feat: extract routes from example app to main library

auth/build.gradle.kts

@@ -97,6 +97,8 @@ dependencies {
     implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
+    implementation("androidx.navigation:navigation-compose:2.8.3")
+    implementation("com.google.zxing:core:3.5.3")
     implementation("com.google.android.libraries.identity.googleid:googleid:1.1.1")
     annotationProcessor(Config.Libs.Androidx.lifecycleCompiler)
 

auth/src/main/java/com/firebase/ui/auth/compose/configuration/string_provider/AuthUIStringProvider.kt

@@ -236,6 +236,87 @@ interface AuthUIStringProvider {
     /** Loading progress text */
     val progressDialogLoading: String
 
+    /** Label shown when the user is signed in. String should contain a single %s placeholder. */
+    fun signedInAs(userIdentifier: String): String
+
+    /** Action text for managing multi-factor authentication settings. */
+    val manageMfaAction: String
+
+    /** Action text for signing out. */
+    val signOutAction: String
+
+    /** Instruction shown when the user must verify their email. Accepts the email value. */
+    fun verifyEmailInstruction(email: String): String
+
+    /** Action text for resending the verification email. */
+    val resendVerificationEmailAction: String
+
+    /** Action text once the user has verified their email. */
+    val verifiedEmailAction: String
+
+    /** Message shown when profile completion is required. */
+    val profileCompletionMessage: String
+
+    /** Message listing missing profile fields. Accepts a comma-separated list. */
+    fun profileMissingFieldsMessage(fields: String): String
+
+    /** Action text for skipping an optional step. */
+    val skipAction: String
+
+    /** Action text for removing an item (for example, an MFA factor). */
+    val removeAction: String
+
+    /** Action text for navigating back. */
+    val backAction: String
+
+    /** Action text for confirming verification. */
+    val verifyAction: String
+
+    /** Action text for choosing a different factor during MFA challenge. */
+    val useDifferentMethodAction: String
+
+    /** Action text for confirming recovery codes have been saved. */
+    val recoveryCodesSavedAction: String
+
+    /** Label for secret key text displayed during TOTP setup. */
+    val secretKeyLabel: String
+
+    /** Label for verification code input fields. */
+    val verificationCodeLabel: String
+
+    /** Generic identity verified confirmation message. */
+    val identityVerifiedMessage: String
+
+    /** Title for the manage MFA screen. */
+    val mfaManageFactorsTitle: String
+
+    /** Helper description for the manage MFA screen. */
+    val mfaManageFactorsDescription: String
+
+    /** Header for the list of currently enrolled MFA factors. */
+    val mfaActiveMethodsTitle: String
+
+    /** Header for the list of available MFA factors to enroll. */
+    val mfaAddNewMethodTitle: String
+
+    /** Message shown when all factors are already enrolled. */
+    val mfaAllMethodsEnrolledMessage: String
+
+    /** Label for SMS MFA factor. */
+    val smsAuthenticationLabel: String
+
+    /** Label for authenticator-app MFA factor. */
+    val totpAuthenticationLabel: String
+
+    /** Label used when the factor type is unknown. */
+    val unknownMethodLabel: String
+
+    /** Label describing the enrollment date. Accepts a formatted date string. */
+    fun enrolledOnDateLabel(date: String): String
+
+    /** Description displayed during authenticator app setup. */
+    val setupAuthenticatorDescription: String
+
     /** Network error message */
     val noInternet: String
 
@@ -339,4 +420,20 @@ interface AuthUIStringProvider {
 
     /** Generic error message for MFA enrollment failures */
     val mfaErrorGeneric: String
+
+    // Re-authentication Dialog
+    /** Title displayed in the re-authentication dialog. */
+    val reauthDialogTitle: String
+
+    /** Descriptive message shown in the re-authentication dialog. */
+    val reauthDialogMessage: String
+
+    /** Label showing the account email being re-authenticated. */
+    fun reauthAccountLabel(email: String): String
+
+    /** Error message shown when the provided password is incorrect. */
+    val incorrectPasswordError: String
+
+    /** General error message for re-authentication failures. */
+    val reauthGenericError: String
 }

auth/src/main/java/com/firebase/ui/auth/compose/configuration/string_provider/DefaultAuthUIStringProvider.kt

@@ -235,6 +235,87 @@ class DefaultAuthUIStringProvider(
         get() = localizedContext.getString(R.string.fui_required_field)
     override val progressDialogLoading: String
         get() = localizedContext.getString(R.string.fui_progress_dialog_loading)
+
+    override fun signedInAs(userIdentifier: String): String =
+        localizedContext.getString(R.string.fui_signed_in_as, userIdentifier)
+
+    override val manageMfaAction: String
+        get() = localizedContext.getString(R.string.fui_manage_mfa_action)
+
+    override val signOutAction: String
+        get() = localizedContext.getString(R.string.fui_sign_out_action)
+
+    override fun verifyEmailInstruction(email: String): String =
+        localizedContext.getString(R.string.fui_verify_email_instruction, email)
+
+    override val resendVerificationEmailAction: String
+        get() = localizedContext.getString(R.string.fui_resend_verification_email_action)
+
+    override val verifiedEmailAction: String
+        get() = localizedContext.getString(R.string.fui_verified_email_action)
+
+    override val profileCompletionMessage: String
+        get() = localizedContext.getString(R.string.fui_profile_completion_message)
+
+    override fun profileMissingFieldsMessage(fields: String): String =
+        localizedContext.getString(R.string.fui_profile_missing_fields_message, fields)
+
+    override val skipAction: String
+        get() = localizedContext.getString(R.string.fui_skip_action)
+
+    override val removeAction: String
+        get() = localizedContext.getString(R.string.fui_remove_action)
+
+    override val backAction: String
+        get() = localizedContext.getString(R.string.fui_back_action)
+
+    override val verifyAction: String
+        get() = localizedContext.getString(R.string.fui_verify_action)
+
+    override val useDifferentMethodAction: String
+        get() = localizedContext.getString(R.string.fui_use_different_method_action)
+
+    override val recoveryCodesSavedAction: String
+        get() = localizedContext.getString(R.string.fui_recovery_codes_saved_action)
+
+    override val secretKeyLabel: String
+        get() = localizedContext.getString(R.string.fui_secret_key_label)
+
+    override val verificationCodeLabel: String
+        get() = localizedContext.getString(R.string.fui_verification_code_label)
+
+    override val identityVerifiedMessage: String
+        get() = localizedContext.getString(R.string.fui_identity_verified_message)
+
+    override val mfaManageFactorsTitle: String
+        get() = localizedContext.getString(R.string.fui_mfa_manage_factors_title)
+
+    override val mfaManageFactorsDescription: String
+        get() = localizedContext.getString(R.string.fui_mfa_manage_factors_description)
+
+    override val mfaActiveMethodsTitle: String
+        get() = localizedContext.getString(R.string.fui_mfa_active_methods_title)
+
+    override val mfaAddNewMethodTitle: String
+        get() = localizedContext.getString(R.string.fui_mfa_add_new_method_title)
+
+    override val mfaAllMethodsEnrolledMessage: String
+        get() = localizedContext.getString(R.string.fui_mfa_all_methods_enrolled_message)
+
+    override val smsAuthenticationLabel: String
+        get() = localizedContext.getString(R.string.fui_mfa_label_sms_authentication)
+
+    override val totpAuthenticationLabel: String
+        get() = localizedContext.getString(R.string.fui_mfa_label_totp_authentication)
+
+    override val unknownMethodLabel: String
+        get() = localizedContext.getString(R.string.fui_mfa_label_unknown_method)
+
+    override fun enrolledOnDateLabel(date: String): String =
+        localizedContext.getString(R.string.fui_mfa_enrolled_on, date)
+
+    override val setupAuthenticatorDescription: String
+        get() = localizedContext.getString(R.string.fui_mfa_setup_authenticator_description)
     override val noInternet: String
         get() = localizedContext.getString(R.string.fui_no_internet)
 
@@ -319,4 +400,19 @@ class DefaultAuthUIStringProvider(
         get() = localizedContext.getString(R.string.fui_mfa_error_network)
     override val mfaErrorGeneric: String
         get() = localizedContext.getString(R.string.fui_mfa_error_generic)
+
+    override val reauthDialogTitle: String
+        get() = localizedContext.getString(R.string.fui_reauth_dialog_title)
+
+    override val reauthDialogMessage: String
+        get() = localizedContext.getString(R.string.fui_reauth_dialog_message)
+
+    override fun reauthAccountLabel(email: String): String =
+        localizedContext.getString(R.string.fui_reauth_account_label, email)
+
+    override val incorrectPasswordError: String
+        get() = localizedContext.getString(R.string.fui_incorrect_password_error)
+
+    override val reauthGenericError: String
+        get() = localizedContext.getString(R.string.fui_reauth_generic_error)
 }

auth/src/main/java/com/firebase/ui/auth/compose/mfa/MfaEnrollmentContentState.kt

@@ -85,6 +85,9 @@ data class MfaEnrollmentContentState(
     /** Optional error message to display. `null` if no error. */
     val error: String? = null,
 
+    /** The last exception encountered during enrollment, if available. */
+    val exception: Exception? = null,
+
     /** Callback to navigate to the previous step. */
     val onBackClick: () -> Unit = {},
 

composeapp/src/main/java/com/firebase/composeapp/ui/components/QrCodeImage.kt → auth/src/main/java/com/firebase/ui/auth/compose/ui/components/QrCodeImage.kt

@@ -12,14 +12,13 @@
  * limitations under the License.
  */
 
-package com.firebase.composeapp.ui.components
+package com.firebase.ui.auth.compose.ui.components
 
 import android.graphics.Bitmap
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.size
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -34,13 +33,16 @@ import com.google.zxing.WriterException
 import com.google.zxing.qrcode.QRCodeWriter
 
 /**
- * Composable that displays a QR code image generated from the provided content.
+ * Renders a QR code from the provided content string.
  *
- * @param content The string content to encode in the QR code (e.g., TOTP URI)
- * @param modifier Modifier to be applied to the QR code image
- * @param size The size (width and height) of the QR code image
- * @param foregroundColor The color of the QR code pixels (default: black)
- * @param backgroundColor The background color of the QR code (default: white)
+ * This component is typically used to display TOTP enrollment URIs. The QR code is generated on the
+ * fly and memoized for the given [content].
+ *
+ * @param content The string content to encode into the QR code (for example the TOTP URI).
+ * @param modifier Optional [Modifier] applied to the QR container.
+ * @param size The size of the QR code square in density-independent pixels.
+ * @param foregroundColor Color used to render the QR pixels (defaults to black).
+ * @param backgroundColor Background color for the QR code (defaults to white).
  */
 @Composable
 fun QrCodeImage(
@@ -53,7 +55,7 @@ fun QrCodeImage(
     val bitmap = remember(content, size, foregroundColor, backgroundColor) {
         generateQrCodeBitmap(
             content = content,
-            sizePx = (size.value * 2).toInt(), // 2x for better resolution
+            sizePx = (size.value * 2).toInt(), // Render at 2x for better scaling quality.
             foregroundColor = foregroundColor,
             backgroundColor = backgroundColor
         )
@@ -75,15 +77,6 @@ fun QrCodeImage(
     }
 }
 
-/**
- * Generates a QR code bitmap from the provided content.
- *
- * @param content The string to encode
- * @param sizePx The size of the bitmap in pixels
- * @param foregroundColor The color for the QR code pixels
- * @param backgroundColor The background color
- * @return A Bitmap containing the QR code, or null if generation fails
- */
 private fun generateQrCodeBitmap(
     content: String,
     sizePx: Int,
@@ -93,7 +86,7 @@ private fun generateQrCodeBitmap(
     return try {
         val qrCodeWriter = QRCodeWriter()
         val hints = mapOf(
-            EncodeHintType.MARGIN to 1 // Minimal margin
+            EncodeHintType.MARGIN to 1 // Small margin keeps QR code compact while remaining scannable.
         )
 
         val bitMatrix = qrCodeWriter.encode(
@@ -132,7 +125,6 @@ private fun generateQrCodeBitmap(
 
         bitmap
     } catch (e: WriterException) {
-        e.printStackTrace()
         null
     }
 }