Allow usb debugging to be the default
Explain ..
First allow usb debugging
cordova platform -add android
cordova run android.
Then your app will run on your phone.
At this time,
Execute the following command in the address bar.
chrome: // inspect / # devices
Click inspect on the corresponding webview as shown above.
Then you can see the screen of the mobile phone as shown above.
I will not mention javascript debugging here.
Note: Do not build in release mode