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Authentication

Authentication is the heart of application session, and it one of Service module main feature. DevBase implement Authentication with multiple login Type to try. Initialize Auth like this: 

private val authHandler by lazy { MobileService.auth }

Tip

It's recommended to initialize AuthenticationHandler using Dependency Injection with Singleton

Sign In with Google

Before Sign-In with Google, Activity needed to be registered with ActivityResultContract before it enter onStart lifecycle. Do that like this: 

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    authHandler.registerContract(this)
}
Devbase implement Google Sign-In using One Tap, call signInWithGoogle method like this: 
binding.btnGoogle.setOnClickListener {
    authHandler.signInWithGoogle { success, message ->
        if (success) {
            // Action to do when sign-in successful
        } else {
            // Action to do when sign-in failed
        }
    }
}

Sign In with Other Providers

Other Providers supported are:

  • Twitter

  • Microsoft

  • Github

  • Yahoo

For other providers, call method signInWith to start authentication: 

authHandler.signInWith(TWITTER, activity) {success, message ->
    if(success) {
        // Action to do when sign-in successful
    } else {
        // Action to do when sign-in failed
    }
}

Get Current user

Get current logged in user by calling this method:

// It returns MobileServiceUser when there's user logged in, and null there's not any
authHandler.getCurrentUser()

Auth Listener

App can listen to authentication changes by calling this method: 

authHandler.setAuthListener { authenticated
    if(authenticated) {
        // There's user signed in
    } else {
        // There's no user signed in
    }
}

Logout

When logging out, call this method: 

authHandler.logout
It clear out signed-user, clear FCM Token and generate a new one, and reset Analytics Data for new login user.