React Native Heading
Get device heading information on iOS or Android
##What Report back device orientation in degrees, 0-360, with 0 being North.
####Example
const { DeviceEventEmitter } = require('react-native');
const ReactNativeHeading = require('react-native-heading');
//....
componentDidMount() {
ReactNativeHeading.start(1)
.then(didStart => {
this.setState({
headingIsSupported: didStart,
})
})
DeviceEventEmitter.addListener('headingUpdated', data => {
console.log('New heading is:', data.heading);
});
}
componentWillUnmount() {
ReactNativeHeading.stop();
DeviceEventEmitter.removeAllListeners('headingUpdated');
}
//...
####API
start(filter)
- Start receiving heading updates. Accepts an optional filter param (int) to ignore heading changes less than the spcified threshold. The default value is 5. Returns a promise which can be used to determine if heading updates are suported by the device.
stop
- Stop receiving heaing updates (don't forget to remove the headingUpdated
listener)
##Setup
npm install --save react-native-heading
###iOS
- Run open node_modules/react-native-heading
- Drag ReactNativeHeading.xcodeproj into your Libraries group
###Android #####Step 1 - Update Gradle Settings
// file: android/settings.gradle
...
include ':react-native-heading'
project(':react-native-heading').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-heading/android')
#####Step 2 - Update Gradle Build
// file: android/app/build.gradle
...
dependencies {
...
compile project(':react-native-heading')
}
#####Step 3 - Register React Package
...
import com.joshblour.reactnativeheading.ReactNativeHeadingPackage; // <--- import
public class MainActivity extends ReactActivity {
...
@Override
protected List<ReactPackage> getPackages() {
return Arrays.<ReactPackage>asList(
new MainReactPackage(),
new ReactNativeHeadingPackage() // <------ add the package
);
}
...
}