Make log level setting changes immediately active

app/src/main/cpp/emu_jni.cpp

@@ -237,3 +237,7 @@ extern "C" JNIEXPORT void JNICALL Java_emu_skyline_utils_SettingsValues_updateNa
         return; // We don't mind if we miss settings updates while settings haven't been initialized
     settings->Update();
 }
+
+extern "C" JNIEXPORT void JNICALL Java_emu_skyline_utils_SettingsValues_00024Companion_setLogLevel(JNIEnv *, jobject, jint logLevel) {
+    skyline::Logger::configLevel = static_cast<skyline::Logger::LogLevel>(logLevel);
+}

app/src/main/java/emu/skyline/preference/LogLevelPreference.kt

@@ -0,0 +1,20 @@
+/*
+ * SPDX-License-Identifier: MPL-2.0
+ * Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
+ */
+
+package emu.skyline.preference
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.preference.R
+import emu.skyline.utils.SettingsValues
+
+class LogLevelPreference @JvmOverloads constructor(context : Context, attrs : AttributeSet? = null, defStyleAttr : Int = R.attr.dialogPreferenceStyle) : IntegerListPreference(context, attrs, defStyleAttr) {
+    init {
+        setOnPreferenceChangeListener { _, newValue ->
+            SettingsValues.setLogLevel(newValue as Int)
+            true
+        }
+    }
+}

app/src/main/java/emu/skyline/utils/SettingsValues.kt

@@ -18,4 +18,11 @@ class SettingsValues(pref: PreferenceSettings) : Serializable {
      * Updates settings in libskyline during emulation
      */
     external fun updateNative()
+
+    companion object {
+        /**
+         * Setter for native log level
+         */
+        external fun setLogLevel(logLevel : Int)
+    }
 }

app/src/main/res/xml/preferences.xml

@@ -34,7 +34,7 @@
             android:summaryOn="@string/perf_stats_desc_on"
             app:key="perf_stats"
             app:title="@string/perf_stats" />
-        <emu.skyline.preference.IntegerListPreference
+        <emu.skyline.preference.LogLevelPreference
             android:defaultValue="2"
             android:entries="@array/log_level"
             app:key="log_level"