AndroidTV預設關閉系統觸摸和遙控器按鍵音

關閉觸摸/點選的聲音

frameworks/base/packages/SettingsProvider/res/values/defaults.xml

-    <bool name="def_sound_effects_enabled">true</bool>
+    <bool name="def_sound_effects_enabled">false</bool>
           

關閉遙控器按鍵切換焦點的聲音

frameworks/base/services/core/java/com/android/server/audio/AudioService.java

-        sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_QUEUE,
-                effectType, (int) (volume * 1000), null, 0);
+        // sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_QUEUE,
+                // effectType, (int) (volume * 1000), null, 0);