If you add your key and key credentials with others, they can generate the release build and they can use your account to update the application. How does the App signing helps here? As far as I know is, App Signing stores distribution key to Google servers. What you are sharing with others is upload key which allows them to upload the apk.
I created the support library version of FingerprintDialog. Check it put on GitHub. It’s open source. Ofcourse!!!
This JSON file is the file which yo downloaded from the google console. This file containes all the keys/credentials for OAuth process while using Google Assistanst. This may be in your “Downloads” folder if you downloaded it using Chrome or any other browser. You can head over to “Downloads” in your browser and select “Show containing folder” to view where that file is stored.
Because enum requires more memory and in many java applications memory is crucial thing. Specially when you are developing for mobile applications for android.
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I agree with your point. If you want to create goroutine in Go, all you need to use is “go” keyword in front of the function. That’s it. Your function will run on different goroutine. (Here is an example : https://gobyexample.com/goroutines)