Sono alle prime armi con android. Questo è quello che mi appare quando clicco sul pulsante nell'app
01-09 11:51:42.536: E/AndroidRuntime(374): FATAL EXCEPTION: main
01-09 11:51:42.536: E/AndroidRuntime(374): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.intent/com.example.intent.paginadue}; have you declared this activity in your AndroidManifest.xml?
01-09 11:51:42.536: E/AndroidRuntime(374): at android.app.Instrumentation.checkStartActivityResu lt(Instrumentation.java:1405)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.app.Instrumentation.execStartActivity(Inst rumentation.java:1379)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.app.Activity.startActivityForResult(Activi ty.java:2827)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.app.Activity.startActivity(Activity.java:2 933)
01-09 11:51:42.536: E/AndroidRuntime(374): at com.example.intent.MainActivity$1.onClick(MainActi vity.java:28)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.view.View.performClick(View.java:2485)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.view.View$PerformClick.run(View.java:9080)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.os.Handler.handleCallback(Handler.java:587 )
01-09 11:51:42.536: E/AndroidRuntime(374): at android.os.Handler.dispatchMessage(Handler.java:92 )
01-09 11:51:42.536: E/AndroidRuntime(374): at android.os.Looper.loop(Looper.java:130)
01-09 11:51:42.536: E/AndroidRuntime(374): at android.app.ActivityThread.main(ActivityThread.jav a:3683)
01-09 11:51:42.536: E/AndroidRuntime(374): at java.lang.reflect.Method.invokeNative(Native Method)
01-09 11:51:42.536: E/AndroidRuntime(374): at java.lang.reflect.Method.invoke(Method.java:507)
01-09 11:51:42.536: E/AndroidRuntime(374): at com.android.internal.os.ZygoteInit$MethodAndArgsCa ller.run(ZygoteInit.java:839)
01-09 11:51:42.536: E/AndroidRuntime(374): at com.android.internal.os.ZygoteInit.main(ZygoteInit .java:597)
01-09 11:51:42.536: E/AndroidRuntime(374): at dalvik.system.NativeStart.main(Native Method)