how to view logs for react native app in ubuntu 15.10

Question

I made a simple sign up form using react-native from scratch. I used 'react-native init login' Now to put validations I need to use console.log but I am not able to view them. I tried following some links to debugging but not able to view the logs. I am using Ubuntu 15.10 Kindly help. :)

I used react-native log-android but it gets stuck on starting the logger. react-native log-android Scanning 647 folders for symlinks in /home/trainees10/react-native-apps/login/node_modules (11ms) Starting the logger (adb logcat *:S ReactNative:V ReactNativeJS:V)... — Adit Modi
– Adit Modi, Commented Aug 23, 2017 at 6:10
Did you try adb logcat *:S ReactNative:V ReactNativeJS:V and you problem didn't solve? — Vahid Boreiri
– Vahid Boreiri, Commented Aug 23, 2017 at 6:27
i did. adb server is out of date. killing... cannot bind 'tcp:5037' ADB server didn't ACK * failed to start daemon * error: device offline it is showing this @VahidBoreiri — Adit Modi
– Adit Modi, Commented Aug 23, 2017 at 6:32
When you type adb devices in console is your devices listed there? — Vahid Boreiri
– Vahid Boreiri, Commented Aug 23, 2017 at 6:42

alexdriedger · Accepted Answer · 2017-08-23 07:47:31Z

0

This is where Chrome Developer Tools are your friend.

The following steps should get you to the Chrome Developer Tools, where you will be able to see your console.log statements.

Steps

Install Google Chrome, if you have not already
Run app using react-native run-android or react-native run-ios
Open developer menu
- Mac: ⌘+D for iOS or ⌘M for Android iOS
- Windows/Linux: Shake Android phone
Select Debug JS Remotely
This should launch the debugger in Chrome
In Chrome: Tools -> More Tools -> Developer Options and make sure you are on the console tab

Now whenever a console.log statement is executed, it should appear in Chrome Dev Tools. The official documentation is here. Also see this answer (which at the time of this answer is two years old and only for iOS).

answered Aug 23, 2017 at 7:47

alexdriedger

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1 Comment

alexdriedger Over a year ago

This is an alternative to running react-native log-android to see your logs

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