Questions tagged as 'react-native'

Tagged questions
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Error "undefined is not an object" in plugin react-native iOS for MercadoPago? [closed]

The problem is that I need to call Mercado Pago from my application that is done in react-native, but I can not find the form. I found one, but it's only for Android . How can I integrate it, is there an Official SDK or MercadoPago Plug...
asked by 26.01.2017 / 03:43
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keytool in windows does not work to get hash for Facebook

I am working with the Facebook SDK for android however there is a section that asks me to generate an authentication hash using keytool, but it throws me the following error: this is the documentation that I follow: How can I s...
asked by 29.03.2018 / 19:56
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Pass variable from one component to another in React Native

I have a component that calculates the imc : class CalculateScreen extends React.Component { constructor(props) { super(props); this.state = {peso: '', altura: '', imc: 0}; } calculateImc = () => { const { peso, altura }...
asked by 02.11.2017 / 00:22
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React Native [Error: Camera is not running] Is there a way to reboot the camera within a specific view?

I have a button that removes photos, works very well inside a view, you can remove several photos (The result in the console) this is the image on the cel this is the code import React, { Component } from 'react'; import { Sty...
asked by 09.06.2018 / 15:42
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Problem with redux-saga and firebase when executing a actions

I'm trying to activate an action in the execution of a saga, the problem is that the Action is never activated, this is the code: import firebase from 'react-native-firebase'; function authorize(query) { console.log(query.size); if(query....
asked by 02.07.2018 / 08:22
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Is there an iOS emulator for Ubuntu 16.04?

I am starting to develop applications in React Native , I have ubuntu 16.04 LTS , and I have the problem that I can not install Xcode since I do not have a mac , use GenyMotion to emulate the system android...
asked by 29.10.2018 / 16:23
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help with React native: Failed building JavaScript bundle / Restarted watchman

Good afternoon, I'm starting with React native and I came out of nowhere a problem that does not let me do anything, just in the terminal every time I give reload to the application it says "Failed building JavaScript bundle" and in the next one...
asked by 14.12.2017 / 23:26
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React native does not work

I have a problem with native react, I create new projects and it does not let me run them. The error occurs directly, I only create the project and immediately execute it. The red screen appears with the following error:    Failed ot load bun...
asked by 19.01.2018 / 19:34
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React Native: Unable to download JS bundle

I created the sample application in React Native, following the initial tutorial that the official site has: React Native Android But, when I execute    react-native run-android I find the following error: Anyone who know...
asked by 20.12.2015 / 01:35
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Problem with "Gradle sync failed: Could not find any matches for com.android.tools.build:gradle:2.2.+"

Today in the morning I went to start my project in react-native and I have not managed to compile it for android. I get this fault. "Gradle sync failed: Could not find any matches for com.android.tools.build:gradle:2.2.+ as not versions of...
asked by 10.12.2018 / 17:06