Using Intent in an Android application to show another activity

n my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error. Here are the classes:

This was a run time error. The emulator gave the generic "the application has stopped unexpectedly" error, but using the debugger, it showed a "android.content.ActivityNotFoundException: Unable to find explicit activity class {class name} have you declared this activity in your AndroidManifest.xml? – Tai Squared

 

The issue was the OrderScreen activity wasn't added to the AndroidManifest.xml. Once I added that as an application node, it worked properly.

http://stackoverflow.com/questions/736571/using-intent-in-an-android-application-to-show-another-activity