I'm new to React Native. While I was developing a native module, I encounter a problem with callbacks.  Below is the error message from React Native  02-05 17:43:26.387 32301-32570/com.awesomeproject2 E/ReactNativeJNI: Got JS Exception: Exception...
I have a component that encapsulates three components one of them is the DrawerLayoutAndroid. Now I want to pass the reference of the drawer from the drawer component to the main component and then pass it to the header component so I can trigger it...
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...
I am new to React Native I want to know how is it possible to deploy react native part or code like javascript files and assets on server and then use it.  Currently it is showing as localhost  Please let me know how to deploy it on server also is it...
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...
I'm trying to check whether a key is available in AsyncStorage with AsyncStorage.getItem('key_name'). If the key is not available it is not  returning null, it still returns following promise object:  Promise _45:0 _54:null _65:null _81:1...
Environment  Windows 10  Npm 5.5.1  react-native-cli 2.0.1  react-native 0.50.3  Genymotion Google Nexus 7 - 6.0.0 API 23  Android stuff:   Sdk Version: 26  buildToolsVersion '26.0.2'  TargetsdkVersion: 26  compile "com.android.support:ap...
I'm having a problem with an async function not returning when running on android whereas it returns normally when run on iOS.   This is the function:  _getLocationAsync = async () => {     let {status} = await Permissions.askAsync(Permissions...

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