Add disable camera sounds

Author: programminghoch10

DisableSounds/src/main/assets/xposed_init

@@ -1,2 +1,3 @@
 com.programminghoch10.DisableSounds.DisableForcedCameraSoundHook
+com.programminghoch10.DisableSounds.DisableShutterSoundsHook
 com.programminghoch10.DisableSounds.DisableScreenshotSoundHook

DisableSounds/src/main/java/com/programminghoch10/DisableSounds/DisableShutterSoundsHook.kt

@@ -0,0 +1,27 @@
+package com.programminghoch10.DisableSounds
+
+import android.annotation.SuppressLint
+import android.media.MediaActionSound
+import android.os.Build
+import de.robv.android.xposed.IXposedHookLoadPackage
+import de.robv.android.xposed.XC_MethodReplacement
+import de.robv.android.xposed.XSharedPreferences
+import de.robv.android.xposed.XposedHelpers
+import de.robv.android.xposed.callbacks.XC_LoadPackage
+
+class DisableShutterSoundsHook : IXposedHookLoadPackage {
+    @SuppressLint("ObsoleteSdkInt")
+    override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam?) {
+        val sharedPreferences = XSharedPreferences(BuildConfig.APPLICATION_ID, SHARED_PREFERENCES_NAME)
+        if (!sharedPreferences.getBoolean("shutter", false))
+            return
+        
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
+            for (methodName in listOf("load", "play"))
+                XposedHelpers.findAndHookMethod(MediaActionSound::class.java, methodName, Int::class.java, XC_MethodReplacement.DO_NOTHING)
+     
+        // TODO: need a native hook for old Camera API methods
+        //  https://cs.android.com/android/platform/superproject/main/+/main:frameworks/av/services/camera/libcameraservice/CameraService.cpp;l=4097?q=camera_click.ogg
+        //  then the "might not work" warning can be removed from @string/disable_shutter_sounds_description_on
+    }
+}

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

@@ -3,6 +3,9 @@
     <string name="title_activity_settings">DisableSounds Configuration</string>
     <string name="app_name">DisableSounds</string>
     <string name="description">Disable various system sounds</string>
+    <string name="disable_shutter_sounds_title">Disable shutter sounds</string>
+    <string name="disable_shutter_sounds_description">Disable shutter, focus and video recording sounds.</string>
+    <string name="disable_shutter_sounds_description_on">Some apps using the old Camera API might not be muted. On Android 13 and older the screenshot sound might be muted too.</string>
     <string name="disable_screenshot_sound_title">Disable screenshot sound</string>
     <string name="disable_screenshot_sound_description">@null</string>
 </resources>

DisableSounds/src/main/res/xml/root_preferences.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+    <SwitchPreference
+        app:key="shutter"
+        app:title="@string/disable_shutter_sounds_title"
+        app:summary="@string/disable_shutter_sounds_description"
+        app:summaryOn="@string/disable_shutter_sounds_description_on"/>
     <SwitchPreference
         app:key="screenshot"
         app:title="@string/disable_screenshot_sound_title"