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TypeError: indefinido no es un objeto (evaluando 'appState.remove')

ingrese la descripción de la imagen aquí estoy teniendo dificultades con este error porque todo solía funcionar perfectamente ahora dice que está obsoleto. ¿Puede alguien ayudarme con el error porque nada funciona? He probado el nuevo código en la documentación de App State pero sigue el mismo error TypeError: indefinido no es un objeto (evaluando 'appState.remove')

Este es mi código:

 constructor(props) { super(props); this.state = { region: null, status: undefined, appState: AppState?.currentState, modalVisible: true, isLoading: true, }; this._getLocationAsync(); } componentDidMount() { AppState.removeEventListener("change", this.handleAppStateChange); } handleAppStateChange = (nextAppState) => { if ( this.state.appState.match(/inactive|background/) && nextAppState === "active" ) { this._getLocationAsync(); } this.setState({ appState: nextAppState }); }; componentWillUnmount() { AppState.addEventListener("change", this.handleAppStateChange); this._getLocationAsync(); } _getLocationAsync = async () => { let { status } = await Location.requestPermissionsAsync(); let location = await Location.getCurrentPositionAsync({ enableHighAccuracy: false, timeout: 10000, maximumAge: 0, }); let region = { latitude: location.coords.latitude, longitude: location.coords.longitude, latitudeDelta: 0.0045, longitudeDelta: 0.0045, }; this.props.callback({ latitude: region.latitude, longitude: region.longitude, }); this.setState({ region: region, status: status }); };
about 4 years ago · Juan Pablo Isaza
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//listen to AppState change in componentDidMount componentDidMount() { this.subscriptionToAppState = AppState.addEventListener("change", this.handleAppStateChange); } //stop listen componentWillUnmount() { //if your react native version 0.65 or more use this this.subscriptionToAppState.remove(); //if your react native version min than v 0.65 use the deprecated methode like this this.subscriptionToAppState.removeEventListener("change", this.handleAppStateChange); }
about 4 years ago · Juan Pablo Isaza Report
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