Chrome debug tools for react native: multiple issues

Question

thanks in advance your your help; I rather a newbie with RN and Android (i used create-native init to create project).

Issue 1: when i first ctrl+M

Answer 1

This solution worked for me:

1. ctrl+m on your emulator.
2. click on Dev Settings.
3. Disable User JS Delta
4. restart the react native server. (ctrl+c in the terminal and then npm run android)