AudioManager: apply device change without reboot

ThomasFarstrike · ThomasFarstrike · commit 43025b82e821 · 2026-04-11T14:14:50.000+02:00
diff --git a/internal_filesystem/builtin/apps/com.micropythonos.settings.audio/assets/audio_settings.py b/internal_filesystem/builtin/apps/com.micropythonos.settings.audio/assets/audio_settings.py
@@ -1,6 +1,24 @@
 from mpos import AudioManager, Intent, SettingsActivity, SharedPreferences
 
 
+def _apply_input_device(name):
+    if not name:
+        return
+    for device in AudioManager.get_inputs():
+        if device.name == name:
+            AudioManager.set_default_input(device)
+            return
+
+
+def _apply_output_device(name):
+    if not name:
+        return
+    for device in AudioManager.get_outputs():
+        if device.name == name:
+            AudioManager.set_default_output(device)
+            return
+
+
 class AudioSettings(SettingsActivity):
     PREFS_NAMESPACE = "com.micropythonos.settings.audio"
 
@@ -32,13 +50,15 @@ def getIntent(self):
                     "ui": "radiobuttons",
                     "ui_options": input_options,
                     "default_value": default_input.name if default_input else "",
+                    "changed_callback": _apply_input_device,
                 },
                 {
                     "title": "Output Device",
                     "key": "output_device",
                     "ui": "radiobuttons",
                     "ui_options": output_options,
                     "default_value": default_output.name if default_output else "",
+                    "changed_callback": _apply_output_device,
                 },
             ],
         )
