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react-native link react-native-google-signin |
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<GoogleSigninButton style={styles.googleButton} size={GoogleSigninButton.Size.Wide} color={GoogleSigninButton.Color.Dark} onPress={this.signIn} /> |
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signIn = async () => { try { GoogleSignin.configure(); await GoogleSignin.hasPlayServices(); const userInfo = await GoogleSignin.signIn(); this.setState({userInfo}, () => { console.log(this.state.userInfo); }); //log in is success! } catch (error) { console.log(error); if (error.code === statusCodes.SIGN_IN_CANCELLED) { // user cancelled the login flow } else if (error.code === statusCodes.IN_PROGRESS) { // operation (f.e. sign in) is in progress already } else if (error.code === statusCodes.PLAY_SERVICES_NOT_AVAILABLE) { // play services not available or outdated } else { // some other error happened } } }; |
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isSignedIn = async () => { const isSignedIn = await GoogleSignin.isSignedIn(); if (isSignedIn) { //the user is already signed in } else { //the user is not logged in yet } }; |
