Lazy loading native modules

component.js

    componentWillMount = () => {
        const { default: BiometryScanner } = require('react-native-fingerprint-scanner');
        BiometryScanner.isSensorAvailable()
            .then(biometryType => {
                return this.setState({
                    biometryType,
                });
            })
            .catch(() => {
                return this.setState({
                    biometryType: null,
                });
            });
    };

MainApplication.java

protected List<ReactPackage> getPackages() {
        List<ReactPackage> packages = new ArrayList<>(Arrays.asList(
                new MainReactPackage(),
        ));
        packages.add(new LazyReactPackage() {
            @Override
            protected List<ModuleSpec> getNativeModules(ReactApplicationContext reactContext) {
                return Arrays.asList(
                        ModuleSpec.nativeModuleSpec(
                                ReactNativeFingerprintScannerModule.class,
                                new Provider<NativeModule>() {
                                    @Override
                                    public NativeModule get() {
                                        return new ReactNativeFingerprintScannerModule(reactContext);
                                    }
                                }));

            }

            @Override
            public ReactModuleInfoProvider getReactModuleInfoProvider() {
                return new ReactModuleInfoProvider() {
                    @Override
                    public Map<String, ReactModuleInfo> getReactModuleInfos() {
                        Map reactModuleInfoMap = new HashMap();
                        reactModuleInfoMap.put("ReactNativeFingerprintScanner", new ReactModuleInfo("ReactNativeFingerprintScanner", "com.hieuvp.fingerprint.ReactNativeFingerprintScannerModule", false, false, false, false, false));
                        return reactModuleInfoMap;
                    }
                };
            }
        });
//        packages.add(new TurboReactPackage() {
//
//            @Override
//            public NativeModule getModule(String name, ReactApplicationContext reactContext) {
//                switch (name) {
//                    case "ReactNativeFingerprintScanner":
//                        return new ReactNativeFingerprintScannerModule(reactContext);
//                    default:
//                        return null;
//
//                }
//            }
//
//            @Override
//            public ReactModuleInfoProvider getReactModuleInfoProvider() {
//                return new ReactModuleInfoProvider() {
//                    @Override
//                    public Map<String, ReactModuleInfo> getReactModuleInfos() {
//                        Map reactModuleInfoMap = new HashMap();
//                        reactModuleInfoMap.put("ReactNativeFingerprintScanner", new ReactModuleInfo("ReactNativeFingerprintScanner", "com.hieuvp.fingerprint.ReactNativeFingerprintScannerModule", false, false, false, false, false));
//                        return reactModuleInfoMap;
//                    }
//                };
//            }
//        });
        return packages;
}

ReactNativeFingerprintScannerModule.java

@ReactModule(name="ReactNativeFingerprintScanner")
public class ReactNativeFingerprintScannerModule extends ReactContextBaseJavaModule
        implements LifecycleEventListener {
    public static final int MAX_AVAILABLE_TIMES = Integer.MAX_VALUE;

    private final ReactApplicationContext mReactContext;
    private FingerprintIdentify mFingerprintIdentify;

    public ReactNativeFingerprintScannerModule(ReactApplicationContext reactContext) {
        super(reactContext);
        mReactContext = reactContext;
        ReactMarker.logMarker("FINGERPRINT_START");
    }

    @Override
    public String getName() {
        return "ReactNativeFingerprintScanner";
    }
    
    //...
 }