Ionic Local Storage Tutorial

There are variety of options available for storing data within an ionic app.

Ionic local storage tutorial.

How to integrate native storage into an ionic app. You can target the most popular native platforms using the front end web tools and languages i e html css. It can save key value pairs and even json objects. Ionic 5 allows you to create cross platform mobile applications for android ios and progressive web apps with one codebase.

This post is all about saving data locally in your cool new app. This tutorial will cover how to use ionic 5 angular local native storage to easily store and persist key value pairs and json objects. It makes it easy to add offline storage to ionic apps that is secure encrypted on device highly performant and provides advanced nosql data querying. Ionic storage abstracts all the available mechansims for data storage such as native cordova sqlite and browser storage apis like indexeddb websql or localstorage.

The localstorage or indexeddb is used to store data in progressive web apps and simply works on the browser. Cordova s sqlite storage plugin is used to save the data in key value pairs json format we use ionic s storage module with cordova s cordova sqlite storage plugin. Ionic 5 tutorial with local storage crud and theming example. Check ionic s storage package tutorial here.

A year ago i wrote a tutorial on how to use pouchdb sqlite for an ionic 1 app now that ionic 2 is in beta i ve updated the tutorial for ionic 2 and the recently released cordova sqlite plugin 2. In this post you will learn. Storage uses a variety of storage engines underneath picking the best one available depending on the platform. How to implement cordova sqlite storage in our app.

1 ionic s ionic storage package with cordova s cordova sqlite storage plugin which is very easy to integrate and use. This plugin uses native storage of android. In sqlite in ionic 4 is used for native apps that work on mobile devices. When running in a native app context storage will prioritize using sqlite as it s one of the most stable and widely used file based databases and avoids some of the pitfalls of things like localstorage and indexeddb such as the os.

Before start first you will need an ionic app to start with hence you can follow how to create an ionic app for beginners and start after that from here. The code in this tutorial is now up to date with ionic 2 0 0 rc 4 december 2016.