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Comment by Matteo Mazzarolo on "Building custom Android modules for React Native" | Hashnode

Discussion

Matteo Mazzarolo

Engineer @invisionapp

Jul 8, 2016

Hey! Nice introduction tutorial! Do you have any suggestion on the implementation/bridging of an Android service in React-Native?
I'm asking because I'm considering all the available options for making react-native-beacons-android works even when the app is killed.
Thanks ;)

Sriraman

Software Engineer @ LifeOn24

Jul 8, 2016

Background service would be killed by Android on low memory. If you run the service in the foreground, then the service will not be killed. Running the service in the foreground will generate a persistent notification in the notification drawer.

Check developer.android.com/guide/components/services.h… for more information

Yep, I know, but what about making the service comunicate with React-Native?
Do you have any experience/example on this?
And thanks for the fast answer man!

Matteo Mazzarolo

Engineer @invisionapp

Jul 8, 2016

Sriraman

Software Engineer @ LifeOn24

Jul 8, 2016

React Native won't be alive in background. Obviously, the Event listener which we created in the React Native layer will also be destroyed. Communication might not be possible. Some people said that it is possible to start the Javascript core from the background. But, I never tried it. I'll let you know if I find some workaround.