react-native-bluetooth-info

React Native native module for checking Bluetooth state with event listener. Supports both iOS and android.

Getting started

$ npm install react-native-bluetooth-info --save

Mostly automatic installation

$ react-native link react-native-bluetooth-info

Manual installation

iOS

In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
Go to node_modules ➜ react-native-bluetooth-info and add RNBluetoothInfo.xcodeproj
In XCode, in the project navigator, select your project. Add libRNBluetoothInfo.a to your project's Build Phases ➜ Link Binary With Libraries
Run your project (Cmd+R)<

Android

Open up android/app/src/main/java/[...]/MainActivity.java

Add import com.reactlibrary.RNBluetoothInfoPackage; to the imports at the top of the file
Add new RNBluetoothInfoPackage() to the list returned by the getPackages() method

Append the following lines to android/settings.gradle:

include ':react-native-bluetooth-info'
project(':react-native-bluetooth-info').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-bluetooth-info/android')

Insert the following lines inside the dependencies block in android/app/build.gradle:
```
  compile project(':react-native-bluetooth-info')
```

Usage

import RNBluetoothInfo from 'react-native-bluetooth-info';

class App extends Component<{}> {

  constructor(props) {
    super(props);

    this.state = {
      connectionState : ''
    }
  }

  componentDidMount() {
    RNBluetoothInfo.getCurrentState().then(this.handleConnection)
  }

  componentWillMount() {
    RNBluetoothInfo.addEventListener('change', this.handleConnection);
  }

  componentWillUnmount() {
    RNBluetoothInfo.removeEventListener('change', this.handleConnection)
  }

  handleConnection = (resp) => {
    let {connectionState} = resp.type;  
    console.log('type ', connectionState);
    this.setState({connectionState});
  }

  checkBluetooth = () => {
    RNBluetoothInfo.getCurrentState().then(resp =>{ 
      let {connectionState} = resp.type;  
      this.setState({connectionState});
    } )
  }

  render() {
    return (
      <View style={styles.container}>
        <Text style={styles.welcome}>
          Welcome to React Native!
        </Text>

        <Button title="Check Bluetooth State" onPress={this.checkBluetooth} />
        <Text style={styles.instructions}>
          Cuurent Bluetooth Status: <Text style={styles.bluetoothStatusText}>{this.state.connectionState}</Text>
        </Text>
      </View>
    );
  }
}