Introduction
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Quality improvement has become crucial in this era of digitalization where all our documents are kept in the folders, shared over the network and read on the digital device.
Imaging the grapple of an elderly person who has no way to read and understand an old prescribed medical document which has gone blurred and deteriorated.
Can we evade such issues??
NO!!
Let’s unbind what Huawei ML Kit offers to overcome such challenges of our day to day life.
Huawei ML Kit provides Text Recognition API to improvise the quality and visibility of old and blurred text on an image.
Text Recognition API is very important and useful the industries where the data is huge and required to be extracted from the images.
Text Recognition API provides two ways to read and process the data on an image:
Local
Huawei ML kit’s Text Recognition API can detect and read the text on an image using the algorithms configured on the device itself and does not require any interaction with cloud and internet.
Remote
Huawei ML kit’s Text Recognition API can analyse and read the text on an image using cloud algorithm API and require interaction with cloud and internet.
Development Overview
We will be focusing on simple text recognition from an image using on device detection API’s
Prerequisite
1. Must have a Huawei Developer Account
2. Must have a Huawei phone with HMS 4.0.0.300 or later
3. React Native environment with Android Studio, Node Js and Visual Studio code.
Major Dependencies
1. React Native CLI : 2.0.1
2. Gradle Version: 6.0.1
3. Gradle Plugin Version: 4.0.1
4. React Native ML Kit SDK : 5.0.0
5. react-native-hms-ml kit gradle dependency
6. AGCP gradle dependency
Software Requirements
1. Java SDK 1.8 or later
2. Android 5.0 or later
Preparation
1. Create a react native project using React Native CLI and open android directory.
2. Download the React Native ML Kit SDK and paste it under Node modules directory of React Native project.
3. Create an app and project in the Huawei AppGallery Connect.
4. Provide the SHA Key and App Package name of the project.
5. Enable the ML API and download the agconnect-services.json file and paste to the app folder of your android folder.
Integration
Add below to build.gradle (project) file, under buildscript/repositories and allprojects/repositories.
Code:
Maven {url 'http://developer.huawei.com/repo/'}
Add below to build.gradle (app) file, under dependencies to use the ML kit SDK in your React Native application.
Code:
dependencies{
// Import the SDK.
implementation project(":react-native-hms-ml ")
…
…
implementation 'com.huawei.agconnect:agconnect-core:1.2.1.301'
}
Add below under Settings.Gradle file
Code:
include ':react-native-hms-ml
project(':react-native-hms-ml).projectDir = new File(rootProject.projectDir, '../node_modules/react-native-hms-ml /android')
Add below under MainApplication,java file.
Code:
import com.huawei.hms.rn.ml.HmsMlPackage;
public class MainApplication extends Application implements ReactApplication {
...
@Override
protected List<ReactPackage> getPackages() {
@SuppressWarnings("UnnecessaryLocalVariable")
List<ReactPackage> packages = new PackageList(this).getPackages();
//Add following line. Don't forget to add import statement also.
packages.add(new HmsMlPackage());
return packages;
}
...
};
Use case
Huawei ML kit’s Text Recognition API provides many different use cases, however our focus would be reading a hand written note and display the text on the application using on device capabilities of the API.
App.js
App.js file acts as entry point and creates navigation to navigate on required service page.
More details, you can check https://forums.developer.huawei.com/forumPortal/en/topic/0204424693794850035
Interesting.
Rebis said:
Interesting.
Click to expand...
Click to collapse
THANKS
If the text is not visible properly using this service can we extract the data.
Related
More information like this, you can visit HUAWEI Developer Forum
HUAWEI Account Kit offers very simple, quick and secure sign in and authorization functionalities which help many developers to implement hassle free and quick sign in functionalities for their applications.
HUAWEI Account Kit offers services on different parameters as
Quick and Standard
Massive user base and global services
Secure, reliable, and compliant with international standards
Quick sign-in to apps
Development Overview
Prerequisite
1. Must have a Huawei Developer Account
2. Must have a Huawei phone with HMS 4.0.0.300 or later
3. React Native environment with Android Studio, Node Js and Visual Studio code.
Major Dependencies
1. React Native CLI : 2.0.1
2. Gradle Version: 6.0.1
3. Gradle Plugin Version: 3.5.2
4. React Native Account Kit SDK : 5.0.0.300
5. React-native-hms-account kit gradle dependency
6. AGCP gradle dependency
7. Enable Auth Services
Preparation
1. Create an app or project in the Huawei app gallery connect.
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Describes the Step 1.0
Describes the Step 1.1
2. Provide the SHA Key and App Package name of the project in App Information Section and enable the required API.
Describes the Step 2.0
Describes the Step 2.1
Describes the Step 2.2
Describes the Step 2.3: Enable Account Kit Api on Manage Api page
Describes the Step 2.4: Put SHA signature generated using Android Studio
Describes the Step 2.5: Download agc services file and paste it under App folder of the project.
3. Create a react native project, use the below command
Code:
“react-native init project name”
4. Download the React Native Account Kit SDK and paste it under Node Modules directory of React Native project.
5. Enable Auth services
Describes the Step 5.1: Redirect to Auth Services and enable the required authorization service.
Describes the Step 5.2: copy the App ID and App Secret from “My Apps “ page and paste them here.
Tips
1. agconnect-services.json is not required for integrating the hms-ads-sdk.
2. Run below command under project directory using CLI if you cannot find node modules.
Code:
“npm install” & “npm link”
Integration
1. Configure android level build.gradle
Add to buildscript/repositories and allprojects/repositories
Code:
maven {url 'http://developer.huawei.com/repo/'}
2. Configure app level build.gradle. (Add to dependencies)
Code:
Implementation project (“: react-native-hms-ads”)
3. Linking the HMS Account Kit Sdk.
Run below command in the project directory
Code:
react-native link react-native-hms-account
Development Process
Once sdk is integrated and ready to use, add following code to your App.js file which will import the API’s present.
Import the SDK
Sign In
Sign Out
Testing
Import the SDK
Add below line of code in the app.js file
Code:
import RNHMSAccount from "react-native-hms-account";
Sign In
To sign in, create a signInData object and set the field values. Then invoke the signIn method of the HMSAccount module, setting the signInData object as the argument. If the sign in is successful, an AuthHuaweiId object will be returned, an exception object is returned otherwise.
Add below code on the “SIGN IN” button click
Code:
const onSignIn = () => {
let signInData = {
huaweiIdAuthParams:
RNHMSAccount.HmsAccount
.CONSTANT_HUAWEI_ID_AUTH_PARAMS_DEFAULT_AUTH_REQUEST_PARAM,
scopes: [RNHMSAccount.HmsAccount.SCOPE_ID_TOKEN],
};
RNHMSAccount.HmsAccount.signIn(signInData)
.then((response) => {
logger(JSON.stringify(response));
})
.catch((err) => {
logger(err);
});
};
Sign Out
To sign out, invoke the signOut method of the HMSAccount module. The promise is resolved if the sign in is successful, is rejected otherwise.
Add below code on the “SIGN OUT” button click.
Code:
const onSignOut = () => {
RNHMSAccount.HmsAccount.signOut()
.then((response) => {
logger(JSON.stringify(response));
})
.catch((err) => {
logger(err);
});
};
Testing
Run the below command to build the project
Code:
React-native run-android
Upon successful build, run the below command in the android directory of the project to create the signed apk.
Code:
gradlew assembleRelease
Results
References
https://developer.huawei.com/consumer/en/doc/development/HMS-Plugin-Guides/introduction-0000001050725712
Conclusion
Adding SignIn and SignOut functionalities seems easy.
thanks. very helpful.
Useful sharing, thanks!!
Introduction
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Image Classification is the process where a computer device can analyse and define the image category or class in simple language.
Image Classification can be used in many intelligent services, photo gallery application and to design highly efficient security products and services.
Huawei ML Kit enable developers to use its highly efficient API’s to implement the image classification for their mobile applications.
Huawei ML Kit classifies the elements presents in an image into defined categories such as objects, environment, artwork, animal, etc.
Huawei ML Kit’s Image Classification API’s are available for two different classification modes
On Device
Device based classification API’s analyse and detects the image category by running the on device algorithm and supports over 400 different image categories.
On Cloud
Cloud based classification API’s analyse and detects the image category by running the on cloud algorithm and supports over 12000 different image categories.
Development Overview
We will be focusing on simple Image Classification service from an image using on device API’s
Prerequisite
1. Must have a Huawei Developer Account
2. Must have a Huawei phone with HMS 4.0.0.300 or later
3. React Native environment with Android Studio, Node Js and Visual Studio code.
Major Dependencies
1. React Native CLI : 2.0.1
2. Gradle Version: 6.0.1
3. Gradle Plugin Version: 4.0.1
4. React Native ML Kit SDK : 5.0.0
5. react-native-hms-ml kit gradle dependency
6. AGCP gradle dependency
Software Requirements
1. Java SDK 1.8 or later
2. Android 5.0 or later
Preparation
1. Create a react native project using React Native CLI and open android directory.
2. Download the React Native ML Kit SDK and paste it under Node modules directory of React Native project.
3. Create an app and project in the Huawei AppGallery Connect.
4. Provide the SHA Key and App Package name of the project.
5. Enable the ML API and download the agconnect-services.json file and paste to the app folder of your android folder.
Integration
Add below to build.gradle (project) file, under buildscript/repositories and allprojects/repositories.
Maven {url 'http://developer.huawei.com/repo/'}
Add below to build.gradle (app) file, under dependencies to use the ML kit SDK in your React Native application.
Code:
dependencies{
// Import the SDK.
implementation project(":react-native-hms-ml ")
…
…
implementation 'com.huawei.agconnect:agconnect-core:1.2.1.301'
}
Add below under Settings.Gradle file
Code:
include ':react-native-hms-ml
project(':react-native-hms-ml).projectDir = new File(rootProject.projectDir, '../node_modules/react-native-hms-ml /android')
Add below under MainApplication.java file.
Code:
import com.huawei.hms.rn.ml.HmsMlPackage;
public class MainApplication extends Application implements ReactApplication {
...
@Override
protected List<ReactPackage> getPackages() {
@SuppressWarnings("UnnecessaryLocalVariable")
List<ReactPackage> packages = new PackageList(this).getPackages();
//Add following line. Don't forget to add import statement also.
packages.add(new HmsMlPackage());
return packages;
}
...
};
Add below under AndroidManifest.xml file
Code:
<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<application
<meta-data
android:name="com.huawei.hms.ml.DEPENDENCY"
android:value="ocr"/>
</application>
Use case
Huawei ML kit’s Image Classification API provides many different use cases, however we will take very simple gallery image classification as example.
Imageclassification.js
Imageclassification.js is a java script file which we will keep under “src” folder of the project to have the navigation stack from the launch page.
We will re-direct to “Classify” tab from here to showcase the image classification capabilities.
More details, you can check https://forums.developer.huawei.com/forumPortal/en/topic/0203430657683920058
Introduction
Huawei provides various services for developers to make ease of development and provides best user experience to end users. In this article, we will be integrating following kits:
Ads Kit
Game services
Analytics Kit
Location Kit
Push Kit
We will learn to integrate above HMS Kits in Unity game development using official plugin. And by integrating in single application gives experience the ease of development and give best user experience and showcases stability of the kits, and how we can use kits efficiently to make users experience the best of it.
Development Overview
You need to install Unity software and I assume that you have prior knowledge about the unity and C#.
Hardware Requirements
A computer (desktop or laptop) running Windows 10.
A Huawei phone (with the USB cable), which is used for debugging.
Software Requirements
Java JDK installation package.
Unity software installed.
Visual Studio/Code installed.
HMS Core (APK) 4.X or later.
Integration Preparations
1. Create a project in AppGallery Connect.
2. Create Unity project.
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3. Adding Huawei HMS AGC Services to project.
5. Generate a SHA-256 certificate fingerprint.
To generating SHA-256 certificate fingerprint use below command.
6. Configure the signing certificate fingerprint.
7. Download and save the configuration file.
Add the agconnect-services.json file following dir Assets > Plugins > Android
8. Add the following plugin and dependencies in LaucherTemplate
Code:
apply plugin: 'com.huawei.agconnect'
Code:
implementation 'com.huawei.agconnect:agconnect-core:1.4.1.300'
implementation 'com.huawei.hms:base:5.0.0.301'
implementation 'com.huawei.hms:hwid:5.0.3.301'
implementation 'com.huawei.hms:game:5.0.1.302'
implementation 'com.huawei.hms:push:4.0.1.300'
implementation 'com.huawei.hms:hianalytics:5.0.3.300'
9. Add the following dependencies in MainTemplate.
Code:
implementation 'com.huawei.agconnect:agconnect-core:1.4.1.300'
implementation 'com.huawei.hms:base:5.0.0.301'
implementation 'com.huawei.hms:hwid:5.0.3.301'
implementation 'com.huawei.hms:game:5.0.1.302'
implementation 'com.huawei.hms:hianalytics:5.0.3.300'
implementation 'com.huawei.hms:ads-lite:13.4.29.303'
implementation 'com.huawei.hms:ads-consent:3.4.30.301'
implementation 'com.huawei.hms:push:4.0.1.300'
implementation 'com.huawei.hms:location:5.0.0.301'
10. Add the following dependencies in MainTemplate.
repositories & class path in BaseProjectTemplate.
Code:
maven { url 'https://developer.huawei.com/repo/' }
Code:
classpath 'com.huawei.agconnect:agcp:1.2.1.301'
11. Add Achievement details in AGC > My apps
12. Add LeaderBoard details.
Continue reading..
Tips and Tricks
Add agconnect-services.json file without fail.
Add SHA-256 fingerprint without fail.
Add Achievements and LeaderBoad details before run.
Make sure dependencies added in build files.
Enable location and accept permission to read location.
Conclusion
We have learnt integration of HMS GameService Kit, Ads Kit,Location kit, Push Kit and Analytics kit in Unity. Error code while fetching Player extra information and Event Begin and end.
7006: The account has not been registered in Chinese mainland. In this case, perform bypass and no further action is required.
Thanks for reading, please do like and comment your queries or suggestions.
Read full article
References
Hms game services
HMS Ads Kit
HMS Analytics Kit
HMS Push Kit
Location Kit
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Introduction
In this article, we will be integrating Huawei Account Kit in an Application.
Account Kit
Account Kit: Account Kit provides you with simple, secure and quick sign-in and authorization functions. Instead of entering accounts and passwords and waiting for authentication, users can just tap the Sign in with HUAWEI ID button to quickly and securely sign in to your app with their HUAWEI IDs.
React Native
REACT Native helps you create real and exciting mobile apps with the help of JavaScript only, which is supportable for both android and iOS platforms.
Just code once, and the REACT Native apps are available for both iOS and Android platforms which helps to save development time.
React Native is a framework that builds a hierarchy of UI components to build the JavaScript code.
It uses the same fundamental UI building blocks as regular iOS and Android apps.
Requirements
Any operating system (MacOS, Linux and Windows).
Must have a Huawei phone with HMS 4.0.2.300 or later.
Must have a laptop or desktop with Android Studio, Jdk 1.8, SDK platform 26 and Gradle 4.6 installed.
Minimum API Level 21 is required.
Required EMUI 9.0.0 and later version devices.
Integrate HMS Dependencies
First register as Huawei developer and complete identity verification in Huawei developers website, refer to register a Huawei ID.
Create a project in android studio, refer Creating an Android Studio Project.
Generate a SHA-256 certificate fingerprint.
To generate SHA-256 certificate fingerprint. Choose View > Tool Windows > Gradle > Signingreport > SHA256 code or use cmd as explained in SHA256 CODE
Create an App in AppGallery Connect.
Download the agconnect-services.json file from App information, copy and paste in android Project under app directory, as follows.
Enter SHA-256 certificate fingerprint and click Save, as follows.
Click Manage APIs tab and enable Account Kit.
React Native Project Preparation
Environment set up, refer below link.
Setting up the development environment · React Native
This page will help you install and build your first React Native app.
reactnative.dev
Create project using below command.
Code:
react-native init project name
Download the React Native Account Kit SDK and paste it under Node Modules directory of React Native project. If you cannot find node modules run below command under project directory using CLI.
Code:
“npm install” & “npm link”
Configure android level build.gradle
Add to buildscript/repositories and allprojects/repositories
Code:
maven {url 'http://developer.huawei.com/repo/'}
Configure app level build.gradle. (Add to dependencies)
Code:
Implementation project (“:react-native-hms-account”)
Linking the HMS Account Kit Sdk.
Run below command in the project directory
Code:
react-native link react-native-hms-account
Add below permissions to Android.manifest file.
Code:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
Development
Account Kit provides APIs for normal sign-in, silent sign-in, sign-out, and authorization revoking. Create a UI in your Android Studio project. An example is shown in the following figure.
1. signIn()
Sign In securely to the application using Huawei ID.
JavaScript:
import HMSAccount, {
HMSAuthParamConstants,
HMSAuthRequestOptionConstants,
} from "react-native-hms-account";
let signInData = {
huaweiIdAuthParams: HMSAuthParamConstants.DEFAULT_AUTH_REQUEST_PARAM,
authRequestOption: [
HMSAuthRequestOptionConstants.ID_TOKEN,
HMSAuthRequestOptionConstants.EMAIL,
],
};
HMSAccount.signIn(signInData)
.then((response) => {
console.log(response);
})
.catch((err) => {
console.log(err);
});
2. signOut()
Signing out securely using the signOut() method.
JavaScript:
HMSAccount.signOut()
.then(() => {
console.log("signOut -> Success")
})
.catch((err) => {
console.log(err)
});
3. silentSignIn()
With silent sign-in, users can sign in without using their credentials for consecutive sign-ins
JavaScript:
import HMSAccount, { HMSAuthParamConstants } from "react-native-hms-account";
let silentSignInData = {
huaweiIdAuthParams: HMSAuthParamConstants.DEFAULT_AUTH_REQUEST_PARAM,
};
HMSAccount.silentSignIn(silentSignInData)
.then((response) => {
console.log(response)
})
.catch((err) => {
console.log(err)
});
4. cancelAuthorization()
Revoking authorization is intended to increase security by forcing the users to use sign-in credentials while signing in.
JavaScript:
HMSAccount.cancelAuthorization()
.then(() => {
console.log("cancelAuthorization -> Success")
})
.catch((err) => {
console.log(err)
});
5. HMSReadSMSManager
Read SMS manager is a service that listens to verification code SMS events.
JavaScript:
import { HMSReadSMSManager } from "react-native-hms-account";
HMSReadSMSManager.smsVerificationCode()
.then((response) => {
console.log(response)
})
.catch((err) => {
console.log(err)
});
Testing
Run the android App using the below command.
Code:
react-native run-android
Result
Conclusion
In this article, we have learnt that how to integrate HMS Account Kit using React Native. HMS Toolkit helps us to Connects users from a wide range of devices, including phones, tablets, and smart displays. It serves over 900 million users from 190+ countries and regions worldwide and supports 70+ Languages. It guarantees two-factor authentication, real-time risk prediction, and GDPR compliance.
Reference
Account Kit: Documentation
Account Kit: Training Video
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Introduction
In this article, I will be integrating Huawei Account Kit in a Travel application. Account Kit provides you with simple, secure and quick sign-in and authorization functions. Instead of entering accounts and passwords and waiting for authentication, users can just tap the Sign in with HUAWEI ID button to quickly and securely sign in to your app with their HUAWEI IDs.
React Native
REACT Native helps you create real and exciting mobile apps with the help of JavaScript only, which is supportable for both android and iOS platforms.
Just code once, and the REACT Native apps are available for both iOS and Android platforms which helps to save development time.
React Native is a framework that builds a hierarchy of UI components to build the JavaScript code.
It uses the same fundamental UI building blocks as regular iOS and Android apps.
Requirements
1. Any operating system (MacOS, Linux and Windows).
2. Must have a Huawei phone with HMS 4.0.2.300 or later.
3. Must have a laptop or desktop with Android Studio, Jdk 1.8, SDK platform 26 and Gradle 4.6 installed.
4. Minimum API Level 21 is required.
5. Required EMUI 9.0.0 and later version devices.
Integrate HMS Dependencies
1. First register as Huawei developer and complete identity verification in Huawei developers website, refer to register a Huawei ID.
2. Create a project in android studio, refer Creating an Android Studio Project.
3. Generate a SHA-256 certificate fingerprint.
4. To generate SHA-256 certificate fingerprint. Choose View > Tool Windows > Gradle > Signingreport > SHA256 code.
Or use cmd as explained in SHA256 CODE
5. Create an App in AppGallery Connect.
6. Download the agconnect-services.json file from App information, copy and paste in android Project under app directory, as follows.
7. Enter SHA-256 certificate fingerprint and click Save, as follows.
8. Click Manage APIs tab and enable Account Kit.
React Native Project Preparation
9. Environment set up, refer below link.
Setting up the development environment · React Native
This page will help you install and build your first React Native app.
reactnative.dev
10. Create project using below command.
Code:
react-native init project name
11. Download the React Native Account Kit SDK and paste it under Node Modules directory of React Native project. If you cannot find node modules run below command under project directory using CLI.
Code:
“npm install” & “npm link”
12. Configure android level build.gradle
Code:
Add to buildscript/repositories and allprojects/repositories
maven {url 'http://developer.huawei.com/repo/'}
13. Configure app level build.gradle. (Add to dependencies)
Code:
Implementation project (“:react-native-hms-account”)
14. Linking the HMS Account Kit Sdk.
Run below command in the project directory
Code:
react-native link react-native-hms-account
15. Add below permissions to Android.manifest file.
XML:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
Development
Sign in and sign out (Without Auth Button)
signIn()
Sign In securely to the application using Huawei ID.
JavaScript:
import HMSAccount, {
HMSAuthParamConstants,
HMSAuthRequestOptionConstants,
} from "react-native-hms-account";
let signInData = {
huaweiIdAuthParams: HMSAuthParamConstants.DEFAULT_AUTH_REQUEST_PARAM,
authRequestOption: [
HMSAuthRequestOptionConstants.ID_TOKEN,
HMSAuthRequestOptionConstants.EMAIL,
],
};
HMSAccount.signIn(signInData)
.then((response) => {
console.log(response);
})
.catch((err) => {
console.log(err);
});
Sign Out
JavaScript:
HMSAccount.signOut()
.then(() => {
console.log("signOut -> Success")
})
.catch((err) => {
console.log(err)
});
Sign in using HMSAuthButton
JavaScript:
import HMSAccount, { HMSAccountAuthService, HMSAuthParamConstants, HMSAuthScopeListConstants, HMSAuthRequestOptionConstants } from "@hmscore/react-native-hms-account";
signIn = () => {
let signInData = {
accountAuthParams: HMSAuthParamConstants.DEFAULT_AUTH_REQUEST_PARAM,
authRequestOption: [HMSAuthRequestOptionConstants.ID_TOKEN, HMSAuthRequestOptionConstants.ACCESS_TOKEN],
authScopeList: [HMSAuthScopeListConstants.EMAIL]
};
HMSAccountAuthService.signIn(signInData)
.then((response) => { console.log(response) })
.catch((err) => { console.log(err) });
};
...
<HMSAuthButton
style={styles.viewcontainer}
colorPolicy={
HMSAccount.HUAWEI_ID_AUTH_BUTTON_COLOR_POLICY_RED
}
enabled={true}
theme={HMSAccount.HUAWEI_ID_AUTH_BUTTON_THEME_FULL_TITLE}
cornerRadius={
HMSAccount.HUAWEI_ID_AUTH_BUTTON_CORNER_RADIUS_MEDIUM
}
onPress={signIn}
/>
Testing
Run the android App using the below command.
react-native run-android
Result
Tips and Tricks
1. Set minSDK version to 24 or later, otherwise you will get AndriodManifest merge issue.
2. Make sure you have added the agconnect-services.json file to app folder.
3. Make sure you have added SHA-256 fingerprint without fail.
4. Make sure all the dependencies are added properly.
5. For project cleaning navigate to android directory and run the below command.
gradlew clean
Conclusion
In this article, we have learnt that how to integrate HMS Account Kit using React Native. HMS Toolkit helps us to Connects users from a wide range of devices, including phones, tablets, and smart displays. It serves over 900 million users from 190+ countries and regions worldwide and supports 70+ Languages. It guarantees two-factor authentication, real-time risk prediction, and GDPR compliance.
Reference
Account Kit: Documentation
Account Kit: Training Video