Use SharedPreferences (Android) and UserDefaults (iOS) with React Native over a unified interface.
All data is stored as a string. If you need to support more complex data structures, use serialization/deserialization (e.g. JSON).
$ npm install react-native-default-preference --save
$ cd ios && pod install
$ react-native link react-native-default-preference
- In XCode, in the project navigator, right click
Libraries➜Add Files to [your project's name] - Go to
node_modules➜react-native-default-preferenceand addRNDefaultPreference.xcodeproj - In XCode, in the project navigator, select your project. Add
libRNDefaultPreference.ato your project'sBuild Phases➜Link Binary With Libraries - Run your project (
Cmd+R)<
- Open up
android/app/src/main/java/[...]/MainApplication.java
- Add
import com.kevinresol.react_native_default_preference.RNDefaultPreferencePackage;to the imports at the top of the file - Add
new RNDefaultPreferencePackage()to the list returned by thegetPackages()method
- Append the following lines to
android/settings.gradle:include ':react-native-default-preference' project(':react-native-default-preference').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-default-preference/android') - Insert the following lines inside the dependencies block in
android/app/build.gradle:compile project(':react-native-default-preference')
import DefaultPreference from 'react-native-default-preference';
DefaultPreference.get('my key').then(function(value) {console.log(value)});
DefaultPreference.set('my key', 'my value').then(function() {console.log('done')});function get(key: string): Promise<string | undefined | null>;
function set(key: string, value: string): Promise<void>;
function clear(key: string): Promise<void>;
function getMultiple(keys: string[]): Promise<string[]>;
function setMultiple(data: {[key: string]: string}): Promise<void>;
function clearMultiple(keys: string[]): Promise<void>;
function getAll(): Promise<{[key: string]: string}>;
function clearAll(): Promise<void>;
/** Gets and sets the current preferences file name (android) or user default suite name (ios) **/
function getName(): Promise<string>;
function setName(name: string): Promise<void>;This module is compatible with cordova-plugin-native-storage.
You need to use the same SharedPreference as in the cordova plugin, to do so add the following line:
import { Platform } from 'react-native';
// ...
if (Platform.OS === 'android') DefaultPreference.setName('NativeStorage');You don't need to change the name, as cordova-plugin-native-storage uses the default value.
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