adb uninstall failed

Question

I am writing some sample apps.
After I debug these apps, I don\'t see an uninstall button in my device\'s application management.
When I do adb uninstall, it always

Answer 1

Open your application Manifest and check the application's package first.

After that, be sure that your device is set into debugger mode.

Check if ADB can interact with your device:

adb devices

If your device is listed, then run:

adb uninstall PACKAGE_WRITTEN_IN_MANIFEST