Added video preview and add comments for biometric authentication and…

… auto-launch settings functions

app/src/main/java/com/android/authentication/MainActivity.kt

@@ -144,9 +144,16 @@ class MainActivity : ComponentActivity() {
                     application = application
                 )
 
-                //TODO: Добавить показывать шторку биометрической аутентификации или нет
-                // диалог о включении биометрии
-                // исправить баг с вызовом шторки и тапом по экрану который возвращает на стартовый экран
+                /**
+                 * Enables or disables automatic biometric authentication dialog launch on validation screen start.
+                 *
+                 * @param enabled True to enable automatic biometric launch, false to disable.
+                 * @param application The application context.
+                 */
+                val autoLaunchBiometricEnabled = pinCodeStateManager.autoLaunchBiometricEnabled(
+                    enabled = true,
+                    application = application
+                )
 
                 Surface(
                     modifier = Modifier.fillMaxSize(),

pinlibrary/src/main/java/com/android/pinlibrary/ui/components/PinCodeContent.kt

@@ -2,16 +2,26 @@ package com.android.pinlibrary.ui.components
 
 import android.hardware.biometrics.BiometricPrompt
 import android.os.Build
-import android.util.Log
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.compose.ui.res.stringResource
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
 import com.android.pinlibrary.ui.systemdesign.indicator.RoundedBoxesRow
 import com.android.pinlibrary.utils.biometric.BiometricScannerScreen
 import com.android.pinlibrary.utils.enums.PinCodeScenario
@@ -36,10 +46,22 @@ fun PinCodeContent(
     val buttonArray = remember { mutableStateListOf<Int>() }
     var quantity by remember { mutableIntStateOf(0) }
     var showBiometricScreen by remember { mutableStateOf(false) }
+    val lifecycleOwner = LocalLifecycleOwner.current
+
+    DisposableEffect(lifecycleOwner) {
+        val observer = LifecycleEventObserver { _, event ->
+            if (event == Lifecycle.Event.ON_CREATE) {
+                showBiometricScreen = settingsManager.isAutoLaunchBiometricEnabled()
+            }
+        }
+        lifecycleOwner.lifecycle.addObserver(observer)
+        onDispose {
+            lifecycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
 
     LaunchedEffect(onNumberClickListener) {
         onNumberClickListener = NumberListener { keyboardEnum ->
-            Log.d("TAGSS", "keyboardEnum = $keyboardEnum, showBiometricScreen = $showBiometricScreen")
             when (keyboardEnum) {
                 KeyboardButtonEnum.BUTTON_FINGERPRINT -> showBiometricScreen = true
                 else -> {

pinlibrary/src/main/java/com/android/pinlibrary/utils/preferences/ISettingsManager.kt

@@ -2,6 +2,8 @@ package com.android.pinlibrary.utils.preferences
 
 interface ISettingsManager {
     fun isBiometricEnabled(): Boolean
+    fun isAutoLaunchBiometricEnabled(): Boolean
+    fun setAutoLaunchBiometricEnabled(enabled: Boolean)
     fun setBiometricEnabled(enabled: Boolean)
     fun getMaxPinAttempts(): Int
     fun setMaxPinAttempts(maxAttempts: Int)

pinlibrary/src/main/java/com/android/pinlibrary/utils/preferences/SettingsManager.kt

@@ -18,6 +18,17 @@ class SettingsManager(context: Context) : ISettingsManager {
         editor.apply()
     }
 
+    override fun isAutoLaunchBiometricEnabled(): Boolean {
+        return sharedPreferences.getBoolean(AUTO_LAUNCH_BIOMETRIC_ENABLED_KEY, true)
+        /** Enabled by default */
+    }
+
+    override fun setAutoLaunchBiometricEnabled(enabled: Boolean) {
+        val editor = sharedPreferences.edit()
+        editor.putBoolean(AUTO_LAUNCH_BIOMETRIC_ENABLED_KEY, enabled)
+        editor.apply()
+    }
+
     override fun getMaxPinAttempts(): Int {
         return sharedPreferences.getInt(MAX_PIN_ATTEMPTS_KEY, 5)
         /** Default 5 attempts */
@@ -42,6 +53,7 @@ class SettingsManager(context: Context) : ISettingsManager {
 
     companion object {
         private const val BIOMETRIC_ENABLED_KEY = "biometric_enabled"
+        private const val AUTO_LAUNCH_BIOMETRIC_ENABLED_KEY = "auto_launch_biometric_enabled"
         private const val MAX_PIN_ATTEMPTS_KEY = "max_pin_attempts"
         private const val PIN_LENGTH_KEY = "pin_length"
     }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/IPinCodeStateManager.kt

@@ -26,6 +26,7 @@ interface IPinCodeStateManager {
     fun isPinCodeSaved(application: Application): Boolean
 
     fun setBiometricEnabled(enabled: Boolean, application: Application): Boolean
+    fun autoLaunchBiometricEnabled(enabled: Boolean, application: Application): Boolean
     fun setMaxPinAttempts(maxAttempts: Int, application: Application): Int
     fun setPinLength(pinLength: Int, application: Application): Int
 

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/PinCodeStateManager.kt

@@ -130,6 +130,19 @@ class PinCodeStateManager private constructor() : IPinCodeStateManager {
         return settingsManager.isBiometricEnabled()
     }
 
+    /**
+     * Set the value of the "Auto-launch biometric authentication" option and return the current value.
+     *
+     * @param enabled true to enable automatic biometric dialog on validation start; false to disable.
+     * @param application Application context.
+     * @return true if automatic biometric launch is enabled; false otherwise.
+     */
+    override fun autoLaunchBiometricEnabled(enabled: Boolean, application: Application): Boolean {
+        val settingsManager = SettingsManager(context = application)
+        settingsManager.setAutoLaunchBiometricEnabled(enabled)
+        return settingsManager.isAutoLaunchBiometricEnabled()
+    }
+
     /**
      * Set the maximum number of pin code entry attempts and return the current value.
      *

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/changepin/ChangePinScreenIntent.kt

@@ -2,9 +2,9 @@ package com.android.pinlibrary.utils.state.changepin
 
 sealed class ChangePinScreenIntent {
 
-    object InitialState : ChangePinScreenIntent()
+    data object InitialState : ChangePinScreenIntent()
     data class EnterCurrentPin(val currentPin: String) : ChangePinScreenIntent()
     data class EnterNewPin(val newPin: String) : ChangePinScreenIntent()
     data class ConfirmNewPin(val newPin: String) : ChangePinScreenIntent()
-    object ChangePin : ChangePinScreenIntent()
+    data object ChangePin : ChangePinScreenIntent()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/changepin/ChangePinScreenState.kt

@@ -1,10 +1,10 @@
 package com.android.pinlibrary.utils.state.changepin
 
 sealed class ChangePinScreenState {
-    object InitialState : ChangePinScreenState()
+    data object InitialState : ChangePinScreenState()
     data class EnteringCurrentPin(val currentPin: String) : ChangePinScreenState()
     data class EnteringNewPin(val newPin: String) : ChangePinScreenState()
     data class ConfirmingNewPin(val newPin: String) : ChangePinScreenState()
-    object PinChangedSuccess : ChangePinScreenState()
+    data object PinChangedSuccess : ChangePinScreenState()
     data class ErrorState(val errorMessage: String) : ChangePinScreenState()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/createpin/CreatePinScreenIntent.kt

@@ -2,8 +2,8 @@ package com.android.pinlibrary.utils.state.createpin
 
 sealed class CreatePinScreenIntent {
 
-    object InitialState : CreatePinScreenIntent()
+    data object InitialState : CreatePinScreenIntent()
     data class EnterPin(val pin: String) : CreatePinScreenIntent()
     data class ConfirmPin(val pin: String) : CreatePinScreenIntent()
-    object CreatePin : CreatePinScreenIntent()
+    data object CreatePin : CreatePinScreenIntent()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/createpin/CreatePinScreenState.kt

@@ -2,9 +2,9 @@ package com.android.pinlibrary.utils.state.createpin
 
 sealed class CreatePinScreenState {
 
-    object InitialState : CreatePinScreenState()
+    data object InitialState : CreatePinScreenState()
     data class EnteringPinState(val pin: String) : CreatePinScreenState()
     data class ConfirmingPinState(val pin: String) : CreatePinScreenState()
-    object PinCreatedState : CreatePinScreenState()
+    data object PinCreatedState : CreatePinScreenState()
     data class ErrorState(val errorMessage: String) : CreatePinScreenState()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/deletepin/DeletePinScreenIntent.kt

@@ -2,7 +2,7 @@ package com.android.pinlibrary.utils.state.deletepin
 
 sealed class DeletePinScreenIntent {
 
-    object InitialState : DeletePinScreenIntent()
+    data object InitialState : DeletePinScreenIntent()
     data class EnterPin(val pin: String) : DeletePinScreenIntent()
-    object DeletePin : DeletePinScreenIntent()
+    data object DeletePin : DeletePinScreenIntent()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/deletepin/DeletePinScreenState.kt

@@ -2,8 +2,8 @@ package com.android.pinlibrary.utils.state.deletepin
 
 sealed class DeletePinScreenState {
 
-    object InitialState : DeletePinScreenState()
+    data object InitialState : DeletePinScreenState()
     data class EnteringPinState(val pin: String) : DeletePinScreenState()
-    object PinDeletedState : DeletePinScreenState()
+    data object PinDeletedState : DeletePinScreenState()
     data class ErrorState(val errorMessage: String) : DeletePinScreenState()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/validationpin/ValidationPinScreenIntent.kt

@@ -2,7 +2,7 @@ package com.android.pinlibrary.utils.state.validationpin
 
 sealed class ValidationPinScreenIntent {
 
-    object InitialState : ValidationPinScreenIntent()
+    data object InitialState : ValidationPinScreenIntent()
     data class EnterPin(val pin: String) : ValidationPinScreenIntent()
-    object ValidatePin : ValidationPinScreenIntent()
+    data object ValidatePin : ValidationPinScreenIntent()
 }

pinlibrary/src/main/java/com/android/pinlibrary/utils/state/validationpin/ValidationPinScreenState.kt

@@ -2,8 +2,8 @@ package com.android.pinlibrary.utils.state.validationpin
 
 sealed class ValidationPinScreenState {
 
-    object InitialState : ValidationPinScreenState()
+    data object InitialState : ValidationPinScreenState()
     data class EnteringPinState(val pin: String) : ValidationPinScreenState()
     data class ErrorState(val errorMessage: String) : ValidationPinScreenState()
-    object PinValidatedState : ValidationPinScreenState()
+    data object PinValidatedState : ValidationPinScreenState()
 }