React Native Constants File

React Native Constants File

Tiempo de lectura: 2 minutos Reading time: 2 minutes Good afternoon, everyone, In today’s tutorial, I’m going to show you how to create files with constants so that they are accessible from any point in our application and keep everything more organized. This applies both to components and screens. In my case, I’m going to apply it in a component … Read more

Refreshing a FlatList in React Native

Refreshing a FlatList in React Native

Tiempo de lectura: < 1 minuto Reading time: < 1 minute If we remove or add a new item to a FlatList in React Native, we need to follow these steps: First, we need to create a boolean state: const [refreshing, setRefreshing] = React.useState(false); Then, we assign it to the FlatList using the extraData attribute: <FlatList data={itemList} extraData={refreshing} renderItem={({ item }) ... Read more

Resolve Reason: CORS header ‘Access-Control-Allow-Origin’ missing with PHP.

Resolve Reason: CORS header ‘Access-Control-Allow-Origin’ missing with PHP.

Tiempo de lectura: < 1 minuto Reading time: < 1 minute If executing a call to our REST API returns an error message “Cross-origin request blocked: The same origin policy does not allow reading of remote resources” or “Reason: CORS header ‘Access-Control-Allow-Origin’ missing” or “(Reason: CORS request failed)”. Most likely, our server-side REST calls do not have the necessary headers to ... Read more

How to Send a POST Request with Axios in React Native

How to Send a POST Request with Axios in React Native

Tiempo de lectura: < 1 minuto In today’s article, I will show you how to send a POST request using URLSearchParams and the Axios library in React Native/Expo. In previous articles, I taught you how to make a GET request in React Native with Axios and how to perform a POST request with Axios in React Native. To begin, you need … Read more

Making a GET Request in React Native with Axios.

Making a GET Request in React Native with Axios.

Tiempo de lectura: < 1 minuto Reading time: < 1 minute If you want to make an asynchronous GET (ajax) call with React Native, you can’t use jQuery in this environment. Instead, you need to use Axios https://axios-http.com/es/ First, you need to install the dependency by running the following command in the console: expo install axios Once installed, you can create ... Read more

Recovering Forgotten Password with Flutter and Firebase.

Recovering Forgotten Password with Flutter and Firebase.

Tiempo de lectura: < 1 minuto Reading time: < 1 minute To easily reset the password, follow these simple steps. First, we will create the design of the password recovery screen where we will add a text box to enter the email to which the password reset email will be sent. Additionally, we will add a button to perform the sending ... Read more

Creating an Information Popup, Alert with Flutter.

Creating an Information Popup, Alert with Flutter.

Tiempo de lectura: 2 minutos Reading time: 2 minutes To create a popup window, alerts, or information in Flutter, it is very simple by following the following steps: First, we will create the design of the popup window: The code for the widget is as follows: class Alert extends StatelessWidget { Alert({Key? key}) : super(key: key); @override Widget build(BuildContext context) … Read more

Adding AdMob’s ‘Interstitial Videos’ Ad with React Native and Expo.

Adding AdMob’s ‘Interstitial Videos’ Ad with React Native and Expo.

Tiempo de lectura: < 1 minuto Reading time: < 1 minute In today’s tutorial, I’m going to show you how to load a full-screen Interstitial video. The first thing we need to do is set up AdMob in React Native. Add AdMob ads with React Native (Banner) Once it’s set up, we can use this component to display the ads: import ... Read more

Fixing ‘Ad is already loaded’ error when using AdMobRewarded or AdMobInterstitial in React Native.

Fixing ‘Ad is already loaded’ error when using AdMobRewarded or AdMobInterstitial in React Native.

Tiempo de lectura: < 1 minuto Reading time: < 1 minute If you see the message ‘Ad is already loaded’ when running the application on our device or emulator, it means there are issues loading the ad we requested from AdMob. This occurs because the ad is requested once, and when requested a second time, it fails. const reward = async ... Read more