react-native-android

In React Native how to Store values in session ? I need to store login details (Username , Password) in session . Could you Please Give any ideas. Use AsyncStorage . Example: For save: AsyncStorage.multiSet([ ["email", userInfo.email], ["password", userInfo.password] ]) For Delete: let keys = ['email', 'password']; AsyncStorage.multiRemove(keys, (err) => { console.log('Local storage user info removed!'); }); For Get: AsyncStorage.multiGet(['email', 'password']).then((data) => { let email = data[0][1]; let password = data[1][1]; if (email !== null) //Your logic }); PDTA: as Raheel mentions

I am developing a trivia game, I am using react-navigation to handle navigation, I have 3 components, (newGame, Questions, Results ) I don't want the user to go back to the questions from the results page if the no. of questions has been exhausted, however, pressing the back button ( Android Hardware ) is taking him back to the questions. I then tried to handle the hardware back button like so: componentWillMount() { this.props.gameState(true); BackHandler.addEventListener('hardwareBackPress', () => { if (this.props.gamePlaying) { // Currently set to true. I will set it to false again on

My code gets Json data to an array lists the data using a FlatList . It looks like a phonebook photo and text in a row. Here is My code: renderItem = ({ item }) => ( <ListItem title={item.username} avatar={{ uri: item.photo }} /> ) render() { console.log(this.state.myData); return ( <View style={styles.container}> <FlatList data={this.state.myData} renderItem={this.renderItem} /> </View> ); } Its works and I get the output, but the performance is slow. Rendering takes approximately 10 seconds which is annoying to the user. What should I do to make it faster? Here are some improvements you can

I have an app here where I need to put the logo in the navbar. That need to overflow the scene layout. Work well in Ios with no problem but in android seem like he not working. I put the code at the bottom of the images. As you can see I use EStyleSheet so that let me use %. IOS Android import React from 'react'; import { Scene, Router } from 'react-native-router-flux'; import EStyleSheet from 'react-native-extended-stylesheet'; import { View, Platform } from 'react-native'; import { SmallLogo } from './components'; import { checkColor } from './helpers'; import { HomeScreen, ImagePickerScreen

React-navigation docs are still young, and reading through the issues is not working quite much for me (changes on each version) does anyone have a working method to center title in Android using react-navigation in React Native? Val Use headerTitleStyle : static navigationOptions = { headerTitleStyle: { alignSelf: 'center' }, title: 'Center Title', } Modified 2019/03/12: In year of 2018, after react-navigation v2 release (7 Apr 2018), for some reason alignSelf was not working anymore. Here it is the new working way, using headerLayoutPreset . from @HasanSH: const HomeActivity_StackNavigator =

I have a warning when running React Native on an Android device: Debugger and device times had drifted by more than 60s. Please correct this by running adb shell "date `date +%m%d%H%M%Y.%S`" on your debugger machine But when I run the command as suggested above, I get and operation not permitted error: date: cannot set date: Operation not permitted I already tried with sudo, still got same result: sudo adb shell "date `date +%m%d%H%M%Y.%S`" atinder Inside the emulator goto Settings > Date & Time Deselect Automatic timezone. Adjust your timezone manually. Deselect automatic date & time and set