AWSAppSyncClient to perform API calls, using ClientFactory.java. Error in logcat reads "Please check the AppSync configuration in awsconfiguration.json."

Hi,
I am using AWS Amplify and came across some issues. My app logs in perfectly and on restarting the app, the UserState is SIGNED_IN
But when I try to build an appsync client it gives the following exception:

> Please check the AppSync configuration in awsconfiguration.json.

I've copied the code from the AWS Amplify Docs, and my code is the following in ClientFactory.java:

> public static synchronized void init(final Context context) {
> if (client == null) {
> final AWSConfiguration awsConfiguration = new AWSConfiguration(context);
> client = AWSAppSyncClient.builder()
> .context(context)
> .awsConfiguration(awsConfiguration)
> .cognitoUserPoolsAuthProvider(new CognitoUserPoolsAuthProvider() {
> @Override
> public String getLatestAuthToken() {
> try {
> return AWSMobileClient.getInstance().getTokens().getIdToken().getTokenString();
> } catch (Exception e){
> Log.e("APPSYNC_ERROR", e.getLocalizedMessage());
> return e.getLocalizedMessage();
> }
> }
> }).build();
> }
> }

My logcat has the following messages:

`Caused by: java.lang.RuntimeException: Please check the AppSync configuration in awsconfiguration.json.
at com.amazonaws.mobileconnectors.appsync.AWSAppSyncClient$Builder.build(AWSAppSyncClient.java:485)
at com.example.events.ClientFactory.init(ClientFactory.java:31)
at com.example.events.MainActivity.onCreate(MainActivity.java:69)
at android.app.Activity.performCreate(Activity.java:7136)
at android.app.Activity.performCreate(Activity.java:7127)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) 
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) 
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) 
at android.os.Handler.dispatchMessage(Handler.java:106) 
at android.os.Looper.loop(Looper.java:193) 
at android.app.ActivityThread.main(ActivityThread.java:6669) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) 
Caused by: java.lang.RuntimeException: Found conflicting AuthMode. Should be API_KEY but you selected AMAZON_COGNITO_USER_POOLS`

My app crashes on start and I'm not quite sure how to fix this. Any advice would be greatly appreciated!

Begin with ClientFactory.java:31 and MainActivity.java:69, then inspect awsconfiguration.json and AWSAppSyncClient.Builder.build at the logged SDK location. Compare the configured and selected authentication modes; done means the client initializes without the conflicting-AuthMode exception and the app no longer crashes.

Written by the indexing model from the issue text.