adding gamepad support

app/src/main/java/com/mintris/MainActivity.kt

@@ -31,8 +31,15 @@ import android.util.Log
 import android.view.KeyEvent
 import android.os.Handler
 import android.os.Looper
+import android.view.MotionEvent
+import com.mintris.game.GamepadController
+import android.view.InputDevice
+import android.widget.Toast
+import android.content.BroadcastReceiver
+import android.content.IntentFilter
+import android.app.AlertDialog
 
-class MainActivity : AppCompatActivity() {
+class MainActivity : AppCompatActivity(), GamepadController.GamepadConnectionListener {
     
     companion object {
         private const val TAG = "MainActivity"
@@ -66,6 +73,24 @@ class MainActivity : AppCompatActivity() {
     // Activity result launcher for high score entry
     private lateinit var highScoreEntryLauncher: ActivityResultLauncher<Intent>
 
+    // Gamepad controller
+    private lateinit var gamepadController: GamepadController
+    
+    // Input device change receiver
+    private val inputDeviceReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context, intent: Intent) {
+            when (intent.action) {
+                Intent.ACTION_CONFIGURATION_CHANGED -> {
+                    // A gamepad might have connected or disconnected
+                    checkGamepadConnections()
+                }
+            }
+        }
+    }
+    
+    // Track connected gamepads to detect changes
+    private val connectedGamepads = mutableSetOf<String>()
+    
     override fun onCreate(savedInstanceState: Bundle?) {
         // Register activity result launcher for high score entry
         highScoreEntryLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
@@ -93,6 +118,10 @@ class MainActivity : AppCompatActivity() {
         themeSelector = binding.themeSelector
         blockSkinSelector = binding.blockSkinSelector
         
+        // Initialize gamepad controller
+        gamepadController = GamepadController(gameView)
+        gamepadController.setGamepadConnectionListener(this)
+        
         // Set up touch event forwarding
         binding.touchInterceptor?.setOnTouchListener { _, event ->
             if (gameView.visibility == View.VISIBLE && !gameView.isPaused && !gameView.isGameOver()) {
@@ -231,8 +260,35 @@ class MainActivity : AppCompatActivity() {
             updateUI(score, level, lines)
         }
         
-        gameView.onGameOver = { score ->
-            showGameOver(score)
+        gameView.onGameOver = { finalScore ->
+            // Pause music on game over
+            gameMusic.pause()
+            
+            // Update high scores
+            val timePlayedMs = System.currentTimeMillis() - gameStartTime
+            val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+            val currentDate = dateFormat.format(Date())
+            
+            // Track if this is a high score
+            val isHighScore = highScoreManager.isHighScore(finalScore)
+            
+            // Show game over screen
+            showGameOver(finalScore)
+            
+            // Save player stats to track game history
+            statsManager.updateSessionStats(finalScore, gameBoard.lines, piecesPlaced, timePlayedMs, currentLevel)
+            
+            // Handle progression - XP earned, potential level up
+            val xpGained = progressionManager.calculateGameXP(finalScore, gameBoard.lines, currentLevel, timePlayedMs, statsManager.getSessionTetrises(), 0)
+            val newRewards = progressionManager.addXP(xpGained)
+            
+            // Show progression screen if player earned XP
+            if (xpGained > 0) {
+                // Delay showing progression screen for a moment
+                Handler(Looper.getMainLooper()).postDelayed({
+                    showProgressionScreen(xpGained, newRewards)
+                }, 2000)
+            }
         }
         
         gameView.onLineClear = { lineCount ->
@@ -577,12 +633,83 @@ class MainActivity : AppCompatActivity() {
         )
     }
     
+    /**
+     * Start a new game
+     */
     private fun startGame() {
+        // Set initial game state
+        currentScore = 0
+        currentLevel = selectedLevel
+        piecesPlaced = 0
+        gameStartTime = System.currentTimeMillis()
+        
+        // Update UI to show initial values
+        binding.scoreText.text = "$currentScore"
+        binding.currentLevelText.text = "$currentLevel"
+        binding.linesText.text = "0"
+        
+        // Reset game view and game board
+        gameView.reset()
+        
+        // Configure callbacks
+        gameView.onGameStateChanged = { score, level, lines ->
+            currentScore = score
+            currentLevel = level
+            
+            binding.scoreText.text = "$score"
+            binding.currentLevelText.text = "$level"
+            binding.linesText.text = "$lines"
+        }
+        
+        gameView.onGameOver = { finalScore ->
+            // Pause music on game over
+            gameMusic.pause()
+            
+            // Update high scores
+            val timePlayedMs = System.currentTimeMillis() - gameStartTime
+            val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+            val currentDate = dateFormat.format(Date())
+            
+            // Track if this is a high score
+            val isHighScore = highScoreManager.isHighScore(finalScore)
+            
+            // Show game over screen
+            showGameOver(finalScore)
+            
+            // Save player stats to track game history
+            statsManager.updateSessionStats(finalScore, gameBoard.lines, piecesPlaced, timePlayedMs, currentLevel)
+            
+            // Handle progression - XP earned, potential level up
+            val xpGained = progressionManager.calculateGameXP(finalScore, gameBoard.lines, currentLevel, timePlayedMs, statsManager.getSessionTetrises(), 0)
+            val newRewards = progressionManager.addXP(xpGained)
+            
+            // Show progression screen if player earned XP
+            if (xpGained > 0) {
+                // Delay showing progression screen for a moment
+                Handler(Looper.getMainLooper()).postDelayed({
+                    showProgressionScreen(xpGained, newRewards)
+                }, 2000)
+            }
+        }
+        
+        // Connect line clear callback to gamepad rumble
+        gameView.onLineClear = { lineCount ->
+            // Vibrate phone
+            gameHaptics.vibrateForLineClear(lineCount)
+            
+            // Vibrate gamepad if connected
+            gamepadController.vibrateForLineClear(lineCount)
+        }
+        
+        // Start the game
         gameView.start()
         gameMusic.setEnabled(isMusicEnabled)
+        
+        // Start background music if enabled
         if (isMusicEnabled) {
             gameMusic.start()
         }
+        
         gameStartTime = System.currentTimeMillis()
         piecesPlaced = 0
         statsManager.startNewSession()
@@ -612,10 +739,25 @@ class MainActivity : AppCompatActivity() {
             gameView.pause()
             gameMusic.pause()
         }
+        
+        // Unregister broadcast receiver
+        try {
+            unregisterReceiver(inputDeviceReceiver)
+        } catch (e: IllegalArgumentException) {
+            // Receiver wasn't registered
+        }
     }
     
     override fun onResume() {
         super.onResume()
+        
+        // Register for input device changes
+        val filter = IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED)
+        registerReceiver(inputDeviceReceiver, filter)
+        
+        // Check for already connected gamepads
+        checkGamepadConnections()
+        
         // If we're on the title screen, don't auto-resume the game
         if (titleScreen.visibility == View.GONE && gameView.visibility == View.VISIBLE && binding.gameOverContainer.visibility == View.GONE && binding.pauseContainer.visibility == View.GONE) {
             resumeGame()
@@ -783,10 +925,99 @@ class MainActivity : AppCompatActivity() {
     }
     
     /**
-     * Completely block the hardware back button during gameplay
+     * GamepadConnectionListener implementation
+     */
+    override fun onGamepadConnected(gamepadName: String) {
+        runOnUiThread {
+            Toast.makeText(this, "Gamepad connected: $gamepadName", Toast.LENGTH_SHORT).show()
+            // Provide haptic feedback for gamepad connection
+            gameHaptics.vibrateForPieceLock()
+            
+            // Show gamepad help if not shown before
+            if (!hasSeenGamepadHelp()) {
+                showGamepadHelpDialog()
+            }
+        }
+    }
+    
+    override fun onGamepadDisconnected(gamepadName: String) {
+        runOnUiThread {
+            Toast.makeText(this, "Gamepad disconnected: $gamepadName", Toast.LENGTH_SHORT).show()
+        }
+    }
+    
+    /**
+     * Show gamepad help dialog
+     */
+    private fun showGamepadHelpDialog() {
+        val dialogView = layoutInflater.inflate(R.layout.gamepad_help_dialog, null)
+        val dialog = android.app.AlertDialog.Builder(this, android.R.style.Theme_DeviceDefault_Dialog_NoActionBar)
+            .setView(dialogView)
+            .setCancelable(true)
+            .create()
+        
+        // Set up dismiss button
+        dialogView.findViewById<View>(R.id.gamepad_help_dismiss_button).setOnClickListener {
+            dialog.dismiss()
+            markGamepadHelpSeen()
+        }
+        
+        dialog.show()
+    }
+    
+    /**
+     * Check if user has seen the gamepad help
+     */
+    private fun hasSeenGamepadHelp(): Boolean {
+        val prefs = getSharedPreferences("com.mintris.preferences", Context.MODE_PRIVATE)
+        return prefs.getBoolean("has_seen_gamepad_help", false)
+    }
+    
+    /**
+     * Mark that user has seen the gamepad help
+     */
+    private fun markGamepadHelpSeen() {
+        val prefs = getSharedPreferences("com.mintris.preferences", Context.MODE_PRIVATE)
+        prefs.edit().putBoolean("has_seen_gamepad_help", true).apply()
+    }
+    
+    /**
+     * Check for connected/disconnected gamepads
+     */
+    private fun checkGamepadConnections() {
+        val currentGamepads = GamepadController.getConnectedGamepadsInfo().toSet()
+        
+        // Find newly connected gamepads
+        currentGamepads.filter { it !in connectedGamepads }.forEach { gamepadName ->
+            onGamepadConnected(gamepadName)
+        }
+        
+        // Find disconnected gamepads
+        connectedGamepads.filter { it !in currentGamepads }.forEach { gamepadName ->
+            onGamepadDisconnected(gamepadName)
+        }
+        
+        // Update the stored list of connected gamepads
+        connectedGamepads.clear()
+        connectedGamepads.addAll(currentGamepads)
+    }
+
+    /**
+     * Handle key events for both device controls and gamepads
      */
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
-        // If back button is pressed
+        if (event == null) return super.onKeyDown(keyCode, event)
+        
+        // First check if it's a gamepad input
+        if (GamepadController.isGamepad(event.device)) {
+            // If gamepad input was handled by the controller, consume the event
+            if (gamepadController.handleKeyEvent(keyCode, event)) {
+                return true
+            }
+        }
+        
+        // If not handled as gamepad, handle as regular key event
+        // Handle back button
         if (keyCode == KeyEvent.KEYCODE_BACK) {
             // Handle back button press as a pause action during gameplay
             if (gameView.visibility == View.VISIBLE && !gameView.isPaused && !gameView.isGameOver()) {
@@ -807,9 +1038,24 @@ class MainActivity : AppCompatActivity() {
                 return true // Consume the event
             }
         }
+        
         return super.onKeyDown(keyCode, event)
     }
 
+    /**
+     * Handle motion events for gamepad analog sticks
+     */
+    override fun onGenericMotionEvent(event: MotionEvent): Boolean {
+        // Check if it's a gamepad motion event (analog sticks)
+        if ((event.source and InputDevice.SOURCE_JOYSTICK) == InputDevice.SOURCE_JOYSTICK) {
+            if (gamepadController.handleMotionEvent(event)) {
+                return true
+            }
+        }
+        
+        return super.onGenericMotionEvent(event)
+    }
+
     private fun showProgressionScreen(xpGained: Long, newRewards: List<String>) {
         // Apply theme before showing the screen
         progressionScreen.applyTheme(currentTheme)

app/src/main/java/com/mintris/game/GameView.kt

@@ -1413,4 +1413,71 @@ class GameView @JvmOverloads constructor(
             gameOverBlocksSpeed[i] *= 1.03f
         }
     }
+    
+    /**
+     * Check if the game is active (running, not paused, not game over)
+     */
+    fun isActive(): Boolean {
+        return isRunning && !isPaused && !gameBoard.isGameOver
+    }
+    
+    /**
+     * Move the current piece left (for gamepad/keyboard support)
+     */
+    fun moveLeft() {
+        if (!isActive()) return
+        gameBoard.moveLeft()
+        gameHaptics?.vibrateForPieceMove()
+        invalidate()
+    }
+    
+    /**
+     * Move the current piece right (for gamepad/keyboard support)
+     */
+    fun moveRight() {
+        if (!isActive()) return
+        gameBoard.moveRight()
+        gameHaptics?.vibrateForPieceMove()
+        invalidate()
+    }
+    
+    /**
+     * Rotate the current piece (for gamepad/keyboard support)
+     */
+    fun rotate() {
+        if (!isActive()) return
+        gameBoard.rotate()
+        gameHaptics?.vibrateForPieceMove()
+        invalidate()
+    }
+    
+    /**
+     * Perform a soft drop (move down faster) (for gamepad/keyboard support)
+     */
+    fun softDrop() {
+        if (!isActive()) return
+        gameBoard.softDrop()
+        gameHaptics?.vibrateForPieceMove()
+        invalidate()
+    }
+    
+    /**
+     * Perform a hard drop (instant drop) (for gamepad/keyboard support)
+     */
+    fun hardDrop() {
+        if (!isActive()) return
+        gameBoard.hardDrop()
+        // Hard drop haptic feedback is handled by the game board via onPieceLock
+        invalidate()
+    }
+    
+    /**
+     * Hold the current piece (for gamepad/keyboard support)
+     */
+    fun holdPiece() {
+        if (!isActive()) return
+        gameBoard.holdPiece()
+        gameHaptics?.vibrateForPieceMove()
+        invalidate()
+    }
 }

app/src/main/java/com/mintris/game/GamepadController.kt

@@ -0,0 +1,372 @@
+package com.mintris.game
+
+import android.os.SystemClock
+import android.view.InputDevice
+import android.view.KeyEvent
+import android.view.MotionEvent
+import android.util.Log
+import android.content.Context
+import android.os.Build
+import android.os.VibrationEffect
+import android.view.InputDevice.MotionRange
+import android.os.Vibrator
+
+/**
+ * GamepadController handles gamepad input for the Mintris game.
+ * Supports multiple gamepad types including:
+ * - Microsoft Xbox controllers
+ * - Sony PlayStation controllers
+ * - Nintendo Switch controllers
+ * - Backbone controllers
+ */
+class GamepadController(
+    private val gameView: GameView
+) {
+    companion object {
+        private const val TAG = "GamepadController"
+        
+        // Deadzone for analog sticks (normalized value 0.0-1.0)
+        private const val STICK_DEADZONE = 0.25f
+        
+        // Cooldown times for responsive input without repeating too quickly
+        private const val MOVE_COOLDOWN_MS = 100L
+        private const val ROTATION_COOLDOWN_MS = 150L
+        private const val HARD_DROP_COOLDOWN_MS = 200L
+        private const val HOLD_COOLDOWN_MS = 250L
+        
+        // Rumble patterns
+        private const val RUMBLE_MOVE_DURATION_MS = 20L
+        private const val RUMBLE_ROTATE_DURATION_MS = 30L
+        private const val RUMBLE_HARD_DROP_DURATION_MS = 100L
+        private const val RUMBLE_LINE_CLEAR_DURATION_MS = 150L
+        
+        // Check if device is a gamepad
+        fun isGamepad(device: InputDevice?): Boolean {
+            if (device == null) return false
+            
+            // Check for gamepad via input device sources
+            val sources = device.sources
+            return (sources and InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD ||
+                   (sources and InputDevice.SOURCE_JOYSTICK) == InputDevice.SOURCE_JOYSTICK
+        }
+        
+        // Get a list of all connected gamepads
+        fun getGamepads(): List<InputDevice> {
+            val gamepads = mutableListOf<InputDevice>()
+            val deviceIds = InputDevice.getDeviceIds()
+            
+            for (deviceId in deviceIds) {
+                val device = InputDevice.getDevice(deviceId)
+                if (device != null && isGamepad(device)) {
+                    gamepads.add(device)
+                }
+            }
+            
+            return gamepads
+        }
+        
+        // Check if any gamepad is connected
+        fun isGamepadConnected(): Boolean {
+            return getGamepads().isNotEmpty()
+        }
+        
+        // Get the name of the first connected gamepad
+        fun getConnectedGamepadName(): String? {
+            val gamepads = getGamepads()
+            if (gamepads.isEmpty()) return null
+            return gamepads.first().name
+        }
+        
+        // Get information about all connected gamepads
+        fun getConnectedGamepadsInfo(): List<String> {
+            return getGamepads().map { it.name }
+        }
+        
+        // Check if device supports vibration
+        fun supportsVibration(device: InputDevice?): Boolean {
+            if (device == null) return false
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) return false
+            
+            return device.vibratorManager?.vibratorIds?.isNotEmpty() ?: false
+        }
+    }
+    
+    // Timestamps for cooldowns
+    private var lastMoveTime = 0L
+    private var lastRotationTime = 0L
+    private var lastHardDropTime = 0L
+    private var lastHoldTime = 0L
+    
+    // Track current directional input state
+    private var isMovingLeft = false
+    private var isMovingRight = false
+    private var isMovingDown = false
+    
+    // Callback interfaces
+    interface GamepadConnectionListener {
+        fun onGamepadConnected(gamepadName: String)
+        fun onGamepadDisconnected(gamepadName: String)
+    }
+    
+    // Listener for gamepad connection
+    private var connectionListener: GamepadConnectionListener? = null
+    
+    // Currently active gamepad for rumble
+    private var activeGamepad: InputDevice? = null
+    
+    /**
+     * Set a listener for gamepad connection events
+     */
+    fun setGamepadConnectionListener(listener: GamepadConnectionListener) {
+        connectionListener = listener
+    }
+    
+    /**
+     * Function to check for newly connected gamepads.
+     * Call this periodically from the activity to detect connection changes.
+     */
+    fun checkForGamepadChanges(context: Context) {
+        // Implementation would track previous and current gamepads
+        // and notify through the connectionListener
+        // This would be called from the activity's onResume or via a handler
+    }
+    
+    /**
+     * Vibrate the gamepad if supported
+     */
+    fun vibrateGamepad(durationMs: Long, amplitude: Int) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) return
+        
+        val gamepad = activeGamepad ?: return
+        
+        if (supportsVibration(gamepad)) {
+            try {
+                val vibrator = gamepad.vibratorManager
+                val vibratorIds = vibrator.vibratorIds
+                
+                if (vibratorIds.isNotEmpty()) {
+                    val effect = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        VibrationEffect.createOneShot(durationMs, amplitude)
+                    } else {
+                        // For older devices, fall back to a simple vibration
+                        VibrationEffect.createOneShot(durationMs, VibrationEffect.DEFAULT_AMPLITUDE)
+                    }
+                    
+                    // Create combined vibration for Android S+
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                        val combinedVibration = android.os.CombinedVibration.createParallel(effect)
+                        vibrator.vibrate(combinedVibration)
+                    }
+                }
+            } catch (e: Exception) {
+                Log.e(TAG, "Error vibrating gamepad", e)
+            }
+        }
+    }
+    
+    /**
+     * Vibrate for piece movement
+     */
+    fun vibrateForPieceMove() {
+        vibrateGamepad(RUMBLE_MOVE_DURATION_MS, 50)
+    }
+    
+    /**
+     * Vibrate for piece rotation
+     */
+    fun vibrateForPieceRotation() {
+        vibrateGamepad(RUMBLE_ROTATE_DURATION_MS, 80)
+    }
+    
+    /**
+     * Vibrate for hard drop
+     */
+    fun vibrateForHardDrop() {
+        vibrateGamepad(RUMBLE_HARD_DROP_DURATION_MS, 150)
+    }
+    
+    /**
+     * Vibrate for line clear
+     */
+    fun vibrateForLineClear(lineCount: Int) {
+        val amplitude = when (lineCount) {
+            1 -> 100
+            2 -> 150
+            3 -> 200
+            else -> 255 // For tetris (4 lines)
+        }
+        vibrateGamepad(RUMBLE_LINE_CLEAR_DURATION_MS, amplitude)
+    }
+    
+    /**
+     * Process a key event from a gamepad
+     * @return true if the event was handled, false otherwise
+     */
+    fun handleKeyEvent(keyCode: Int, event: KeyEvent): Boolean {
+        // Skip if game is not active
+        if (!gameView.isActive()) return false
+        
+        val device = event.device
+        if (!isGamepad(device)) return false
+        
+        // Update active gamepad for rumble
+        activeGamepad = device
+        
+        val currentTime = SystemClock.uptimeMillis()
+        
+        when (event.action) {
+            KeyEvent.ACTION_DOWN -> {
+                when (keyCode) {
+                    // D-pad and analog movement
+                    KeyEvent.KEYCODE_DPAD_LEFT -> {
+                        if (!isMovingLeft && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                            gameView.moveLeft()
+                            vibrateForPieceMove()
+                            lastMoveTime = currentTime
+                            isMovingLeft = true
+                            return true
+                        }
+                    }
+                    KeyEvent.KEYCODE_DPAD_RIGHT -> {
+                        if (!isMovingRight && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                            gameView.moveRight()
+                            vibrateForPieceMove()
+                            lastMoveTime = currentTime
+                            isMovingRight = true
+                            return true
+                        }
+                    }
+                    KeyEvent.KEYCODE_DPAD_DOWN -> {
+                        if (!isMovingDown && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                            gameView.softDrop()
+                            vibrateForPieceMove()
+                            lastMoveTime = currentTime
+                            isMovingDown = true
+                            return true
+                        }
+                    }
+                    KeyEvent.KEYCODE_DPAD_UP -> {
+                        if (currentTime - lastHardDropTime > HARD_DROP_COOLDOWN_MS) {
+                            gameView.hardDrop()
+                            vibrateForHardDrop()
+                            lastHardDropTime = currentTime
+                            return true
+                        }
+                    }
+                    // Rotation buttons - supporting multiple buttons for different controllers
+                    KeyEvent.KEYCODE_BUTTON_A,
+                    KeyEvent.KEYCODE_BUTTON_X,
+                    KeyEvent.KEYCODE_BUTTON_B -> {
+                        if (currentTime - lastRotationTime > ROTATION_COOLDOWN_MS) {
+                            gameView.rotate()
+                            vibrateForPieceRotation()
+                            lastRotationTime = currentTime
+                            return true
+                        }
+                    }
+                    // Hold piece buttons
+                    KeyEvent.KEYCODE_BUTTON_Y,
+                    KeyEvent.KEYCODE_BUTTON_L1,
+                    KeyEvent.KEYCODE_BUTTON_R1 -> {
+                        if (currentTime - lastHoldTime > HOLD_COOLDOWN_MS) {
+                            gameView.holdPiece()
+                            vibrateForPieceRotation()
+                            lastHoldTime = currentTime
+                            return true
+                        }
+                    }
+                }
+            }
+            KeyEvent.ACTION_UP -> {
+                when (keyCode) {
+                    KeyEvent.KEYCODE_DPAD_LEFT -> {
+                        isMovingLeft = false
+                        return true
+                    }
+                    KeyEvent.KEYCODE_DPAD_RIGHT -> {
+                        isMovingRight = false
+                        return true
+                    }
+                    KeyEvent.KEYCODE_DPAD_DOWN -> {
+                        isMovingDown = false
+                        return true
+                    }
+                }
+            }
+        }
+        
+        return false
+    }
+    
+    /**
+     * Process generic motion events (for analog sticks)
+     * @return true if the event was handled, false otherwise
+     */
+    fun handleMotionEvent(event: MotionEvent): Boolean {
+        // Skip if game is not active
+        if (!gameView.isActive()) return false
+        
+        val device = event.device
+        if (!isGamepad(device)) return false
+        
+        // Update active gamepad for rumble
+        activeGamepad = device
+        
+        val currentTime = SystemClock.uptimeMillis()
+        
+        // Process left analog stick
+        val axisX = event.getAxisValue(MotionEvent.AXIS_X)
+        val axisY = event.getAxisValue(MotionEvent.AXIS_Y)
+        
+        // Apply deadzone
+        if (Math.abs(axisX) > STICK_DEADZONE) {
+            if (axisX > 0 && !isMovingRight && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                gameView.moveRight()
+                vibrateForPieceMove()
+                lastMoveTime = currentTime
+                isMovingRight = true
+                isMovingLeft = false
+                return true
+            } else if (axisX < 0 && !isMovingLeft && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                gameView.moveLeft()
+                vibrateForPieceMove()
+                lastMoveTime = currentTime
+                isMovingLeft = true
+                isMovingRight = false
+                return true
+            }
+        } else {
+            // Reset horizontal movement flags when stick returns to center
+            isMovingLeft = false
+            isMovingRight = false
+        }
+        
+        if (Math.abs(axisY) > STICK_DEADZONE) {
+            if (axisY > 0 && !isMovingDown && currentTime - lastMoveTime > MOVE_COOLDOWN_MS) {
+                gameView.softDrop()
+                vibrateForPieceMove()
+                lastMoveTime = currentTime
+                isMovingDown = true
+                return true
+            }
+        } else {
+            // Reset vertical movement flag when stick returns to center
+            isMovingDown = false
+        }
+        
+        // Check right analog stick for rotation
+        val axisZ = event.getAxisValue(MotionEvent.AXIS_Z)
+        val axisRZ = event.getAxisValue(MotionEvent.AXIS_RZ)
+        
+        if (Math.abs(axisZ) > STICK_DEADZONE || Math.abs(axisRZ) > STICK_DEADZONE) {
+            if (currentTime - lastRotationTime > ROTATION_COOLDOWN_MS) {
+                gameView.rotate()
+                vibrateForPieceRotation()
+                lastRotationTime = currentTime
+                return true
+            }
+        }
+        
+        return false
+    }
+} 

app/src/main/res/drawable/dialog_background.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#AA000000" />
+    <corners android:radius="16dp" />
+    <stroke android:width="2dp" android:color="#FFFFFF" />
+</shape> 

app/src/main/res/layout/gamepad_help_dialog.xml

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="24dp"
+    android:background="@drawable/dialog_background">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Gamepad Controls"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="#FFFFFF"
+        android:layout_marginBottom="16dp"
+        android:gravity="center"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginBottom="16dp">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Movement"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:textColor="#FFFFFF"
+            android:layout_marginBottom="8dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="D-Pad Left/Right or Left Stick: Move piece"
+            android:textSize="16sp"
+            android:textColor="#FFFFFF"
+            android:layout_marginBottom="4dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="D-Pad Down or Left Stick Down: Soft drop"
+            android:textSize="16sp"
+            android:textColor="#FFFFFF"
+            android:layout_marginBottom="4dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="D-Pad Up: Hard drop"
+            android:textSize="16sp"
+            android:textColor="#FFFFFF"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginBottom="16dp">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Actions"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:textColor="#FFFFFF"
+            android:layout_marginBottom="8dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="A/B/X or Right Stick: Rotate piece"
+            android:textSize="16sp"
+            android:textColor="#FFFFFF"
+            android:layout_marginBottom="4dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Y, L1, or R1: Hold piece"
+            android:textSize="16sp"
+            android:textColor="#FFFFFF"/>
+    </LinearLayout>
+
+    <Button
+        android:id="@+id/gamepad_help_dismiss_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Got it!"
+        android:layout_gravity="center"
+        android:paddingLeft="24dp"
+        android:paddingRight="24dp"/>
+
+</LinearLayout>