Expert: Doctor Consult using Dependency Injection with Huawei Kits (Account, Crash, Identity and Analytics) in Android App.

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
maven {url 'https://developer.huawei.com/repo/'}
}
dependencies {
classpath "com.android.tools.build:gradle:4.0.1"
classpath 'com.huawei.agconnect:agcp:1.4.2.300'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}

allprojects {
repositories {
google()
jcenter()
maven {url 'https://developer.huawei.com/repo/'}
}
}

task clean(type: Delete) {
delete rootProject.buildDir
}
implementation 'com.huawei.hms:identity:5.3.0.300'
implementation 'com.huawei.agconnect:agconnect-auth:1.4.1.300'
implementation 'com.huawei.hms:hwid:5.3.0.302'

//Retrofit
implementation 'com.squareup.retrofit2:retrofit:2.7.2'
implementation 'com.squareup.retrofit2:converter-gson:2.7.2'
//Dagger
implementation 'com.google.dagger:dagger:2.13'
annotationProcessor 'com.google.dagger:dagger-compiler:2.13'
implementation 'com.huawei.hms:hianalytics:5.0.3.300'
implementation 'com.huawei.agconnect:agconnect-crash:1.4.1.300'
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
package com.hms.doctorconsultdemo.di;import android.app.Application;
import javax.inject.Singleton;
import dagger.Module;
import dagger.Provides;
@Module
public class AppModule {
private Application mApplication;
public AppModule(Application mApplication) {
this.mApplication = mApplication;
}
@Provides
@Singleton
Application provideApplication() {
return mApplication;
}
}
package com.hms.doctorconsultdemo.di;import android.app.Application;import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import javax.inject.Singleton;import dagger.Module;
import dagger.Provides;
import okhttp3.Cache;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
@Module
public class ApiModule {
String mBaseUrl; public ApiModule(String mBaseUrl) {
this.mBaseUrl = mBaseUrl;
}
@Provides
@Singleton
Cache provideHttpCache(Application application) {
int cacheSize = 10 * 1024 * 1024;
Cache cache = new Cache(application.getCacheDir(), cacheSize);
return cache;
}
@Provides
@Singleton
Gson provideGson() {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
return gsonBuilder.create();
}
@Provides
@Singleton
OkHttpClient provideOkhttpClient(Cache cache) {
OkHttpClient.Builder client = new OkHttpClient.Builder();
client.cache(cache);
return client.build();
}
@Provides
@Singleton
Retrofit provideRetrofit(Gson gson, OkHttpClient okHttpClient) {
return new Retrofit.Builder()
.addConverterFactory(GsonConverterFactory.create(gson))
.baseUrl(mBaseUrl)
.client(okHttpClient)
.build();
}
}
package com.hms.doctorconsultdemo.di;
import com.hms.doctorconsultdemo.MainActivity;
import javax.inject.Singleton;
import dagger.Component;
@Singleton
@Component(modules = {AppModule.class, ApiModule.class})
public interface ApiComponent {
void inject(MainActivity activity);
}
package com.hms.doctorconsultdemo;
import android.app.Application;
import com.hms.doctorconsultdemo.di.ApiComponent;
import com.hms.doctorconsultdemo.di.ApiModule;
import com.hms.doctorconsultdemo.di.AppModule;
import com.hms.doctorconsultdemo.di.DaggerApiComponent;
public class MyApplication extends Application { private ApiComponent mApiComponent; @Override
public void onCreate() {
super.onCreate();
mApiComponent = DaggerApiComponent.builder()
.appModule(new AppModule(this))
.apiModule(new ApiModule("REST_API_URL"))
.build();
}
public ApiComponent getNetComponent() {
return mApiComponent;
}
}
package com.hms.doctorconsultdemo;import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;import com.huawei.hmf.tasks.Task;
import com.huawei.hms.common.ApiException;
import com.huawei.hms.support.hwid.HuaweiIdAuthManager;
import com.huawei.hms.support.hwid.request.HuaweiIdAuthParams;
import com.huawei.hms.support.hwid.request.HuaweiIdAuthParamsHelper;
import com.huawei.hms.support.hwid.result.AuthHuaweiId;
import com.huawei.hms.support.hwid.service.HuaweiIdAuthService;
public class MainActivity extends AppCompatActivity implements View.OnClickListener { private static final int REQUEST_SIGN_IN_LOGIN = 1002;
private static String TAG = MainActivity.class.getName();
private HuaweiIdAuthService mAuthManager;
private HuaweiIdAuthParams mAuthParam;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button view = findViewById(R.id.btn_sign);
view.setOnClickListener(this);
} private void signIn() {
mAuthParam = new HuaweiIdAuthParamsHelper(HuaweiIdAuthParams.DEFAULT_AUTH_REQUEST_PARAM)
.setIdToken()
.setAccessToken()
.createParams();
mAuthManager = HuaweiIdAuthManager.getService(this, mAuthParam);
startActivityForResult(mAuthManager.getSignInIntent(), REQUEST_SIGN_IN_LOGIN);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_sign:
signIn();
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_SIGN_IN_LOGIN) {
Task<AuthHuaweiId> authHuaweiIdTask = HuaweiIdAuthManager.parseAuthResultFromIntent(data);
if (authHuaweiIdTask.isSuccessful()) {
AuthHuaweiId huaweiAccount = authHuaweiIdTask.getResult();
Log.i(TAG, huaweiAccount.getDisplayName() + " signIn success ");
Log.i(TAG, "AccessToken: " + huaweiAccount.getAccessToken());
Intent intent = new Intent(this, HomeActivity.class);
intent.putExtra("user", huaweiAccount.getDisplayName());
startActivity(intent);
this.finish();
} else {
Log.i(TAG, "signIn failed: " + ((ApiException) authHuaweiIdTask.getException()).getStatusCode());
}
}
}
}

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