React native – Push notifications with Expo

[Fuente: https://docs.expo.io/versions/latest/guides/push-notifications]   BIG INCONVENIENT: At the moment this post writting: with EXpo there is no way of getting an unique device identifier (react-native-device-info package need detaching from Expo) Push Notifications Push Notifications are an important feature to, as “growth hackers” would say, retain and re-engage users and monetize on their attention, or something. From my point of […]

React Native Animations – Info compilation

[Fuente: https://facebook.github.io/react-native/docs/animations] [Fuente: https://scotch.io/@rakshitkrsoral/the-beginners-guide-to-using-react-native-animated-api] [Fuente: https://www.raizlabs.com/dev/2018/03/react-native-animations-part1/] Animations Animations are very important to create a great user experience. Stationary objects must overcome inertia as they start moving. Objects in motion have momentum and rarely come to a stop immediately. Animations allow you to convey physically believable motion in your interface. React Native provides two complementary animation […]

Publishing a NativeScript Android App in Google Play

[Fuente: https://developer.android.com/studio/publish/app-signing#signing-manually] Compilar y firmar tu aplicación desde la línea de comandos No necesitas Android Studio para firmar tu aplicación. Puedes hacerlo desde la línea de comandos con la herramienta apksigner, o bien configurar Gradle para que se encargue de ello durante la compilación. En cualquier caso, debes generar primero una clave privada usando keytool. Por ejemplo: […]

React Native Internals

[ Fuente: https://www.reactnative.guide/3-react-native-internals/3.1-react-native-internals.html ] React Native Internals React Native is a framework which allows developers to build native apps using Javascript. Wait! Cordova already does that and it has been around for quite a while. Why would anyone want to use RN? The primary difference between RN and Cordova based apps is that Cordova based […]

React native: Expo: How Expo Works

[ Fuente: https://docs.expo.io/versions/v26.0.0/workflow/how-expo-works ] How Expo Works While it’s certainly not necessary to know any of this to use Expo, many engineers like to know how their tools work. We’ll walk through a few key concepts here, including: Local development of your app Publishing/deploying a production version of your app How Expo manages changes to […]

React Native : Building native releases

[Fuente: https://facebook.github.io/react-native/docs/signed-apk-android.html https://docs.expo.io/versions/v26.0.0/distribution/building-standalone-apps#content https://docs.expo.io/versions/v26.0.0/expokit/detach#content ] Contents Generating Signed APK Expo: Building standalone apps Expo: Detach Generating Signed APK Android requires that all apps be digitally signed with a certificate before they can be installed, so to distribute your Android application via Google Play store, you’ll need to generate a signed release APK. The Signing Your Applications page on […]

React Native: Image snippets

Full width & height import React, { Component } from ‘react’; import { View, Image } from ‘react-native’; import splashImage from ‘../assets/img/Marvel-Comics-Logo.png’; class Splash extends Component { render() { const { imageStyle, containerStyle } = styles; return ( <View style={containerStyle}> <Image style={imageStyle} source={splashImage} /> </View> ); } } const styles = { containerStyle: { flex: […]

React Native: Generating Signed APK (Android)

[Fuente: https://facebook.github.io/react-native/docs/signed-apk-android.html] Android requires that all apps be digitally signed with a certificate before they can be installed, so to distribute your Android application via Google Play store, you’ll need to generate a signed release APK. The Signing Your Applications page on Android Developers documentation describes the topic in detail. This guide covers the process in brief, as […]

Angular 1.5 : A guide to build components

[Source: https://www.sitepoint.com/building-angular-1-5-components/] In Angular 1, components are the mechanism which allows you to create your own custom HTML elements. This has been possible with Angular directives in the past, but components build on the various improvements that have been made to Angular and enforce best practices in how they are built and designed. In this […]