react-native-shared-preferences-modify

React Native Shared Preferences

Android's Native key value storage system in React Native

Installation

>= RN 0.47

npm install react-native-shared-preferences-android --save

Project setup and initialization

• In android/settings.gradle

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

• In android/app/build.gradle

...
dependencies {
    /* YOUR DEPENDENCIES HERE */
    compile "com.facebook.react:react-native:+"
    compile project(":react-native-shared-preferences-android") // <--- add this
}

• Register Module (in MainApplication.java)

import in.sriraman.sharedpreferences.RNSharedPreferencesReactPackage;  // <--- import

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

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

  ......

}

Usage

Import

var SharedPreferences = require("react-native-shared-preferences-android");

Configure name of preferences file. (Optional. Must be called before other functions.)

Set Item

SharedPreferences.setItem("key", "value", "nameFile");

Get an value

SharedPreferences.getItem("key", function (value), {
    console.log(value);
});

Clear all values

SharedPreferences.clear();

Remove Item

SharedPreferences.removeItem("key");

Credits

Sujith Niraikulathan.