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Disable diagonal inputs and prevent accidental hard drops. Block back swipe gesture to prevent accidental app exits.

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cmclark00 2025-03-28 11:57:21 -04:00
parent 809ae33e5e
commit 8661fd8a80
3 changed files with 105 additions and 7 deletions
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84
app/src/main/java/com/mintris/MainActivity.kt
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@ -32,6 +32,8 @@ import java.util.*
import android.graphics.Color
import androidx.activity.result.ActivityResultLauncher
import androidx.activity.result.contract.ActivityResultContracts
import android.graphics.Rect
import android.view.KeyEvent
class MainActivity : AppCompatActivity() {
@ -73,6 +75,9 @@ class MainActivity : AppCompatActivity() {
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
// Disable Android back gesture to prevent accidental app exits
disableAndroidBackGesture()
// Initialize game components
gameBoard = GameBoard()
gameHaptics = GameHaptics(this)
@ -646,4 +651,83 @@ class MainActivity : AppCompatActivity() {
else -> Color.WHITE
}
}
/**
* Disables the Android system back gesture to prevent accidental exits
*/
private fun disableAndroidBackGesture() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
// Set the entire window to be excluded from the system gesture areas
window.decorView.post {
// Create a list of rectangles representing the edges of the screen to exclude from system gestures
val gestureInsets = window.decorView.rootWindowInsets?.systemGestureInsets
if (gestureInsets != null) {
val leftEdge = Rect(0, 0, 50, window.decorView.height)
val rightEdge = Rect(window.decorView.width - 50, 0, window.decorView.width, window.decorView.height)
val bottomEdge = Rect(0, window.decorView.height - 50, window.decorView.width, window.decorView.height)
window.decorView.systemGestureExclusionRects = listOf(leftEdge, rightEdge, bottomEdge)
}
}
}
// Add an on back pressed callback to handle back button/gesture
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
onBackPressedDispatcher.addCallback(this, object : androidx.activity.OnBackPressedCallback(true) {
override fun handleOnBackPressed() {
// If we're playing the game, handle it as a pause action instead of exiting
if (gameView.visibility == View.VISIBLE && !gameView.isPaused && !gameView.isGameOver()) {
gameView.pause()
gameMusic.pause()
showPauseMenu()
binding.pauseStartButton.visibility = View.GONE
binding.resumeButton.visibility = View.VISIBLE
} else if (binding.pauseContainer.visibility == View.VISIBLE) {
// If pause menu is showing, handle as a resume
resumeGame()
} else if (binding.gameOverContainer.visibility == View.VISIBLE) {
// If game over is showing, go back to title
hideGameOver()
showTitleScreen()
} else if (titleScreen.visibility == View.VISIBLE) {
// If title screen is showing, allow normal back behavior (exit app)
isEnabled = false
onBackPressedDispatcher.onBackPressed()
}
}
})
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
// For Android 11 (R) to Android 12 (S), use the WindowInsetsController to disable gestures
window.insetsController?.systemBarsBehavior =
android.view.WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
}
}
/**
* Completely block the hardware back button during gameplay
*/
override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
// If back button is pressed
if (keyCode == KeyEvent.KEYCODE_BACK) {
// Handle back button press as a pause action during gameplay
if (gameView.visibility == View.VISIBLE && !gameView.isPaused && !gameView.isGameOver()) {
gameView.pause()
gameMusic.pause()
showPauseMenu()
binding.pauseStartButton.visibility = View.GONE
binding.resumeButton.visibility = View.VISIBLE
return true // Consume the event
} else if (binding.pauseContainer.visibility == View.VISIBLE) {
// If pause menu is showing, handle as a resume
resumeGame()
return true // Consume the event
} else if (binding.gameOverContainer.visibility == View.VISIBLE) {
// If game over is showing, go back to title
hideGameOver()
showTitleScreen()
return true // Consume the event
}
}
return super.onKeyDown(keyCode, event)
}
}