uninstall/delete an application from android emulator
First,make sure the emulator is running.Then follow below steps:
1. go to tools directory in command
2. adb shell
3. cd /data/app
4. ls (It will display all the .apk installed in your emulator)
5. rm ***.apk(which you want to remove)
6. exit
To remove the system apps
1. adb remount
2. adb shell
3. rm system/app/appname.apk
then run the project with eclipse , it works good.