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

[tonyyhliu]

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!