react-native-android

i'm new to react native and i was trying to build an app to see how it works,i followed the steps given here Getting Started with React Native till npm start,everything seems to be fine,after i type npm start,it says 12:08:53 PM: Starting packager... and gets stuck at that,am i doing something wrong,I'm on Ubuntu 16.04 any inputs would be helpful Sahand It was fixed by runnig sudo sysctl -w fs.inotify.max_user_watches=10000 See this site: https://forums.expo.io/t/packager-not-loading-on-linux/2034/3 everyone has a different solution, depending on the problem.I have a few step that work for me

I am trying to populate an image with a URl <Image source={{uri: this.state.imageURL}} style={styles.thumb} /> I request the image from the server, using the fetch API, and it returns a blob. I then convert the BLOB into a URL using the following line: var imageURL = window.URL.createObjectURL(attachmentBLOB); When I console.log() the imageURL it prints: blob:http%3A//localhost%3A8081/4ce24d92-0b7e-4350-9a18-83b74bed6f87 I am getting no errors or warning. The image is just not displaying I am using the android emulator. Please help. Thanks in advance! Solution React-Native does not support

I have an array in my state named Categories . These are its values: ['Food', 'Home', 'Savings'] . My goal is that I need them to be rendered as Picker.items for my user to select. How is that possible? I tried using ListView inside a Picker object, but when I navigate to that page, AppName stopped Working prompts. Manjeet Singh You don't need to use listview within picker var options ={ "1": "Home", "2": "Food", "3": "Car", "4": "Bank", }; <Picker style={{your_style}} mode="dropdown" selectedValue={this.state.selected} onValueChange={()=>{}}> {Object.keys(options).map((key) => { return (

I am new to React-Native and android app development as a whole. While i try to run remote debugger in Android Emulator (Pixel 2 phone), I get the following error in the emulator: Then after, even if I stop remote debugging, the application won't run on the emulator (i.e. nothing is rendered into the emulator screen). I need to run the project again. Following is the auto-generated debugger URL: http://10.0.2.2:8081/debugger-ui How can I Fix this problem? http://10.0.2.2:8081/debugger-ui This is internal IP the Android VM, with your browser use localhost:8081/debugger-ui reference https:/

I need implement Headless JS in my React Native Android Application, but I got following issue : Here is My Code : index.android.js : import React, { Component } from 'react'; import {AppRegistry} from 'react-native'; import SomeTaskName from './SomeTaskName' AppRegistry.registerComponent('SomeTaskName', () => SomeTaskName); SomeTaskName.js module.exports = async (taskData) => { alert('test'); } MyTaskService.java import android.content.Intent; import android.os.Bundle; import com.facebook.react.HeadlessJsTaskService; import com.facebook.react.bridge.Arguments; import com.facebook.react

How to exit application with twice clicking the back button without needing Redux I was looking for a solution to limit the user and do not get out of the application with one click in react native. Mahdi Bashirpour import React, {Component} from 'react'; import {BackHandler, View, Dimensions, Animated, TouchableOpacity, Text} from 'react-native'; let {width, height} = Dimensions.get('window'); export default class App extends Component<Props> { state = { backClickCount: 0 }; constructor(props) { super(props); this.springValue = new Animated.Value(100); } componentWillMount() { BackHandler