![]() ![]() Switching from an android 11 emulator to an android 10Q emulator seemed to do the trick (note: this was only a problem for the emulator as the same functionality seemed to work on a real android 11 phone).Īfter following the basic installation guide ( Found here), I would recommend setting up a callkeep class in your project. The base implementation of callkeep is pretty straight forward and works well out of the box, when initially experimenting with it, the only problem I ran into was that it wouldn't display the native incoming call UI on certain android emulators. The next time you receive a phone call (be it a cellular call or a VoIP call), you’ll see a full-screen incoming call notification. Writing this native module eventually did result in the desired functionality, although, to properly explain my decision into doing this I need to start from the beginning. Open the Settings app on your iPhone, and go to the Phone section. These issues then led me down a track which ended with implementing a native android module. ![]() This implementation however, started to show a few issues when testing functionality on the latest android versions. As a team we decided to use the react-native-callkeep library which seemed to have all of the functionality required, which was to be able to display incoming call UI after a notification is received. When I first realised the project I was working on would need an incoming call display that transitions into a React Native app I (foolishly) didn't think much of it, and assumed a simple library would solve most of my worries. Gears I use:Velbon Sherpa 200 R/F Tripod. To get android working properly for these versions I had to write a native module which mimicked the backToForeground function from react-native-callkeep. Learn how you can change the incoming call background video or picture on the Samsung Galaxy S22 / S22+ / S22 Ultra. This solution seemed to work fine for iOS with the base recommended implementation, with the downside that it didn't work as smoothly for the latest android versions we wanted to run (android with a minimum api of 27). However, the project had its own in-call UI we wanted to use, therefore we only wanted to use the incoming call functionality of callkeep. The library react-native-callkeep was used to implement this solution, this library acts as a fully managed connection service for implementing call UI using react native. This was a really interesting feature to build but it did not come without difficulty. ![]() TL DRĪ project I was working on required native call UI to be implemented so that when users received a call notification from firebase their phone would ring as if they were receiving a native call. Suitable for developers who are interested in how to get started with native modules for android within React Native or implementing native UI for incoming calls. A story about my struggles implementing native call display functionality and how this led me to writting my own native module for android. ![]()
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