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Papon Ahasan
Papon Ahasan

Posted on • Updated on

Firebase Authentication

#firebase

In your module (app-level) Gradle file (/build.gradle), add the dependency for the Firebase Authentication Android library.

dependencies {
    // Import the BoM for the Firebase platform
    implementation platform('com.google.firebase:firebase-bom:31.2.0')

    implementation 'com.google.firebase:firebase-auth-ktx'
}
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Authentication Services

  • Sign-in providers : Firebase Auth by adding your first sign-in method

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  • Templates

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Sign in with Google

  • In your module (app-level) Gradle file. add the dependency for the Firebase Authentication Android library. 
dependencies {
//Google Play services library and specify its version
    implementation 'com.google.android.gms:play-services-auth:20.4.1'
}
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  • XML Desing 
    <com.google.android.gms.common.SignInButton
        android:id="@+id/signInBtn"
        android:layout_width="match_parent"
        android:layout_margin="16dp"
        android:layout_gravity="center"
        android:layout_height="wrap_content"/>
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        // [START config_signin]Configure Google Sign In
      val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
            .requestIdToken(getString(R.string.web_client_id))
            .requestEmail()
            .build()
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You must pass your "server" client ID to the Credentials page. To find the OAuth 2.0 client ID: The Web application type client ID is your backend server's OAuth 2.0 client ID

    private lateinit var googleSignInClient: GoogleSignInClient
    private const val RC_SIGN_IN = 9001
    googleSignInClient = GoogleSignIn.getClient(this, gso)

   // [START signin]
    private fun signIn() {
        val signInIntent = googleSignInClient.signInIntent
        startActivityForResult(signInIntent, RC_SIGN_IN)
    }
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onViewCreated
onStart
updateUI
then click
signIn
onActivityResult
firebaseAuthWithGoogle
updateUI

onViewCreated
onStart
updateUI

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Email and Password

Sign in with Facebook

Phone Number

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