fix(settings): Gate Adaptive Audio Noise slider on Adaptive noise mode

app/src/main/java/eu/darken/capod/main/ui/devicesettings/DeviceSettingsScreen.kt

@@ -477,6 +477,7 @@ fun DeviceSettingsScreen(
                                     level = adaptiveNoise.level,
                                     onLevelChange = onAdaptiveAudioNoiseChange,
                                     enabled = enabled,
+                                    isAdaptiveMode = ancMode.current == AapSetting.AncMode.Value.ADAPTIVE,
                                 )
                             }
                             if (features.hasNcOneAirpod && ncOneAirpod != null) {
@@ -722,18 +723,24 @@ private fun AdaptiveNoiseSlider(
     level: Int,
     onLevelChange: (Int) -> Unit,
     enabled: Boolean,
+    isAdaptiveMode: Boolean,
 ) {
     var sliderValue by remember(level) { mutableIntStateOf(level) }
+    val subtitleRes = if (isAdaptiveMode) {
+        R.string.device_settings_adaptive_noise_description
+    } else {
+        R.string.device_settings_adaptive_noise_requires_adaptive
+    }
     SettingsSliderItem(
         icon = Icons.TwoTone.GraphicEq,
         title = stringResource(R.string.device_settings_adaptive_noise_label),
-        subtitle = stringResource(R.string.device_settings_adaptive_noise_description),
+        subtitle = stringResource(subtitleRes),
         value = sliderValue.toFloat(),
         onValueChange = { sliderValue = it.toInt() },
         onValueChangeFinished = { onLevelChange(sliderValue) },
         valueRange = 0f..100f,
         steps = 99,
-        enabled = enabled,
+        enabled = enabled && isAdaptiveMode,
         valueLabel = { "${it.toInt()}%" },
     )
 }

app/src/main/java/eu/darken/capod/pods/core/apple/aap/protocol/AapSetting.kt

@@ -93,6 +93,9 @@ sealed class AapSetting {
         val enabled: Boolean,
     ) : AapSetting()
 
+    // Wire format matches librepods spec (tested on AirPods Pro 2). On AirPods Pro 3 the device
+    // accepts and echoes the value but no audible effect has been observed — may need additional
+    // enable packet or different handling. Requires more investigation.
     data class AdaptiveAudioNoise(
         val level: Int,
     ) : AapSetting()

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

@@ -453,6 +453,7 @@
     <string name="device_settings_tone_volume_description">Volume of confirmation sounds and ringtones</string>
     <string name="device_settings_adaptive_noise_label">Adaptive Audio Noise</string>
     <string name="device_settings_adaptive_noise_description">How much environmental noise is allowed through</string>
+    <string name="device_settings_adaptive_noise_requires_adaptive">Requires Adaptive noise control</string>
     <string name="device_settings_press_speed_label">Press Speed</string>
     <string name="device_settings_press_speed_description">How quickly you need to press for multi-press gestures</string>
     <string name="device_settings_press_speed_default">Default</string>