How To Identify The Error In Logcat

I have some error in logcat but i dont know how to identify it. pls help me to find out this problem. My system crashes after running the emulator. I don't know what is an error in

Solution 1:

The classes polito.mailandroid.ui.ui.LoginUI and polito.mailandroid.ui.ElementProvider were not found. You should check the .apk and your build script to include them.

Solution 2:

Its class Not found exception.

make sure class you are using is exists or not and do entry in manifest of particular activity.

Solution 3:

The error is

02-14 17:00:46.727:E/AndroidRuntime(644):Caused by: java.lang.ClassNotFoundException:polito.mailandroid.ui.ElementProvider

Have you forgotten to declare your ContentProvider in AndroidManifest.xml?

Solution 4:

You are facing a RuntimeException that was not handled. It is Caused by: java.lang.ClassNotFoundException: polito.mailandroid.ui.ElementProvider because most probably you did not define it in the Manifest file

Solution 5:

Your are facing this error please see to it

02-1416:45:46.487: E/AndroidRuntime(562): java.lang.RuntimeException: Unable toget provider polito.mailandroid.ui.ElementProvider: java.lang.ClassNotFoundException: polito.mailandroid.ui.ElementProvider