR/AndroidRuntime(5986): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.totsp.androidexamples/com.totsp.androidexamples.TestDatabaseActivity}: java.lang.ClassNotFoundException: com.totsp.androidexamples.TestDatabaseActivity in loader dalvik.system.PathClassLoader[/data/app/com.totsp.androidexamples-2.apk]
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.os.Looper.loop(Looper.java:123)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread.main(ActivityThread.java:4627)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at java.lang.reflect.Method.invokeNative(Native Method)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at java.lang.reflect.Method.invoke(Method.java:521)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at dalvik.system.NativeStart.main(Native Method)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986): Caused by: java.lang.ClassNotFoundException: com.totsp.androidexamples.TestDatabaseActivity in loader dalvik.system.PathClassLoader[/data/app/com.totsp.androidexamples-2.apk]
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at dalvik.system.PathClassLoader.findClass(PathClass开发者_如何学JAVALoader.java:243)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
10-05 04:41:51.003: ERROR/AndroidRuntime(5986):     ... 11 more

I tried following this: http://www.screaming-penguin.com/node/7742 And I get this error. Basically when it starts it just dies on me.

Anybody could please enlighten me on what might I be doing wrong?

Did you declare TestDatabaseActivity in your AndroidManifest.xml?