react-native-rnpreferencesutils

RNSharedPreferences

A package for working with native shared preferences

Overview

This package provides a lot of function for save and retrieve data from shared preference. By this package save and retrieve string,boolean,float,long and List values.

Installation

< RN 0.47

npm install react-native-rnpreferencesutils@1.1.0 --save

>= RN 0.47

npm install react-native-rnpreferencesutils --save

Project setup and initialization

• In android/settings.gradle

...
include ':react-native-rnpreferencesutils', ':app'
project(':react-native-rnpreferencesutils').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-rnpreferencesutils/android')

• In android/app/build.gradle

...
dependencies {
    compile "com.facebook.react:react-native:+"
    compile project(":react-native-rnpreferencesutils") // <--- add this
}

• Register Module (in MainApplication.java)

import com.rnpreferenceutil.PreferencePackage;;  // <--- import

public class MainActivity extends ReactActivity {
  ......

  @Override
  protected List<ReactPackage> getPackages() {
      return Arrays.<ReactPackage>asList(
          new MainReactPackage(),
          new PreferencePackage() // <--- Add this
      );
  }

  ......

}

Usage

Import

import RNPrefs from "react-native-rnpreferencesutils";

Save string

RNPrefs.saveString("key","value");

Retrieve string value

RNPrefs.getString('key').then(value => {
  console.log(value);
});

Save boolean

RNPrefs.saveBoolean("key","value");

Retrieve boolean value

RNPrefs.getBoolean('key').then(value => {
  console.log(value);
});

Save StringSet

RNPrefs.saveStringSet("key","value");

Retrieve StringSet value

RNPrefs.getStringSet('key').then(value => {
  console.log(value);
});

. . .

Clear all values

RNPrefs.clearAll();

Remove Item

RNPrefs.remove("key");