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Huawei Site Kit is returning Error Code 6

I am trying to develop an android application using Huawei Site Kit. I am following this codelab at the moment : https://developer.huawei.com/consumer/en/codelab/HMSSiteKit/index.html#0 I did everything exactly what codelab says but when I run my application it is throwing an error and in the log it is saying "Error Code 6"
Did anybody received same error before and solved it? Help me please

It seems the API token is invalid,
I searched the official docs and found the list of error codes.
They may help.
https://developer.huawei.com/consumer/en/doc/development/HMS-Guides/hms-site-result-code
Its specifically for site kit only.

searchService = SearchServiceFactory.create(getActivity(), API_KEY);
It seems API key is invalid.

Error when creating project

I am somewhat new to android/google developing and I am having trouble creating my project in the Google Admin console. I am getting this error and I cannot find any resources online as to what it means and how to get around it. If I cannot create my project then I will be unable to access the APIs. Here is the error I am getting:
If anyone has a solution to this error please let me know, as I have been struggling with this for a couple of days. Thank you in advance! (I am also somewhat new to StackOverflow so sorry if I am not doing this right)

Handling error codes in Google Identity Toolkit

I am using Google Identity Toolkit for login into app I am working on. The problem is, when I get an error (INVALID_IDP_RESPONSE, some error codes without explanations and so on), the Toast with an error code appears. I tried to use a custom UI Manager but then I have to handle all the screens and cannot use the default ones. I am pretty happy with everything beside handling error codes.
So, the question is, how could I actually handle all of the error codes as I don't get them in sign in callbacks? Toast is also problem and I want to get rid of it, but I think I have to use custom UI manager, as I mentioned earlier.
Thanks

Yes, in this version you need to use the custom UI manager to avoid the Toast. However, if you constantly see the INVALID_IDP_RESPONSE error, most likely there are some configuration mismatch between your app and your Google Developers Console project.

Android Moodstocks image recognition error

Hello everybody I'm using Moodstrocks API in my application where it has an image recognition. When I followed the example here and ran the app, I'm getting error code 2 which is Invalid use of library. I don't know why I'm getting this error I already imported the libraries and followed the tutorial well. Do you know what could be the mistake I did in here? Your help will truly be appreciated. Thanks.

Disclaimer: I work at Moodstocks.
Most of the time, the "invalid use of the library" error comes from the fact that you are trying to perform operations on a Scanner object that has not been opened, or that has already been closed. Bear in mind that the Scanner must remain opened all along the use of the Moodstocks SDK.
So I guess you should check that the open method has worked as expected, and that the Activity holding the Scanner is not prematurely destroyed.
If that doesn't solve the issue, please contact us directly at support#moodstocks.com, we'll be happy to help you.

Jump to errors with logcat

I develop android apps.
I'm in some confusion about LogCat.
If I sometimes can't Judge where is the error exactly if my app force closes. Is there any way or shortcuts to know where our error exactly ?

If you are developing the application you should know logcat to know the error. It give the complete trace of error. (Exception name and line no etc.)
Without understanding logcat you can not make application in android.
Second thing: If you have developed application, distributed in market and user have some problem in your app. For get to know logcat or errors you can use.
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