title: I need help i have face problem attribute 'android:name' in <activity> tag must be a valid Java class name
body: <p>C:\Users\TEHSEEN AFZAL\AppData\yes\rn-course\android\app\build\intermediates\merged_manifests\debug\AndroidManifest.xml:24: AAPT: error: attribute 'android:name' in  tag must be a valid Java class name.</p>
  
  <ul>
  <li>Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.</li>
  </ul>
  
  <p><a href="https://i.stack.imgur.com/Q2HjE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Q2HjE.png" alt="enter image description here"></a>
  * Get more help at <a href="https://help.gradle.org" rel="nofollow noreferrer">https://help.gradle.org</a></p>
  
  <p>BUILD FAILED in 2s
  11 actionable tasks: 2 executed, 9 up-to-date
  error Could not install the app on the device, read the error above for details.
  Make sure you have an Android emulator running or a device connected and have
  set up your Android development environment:
  <a href="https://i.stack.imgur.com/1DyKL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1DyKL.png" alt="enter image description here"></a></p>