android: Use yuzu logging system

Now anything that's logged in the frontend will be printed into the log file

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -462,12 +462,12 @@ object NativeLibrary {
     }
 
     fun setEmulationActivity(emulationActivity: EmulationActivity?) {
-        Log.verbose("[NativeLibrary] Registering EmulationActivity.")
+        Log.debug("[NativeLibrary] Registering EmulationActivity.")
         sEmulationActivity = WeakReference(emulationActivity)
     }
 
     fun clearEmulationActivity() {
-        Log.verbose("[NativeLibrary] Unregistering EmulationActivity.")
+        Log.debug("[NativeLibrary] Unregistering EmulationActivity.")
         sEmulationActivity.clear()
     }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/Log.kt

@@ -3,38 +3,14 @@
 
 package org.yuzu.yuzu_emu.utils
 
-import android.util.Log
-import org.yuzu.yuzu_emu.BuildConfig
-
-/**
- * Contains methods that call through to [android.util.Log], but
- * with the same TAG automatically provided. Also no-ops VERBOSE and DEBUG log
- * levels in release builds.
- */
 object Log {
-    private const val TAG = "Yuzu Frontend"
+    external fun debug(message: String)
 
-    fun verbose(message: String) {
-        if (BuildConfig.DEBUG) {
-            Log.v(TAG, message)
-        }
-    }
+    external fun warning(message: String)
 
-    fun debug(message: String) {
-        if (BuildConfig.DEBUG) {
-            Log.d(TAG, message)
-        }
-    }
+    external fun info(message: String)
 
-    fun info(message: String) {
-        Log.i(TAG, message)
-    }
+    external fun error(message: String)
 
-    fun warning(message: String) {
-        Log.w(TAG, message)
-    }
-
-    fun error(message: String) {
-        Log.e(TAG, message)
-    }
+    external fun critical(message: String)
 }

src/android/app/src/main/jni/CMakeLists.txt

@@ -18,6 +18,7 @@ add_library(yuzu-android SHARED
     native_config.cpp
     uisettings.cpp
     game_metadata.cpp
+    native_log.cpp
 )
 
 set_property(TARGET yuzu-android PROPERTY IMPORTED_LOCATION ${FFmpeg_LIBRARY_DIR})

src/android/app/src/main/jni/native_log.cpp

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <common/logging/log.h>
+#include <jni.h>
+
+#include "android_common/android_common.h"
+
+extern "C" {
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_debug(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_DEBUG(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_warning(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_WARNING(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_info(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_INFO(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_error(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_ERROR(Frontend, "{}", GetJString(env, jmessage));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_Log_critical(JNIEnv* env, jobject obj, jstring jmessage) {
+    LOG_CRITICAL(Frontend, "{}", GetJString(env, jmessage));
+}
+
+} // extern "C"