I am trying to validate a users email, by checking it against an expression. But the result i am getting is invalid for all the entries.   UPDATED CODE  class dummytest extends Component{    constructor(props){     super(props);     this.state = {...
I have a React Native View containing a Text field, and I'm using the onLayout prop to do some positional calculations which rely on the data it provides.    <View onLayout={this.calculateDimensions}>   <Text>{this.props.content}</...
I want my react-native app to be available for share from Whatsapp, Skype, Photos.. I tried using react-native-share-extension but it is only showing the extension in the Safari browser.  How to implement the sharing feature in applications other tha...
I am building a signup form and I want to add icons but the icon should look different on different platform for example If I use Ionicons it should show ios-person on ios device and md-person on android devices. How can I build a custom component li...
So I've been follow this tutorial and adapting for what I need.  I've checked the other answer but can't quite make out what I'm missing?  For the search engines, the error is: undefined is not an object, router, getStateForAction...
Expected Behavior  App to load as it does on android.  Actual Behavior  Error: babelHelpers.asyncToGenerator is not a function    Environment:  OS: macOS Sierra 10.12.1 Node: 7.9.0 Yarn: 0.20.3 npm: 4.2.0 Watchman: 4.9.0 Xcode: Xcode 8.3.3 Build vers...
How can I call method from onPress on Alert function [React-Native]  <Button   onPress={{() => Alert.alert(     'Alert Title',     'alertMessage',     [       {text: 'Cancel', onPress: () => console.log('Cancel Pr...
As far as I know, push notification can be used in react native, even when the app is closed. would it be possible to use push notification to run a background task in react native?  for example, when a push notification is sent to a device, it runs...
I've just encountered a weird issue that I didn't know why it was happening. For some reason, I can't scroll to the bottom of my <ScrollView>.  Here's my code: https://repl.it/Iqcx/0  Thanks!...
I'm using React Native's TextInput. I noticed that enablesReturnKeyAutomatically makes the keyboard's return key disabled until some text is entered. Is there a way to control the disabled state of the return key myself?...

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