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Questions tagged [react-native-native-module]

137 questions
12
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1 answer

Do we need to run `pod install` with React Native 0.60?

I'm using React Native 0.60.5 and am linking this module. It says that for React Native 0.60+, "CLI autolink feature links the module while building the app", so all we need to run is yarn add @react-native-community/async-storage. However, on the…
gkeenley
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10
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3 answers

React Native Get battery status / level Using Native Modules

I am writing a react native app to get IOS and Android Battery status. I search through the net and found few libraries which can get battery level of the phone. https://github.com/robinpowered/react-native-device-battery…
Sameera Chathuranga
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9
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1 answer

React Native: How to invoke native Android layout from module?

Regarding this question, I've been trying to get this done via native modules in Android. I've declared my Module at .../java/com/myproject/multiplecamerastream following the example at React Native ToastModule (functionality here is not…
Unapedra
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9
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1 answer

Get the presented Viewcontroller from ReactNative rootviewcontroller

In React Native project I want to access the Presented Viewcontroller from iOS npm module. I'm able to access the rootviewcontroller of the RN project using the below code UIViewController *vc = [UIApplication…
iOSGeeky
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9
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1 answer

How to reuse Swift typealias in Objective-C code

I'm creating a custom react-native module and I have this custom type in a swift file VideoTrimmer.swift typealias TrimCompletion = (Error?) -> () how do I import or reuse it in a file with objective code? Or what's the syntax to redeclare it? I'm…
somonek
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8
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3 answers

Native module in React Native: function returns "undefined"

So, I am practicing making native modules in Java that can have functions exposed to the JavaScript code of React Native. For that, I decided to go for a simple demo math library. My code is as follows. MathOpsModule.java package…
Debadeep Sen
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8
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3 answers

Tried to register two views with same name

I know this kind of question has been asked before but they are related to third party libraries, mine is related to requireNativeComponent I have created a React Native Component from a Native iOS component Here is my iOS code CanvasView …
BraveEvidence
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8
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1 answer

Writing unit test for react-native native android methods

I'm building react-native app which has some native android modules in it. In MainApplication.java, protected List getPackages() { return Arrays.asList( new VectorIconsPackage(), new MyCustomPackage() …
Harshitha Palihawadana
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8
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2 answers

How to implement a React Native UI component method in Android

It's clear to me that for react-native native modules we can use the @ReactMethod to export a method and call it from JSX, but how do we do the same thing in react-native native UI components? In the documentation I only see @ReactProp being…
SudoPlz
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How to track app usage time in React Native?

I want to track user's overall app usage time (other apps) in React Native. I found android.app.usage that tracks exactly what I want. Is it possible to use 'android.app.usage' in React Native? or Do I have to make my own native module for React…
leesinmaster
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5 answers

typeError: null is not an object while accessing the Native Module

I am working on one React Native Application and trying to access the Native Module from the android. I am following this official documentation enter link description here After creating the Native Module, when I try to access it in the javaScript…
Mudasir Sharif
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4
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Using expo-modules with 3rd party local xcframework (iOS)

I'm trying to build a react-native wrapper module for the official Spotify SDK, using expo-modules. I've added the SDK in my .podspec file using s.vendored_frameworks. Example app's project pre-build works fine, but the framework's header files do…
kvba
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Creating a TurboModule in the app causes it to be undefined in react native's new architecture

I am trying to create a TurboModule for my app. I don't want to create it as a separate module as mentioned over here. I want it to be part of my app So I created a RTNCalculator folder inside that a js folder and created NativeCalculator.ts file.…
BraveEvidence
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1 answer

how to pass a react component as a native view property

I'm trying to build a react-native application with a some native UI components and some React components. I want a native ui component which takes a react component as a property, and renders it as a subview. I went through the normal process of…
maboesanman
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1 answer

How to add React-Native native module setup dependencies?

I'm very beginner at react-native and I want to create a native module so I followed the official documentation for doing that and in the Native Module Setup but I get confused in the third step where he says "add your newly created module as a…
Ahmed Salah
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