The Kinde React Native SDK allows developers to quickly and securely integrate a new or an existing React Native application into the Kinde platform.

Kinde React Native SDK 0.6x is compatible with React Native versions 0.60 to 0.69.

• Github: kinde-react-native-sdk-0-6x
• NPM: @kinde-oss/react-native-sdk-0-6x

Kinde React Native SDK 0.7x is compatible with React Native versions 0.70 or higher.

• Github: kinde-react-native-sdk-0-7x
• NPM: @kinde-oss/react-native-sdk-0-7x

Kinde React Native SDK 0.6x and Kinde React Native SDK 0.7x are designed to work well with Expo. You can easily incorporate them into your Expo projects by following the instructions provided in the Expo and React Native SDK documentation.

Compatible versions:

• Expo SDK version 46.0.0: Use Kinde React Native SDK 0.6x
• Expo SDK version 47.0.0 or higher: Use Kinde React Native SDK 0.7x

You can also check out our starter kits on GitHub:

• Starter kit for Kinde React Native SDK 0.6x
• Starter kit for Kinde React Native SDK 0.7x

• If you haven’t already got a Kinde account, register for free here (no credit card required). Registering gives you a Kinde domain, which you need to get started, e.g. yourapp.kinde.com.
• You will also need Node, the React Native command line interface, a JDK, Android Studio (for Android) and Xcode (for iOS).
• Follow the installation instructions for your chosen OS to install dependencies.

ℹ️ Important: Fundamentally, both SDK versions have equivalent functionality, so there should be no issue integrating either of them. In this guide, we use examples from version 0.7x. But version 0.6x is identical in terms of integration and application.

# npm
npm i @kinde-oss/react-native-sdk-0-7x
# yarn
yarn add @kinde-oss/react-native-sdk-0-7x
# pnpm
pnpm i @kinde-oss/react-native-sdk-0-7x

The SDK requires the react-native-keychain and react-native-inappbrowser-reborn packages. Sometimes, they may not be automatically linked correctly, resulting in errors when running your app, such as "Cannot read properties of undefined (reading 'isAvailable')". In such cases, you will need to manually link them:

1. Edit android/settings.gradle

   include ':react-native-keychain'
   project(':react-native-keychain').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-keychain/android')
   
   include ':react-native-inappbrowser-reborn'
   project(':react-native-inappbrowser-reborn').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-inappbrowser-reborn/android')

2. Edit android/app/build.gradle

   apply plugin: 'com.android.application'
   
   android {
     ...
   }
   
   dependencies {
     ...
   
     implementation project(':react-native-keychain')
   	implementation project(':react-native-inappbrowser-reborn')
   
     ...
   }

3. Edit MainApplication.java

   import com.oblador.keychain.KeychainPackage;
   import com.proyecto26.inappbrowser.RNInAppBrowserPackage;
   ...
   
   public class MainApplication extends Application implements ReactApplication {
       private final ReactNativeHost mReactNativeHost =
         new ReactNativeHost(this) {
           ...
           @Override
           protected List<ReactPackage> getPackages() {
   					...
             List<ReactPackage> packages = new PackageList(this).getPackages();
             packages.add(new KeychainPackage());
             packages.add(new RNInAppBrowserPackage());
   					...
             return packages;
           }
           ...
         };
   
     ...
   }

In React Native version 0.73 or above, the MainApplication.java file has been replaced with MainApplication.kt

import com.oblador.keychain.KeychainPackage;
import com.proyecto26.inappbrowser.RNInAppBrowserPackage;
...

class MainApplication : Application(), ReactApplication {
    override val reactNativeHost: ReactNativeHost =
      object : DefaultReactNativeHost(this) {
        override fun getPackages(): List<ReactPackage> =
            PackageList(this).packages.apply {
              // Packages that cannot be autolinked yet can be added manually here, for example:
              // add(MyReactNativePackage())
              add(KeychainPackage());
              add(RNInAppBrowserPackage());
            }

        ...
      }

  ...
}

To update iOS native dependencies, you can use CocoaPods. We recommend installing CocoaPods using Homebrew.

# Install CocoaPods via brew
brew install cocoapods

# Install iOS native dependencies
cd ios && pod install

The SDK requires the react-native-keychain and react-native-inappbrowser-reborn packages. Sometimes, they may not be automatically linked correctly, resulting in errors when running your app, such as "Cannot read properties of undefined (reading 'isAvailable')". In such cases, you will need to manually link them:

1. Option: With CocoaPods (Highly recommended)

   Please add the following lines to your Podfile, and then run pod update:

   pod 'RNKeychain', :path => '../node_modules/react-native-keychain'
   pod 'RNInAppBrowser', :path => '../node_modules/react-native-inappbrowser-reborn'

2. Option: Manually link the packages with Xcode

   • Go to the Build Phases tab and choose Link Binary With Libraries.
   • Select +
   • Add Other > Add Files > node_modules/react-native-keychain/RNKeychain.xcodeproj (similar with RNInAppBrowser)
   • Add libRNKeychain.a (similar with RNInAppBrowser)
   • Clean and rebuild.

If you encounter any errors during the SDK installation process, you can refer to the General Tips section at the end of this topic.

1. In Kinde, go to Settings > Applications.
2. Select View details on the Front-end app.
3. Scroll down to the Callback URLs section.
4. Add in the callback URLs for your React Native app, which should look something like this:
   • Allowed callback URLs - myapp://myhost.kinde.com/kinde_callback
   • Allowed logout redirect URLs - myapp://myhost.kinde.com/kinde_callback

Make sure you press the Save button at the bottom of the page!

Note: The myapp://myhost.kinde.com/kinde_callback is used as an example of local URL Scheme, change to the local local URL Scheme that you use.

If you would like to use our Environments feature as part of your development process. You will need to create them first within your Kinde account. In this case you would use the Environment subdomain in the code block above.

Put these variables in your .env file. You can find these variables on the same page as where you set the callback URLs.

• KINDE_ISSUER_URL - your Kinde domain
• KINDE_POST_CALLBACK_URL - After the user authenticates we will callback to this address. Make sure this URL is under your allowed callback URLs
• KINDE_POST_LOGOUT_REDIRECT_URL - where you want users to be redirected to after logging out. Make sure this URL is under your allowed logout redirect URLs
• KINDE_CLIENT_ID - you can find this on the App Keys page

KINDE_ISSUER_URL=https://your_kinde_domain.kinde.com
KINDE_POST_CALLBACK_URL=myapp://your_kinde_domain.kinde.com/kinde_callback
KINDE_POST_LOGOUT_REDIRECT_URL=myapp://your_kinde_domain.kinde.com/kinde_callback
KINDE_CLIENT_ID=your_kinde_client_id

Configuration example:

KINDE_ISSUER_URL=https://myhost.kinde.com
KINDE_POST_CALLBACK_URL=myapp://myhost.kinde.com/kinde_callback
KINDE_POST_LOGOUT_REDIRECT_URL=myapp://myhost.kinde.com/kinde_callback
KINDE_CLIENT_ID=myclient@live

Open AndroidManifest.xml and update your scheme by adding a new block in activity.

<intent-filter>
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.DEFAULT" />
    <category android:name="android.intent.category.BROWSABLE" />
    <data android:scheme="myapp" android:host="your_kinde_host" />  // Please modify sheme and host to reflect your preferences.
</intent-filter>

You need to link RCTLinking to your project using the steps below.

1. If you also want to listen to incoming app links during your app’s execution, add the following lines to your AppDelegate.m.

   // iOS 9.x or newer
   #import <React/RCTLinkingManager.h>
   - (BOOL)application:(UIApplication *)application
      openURL:(NSURL *)url
      options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options
   {
     return [RCTLinkingManager application:application openURL:url options:options];
   }

2. If you’re targeting iOS 8.x or older, use the following code instead.

   // iOS 8.x or older
   #import <React/RCTLinkingManager.h>
   - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url
     sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
   {
     return [RCTLinkingManager application:application openURL:url
                         sourceApplication:sourceApplication annotation:annotation];
   }

3. Make sure you have a configuration URL scheme in Info.plist, so the app can be opened by deep link.

   <key>CFBundleURLTypes</key>
   <array>
     <dict>
       <key>CFBundleTypeRole</key>
       <string>Editor</string>
       <key>CFBundleURLName</key>
       <string>myapp</string> // you can change it
       <key>CFBundleURLSchemes</key>
       <array>
         <string>myapp</string> // you can change it
       </array>
     </dict>
   </arra

To create a new instance of the KindeSDK object, execute the code below.

import { KindeSDK } from '@kinde-oss/react-native-sdk-0-7x';
...

...
const client = new KindeSDK(YOUR_KINDE_ISSUER, YOUR_KINDE_REDIRECT_URI, YOUR_KINDE_CLIENT_ID, YOUR_KINDE_LOGOUT_REDIRECT_URI);

Kinde provides methods for easily implementing a login / register flow. You can add buttons as follows.

<View>
    <View>
        <Button title="Sign In" onPress={handleSignIn} />
    </View>
    <View>
        <Button title="Sign Up" color="#000" onPress={handleSignUp} />
    </View>
</View>

Then define new functions that match for each button.

Note: Before proceeding, make sure you’ve defined the KindeSDK as a client variable.

...
const handleSignUp = async () => {
  const token = await client.register();
  if (token) {
    // User was authenticated
  }
};

const handleSignIn = async () => {
  const token = await client.login();
  if (token) {
    // User was authenticated
  }
};
...

This is implemented in much the same way as signing in or registering. The Kinde SPA client comes with a logout method:

const handleLogout = async () => {
    const loggedOut = await client.logout();
    if (loggedOut) {
        // User was logged out
    }
};

We have also implemented an API for token revocation. Pass true as an argument in the logout function. This flag will assist in revoking the token without having to open the website within your apps.

const handleLogout = async () => {
    const loggedOut = await client.logout(true);
    if (loggedOut) {
        // User was logged out
    }
};

Note: Handle redirects are now deprecated

Starting from version 1.1 of the SDK, the need to handle redirects has been eliminated. Authentication is now performed by launching a web browser within your app instead of relying on an external browser. For a comprehensive example of how to handle authentication, see below.

const checkAuthenticate = async () => {
    // Using `isAuthenticated` to check if the user is authenticated or not
    if (await client.isAuthenticated) {
        // Need to implement, e.g: call an api, etc...
    } else {
        // Need to implement, e.g: redirect user to sign in, etc..
    }
};

useEffect(() => {
    checkAuthenticate();
}, []);

const handleSignIn = async () => {
    const token = await client.login();

    if (token) {
        // Need to implement, e.g: call an api, etc...
    }
};

const handleSignUp = async () => {
    const token = await client.register();

    if (token) {
        // Need to implement, e.g: call an api, etc...
    }
};

const handleLogout = async () => {
    // With open web in your apps
    const isLoggedOut = await client.logout();

    if (isLoggedOut) {
        // Need to implement, e.g: redirect user to login screen, etc...
    }

    // Without open web in your apps
    const isLoggedOut = await client.logout();

    if (isLoggedOut) {
        // Need to implement, e.g: redirect user to login screen, etc...
    }
};

To access the user information, use the getUserDetails helper function.

const userProfile = await client.getUserDetails();
console.log(userProfile);
// output: {"given_name":"Dave","id":"abcdef","family_name":"Smith","email":"dave@smith.com"}

Go to the Users page in Kinde to see your newly registered user.

Once a user has been verified, your product/application will return the JWT token with an array of permissions for that user. You will need to configure your product/application to read permissions and unlock the respective functions.

Set permissions in your Kinde account. Here’s an example set of permissions.

const permissions = [
    "create:todos",
    "update:todos",
    "read:todos",
    "delete:todos",
    "create:tasks",
    "update:tasks",
    "read:tasks",
    "delete:tasks"
];

We provide helper functions to more easily access permissions.

await client.getPermission("create:todos");
// {orgCode: "org_1234", isGranted: true}

await client.getPermissions();
// {orgCode: "org_1234", permissions: ["create:todos", "update:todos", "read:todos"]}

A practical example in code might look something like.

if ((await client.getPermission("create:todos")).isGranted) {
    // show Create Todo button in UI
}

An audience is the intended recipient of an access token - for example the API for your application. The audience argument can be passed to the Kinde client to request an audience be added to the token.

The audience of a token is the intended recipient of the token.

const client = new KindeSDK(
    YOUR_KINDE_ISSUER,
    YOUR_KINDE_REDIRECT_URI,
    YOUR_KINDE_CLIENT_ID,
    YOUR_KINDE_LOGOUT_REDIRECT_URI,
    YOUR_SCOPES,
    {
        audience: "api.yourapp.com"
    }
);

For details on how to connect, see Register an API.

By default the KindeSDK requests the following scopes:

• profile
• email
• offline
• openid

You can override this by passing scope into the KindeSDK.

const client = new KindeSDK(
    YOUR_KINDE_ISSUER,
    YOUR_KINDE_REDIRECT_URI,
    YOUR_KINDE_CLIENT_ID,
    YOUR_KINDE_LOGOUT_REDIRECT_URI,
    "profile email offline openid"
);

We have provided a helper to grab any claim from your id or access tokens. The helper defaults to access tokens:

await client.getClaim("aud");
// { name: "aud", value ["api.yourapp.com"] }

await client.getClaim("given_name", "id_token");
// { name: "given_name", value: "David" }

To create a new organization within your application, you will need to run a similar function to this.

<Button title="Create Organization" onPress={handleCreateOrg} />

Then define the function of the button.

Make sure you’ve already defined KindeSDK as the client in the state.

const handleCreateOrg = () => {
    client.createOrg();
};

// You can also pass `org_name` as your organization
client.createOrg({org_name: "Your Organization"});

Kinde has a unique code for every organization. You’ll have to pass this code through when you register a new user.

Example function below:

client.register({org_code: "your_org_code"});

If you want a user to sign in into a particular organization, pass this code along with the sign in method.

client.login({org_code: "your_org_code"});

Following authentication, Kinde provides a json web token (jwt) to your application. Along with the standard information we also include the org_code and the permissions for that organization (this is important as a user can belong to multiple organizations and have different permissions for each). Example of a returned token:

Example of a returned token:

{
    "aud": [],
    "exp": 1658475930,
    "iat": 1658472329,
    "iss": "https://your_subdomain.kinde.com",
    "jti": "123457890",
    "org_code": "org_1234",
    "permissions": ["read:todos", "create:todos"],
    "scp": ["openid", "profile", "email", "offline"],
    "sub": "kp:123457890"
}

The id_token will also contain an array of organizations that a user belongs to - this is useful if you wanted to build out an organization switcher for example.

{
  ...
  "org_codes": ["org_1234", "org_4567"]
  ...
}

There are two helper functions you can use to extract information.

await client.getOrganization();
// {orgCode: "org_1234"}

await client.getUserOrganizations();
// {orgCodes: ["org_1234", "org_abcd"]}

For more information about how organizations work in Kinde, see Kinde organizations for developers.

We have provided a helper to return any features flag from the access token:

client.getFlag('theme')
// returns
{
		"is_default": false
  	"value": "pink",
  	"code": "theme",
  	"type": "string",
}

client.getFlag('no-feature-flag')
// Error: This flag 'no-feature-flag' was not found, and no default value has been provided

client.getFlag('no-feature-flag', 'default-value')
// returns
{
		"is_default": true
		"code": "no-feature-flag",
		"value": "default-value",
}

client.getFlag('theme', 'default-theme', 'b')
// Error: Flag 'theme' is type string - requested type boolean

We also require wrapper functions by type which should leverage getFlag above.

/**
 * Get a boolean flag from the feature_flags claim of the access_token.
 * @param {String} code - The name of the flag.
 * @param {Boolean} [defaultValue] - A fallback value if the flag isn't found.
 * @return {Boolean}
 */
kindeClient.getBooleanFlag(code, defaultValue);

kindeClient.getBooleanFlag("is_dark_mode");
// true

kindeClient.getBooleanFlag("is_dark_mode", false);
// true

kindeClient.getBooleanFlag("new_feature");
// Error: This flag 'new_feature' was not found, and no default value has been provided

kindeClient.getBooleanFlag("new_feature", false);
// false (flag does not exist so falls back to default)

kindeClient.getBooleanFlag("theme", "blue");
// Error: Flag 'theme' is type string - requested type boolean

/**
 * Get a string flag from the feature_flags claim of the access_token.
 * @param {String} code - The name of the flag.
 * @param {String} [defaultValue] - A fallback value if the flag isn't found.
 * @return {String}
 */
kindeClient.getStringFlag(code, defaultValue);

/* Example usage */
kindeClient.getStringFlag("theme");
// pink

kindeClient.getStringFlag("theme", "black");
// true

kindeClient.getStringFlag("cta_color");
// Error: This flag 'cta_color' was not found, and no default value has been provided

kindeClient.getStringFlag("cta_color", "blue");
// blue (flag does not exist so falls back to default)

kindeClient.getStringFlag("is_dark_mode", false);
// Error: Flag 'is_dark_mode' is type string - requested type boolean

/**
 * Get an integer flag from the feature_flags claim of the access_token.
 * @param {String} code - The name of the flag.
 * @param {Integer} [defaultValue] - A fallback value if the flag isn't found.
 * @return {Integer}
 */
kindeClient.getIntegerFlag(code, defaultValue);

kindeClient.getIntegerFlag("competitions_limit");
// 5

kindeClient.getIntegerFlag("competitions_limit", 3);
// 5

kindeClient.getIntegerFlag("team_count");
// Error: This flag 'team_count' was not found, and no default value has been provided

kindeClient.getIntegerFlag("team_count", 2);
// 2 (flag does not exist so falls back to default)

kindeClient.getIntegerFlag("is_dark_mode", false);
// Error: Flag 'is_dark_mode' is type boolean - requested type integer+

Once the user has successfully authenticated, you’ll have a JWT and a refresh token and that has been stored securely. E.g. using the getAccessToken method of the Storage class to get an access token.

...
import { Storage } from '@kinde-oss/react-native-sdk-0-7x'
...

const accessToken = await Storage.getAccessToken();
console.log('access_token', accessToken);

We’re using the react-native-keychain for React Native

The storage handler can be found at: Storage class

Run the test suite using the following command at the root of your React Native.

npm run test

Note: Ensure you have already run npm install.

Either your Kinde URL or your custom domain. e.g https://yourapp.kinde.com.

Type: string

Required: Yes

The URL that the user will be returned to after authentication.

Type: string

Required: Yes

The unique ID of your application in Kinde.

Type: string

Required: Yes

Where your user will be redirected when they sign out.

Type: string

Required: Yes

The scopes to be requested from Kinde.

Type: boolean

Required: No

Default: openid profile email offline

Additional parameters that will be passed in the authorization request.

Type: object

Required: No

Default: {}

The audience claim for the JWT.

Type: string

Required: No

Constructs a redirect URL and sends the user to Kinde to sign in.

Arguments:

{
	org_code?: string
}

Usage:

await kinde.login();
// or
await kinde.login({org_code: "your organization code"});

Allow org_code to be provided if a specific organization is being signed into.

Sample output:

{
	"access_token": "eyJhbGciOiJSUzI...",
	"expires_in": 86400,
	"id_token": "eyJhbGciOiJSU...",
	"refresh_token": "yXI1bFQKbXKLD7AIU...",
	"scope": "openid profile email offline",
	"token_type": "bearer"
}

Constructs a redirect URL and sends the user to Kinde to sign up.

Arguments:

{
	org_code?: string
}

Usage:

await kinde.register();
// or
await kinde.register({org_code: "your organization code"});

Allow org_code to be provided if a specific organization is being registered to.

Sample output:

{
	"access_token": "eyJhbGciOiJSUzI...",
	"expires_in": 86400,
	"id_token": "eyJhbGciOiJSU...",
	"refresh_token": "yXI1bFQKbXKLD7AIU...",
	"scope": "openid profile email offline",
	"token_type": "bearer"
}

Logs the user out of Kinde.

Arguments:

isRevoke: boolean; // default is false

Usage:

await kinde.logout();
// or
await kinde.logout(true);

Sample output: true or false

Returns the raw Access token from URL after logged from Kinde.

Arguments:

url?: string

Usage:

await kinde.getToken(url);
// or
await kinde.getToken();

You need to have already authenticated. Otherwise, an error will occur.

Sample output:

{
	"access_token": "eyJhbGciOiJSUzI...",
	"expires_in": 86400,
	"id_token": "eyJhbGciOiJSU...",
	"refresh_token": "yXI1bFQKbXKLD7AIU...",
	"scope": "openid profile email offline",
	"token_type": "bearer"
}

Constructs a redirect URL and sends the user to Kinde to sign up and create a new organization in your business.

Arguments:

{
	org_name?: string
}

Usage:

await kinde.createOrg(); 
// or 
await kinde.createOrg({org_name: 'your organization name'}); _**//**_

Allow org_name to be provided if you want a specific organization name when you create.

Sample output:

{
	"access_token": "eyJhbGciOiJSUzI...",
	"expires_in": 86400,
	"id_token": "eyJhbGciOiJSU...",
	"refresh_token": "yXI1bFQKbXKLD7AIU...",
	"scope": "openid profile email offline",
	"token_type": "bearer"
}

Gets a claim from an access or ID token.

Arguments:

claim: string;
tokenKey?: string

Usage:

await kinde.getClaim("given_name", "id_token");

Sample output:

{ name: "give_name", value: "David"}

Returns the state of a given permission.

Arguments: key: string

Usage:

await kinde.getPermission("read:todos");

Sample output:

{
	"orgCode": "org_1234",
	"isGranted": true
}

Returns all permissions for the current user for the organization they are signed into.

Usage:

await kinde.getPermissions();

Sample output:

{
	"orgCode":"org_1234",
	"permissions": ["create:todos","update:todos","read:todos"]
}

Get details for the organization your user is signed into.

Usage:

await kinde.getOrganization();

Sample output:

{
	"orgCode": "org_1234"
}

Returns the profile for the current user.

Usage:

await kinde.getUserDetails();

Sample output:

{
	"given_name": "Dave",
	"id": "abcdef",
	"family_name": "Smith",
	"email": "dave@smith.com"
}

Gets an array of all organizations the user has access to.

Usage:

await kinde.getUserOrganizations();

Sample output:

{ "orgCodes": ["org1234", "org5678"] }

Return the boolean to demonstrate whether the user is authenticated or not.

Usage:

await kinde.isAuthenticate;

Sample output: true or false

Get a flag from the feature_flags claim of the access_token.

Arguments:

flagName : string;
options? :  OptionalFlag = {}
flagType? : FlagType


type FlagType = 's' | 'b' | 'i';

type OptionalFlag = {
	defaultValue?: string | boolean | number
}

Usage:

kinde.getFlag("theme");

Sample output:

{
    "code": "theme",
    "type": "string",
    "value": "pink",
    "is_default": false
}

Get a boolean flag from the feature_flags claim of the access token

Arguments:

flagName: string
defaultValue?: boolean

Usage:

kinde.getBooleanFlag("is_dark_mode");

Sample output: true

Get a string flag from the feature_flags claim of the access token

Arguments:

flagName: string
defaultValue?: string

Usage:

kinde.getStringFlag("theme");

Sample output: black

Get a integer flag from the feature_flags claim of the access token

Arguments:

flagName: string
defaultValue?: number

Usage:

kinde.getIntegerFlag("team_count");

Sample output: 2

'value' is unavailable: introduced in iOS 12.0

If you got the error ‘value’ is unavailable: introduced in iOS 12.0 when trying to build the app, you can follow the below steps to fix that:

1. In your Xcode project navigator, select Pods.
2. Under Targets, select React-Codegen.
3. Select the Build Settings tab.
4. Under Deployment, set iOS Deployment Target to 12.4.
5. Clean project and rebuild: Product > Clean Build Folder, Product > Build.

6. Dependency 'androidx.browser:browser:1.6.0-beta01' requires libraries and applications that depend on it to compile against version 34 or later of the Android APIs

   The solution is add androidXBrowser = "1.4.0" in your project.

   // android/build.gradle
   buildscript {
       ...
       ext {
           // ...
           androidXBrowser = "1.4.0"
           // ....
       }
       ...
   }

7. Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk8-1.7.22 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.22)

   The solution is add org.jetbrains.kotlin:kotlin-bom:1.8.0 dependency in your project.

   // android/app/build.grade
   dependencies {
       ...
       implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.8.0"))
       ...
   }
   
   

Sometimes there will be issues related to caching when you develop React Native. There are some recommendations for cleaning the cache:

1. Remove node_modules, yarn.lock or package-lock.json.
2. Clean cache: yarn cache clean or npm cache clean --force.
3. Make sure you have changed values in .env file.
4. Trying to install packages again: yarn install or npm install.
5. Run Metro Bundler: yarn start --reset-cache or npm start --reset-cache.

Assume your StarterKit path is <StarterKit_PATH>.

Clean cache for Android

• Run this:

  cd <StarterKit_PATH>/android
  ./gradlew clean
  

Clean cache for iOS

1. Run this:

   cd <StarterKit_PATH>/ios
   rm -rf Pods && rm Podfile.lock
   

2. Clean build folders on Xcode.

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