Add support for Minimal Phone (MP01) custom key mappings

app/build.gradle.kts

@@ -39,6 +39,38 @@ fun hasSigningConfig(storePath: String?, storePass: String?, alias: String?, key
 fun gradleBooleanProperty(name: String): Boolean =
     providers.gradleProperty(name).orNull?.equals("true", ignoreCase = true) == true
 
+fun shouldValidateNightlySigning(taskNames: List<String>): Boolean {
+    if (taskNames.isEmpty()) {
+        return true
+    }
+    val signingTaskHints = listOf(
+        "assembleNightlyRelease",
+        "bundleNightlyRelease",
+        "packageNightlyRelease",
+        "publishNightlyRelease",
+        "installNightlyRelease"
+    )
+    return taskNames.any { task ->
+        signingTaskHints.any { hint -> task.contains(hint, ignoreCase = true) }
+    }
+}
+
+fun shouldValidateStableSigning(taskNames: List<String>): Boolean {
+    if (taskNames.isEmpty()) {
+        return true
+    }
+    val signingTaskHints = listOf(
+        "assembleStableRelease",
+        "bundleStableRelease",
+        "packageStableRelease",
+        "publishStableRelease",
+        "installStableRelease"
+    )
+    return taskNames.any { task ->
+        signingTaskHints.any { hint -> task.contains(hint, ignoreCase = true) }
+    }
+}
+
 android {
     namespace = "it.palsoftware.pastiera"
     compileSdk = 36
@@ -151,6 +183,10 @@ android {
     tasks.whenTaskAdded {
         if (!isFdroidBuild && name.equals("preStableReleaseBuild", ignoreCase = true)) {
             doFirst {
+                if (!shouldValidateStableSigning(gradle.startParameter.taskNames)) {
+                    logger.lifecycle("Skipping stable signing validation for non-packaging task(s): ${gradle.startParameter.taskNames}")
+                    return@doFirst
+                }
                 val storePath = signingProp("storeFile", "PASTIERA_KEYSTORE_PATH")
                 val storePass = signingProp("storePassword", "PASTIERA_KEYSTORE_PASSWORD")
                 val alias = signingProp("keyAlias", "PASTIERA_KEY_ALIAS")
@@ -168,6 +204,10 @@ android {
         }
         if (name.equals("preNightlyReleaseBuild", ignoreCase = true)) {
             doFirst {
+                if (!shouldValidateNightlySigning(gradle.startParameter.taskNames)) {
+                    logger.lifecycle("Skipping nightly signing validation for non-packaging task(s): ${gradle.startParameter.taskNames}")
+                    return@doFirst
+                }
                 val storePath = signingProp("nightlyStoreFile", "PASTIERA_NIGHTLY_KEYSTORE_PATH")
                 val storePass = signingProp("nightlyStorePassword", "PASTIERA_NIGHTLY_KEYSTORE_PASSWORD")
                 val alias = signingProp("nightlyKeyAlias", "PASTIERA_NIGHTLY_KEY_ALIAS")

app/src/main/assets/devices/mp01/alt_key_mappings.json

@@ -0,0 +1,32 @@
+{
+    "mappings": {
+        "KEYCODE_Q": "&",
+        "KEYCODE_W": "1",
+        "KEYCODE_E": "2",
+        "KEYCODE_R": "3",
+        "KEYCODE_T": "_",
+        "KEYCODE_Y": "-",
+        "KEYCODE_U": "+",
+        "KEYCODE_I": "!",
+        "KEYCODE_O": "#",
+        "KEYCODE_P": "$",
+        "KEYCODE_A": "@",
+        "KEYCODE_S": "4",
+        "KEYCODE_D": "5",
+        "KEYCODE_F": "6",
+        "KEYCODE_G": "=",
+        "KEYCODE_H": ":",
+        "KEYCODE_J": ";",
+        "KEYCODE_K": "'",
+        "KEYCODE_L": "\"",
+        "KEYCODE_Z": "7",
+        "KEYCODE_X": "8",
+        "KEYCODE_C": "9",
+        "KEYCODE_V": "*",
+        "KEYCODE_B": "%",
+        "KEYCODE_N": "?",
+        "KEYCODE_M": ",",
+        "KEYCODE_MIC": ".",
+        "KEYCODE_EM": "0"
+    }
+}

app/src/main/java/it/palsoftware/pastiera/KeyboardLayoutSettingsScreen.kt

@@ -375,7 +375,7 @@ fun KeyboardLayoutSettingsScreen(
                                 expanded = showPhysicalProfileMenu,
                                 onDismissRequest = { showPhysicalProfileMenu = false }
                             ) {
-                                listOf("auto", "key2", "Q25", "titan2").forEach { profile ->
+                                listOf("auto", "key2", "Q25", "titan2", "mp01").forEach { profile ->
                                     DropdownMenuItem(
                                         text = { Text(keyboardProfileLabel(context, profile)) },
                                         onClick = {
@@ -615,6 +615,7 @@ private fun keyboardProfileLabel(context: Context, profile: String): String {
         "key2" -> context.getString(R.string.keyboard_profile_option_key2)
         "Q25" -> context.getString(R.string.keyboard_profile_option_q25)
         "titan2" -> context.getString(R.string.keyboard_profile_option_titan2)
+        "mp01" -> context.getString(R.string.keyboard_profile_option_mp01)
         else -> context.getString(R.string.keyboard_profile_option_auto)
     }
 }

app/src/main/java/it/palsoftware/pastiera/SettingsManager.kt

@@ -39,7 +39,7 @@ object SettingsManager {
     private const val KEY_KEYBOARD_LAYOUT = "keyboard_layout" // "qwerty", "azerty", etc.
     private const val KEY_KEYBOARD_LAYOUT_AUTO_BY_LOCALE = "keyboard_layout_auto_by_locale" // If true, resolve layout from subtype/locale mapping
     private const val KEY_KEYBOARD_LAYOUT_LIST = "keyboard_layout_list" // JSON array of layout ids for cycling
-    private const val KEY_PHYSICAL_KEYBOARD_PROFILE_OVERRIDE = "physical_keyboard_profile_override" // auto | key2 | Q25 | titan2
+    private const val KEY_PHYSICAL_KEYBOARD_PROFILE_OVERRIDE = "physical_keyboard_profile_override" // auto | key2 | Q25 | titan2 | mp01
     private const val KEY_RESTORE_SYM_PAGE = "restore_sym_page" // SYM page to restore when returning from settings
     private const val KEY_PENDING_RESTORE_SYM_PAGE = "pending_restore_sym_page" // Temporary SYM page state saved when opening settings
     private const val KEY_SYM_PAGES_CONFIG = "sym_pages_config" // Order/enabled pages for SYM
@@ -1574,7 +1574,7 @@ object SettingsManager {
 
     /**
      * Returns the manual physical keyboard profile override used for device-specific mappings.
-     * Supported values: auto, key2, Q25, titan2.
+     * Supported values: auto, key2, Q25, titan2, mp01.
      */
     fun getPhysicalKeyboardProfileOverride(context: Context): String {
         val value = getPreferences(context).getString(
@@ -1602,6 +1602,7 @@ object SettingsManager {
             normalized.equals("key2", ignoreCase = true) -> "key2"
             normalized.equals("q25", ignoreCase = true) -> "Q25"
             normalized.equals("titan2", ignoreCase = true) -> "titan2"
+            normalized.equals("mp01", ignoreCase = true) -> "mp01"
             else -> DEFAULT_PHYSICAL_KEYBOARD_PROFILE_OVERRIDE
         }
     }

app/src/main/java/it/palsoftware/pastiera/data/mappings/KeyMappingLoader.kt

@@ -70,7 +70,10 @@ object KeyMappingLoader {
         "KEYCODE_APOSTROPHE" to KeyEvent.KEYCODE_APOSTROPHE,
         "KEYCODE_COMMA" to KeyEvent.KEYCODE_COMMA,
         "KEYCODE_PERIOD" to KeyEvent.KEYCODE_PERIOD,
-        "KEYCODE_SLASH" to KeyEvent.KEYCODE_SLASH
+        "KEYCODE_SLASH" to KeyEvent.KEYCODE_SLASH,
+        // Minimal Phone (MP01) custom keycodes
+        "KEYCODE_EM" to 666,  // Emoji key
+        "KEYCODE_MIC" to 667  // Mic key
     )
 
     fun loadAltKeyMappings(assets: AssetManager, context: Context? = null): Map<Int, String> {

app/src/main/java/it/palsoftware/pastiera/inputmethod/DeviceSpecific.kt

@@ -12,6 +12,7 @@ object DeviceSpecific {
     private enum class KeyboardFamily {
         BLACKBERRY,
         UNIHERTZ,
+        MINIMAL,
         UNKNOWN
     }
 
@@ -22,6 +23,7 @@ object DeviceSpecific {
         TITAN_POCKET,
         TITAN_SLIM,
         TITAN_ORIGINAL,
+        MINIMAL_PHONE,
         UNKNOWN
     }
 
@@ -254,6 +256,14 @@ object DeviceSpecific {
                 needsEventRemapping = false
             )
         }
+        if (isMinimalPhone(fp)) {
+            return DeviceProfile(
+                family = KeyboardFamily.MINIMAL,
+                model = KeyboardModel.MINIMAL_PHONE,
+                physicalLayoutName = "mp01",
+                needsEventRemapping = false
+            )
+        }
         return DeviceProfile(
             family = KeyboardFamily.UNKNOWN,
             model = KeyboardModel.UNKNOWN,
@@ -280,6 +290,7 @@ object DeviceSpecific {
             "key2" -> KeyboardModel.KEY2
             "q25" -> KeyboardModel.Q25
             "titan2" -> KeyboardModel.TITAN_2
+            "mp01" -> KeyboardModel.MINIMAL_PHONE
             else -> currentDeviceProfile().model
         }
     }
@@ -288,7 +299,7 @@ object DeviceSpecific {
         val normalized = physicalProfileOverride?.trim()?.lowercase().orEmpty()
         return when (normalized) {
             "", "auto" -> null
-            "key2", "q25", "titan2" -> normalized
+            "key2", "q25", "titan2", "mp01" -> normalized
             else -> null
         }
     }
@@ -329,6 +340,10 @@ object DeviceSpecific {
         return fp.containsAny("blackberry key2", "key2", "bbf100")
     }
 
+    private fun isMinimalPhone(fp: BuildFingerprint): Boolean {
+        return fp.containsAny("minimal_phone") || (fp.containsAny("mp01") && fp.containsAny("along"))
+    }
+
     private fun isTitanFamily(fp: BuildFingerprint): Boolean {
         return fp.containsAny("unihertz", "titan")
     }
@@ -351,6 +366,7 @@ object DeviceSpecific {
         return when (currentDeviceProfile().family) {
             KeyboardFamily.BLACKBERRY -> "Blackberry"
             KeyboardFamily.UNIHERTZ -> "Unihertz"
+            KeyboardFamily.MINIMAL -> "Minimal"
             KeyboardFamily.UNKNOWN -> "unknown"
         }
     }
@@ -362,4 +378,8 @@ object DeviceSpecific {
     fun isTitan2Device(): Boolean {
         return currentDeviceProfile().model == KeyboardModel.TITAN_2
     }
+
+    fun isMinimalPhoneDevice(physicalProfileOverride: String? = null): Boolean {
+        return resolveKeyboardModel(physicalProfileOverride) == KeyboardModel.MINIMAL_PHONE
+    }
 }

app/src/main/java/it/palsoftware/pastiera/inputmethod/PhysicalKeyboardInputMethodService.kt

@@ -88,6 +88,10 @@ class PhysicalKeyboardInputMethodService : InputMethodService() {
     // Keycode for the SYM key
     private val KEYCODE_SYM = 63
 
+    // Minimal Phone (MP01) custom hardware keycodes
+    private val KEYCODE_EM = 666  // Emoji key
+    private val KEYCODE_MIC = 667 // Mic / speech-to-text key
+
     // Single instance to show toasts without overlapping
     private var lastLayoutToastText: String? = null
     private var lastLayoutToastTime: Long = 0
@@ -274,6 +278,10 @@ class PhysicalKeyboardInputMethodService : InputMethodService() {
             keyCode == KeyEvent.KEYCODE_ALT_RIGHT ||
             keyCode == KEYCODE_SYM
     }
+
+    private fun isMinimalPhoneHardwareActive(): Boolean {
+        return DeviceSpecific.isMinimalPhoneDevice(physicalKeyboardProfileOverride)
+    }
 
     /**
      * Starts voice input using SpeechRecognizer via SpeechRecognitionManager.
@@ -2150,6 +2158,37 @@ class PhysicalKeyboardInputMethodService : InputMethodService() {
             symChordUsedSinceKeyDown = false
         }
 
+        // Minimal Phone dedicated keys (skip when Alt is active in any form so alt mappings can fire)
+        // Gate this behavior to Minimal Phone devices only.
+        val altActiveForDedicatedKeys = event?.isAltPressed == true || altLatchActive || altOneShot
+        if (
+            hasEditableField &&
+            isMinimalPhoneHardwareActive() &&
+            keyCode == KEYCODE_EM &&
+            event?.repeatCount == 0 &&
+            !altActiveForDedicatedKeys
+        ) {
+            if (symPage == 4) {
+                symLayoutController.closeSymPage()
+                updateStatusBarText()
+            } else {
+                ensureInputViewCreated()
+                symLayoutController.openEmojiPickerPage()
+                updateStatusBarText()
+            }
+            return true
+        }
+        if (
+            hasEditableField &&
+            isMinimalPhoneHardwareActive() &&
+            keyCode == KEYCODE_MIC &&
+            event?.repeatCount == 0 &&
+            !altActiveForDedicatedKeys
+        ) {
+            startSpeechRecognition()
+            return true
+        }
+
         if (
             hasEditableField &&
             symTogglePendingOnKeyUp &&

app/src/main/res/values-de/strings.xml

@@ -249,6 +249,7 @@
     <string name="keyboard_profile_option_key2">BlackBerry Key2</string>
     <string name="keyboard_profile_option_q25">BlackBerry Q25</string>
     <string name="keyboard_profile_option_titan2">Unihertz Titan / Titan 2</string>
+    <string name="keyboard_profile_option_mp01">Minimal Phone (MP01)</string>
     <string name="app_picker_title">App auswählen</string>
     <string name="app_picker_cancel">Abbrechen</string>
     <string name="app_picker_search_placeholder">Apps suchen…</string>

app/src/main/res/values-fr/strings.xml

@@ -563,6 +563,7 @@
     <string name="keyboard_profile_option_key2">BlackBerry Key2</string>
     <string name="keyboard_profile_option_q25">BlackBerry Q25</string>
     <string name="keyboard_profile_option_titan2">Unihertz Titan / Titan 2</string>
+    <string name="keyboard_profile_option_mp01">Minimal Phone (MP01)</string>
     <string name="emoji_picker_search_label">Search</string>
     <string name="emoji_picker_search_placeholder">Search emoji...</string>
     <string name="emoji_picker_no_results">No emoji found</string>
@@ -575,4 +576,4 @@
     <string name="status_bar_button_language_state_description">Langue %1$s, disposition %2$s</string>
     <string name="status_bar_button_hamburger">Menu</string>
     <string name="status_bar_button_hamburger_description">Actions rapides</string>
-</resources>
+</resources>

app/src/main/res/values-it/strings.xml

@@ -270,6 +270,7 @@
     <string name="keyboard_profile_option_key2">BlackBerry Key2</string>
     <string name="keyboard_profile_option_q25">BlackBerry Q25</string>
     <string name="keyboard_profile_option_titan2">Unihertz Titan / Titan 2</string>
+    <string name="keyboard_profile_option_mp01">Minimal Phone (MP01)</string>
     <!-- Static Variation Bar Mode -->
     <string name="static_variation_bar_mode_title">Barra variazioni statica</string>
     <string name="static_variation_bar_mode_description">Mostra sempre una serie fissa di tasti di utilità nella barra variazioni invece delle variazioni contestuali.</string>

app/src/main/res/values-ru/strings.xml

@@ -565,6 +565,7 @@
     <string name="keyboard_profile_option_key2">BlackBerry Key2</string>
     <string name="keyboard_profile_option_q25">BlackBerry Q25</string>
     <string name="keyboard_profile_option_titan2">Unihertz Titan / Titan 2</string>
+    <string name="keyboard_profile_option_mp01">Minimal Phone (MP01)</string>
     <string name="emoji_picker_search_label">Search</string>
     <string name="emoji_picker_search_placeholder">Search emoji...</string>
     <string name="emoji_picker_no_results">No emoji found</string>
@@ -575,4 +576,4 @@
     <string name="event_keycode_label">KeyCode: </string>
     <string name="event_scancode_label">ScanCode: </string>
     <string name="status_bar_button_language_state_description">Язык %1$s, раскладка %2$s</string>
-</resources>
+</resources>

app/src/main/res/values/strings.xml

@@ -249,6 +249,7 @@
     <string name="keyboard_profile_option_key2">BlackBerry Key2</string>
     <string name="keyboard_profile_option_q25">BlackBerry Q25</string>
     <string name="keyboard_profile_option_titan2">Unihertz Titan / Titan 2</string>
+    <string name="keyboard_profile_option_mp01">Minimal Phone (MP01)</string>
 
     <!-- About Section -->
     <string name="about_github">GitHub</string>

app/src/test/java/it/palsoftware/pastiera/data/mappings/KeyMappingLoaderTest.kt

@@ -0,0 +1,36 @@
+package it.palsoftware.pastiera.data.mappings
+
+import android.view.KeyEvent
+import it.palsoftware.pastiera.SettingsManager
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [33])
+class KeyMappingLoaderTest {
+
+    @After
+    fun tearDown() {
+        val context = RuntimeEnvironment.getApplication()
+        SettingsManager.setPhysicalKeyboardProfileOverride(context, "auto")
+    }
+
+    @Test
+    fun loadAltMappings_mp01ManualOverride_exposesCustomDedicatedKeys() {
+        val context = RuntimeEnvironment.getApplication()
+        SettingsManager.setPhysicalKeyboardProfileOverride(context, "mp01")
+
+        val mappings = KeyMappingLoader.loadAltKeyMappings(context.assets, context)
+
+        assertTrue(mappings.isNotEmpty())
+        assertEquals("&", mappings[KeyEvent.KEYCODE_Q])
+        assertEquals("0", mappings[666])
+        assertEquals(".", mappings[667])
+    }
+}