android: Convert NativeLibrary to Kotlin

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

@@ -1,698 +0,0 @@
-/*
- * Copyright 2013 Dolphin Emulator Project
- * Licensed under GPLv2+
- * Refer to the license.txt file included.
- */
-
-package org.yuzu.yuzu_emu;
-
-import android.app.Activity;
-import android.app.Dialog;
-import android.content.pm.PackageManager;
-import android.content.res.Configuration;
-import android.os.Bundle;
-import android.text.Html;
-import android.text.method.LinkMovementMethod;
-import android.view.Surface;
-import android.view.ViewGroup;
-import android.widget.EditText;
-import android.widget.FrameLayout;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.core.content.ContextCompat;
-import androidx.fragment.app.DialogFragment;
-
-import com.google.android.material.dialog.MaterialAlertDialogBuilder;
-
-import org.yuzu.yuzu_emu.activities.EmulationActivity;
-import org.yuzu.yuzu_emu.utils.DocumentsTree;
-import org.yuzu.yuzu_emu.utils.EmulationMenuSettings;
-import org.yuzu.yuzu_emu.utils.FileUtil;
-import org.yuzu.yuzu_emu.utils.Log;
-
-import java.lang.ref.WeakReference;
-import java.util.Objects;
-
-import static android.Manifest.permission.CAMERA;
-import static android.Manifest.permission.RECORD_AUDIO;
-
-/**
- * Class which contains methods that interact
- * with the native side of the Citra code.
- */
-public final class NativeLibrary {
-    /**
-     * Default controller id for each device
-     */
-    public static final int Player1Device = 0;
-    public static final int Player2Device = 1;
-    public static final int Player3Device = 2;
-    public static final int Player4Device = 3;
-    public static final int Player5Device = 4;
-    public static final int Player6Device = 5;
-    public static final int Player7Device = 6;
-    public static final int Player8Device = 7;
-    public static final int ConsoleDevice = 8;
-    public static WeakReference<EmulationActivity> sEmulationActivity = new WeakReference<>(null);
-
-    private static boolean alertResult = false;
-    private static String alertPromptResult = "";
-    private static int alertPromptButton = 0;
-    private static final Object alertPromptLock = new Object();
-    private static boolean alertPromptInProgress = false;
-    private static String alertPromptCaption = "";
-    private static int alertPromptButtonConfig = 0;
-    private static EditText alertPromptEditText = null;
-
-    static {
-        try {
-            System.loadLibrary("yuzu-android");
-        } catch (UnsatisfiedLinkError ex) {
-            Log.error("[NativeLibrary] " + ex.toString());
-        }
-    }
-
-    private NativeLibrary() {
-        // Disallows instantiation.
-    }
-
-    public static int openContentUri(String path, String openmode) {
-        if (DocumentsTree.isNativePath(path)) {
-            return YuzuApplication.documentsTree.openContentUri(path, openmode);
-        }
-        return FileUtil.openContentUri(YuzuApplication.getAppContext(), path, openmode);
-    }
-
-    public static long getSize(String path) {
-        if (DocumentsTree.isNativePath(path)) {
-            return YuzuApplication.documentsTree.getFileSize(path);
-        }
-        return FileUtil.getFileSize(YuzuApplication.getAppContext(), path);
-    }
-
-    /**
-     * Handles button press events for a gamepad.
-     *
-     * @param Device The input descriptor of the gamepad.
-     * @param Button Key code identifying which button was pressed.
-     * @param Action Mask identifying which action is happening (button pressed down, or button released).
-     * @return If we handled the button press.
-     */
-    public static native boolean onGamePadButtonEvent(int Device, int Button, int Action);
-
-    /**
-     * Handles joystick movement events.
-     *
-     * @param Device The device ID of the gamepad.
-     * @param Axis   The axis ID
-     * @param x_axis The value of the x-axis represented by the given ID.
-     * @param y_axis The value of the y-axis represented by the given ID.
-     */
-    public static native boolean onGamePadJoystickEvent(int Device, int Axis, float x_axis, float y_axis);
-
-    /**
-     * Handles motion events.
-     *
-     * @param delta_timestamp         The finger id corresponding to this event
-     * @param gyro_x,gyro_y,gyro_z    The value of the accelerometer sensor.
-     * @param accel_x,accel_y,accel_z The value of the y-axis
-     */
-
-    public static native boolean onGamePadMotionEvent(int Device, long delta_timestamp, float gyro_x, float gyro_y,
-                                                      float gyro_z, float accel_x, float accel_y, float accel_z);
-
-    /**
-     * Signals and load a nfc tag
-     *
-     * @param data         Byte array containing all the data from a nfc tag
-     */
-    public static native boolean onReadNfcTag(byte[] data);
-
-    /**
-     * Removes current loaded nfc tag
-     */
-    public static native boolean onRemoveNfcTag();
-
-    /**
-     * Handles touch press events.
-     *
-     * @param finger_id The finger id corresponding to this event
-     * @param x_axis    The value of the x-axis.
-     * @param y_axis    The value of the y-axis.
-     */
-    public static native void onTouchPressed(int finger_id, float x_axis, float y_axis);
-
-    /**
-     * Handles touch movement.
-     *
-     * @param x_axis The value of the instantaneous x-axis.
-     * @param y_axis The value of the instantaneous y-axis.
-     */
-    public static native void onTouchMoved(int finger_id, float x_axis, float y_axis);
-
-    /**
-     * Handles touch release events.
-     *
-     * @param finger_id The finger id corresponding to this event
-     */
-    public static native void onTouchReleased(int finger_id);
-
-    public static native void ReloadSettings();
-
-    public static native String GetUserSetting(String gameID, String Section, String Key);
-
-    public static native void SetUserSetting(String gameID, String Section, String Key, String Value);
-
-    public static native void InitGameIni(String gameID);
-
-    /**
-     * Gets the embedded icon within the given ROM.
-     *
-     * @param filename the file path to the ROM.
-     * @return a byte array containing the JPEG data for the icon.
-     */
-    public static native byte[] GetIcon(String filename);
-
-    /**
-     * Gets the embedded title of the given ISO/ROM.
-     *
-     * @param filename The file path to the ISO/ROM.
-     * @return the embedded title of the ISO/ROM.
-     */
-    public static native String GetTitle(String filename);
-
-    public static native String GetDescription(String filename);
-
-    public static native String GetGameId(String filename);
-
-    public static native String GetRegions(String filename);
-
-    public static native String GetCompany(String filename);
-
-    public static native String GetGitRevision();
-
-    public static native void SetAppDirectory(String directory);
-
-    public static native void InitializeGpuDriver(String hookLibDir, String customDriverDir, String customDriverName, String fileRedirectDir);
-
-    public static native boolean ReloadKeys();
-
-    public static native void InitializeEmulation();
-
-    public static native int DefaultCPUCore();
-
-    /**
-     * Begins emulation.
-     */
-    public static native void Run(String path);
-
-    /**
-     * Begins emulation from the specified savestate.
-     */
-    public static native void Run(String path, String savestatePath, boolean deleteSavestate);
-
-    // Surface Handling
-    public static native void SurfaceChanged(Surface surf);
-
-    public static native void SurfaceDestroyed();
-
-    /**
-     * Unpauses emulation from a paused state.
-     */
-    public static native void UnPauseEmulation();
-
-    /**
-     * Pauses emulation.
-     */
-    public static native void PauseEmulation();
-
-    /**
-     * Stops emulation.
-     */
-    public static native void StopEmulation();
-
-    /**
-     * Resets the in-memory ROM metadata cache.
-     */
-    public static native void ResetRomMetadata();
-
-    /**
-     * Returns true if emulation is running (or is paused).
-     */
-    public static native boolean IsRunning();
-
-    /**
-     * Returns the performance stats for the current game
-     **/
-    public static native double[] GetPerfStats();
-
-    /**
-     * Notifies the core emulation that the orientation has changed.
-     */
-    public static native void NotifyOrientationChange(int layout_option, int rotation);
-
-    public enum CoreError {
-        ErrorSystemFiles,
-        ErrorSavestate,
-        ErrorUnknown,
-    }
-
-    private static boolean coreErrorAlertResult = false;
-    private static final Object coreErrorAlertLock = new Object();
-
-    public static class CoreErrorDialogFragment extends DialogFragment {
-        static CoreErrorDialogFragment newInstance(String title, String message) {
-            CoreErrorDialogFragment frag = new CoreErrorDialogFragment();
-            Bundle args = new Bundle();
-            args.putString("title", title);
-            args.putString("message", message);
-            frag.setArguments(args);
-            return frag;
-        }
-
-        @NonNull
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            final Activity emulationActivity = Objects.requireNonNull(getActivity());
-
-            final String title = Objects.requireNonNull(Objects.requireNonNull(getArguments()).getString("title"));
-            final String message = Objects.requireNonNull(Objects.requireNonNull(getArguments()).getString("message"));
-
-            return new MaterialAlertDialogBuilder(emulationActivity)
-                    .setTitle(title)
-                    .setMessage(message)
-                    .setPositiveButton(R.string.continue_button, (dialog, which) -> {
-                        coreErrorAlertResult = true;
-                        synchronized (coreErrorAlertLock) {
-                            coreErrorAlertLock.notify();
-                        }
-                    })
-                    .setNegativeButton(R.string.abort_button, (dialog, which) -> {
-                        coreErrorAlertResult = false;
-                        synchronized (coreErrorAlertLock) {
-                            coreErrorAlertLock.notify();
-                        }
-                    }).setOnDismissListener(dialog -> {
-                        coreErrorAlertResult = true;
-                        synchronized (coreErrorAlertLock) {
-                            coreErrorAlertLock.notify();
-                        }
-                    }).create();
-        }
-    }
-
-    private static void OnCoreErrorImpl(String title, String message) {
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        if (emulationActivity == null) {
-            Log.error("[NativeLibrary] EmulationActivity not present");
-            return;
-        }
-
-        CoreErrorDialogFragment fragment = CoreErrorDialogFragment.newInstance(title, message);
-        fragment.show(emulationActivity.getSupportFragmentManager(), "coreError");
-    }
-
-    /**
-     * Handles a core error.
-     *
-     * @return true: continue; false: abort
-     */
-    public static boolean OnCoreError(CoreError error, String details) {
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        if (emulationActivity == null) {
-            Log.error("[NativeLibrary] EmulationActivity not present");
-            return false;
-        }
-
-        String title, message;
-        switch (error) {
-            case ErrorSystemFiles: {
-                title = emulationActivity.getString(R.string.system_archive_not_found);
-                message = emulationActivity.getString(R.string.system_archive_not_found_message, details.isEmpty() ? emulationActivity.getString(R.string.system_archive_general) : details);
-                break;
-            }
-            case ErrorSavestate: {
-                title = emulationActivity.getString(R.string.save_load_error);
-                message = details;
-                break;
-            }
-            case ErrorUnknown: {
-                title = emulationActivity.getString(R.string.fatal_error);
-                message = emulationActivity.getString(R.string.fatal_error_message);
-                break;
-            }
-            default: {
-                return true;
-            }
-        }
-
-        // Show the AlertDialog on the main thread.
-        emulationActivity.runOnUiThread(() -> OnCoreErrorImpl(title, message));
-
-        // Wait for the lock to notify that it is complete.
-        synchronized (coreErrorAlertLock) {
-            try {
-                coreErrorAlertLock.wait();
-            } catch (Exception ignored) {
-            }
-        }
-
-        return coreErrorAlertResult;
-    }
-
-    public static boolean isPortraitMode() {
-        return YuzuApplication.getAppContext().getResources().getConfiguration().orientation ==
-                Configuration.ORIENTATION_PORTRAIT;
-    }
-
-    public static int landscapeScreenLayout() {
-        return EmulationMenuSettings.getLandscapeScreenLayout();
-    }
-
-    public static boolean displayAlertMsg(final String caption, final String text,
-                                          final boolean yesNo) {
-        Log.error("[NativeLibrary] Alert: " + text);
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        boolean result = false;
-        if (emulationActivity == null) {
-            Log.warning("[NativeLibrary] EmulationActivity is null, can't do panic alert.");
-        } else {
-            // Create object used for waiting.
-            final Object lock = new Object();
-            MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(emulationActivity)
-                    .setTitle(caption)
-                    .setMessage(text);
-
-            // If not yes/no dialog just have one button that dismisses modal,
-            // otherwise have a yes and no button that sets alertResult accordingly.
-            if (!yesNo) {
-                builder
-                        .setCancelable(false)
-                        .setPositiveButton(android.R.string.ok, (dialog, whichButton) ->
-                        {
-                            dialog.dismiss();
-                            synchronized (lock) {
-                                lock.notify();
-                            }
-                        });
-            } else {
-                alertResult = false;
-
-                builder
-                        .setPositiveButton(android.R.string.yes, (dialog, whichButton) ->
-                        {
-                            alertResult = true;
-                            dialog.dismiss();
-                            synchronized (lock) {
-                                lock.notify();
-                            }
-                        })
-                        .setNegativeButton(android.R.string.no, (dialog, whichButton) ->
-                        {
-                            alertResult = false;
-                            dialog.dismiss();
-                            synchronized (lock) {
-                                lock.notify();
-                            }
-                        });
-            }
-
-            // Show the AlertDialog on the main thread.
-            emulationActivity.runOnUiThread(builder::show);
-
-            // Wait for the lock to notify that it is complete.
-            synchronized (lock) {
-                try {
-                    lock.wait();
-                } catch (Exception e) {
-                }
-            }
-
-            if (yesNo)
-                result = alertResult;
-        }
-        return result;
-    }
-
-    public static void retryDisplayAlertPrompt() {
-        if (!alertPromptInProgress) {
-            return;
-        }
-        displayAlertPromptImpl(alertPromptCaption, alertPromptEditText.getText().toString(), alertPromptButtonConfig).show();
-    }
-
-    public static String displayAlertPrompt(String caption, String text, int buttonConfig) {
-        alertPromptCaption = caption;
-        alertPromptButtonConfig = buttonConfig;
-        alertPromptInProgress = true;
-
-        // Show the AlertDialog on the main thread
-        sEmulationActivity.get().runOnUiThread(() -> displayAlertPromptImpl(alertPromptCaption, text, alertPromptButtonConfig).show());
-
-        // Wait for the lock to notify that it is complete
-        synchronized (alertPromptLock) {
-            try {
-                alertPromptLock.wait();
-            } catch (Exception e) {
-            }
-        }
-        alertPromptInProgress = false;
-
-        return alertPromptResult;
-    }
-
-    public static MaterialAlertDialogBuilder displayAlertPromptImpl(String caption, String text, int buttonConfig) {
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        alertPromptResult = "";
-        alertPromptButton = 0;
-
-        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
-        params.leftMargin = params.rightMargin = YuzuApplication.getAppContext().getResources().getDimensionPixelSize(R.dimen.dialog_margin);
-
-        // Set up the input
-        alertPromptEditText = new EditText(YuzuApplication.getAppContext());
-        alertPromptEditText.setText(text);
-        alertPromptEditText.setSingleLine();
-        alertPromptEditText.setLayoutParams(params);
-
-        FrameLayout container = new FrameLayout(emulationActivity);
-        container.addView(alertPromptEditText);
-
-        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(emulationActivity)
-                .setTitle(caption)
-                .setView(container)
-                .setPositiveButton(android.R.string.ok, (dialogInterface, i) ->
-                {
-                    alertPromptButton = buttonConfig;
-                    alertPromptResult = alertPromptEditText.getText().toString();
-                    synchronized (alertPromptLock) {
-                        alertPromptLock.notifyAll();
-                    }
-                })
-                .setOnDismissListener(dialogInterface ->
-                {
-                    alertPromptResult = "";
-                    synchronized (alertPromptLock) {
-                        alertPromptLock.notifyAll();
-                    }
-                });
-
-        if (buttonConfig > 0) {
-            builder.setNegativeButton(android.R.string.cancel, (dialogInterface, i) ->
-            {
-                alertPromptResult = "";
-                synchronized (alertPromptLock) {
-                    alertPromptLock.notifyAll();
-                }
-            });
-        }
-
-        return builder;
-    }
-
-    public static int alertPromptButton() {
-        return alertPromptButton;
-    }
-
-    public static void exitEmulationActivity(int resultCode) {
-        final int Success = 0;
-        final int ErrorNotInitialized = 1;
-        final int ErrorGetLoader = 2;
-        final int ErrorSystemFiles = 3;
-        final int ErrorSharedFont = 4;
-        final int ErrorVideoCore = 5;
-        final int ErrorUnknown = 6;
-        final int ErrorLoader = 7;
-
-        int captionId;
-        int descriptionId;
-        switch (resultCode) {
-            case ErrorVideoCore:
-                captionId = R.string.loader_error_video_core;
-                descriptionId = R.string.loader_error_video_core_description;
-                break;
-            default:
-                captionId = R.string.loader_error_encrypted;
-                descriptionId = R.string.loader_error_encrypted_roms_description;
-                if (!ReloadKeys()) {
-                    descriptionId = R.string.loader_error_encrypted_keys_description;
-                }
-                break;
-        }
-
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        if (emulationActivity == null) {
-            Log.warning("[NativeLibrary] EmulationActivity is null, can't exit.");
-            return;
-        }
-
-        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(emulationActivity)
-                .setTitle(captionId)
-                .setMessage(Html.fromHtml(emulationActivity.getString(descriptionId), Html.FROM_HTML_MODE_LEGACY))
-                .setPositiveButton(android.R.string.ok, (dialog, whichButton) -> emulationActivity.finish())
-                .setOnDismissListener(dialogInterface -> emulationActivity.finish());
-        emulationActivity.runOnUiThread(() -> {
-            AlertDialog alert = builder.create();
-            alert.show();
-            ((TextView) alert.findViewById(android.R.id.message)).setMovementMethod(LinkMovementMethod.getInstance());
-        });
-    }
-
-    public static void setEmulationActivity(EmulationActivity emulationActivity) {
-        Log.verbose("[NativeLibrary] Registering EmulationActivity.");
-        sEmulationActivity = new WeakReference<>(emulationActivity);
-    }
-
-    public static void clearEmulationActivity() {
-        Log.verbose("[NativeLibrary] Unregistering EmulationActivity.");
-
-        sEmulationActivity.clear();
-    }
-
-    private static final Object cameraPermissionLock = new Object();
-    private static boolean cameraPermissionGranted = false;
-    public static final int REQUEST_CODE_NATIVE_CAMERA = 800;
-
-    public static boolean RequestCameraPermission() {
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        if (emulationActivity == null) {
-            Log.error("[NativeLibrary] EmulationActivity not present");
-            return false;
-        }
-        if (ContextCompat.checkSelfPermission(emulationActivity, CAMERA) == PackageManager.PERMISSION_GRANTED) {
-            // Permission already granted
-            return true;
-        }
-        emulationActivity.requestPermissions(new String[]{CAMERA}, REQUEST_CODE_NATIVE_CAMERA);
-
-        // Wait until result is returned
-        synchronized (cameraPermissionLock) {
-            try {
-                cameraPermissionLock.wait();
-            } catch (InterruptedException ignored) {
-            }
-        }
-        return cameraPermissionGranted;
-    }
-
-    public static void CameraPermissionResult(boolean granted) {
-        cameraPermissionGranted = granted;
-        synchronized (cameraPermissionLock) {
-            cameraPermissionLock.notify();
-        }
-    }
-
-    private static final Object micPermissionLock = new Object();
-    private static boolean micPermissionGranted = false;
-    public static final int REQUEST_CODE_NATIVE_MIC = 900;
-
-    public static boolean RequestMicPermission() {
-        final EmulationActivity emulationActivity = sEmulationActivity.get();
-        if (emulationActivity == null) {
-            Log.error("[NativeLibrary] EmulationActivity not present");
-            return false;
-        }
-        if (ContextCompat.checkSelfPermission(emulationActivity, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED) {
-            // Permission already granted
-            return true;
-        }
-        emulationActivity.requestPermissions(new String[]{RECORD_AUDIO}, REQUEST_CODE_NATIVE_MIC);
-
-        // Wait until result is returned
-        synchronized (micPermissionLock) {
-            try {
-                micPermissionLock.wait();
-            } catch (InterruptedException ignored) {
-            }
-        }
-        return micPermissionGranted;
-    }
-
-    public static void MicPermissionResult(boolean granted) {
-        micPermissionGranted = granted;
-        synchronized (micPermissionLock) {
-            micPermissionLock.notify();
-        }
-    }
-
-    /**
-     * Logs the Citra version, Android version and, CPU.
-     */
-    public static native void LogDeviceInfo();
-
-    /**
-     * Submits inline keyboard text. Called on input for buttons that result text.
-     * @param text Text to submit to the inline software keyboard implementation.
-     */
-    public static native void SubmitInlineKeyboardText(String text);
-
-    /**
-     * Submits inline keyboard input. Used to indicate keys pressed that are not text.
-     * @param key_code Android Key Code associated with the keyboard input.
-     */
-    public static native void SubmitInlineKeyboardInput(int key_code);
-
-    /**
-     * Button type for use in onTouchEvent
-     */
-    public static final class ButtonType {
-        public static final int BUTTON_A = 0;
-        public static final int BUTTON_B = 1;
-        public static final int BUTTON_X = 2;
-        public static final int BUTTON_Y = 3;
-        public static final int STICK_L = 4;
-        public static final int STICK_R = 5;
-        public static final int TRIGGER_L = 6;
-        public static final int TRIGGER_R = 7;
-        public static final int TRIGGER_ZL = 8;
-        public static final int TRIGGER_ZR = 9;
-        public static final int BUTTON_PLUS = 10;
-        public static final int BUTTON_MINUS = 11;
-        public static final int DPAD_LEFT = 12;
-        public static final int DPAD_UP = 13;
-        public static final int DPAD_RIGHT = 14;
-        public static final int DPAD_DOWN = 15;
-        public static final int BUTTON_SL = 16;
-        public static final int BUTTON_SR = 17;
-        public static final int BUTTON_HOME = 18;
-        public static final int BUTTON_CAPTURE = 19;
-    }
-
-    /**
-     * Stick type for use in onTouchEvent
-     */
-    public static final class StickType {
-        public static final int STICK_L = 0;
-        public static final int STICK_R = 1;
-    }
-
-    /**
-     * Button states
-     */
-    public static final class ButtonState {
-        public static final int RELEASED = 0;
-        public static final int PRESSED = 1;
-    }
-}

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

@@ -0,0 +1,463 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu
+
+import android.app.Dialog
+import android.content.DialogInterface
+import android.os.Bundle
+import android.text.Html
+import android.text.method.LinkMovementMethod
+import android.view.Surface
+import android.view.View
+import android.widget.TextView
+import androidx.fragment.app.DialogFragment
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.yuzu.yuzu_emu.YuzuApplication.Companion.appContext
+import org.yuzu.yuzu_emu.activities.EmulationActivity
+import org.yuzu.yuzu_emu.utils.DocumentsTree.Companion.isNativePath
+import org.yuzu.yuzu_emu.utils.FileUtil.getFileSize
+import org.yuzu.yuzu_emu.utils.FileUtil.openContentUri
+import org.yuzu.yuzu_emu.utils.Log.error
+import org.yuzu.yuzu_emu.utils.Log.verbose
+import org.yuzu.yuzu_emu.utils.Log.warning
+import org.yuzu.yuzu_emu.utils.SerializableHelper.serializable
+import java.lang.ref.WeakReference
+
+/**
+ * Class which contains methods that interact
+ * with the native side of the Yuzu code.
+ */
+object NativeLibrary {
+    /**
+     * Default controller id for each device
+     */
+    const val Player1Device = 0
+    const val Player2Device = 1
+    const val Player3Device = 2
+    const val Player4Device = 3
+    const val Player5Device = 4
+    const val Player6Device = 5
+    const val Player7Device = 6
+    const val Player8Device = 7
+    const val ConsoleDevice = 8
+
+    var sEmulationActivity = WeakReference<EmulationActivity?>(null)
+
+    init {
+        try {
+            System.loadLibrary("yuzu-android")
+        } catch (ex: UnsatisfiedLinkError) {
+            error("[NativeLibrary] $ex")
+        }
+    }
+
+    @JvmStatic
+    fun openContentUri(path: String?, openmode: String?): Int {
+        return if (isNativePath(path!!)) {
+            YuzuApplication.documentsTree!!.openContentUri(path, openmode)
+        } else openContentUri(appContext, path, openmode)
+    }
+
+    @JvmStatic
+    fun getSize(path: String?): Long {
+        return if (isNativePath(path!!)) {
+            YuzuApplication.documentsTree!!.getFileSize(path)
+        } else getFileSize(appContext, path)
+    }
+
+    /**
+     * Handles button press events for a gamepad.
+     *
+     * @param Device The input descriptor of the gamepad.
+     * @param Button Key code identifying which button was pressed.
+     * @param Action Mask identifying which action is happening (button pressed down, or button released).
+     * @return If we handled the button press.
+     */
+    external fun onGamePadButtonEvent(Device: Int, Button: Int, Action: Int): Boolean
+
+    /**
+     * Handles joystick movement events.
+     *
+     * @param Device The device ID of the gamepad.
+     * @param Axis   The axis ID
+     * @param x_axis The value of the x-axis represented by the given ID.
+     * @param y_axis The value of the y-axis represented by the given ID.
+     */
+    external fun onGamePadJoystickEvent(
+        Device: Int,
+        Axis: Int,
+        x_axis: Float,
+        y_axis: Float
+    ): Boolean
+
+    /**
+     * Handles motion events.
+     *
+     * @param delta_timestamp         The finger id corresponding to this event
+     * @param gyro_x,gyro_y,gyro_z    The value of the accelerometer sensor.
+     * @param accel_x,accel_y,accel_z The value of the y-axis
+     */
+    external fun onGamePadMotionEvent(
+        Device: Int,
+        delta_timestamp: Long,
+        gyro_x: Float,
+        gyro_y: Float,
+        gyro_z: Float,
+        accel_x: Float,
+        accel_y: Float,
+        accel_z: Float
+    ): Boolean
+
+    /**
+     * Signals and load a nfc tag
+     *
+     * @param data         Byte array containing all the data from a nfc tag
+     */
+    external fun onReadNfcTag(data: ByteArray?): Boolean
+
+    /**
+     * Removes current loaded nfc tag
+     */
+    external fun onRemoveNfcTag(): Boolean
+
+    /**
+     * Handles touch press events.
+     *
+     * @param finger_id The finger id corresponding to this event
+     * @param x_axis    The value of the x-axis.
+     * @param y_axis    The value of the y-axis.
+     */
+    external fun onTouchPressed(finger_id: Int, x_axis: Float, y_axis: Float)
+
+    /**
+     * Handles touch movement.
+     *
+     * @param x_axis The value of the instantaneous x-axis.
+     * @param y_axis The value of the instantaneous y-axis.
+     */
+    external fun onTouchMoved(finger_id: Int, x_axis: Float, y_axis: Float)
+
+    /**
+     * Handles touch release events.
+     *
+     * @param finger_id The finger id corresponding to this event
+     */
+    external fun onTouchReleased(finger_id: Int)
+
+    external fun reloadSettings()
+
+    external fun getUserSetting(gameID: String?, Section: String?, Key: String?): String?
+
+    external fun setUserSetting(gameID: String?, Section: String?, Key: String?, Value: String?)
+
+    external fun initGameIni(gameID: String?)
+
+    /**
+     * Gets the embedded icon within the given ROM.
+     *
+     * @param filename the file path to the ROM.
+     * @return a byte array containing the JPEG data for the icon.
+     */
+    external fun getIcon(filename: String): ByteArray
+
+    /**
+     * Gets the embedded title of the given ISO/ROM.
+     *
+     * @param filename The file path to the ISO/ROM.
+     * @return the embedded title of the ISO/ROM.
+     */
+    external fun getTitle(filename: String): String
+
+    external fun getDescription(filename: String): String
+
+    external fun getGameId(filename: String): String
+
+    external fun getRegions(filename: String): String
+
+    external fun getCompany(filename: String): String
+
+    external fun setAppDirectory(directory: String)
+
+    external fun initializeGpuDriver(
+        hookLibDir: String?,
+        customDriverDir: String?,
+        customDriverName: String?,
+        fileRedirectDir: String?
+    )
+
+    external fun reloadKeys(): Boolean
+
+    external fun initializeEmulation()
+
+    external fun defaultCPUCore(): Int
+
+    /**
+     * Begins emulation.
+     */
+    external fun run(path: String?)
+
+    /**
+     * Begins emulation from the specified savestate.
+     */
+    external fun run(path: String?, savestatePath: String?, deleteSavestate: Boolean)
+
+    // Surface Handling
+    external fun surfaceChanged(surf: Surface?)
+
+    external fun surfaceDestroyed()
+
+    external fun doFrame()
+
+    /**
+     * Unpauses emulation from a paused state.
+     */
+    external fun unPauseEmulation()
+
+    /**
+     * Pauses emulation.
+     */
+    external fun pauseEmulation()
+
+    /**
+     * Stops emulation.
+     */
+    external fun stopEmulation()
+
+    /**
+     * Resets the in-memory ROM metadata cache.
+     */
+    external fun resetRomMetadata()
+
+    /**
+     * Returns true if emulation is running (or is paused).
+     */
+    external fun isRunning(): Boolean
+
+    /**
+     * Returns the performance stats for the current game
+     */
+    external fun getPerfStats(): DoubleArray
+
+    /**
+     * Notifies the core emulation that the orientation has changed.
+     */
+    external fun notifyOrientationChange(layout_option: Int, rotation: Int)
+
+    enum class CoreError {
+        ErrorSystemFiles,
+        ErrorSavestate,
+        ErrorUnknown
+    }
+
+    private var coreErrorAlertResult = false
+    private val coreErrorAlertLock = Object()
+
+    class CoreErrorDialogFragment : DialogFragment() {
+        override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+            val title = requireArguments().serializable<String>("title")
+            val message = requireArguments().serializable<String>("message")
+
+            return MaterialAlertDialogBuilder(requireActivity())
+                .setTitle(title)
+                .setMessage(message)
+                .setPositiveButton(R.string.continue_button, null)
+                .setNegativeButton(R.string.abort_button) { _: DialogInterface?, _: Int ->
+                    coreErrorAlertResult = false
+                    synchronized(coreErrorAlertLock) { coreErrorAlertLock.notify() }
+                }
+                .create()
+        }
+
+        override fun onDismiss(dialog: DialogInterface) {
+            coreErrorAlertResult = true
+            synchronized(coreErrorAlertLock) { coreErrorAlertLock.notify() }
+        }
+
+        companion object {
+            fun newInstance(title: String?, message: String?): CoreErrorDialogFragment {
+                val frag = CoreErrorDialogFragment()
+                val args = Bundle()
+                args.putString("title", title)
+                args.putString("message", message)
+                frag.arguments = args
+                return frag
+            }
+        }
+    }
+
+    private fun onCoreErrorImpl(title: String, message: String) {
+        val emulationActivity = sEmulationActivity.get()
+        if (emulationActivity == null) {
+            error("[NativeLibrary] EmulationActivity not present")
+            return
+        }
+
+        val fragment = CoreErrorDialogFragment.newInstance(title, message)
+        fragment.show(emulationActivity.supportFragmentManager, "coreError")
+    }
+
+    /**
+     * Handles a core error.
+     *
+     * @return true: continue; false: abort
+     */
+    fun onCoreError(error: CoreError?, details: String): Boolean {
+        val emulationActivity = sEmulationActivity.get()
+        if (emulationActivity == null) {
+            error("[NativeLibrary] EmulationActivity not present")
+            return false
+        }
+
+        val title: String
+        val message: String
+        when (error) {
+            CoreError.ErrorSystemFiles -> {
+                title = emulationActivity.getString(R.string.system_archive_not_found)
+                message = emulationActivity.getString(
+                    R.string.system_archive_not_found_message,
+                    details.ifEmpty { emulationActivity.getString(R.string.system_archive_general) }
+                )
+            }
+            CoreError.ErrorSavestate -> {
+                title = emulationActivity.getString(R.string.save_load_error)
+                message = details
+            }
+            CoreError.ErrorUnknown -> {
+                title = emulationActivity.getString(R.string.fatal_error)
+                message = emulationActivity.getString(R.string.fatal_error_message)
+            }
+            else -> {
+                return true
+            }
+        }
+
+        // Show the AlertDialog on the main thread.
+        emulationActivity.runOnUiThread(Runnable { onCoreErrorImpl(title, message) })
+
+        // Wait for the lock to notify that it is complete.
+        synchronized(coreErrorAlertLock) { coreErrorAlertLock.wait() }
+
+        return coreErrorAlertResult
+    }
+
+    @JvmStatic
+    fun exitEmulationActivity(resultCode: Int) {
+        val Success = 0
+        val ErrorNotInitialized = 1
+        val ErrorGetLoader = 2
+        val ErrorSystemFiles = 3
+        val ErrorSharedFont = 4
+        val ErrorVideoCore = 5
+        val ErrorUnknown = 6
+        val ErrorLoader = 7
+
+        val captionId: Int
+        var descriptionId: Int
+        when (resultCode) {
+            ErrorVideoCore -> {
+                captionId = R.string.loader_error_video_core
+                descriptionId = R.string.loader_error_video_core_description
+            }
+            else -> {
+                captionId = R.string.loader_error_encrypted
+                descriptionId = R.string.loader_error_encrypted_roms_description
+                if (!reloadKeys()) {
+                    descriptionId = R.string.loader_error_encrypted_keys_description
+                }
+            }
+        }
+
+        val emulationActivity = sEmulationActivity.get()
+        if (emulationActivity == null) {
+            warning("[NativeLibrary] EmulationActivity is null, can't exit.")
+            return
+        }
+
+        val builder = MaterialAlertDialogBuilder(emulationActivity)
+            .setTitle(captionId)
+            .setMessage(
+                Html.fromHtml(
+                    emulationActivity.getString(descriptionId),
+                    Html.FROM_HTML_MODE_LEGACY
+                )
+            )
+            .setPositiveButton(android.R.string.ok) { _: DialogInterface?, _: Int -> emulationActivity.finish() }
+            .setOnDismissListener { emulationActivity.finish() }
+        emulationActivity.runOnUiThread {
+            val alert = builder.create()
+            alert.show()
+            (alert.findViewById<View>(android.R.id.message) as TextView).movementMethod =
+                LinkMovementMethod.getInstance()
+        }
+    }
+
+    fun setEmulationActivity(emulationActivity: EmulationActivity?) {
+        verbose("[NativeLibrary] Registering EmulationActivity.")
+        sEmulationActivity = WeakReference(emulationActivity)
+    }
+
+    fun clearEmulationActivity() {
+        verbose("[NativeLibrary] Unregistering EmulationActivity.")
+        sEmulationActivity.clear()
+    }
+
+    /**
+     * Logs the Yuzu version, Android version and, CPU.
+     */
+    external fun logDeviceInfo()
+
+    /**
+     * Submits inline keyboard text. Called on input for buttons that result text.
+     * @param text Text to submit to the inline software keyboard implementation.
+     */
+    external fun submitInlineKeyboardText(text: String?)
+
+    /**
+     * Submits inline keyboard input. Used to indicate keys pressed that are not text.
+     * @param key_code Android Key Code associated with the keyboard input.
+     */
+    external fun submitInlineKeyboardInput(key_code: Int)
+
+    /**
+     * Button type for use in onTouchEvent
+     */
+    object ButtonType {
+        const val BUTTON_A = 0
+        const val BUTTON_B = 1
+        const val BUTTON_X = 2
+        const val BUTTON_Y = 3
+        const val STICK_L = 4
+        const val STICK_R = 5
+        const val TRIGGER_L = 6
+        const val TRIGGER_R = 7
+        const val TRIGGER_ZL = 8
+        const val TRIGGER_ZR = 9
+        const val BUTTON_PLUS = 10
+        const val BUTTON_MINUS = 11
+        const val DPAD_LEFT = 12
+        const val DPAD_UP = 13
+        const val DPAD_RIGHT = 14
+        const val DPAD_DOWN = 15
+        const val BUTTON_SL = 16
+        const val BUTTON_SR = 17
+        const val BUTTON_HOME = 18
+        const val BUTTON_CAPTURE = 19
+    }
+
+    /**
+     * Stick type for use in onTouchEvent
+     */
+    object StickType {
+        const val STICK_L = 0
+        const val STICK_R = 1
+    }
+
+    /**
+     * Button states
+     */
+    object ButtonState {
+        const val RELEASED = 0
+        const val PRESSED = 1
+    }
+}

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

@@ -40,7 +40,7 @@ class YuzuApplication : Application() {
         documentsTree = DocumentsTree()
         DirectoryInitialization.start(applicationContext)
         GpuDriverHelper.initializeDriverParameters(applicationContext)
-        NativeLibrary.LogDeviceInfo()
+        NativeLibrary.logDeviceInfo()
 
         // TODO(bunnei): Disable notifications until we support app suspension.
         //createNotificationChannel();

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -100,10 +100,10 @@ open class EmulationActivity : AppCompatActivity() {
                 val textChar = event.unicodeChar
                 if (textChar == 0) {
                     // No text, button input.
-                    NativeLibrary.SubmitInlineKeyboardInput(keyCode)
+                    NativeLibrary.submitInlineKeyboardInput(keyCode)
                 } else {
                     // Text submitted.
-                    NativeLibrary.SubmitInlineKeyboardText(textChar.toChar().toString())
+                    NativeLibrary.submitInlineKeyboardText(textChar.toChar().toString())
                 }
             }
         }
@@ -132,9 +132,6 @@ open class EmulationActivity : AppCompatActivity() {
 
     private fun restoreState(savedInstanceState: Bundle) {
         game = savedInstanceState.parcelable(EXTRA_SELECTED_GAME)!!
-
-        // If an alert prompt was in progress when state was restored, retry displaying it
-        NativeLibrary.retryDisplayAlertPrompt()
     }
 
     private fun enableFullscreenImmersive() {

src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/GameAdapter.kt

@@ -93,7 +93,7 @@ class GameAdapter(private val activity: AppCompatActivity, var games: ArrayList<
     }
 
     private fun decodeGameIcon(uri: String): Bitmap? {
-        val data = NativeLibrary.GetIcon(uri)
+        val data = NativeLibrary.getIcon(uri)
         return BitmapFactory.decodeByteArray(
             data,
             0,

src/android/app/src/main/java/org/yuzu/yuzu_emu/applets/keyboard/SoftwareKeyboard.kt

@@ -48,7 +48,7 @@ object SoftwareKeyboard {
                 }
 
                 // No longer visible, submit the result.
-                NativeLibrary.SubmitInlineKeyboardInput(KeyEvent.KEYCODE_ENTER)
+                NativeLibrary.submitInlineKeyboardInput(KeyEvent.KEYCODE_ENTER)
             }
         }, delayMs.toLong())
     }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivity.kt

@@ -85,7 +85,7 @@ class SettingsActivity : AppCompatActivity(), SettingsActivityView {
         presenter.onStop(isFinishing)
 
         // Update framebuffer layout when closing the settings
-        NativeLibrary.NotifyOrientationChange(
+        NativeLibrary.notifyOrientationChange(
             EmulationMenuSettings.landscapeScreenLayout,
             windowManager.defaultDisplay.rotation
         )

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsActivityPresenter.kt

@@ -63,7 +63,7 @@ class SettingsActivityPresenter(private val activityView: SettingsActivityView)
             Log.debug("[SettingsActivity] Settings activity stopping. Saving settings to INI...")
             settings.saveSettings(activityView)
         }
-        NativeLibrary.ReloadSettings()
+        NativeLibrary.reloadSettings()
     }
 
     fun onSettingChanged() {

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/utils/SettingsFile.kt

@@ -155,7 +155,7 @@ object SettingsFile {
             val sortedKeySet: Set<String> = TreeSet(settings.keys)
             for (settingKey in sortedKeySet) {
                 val setting = settings[settingKey]
-                NativeLibrary.SetUserSetting(
+                NativeLibrary.setUserSetting(
                     gameId, mapSectionNameFromIni(
                         section.name
                     ), setting!!.key, setting.valueAsString

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -182,7 +182,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             val FRAMETIME = 2
             val SPEED = 3
             perfStatsUpdater = {
-                val perfStats = NativeLibrary.GetPerfStats()
+                val perfStats = NativeLibrary.getPerfStats()
                 if (perfStats[FPS] > 0 && _binding != null) {
                     binding.showFpsText.text = String.format("FPS: %.1f", perfStats[FPS])
                 }
@@ -333,7 +333,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             if (state != State.STOPPED) {
                 Log.debug("[EmulationFragment] Stopping emulation.")
                 state = State.STOPPED
-                NativeLibrary.StopEmulation()
+                NativeLibrary.stopEmulation()
             } else {
                 Log.warning("[EmulationFragment] Stop called while already stopped.")
             }
@@ -347,8 +347,8 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 Log.debug("[EmulationFragment] Pausing emulation.")
 
                 // Release the surface before pausing, since emulation has to be running for that.
-                NativeLibrary.SurfaceDestroyed()
-                NativeLibrary.PauseEmulation()
+                NativeLibrary.surfaceDestroyed()
+                NativeLibrary.pauseEmulation()
             } else {
                 Log.warning("[EmulationFragment] Pause called while already paused.")
             }
@@ -357,7 +357,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         @Synchronized
         fun run(isActivityRecreated: Boolean) {
             if (isActivityRecreated) {
-                if (NativeLibrary.IsRunning()) {
+                if (NativeLibrary.isRunning()) {
                     state = State.PAUSED
                 }
             } else {
@@ -390,7 +390,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 Log.debug("[EmulationFragment] Surface destroyed.")
                 when (state) {
                     State.RUNNING -> {
-                        NativeLibrary.SurfaceDestroyed()
+                        NativeLibrary.surfaceDestroyed()
                         state = State.PAUSED
                     }
                     State.PAUSED -> Log.warning("[EmulationFragment] Surface cleared while emulation paused.")
@@ -403,17 +403,17 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             runWhenSurfaceIsValid = false
             when (state) {
                 State.STOPPED -> {
-                    NativeLibrary.SurfaceChanged(surface)
+                    NativeLibrary.surfaceChanged(surface)
                     val mEmulationThread = Thread({
                         Log.debug("[EmulationFragment] Starting emulation thread.")
-                        NativeLibrary.Run(mGamePath)
+                        NativeLibrary.run(mGamePath)
                     }, "NativeEmulation")
                     mEmulationThread.start()
                 }
                 State.PAUSED -> {
                     Log.debug("[EmulationFragment] Resuming emulation.")
-                    NativeLibrary.SurfaceChanged(surface)
-                    NativeLibrary.UnPauseEmulation()
+                    NativeLibrary.surfaceChanged(surface)
+                    NativeLibrary.unPauseEmulation()
                 }
                 else -> Log.debug("[EmulationFragment] Bug, run called while already running.")
             }

src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/main/MainActivity.kt

@@ -142,7 +142,7 @@ class MainActivity : AppCompatActivity(), MainView {
 
     private fun refreshFragment() {
         if (platformGamesFragment != null) {
-            NativeLibrary.ResetRomMetadata()
+            NativeLibrary.resetRomMetadata()
             platformGamesFragment!!.refresh()
         }
     }
@@ -194,7 +194,7 @@ class MainActivity : AppCompatActivity(), MainView {
 
             val dstPath = DirectoryInitialization.userDirectory + "/keys/"
             if (FileUtil.copyUriToInternalStorage(this, result, dstPath, "prod.keys")) {
-                if (NativeLibrary.ReloadKeys()) {
+                if (NativeLibrary.reloadKeys()) {
                     Toast.makeText(
                         this,
                         R.string.install_keys_success,
@@ -225,7 +225,7 @@ class MainActivity : AppCompatActivity(), MainView {
 
             val dstPath = DirectoryInitialization.userDirectory + "/keys/"
             if (FileUtil.copyUriToInternalStorage(this, result, dstPath, "key_retail.bin")) {
-                if (NativeLibrary.ReloadKeys()) {
+                if (NativeLibrary.reloadKeys()) {
                     Toast.makeText(
                         this,
                         R.string.install_keys_success,

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

@@ -16,7 +16,7 @@ object DirectoryInitialization {
     fun start(context: Context) {
         if (!areDirectoriesReady) {
             initializeInternalStorage(context)
-            NativeLibrary.InitializeEmulation()
+            NativeLibrary.initializeEmulation()
             areDirectoriesReady = true
         }
     }
@@ -30,7 +30,7 @@ object DirectoryInitialization {
     private fun initializeInternalStorage(context: Context) {
         try {
             userPath = context.getExternalFilesDir(null)!!.canonicalPath
-            NativeLibrary.SetAppDirectory(userPath)
+            NativeLibrary.setAppDirectory(userPath!!)
         } catch (e: IOException) {
             e.printStackTrace()
         }

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

@@ -22,7 +22,7 @@ object GameHelper {
         val gamesUri = Uri.parse(gamesDir)
 
         // Ensure keys are loaded so that ROM metadata can be decrypted.
-        NativeLibrary.ReloadKeys()
+        NativeLibrary.reloadKeys()
 
         val children = FileUtil.listFiles(context, gamesUri)
         for (file in children) {
@@ -44,13 +44,13 @@ object GameHelper {
     }
 
     private fun getGame(filePath: String): Game {
-        var name = NativeLibrary.GetTitle(filePath)
+        var name = NativeLibrary.getTitle(filePath)
 
         // If the game's title field is empty, use the filename.
         if (name.isEmpty()) {
             name = filePath.substring(filePath.lastIndexOf("/") + 1)
         }
-        var gameId = NativeLibrary.GetGameId(filePath)
+        var gameId = NativeLibrary.getGameId(filePath)
 
         // If the game's ID field is empty, use the filename without extension.
         if (gameId.isEmpty()) {
@@ -62,11 +62,11 @@ object GameHelper {
 
         return Game(
             name,
-            NativeLibrary.GetDescription(filePath).replace("\n", " "),
-            NativeLibrary.GetRegions(filePath),
+            NativeLibrary.getDescription(filePath).replace("\n", " "),
+            NativeLibrary.getRegions(filePath),
             filePath,
             gameId,
-            NativeLibrary.GetCompany(filePath)
+            NativeLibrary.getCompany(filePath)
         )
     }
 }

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

@@ -67,7 +67,7 @@ object GpuDriverHelper {
         hookLibPath = context.applicationInfo.nativeLibraryDir + "/"
 
         // Initialize GPU driver.
-        NativeLibrary.InitializeGpuDriver(
+        NativeLibrary.initializeGpuDriver(
             hookLibPath,
             driverInstallationPath,
             customDriverLibraryName,

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

@@ -353,32 +353,32 @@ static Core::SystemResultStatus RunEmulation(const std::string& filepath) {
 
 extern "C" {
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SurfaceChanged(JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceChanged(JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz,
                                                           jobject surf) {
     EmulationSession::GetInstance().SetNativeWindow(ANativeWindow_fromSurface(env, surf));
     EmulationSession::GetInstance().SurfaceChanged();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SurfaceDestroyed(JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceDestroyed(JNIEnv* env,
                                                             [[maybe_unused]] jclass clazz) {
     ANativeWindow_release(EmulationSession::GetInstance().NativeWindow());
     EmulationSession::GetInstance().SetNativeWindow(nullptr);
     EmulationSession::GetInstance().SurfaceChanged();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_NotifyOrientationChange(JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_notifyOrientationChange(JNIEnv* env,
                                                                    [[maybe_unused]] jclass clazz,
                                                                    jint layout_option,
                                                                    jint rotation) {}
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SetAppDirectory(JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_setAppDirectory(JNIEnv* env,
                                                            [[maybe_unused]] jclass clazz,
                                                            jstring j_directory) {
     Common::FS::SetAppDirectory(GetJString(env, j_directory));
 }
 
-void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeGpuDriver(
+void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeGpuDriver(
     JNIEnv* env, [[maybe_unused]] jclass clazz, jstring hook_lib_dir, jstring custom_driver_dir,
     jstring custom_driver_name, jstring file_redirect_dir) {
     EmulationSession::GetInstance().InitializeGpuDriver(
@@ -386,33 +386,33 @@ void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeGpuDriver(
         GetJString(env, custom_driver_name), GetJString(env, file_redirect_dir));
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_ReloadKeys(JNIEnv* env,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadKeys(JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz) {
     Core::Crypto::KeyManager::Instance().ReloadKeys();
     return static_cast<jboolean>(Core::Crypto::KeyManager::Instance().AreKeysLoaded());
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_UnPauseEmulation([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_unPauseEmulation([[maybe_unused]] JNIEnv* env,
                                                             [[maybe_unused]] jclass clazz) {
     EmulationSession::GetInstance().UnPauseEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_PauseEmulation([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_pauseEmulation([[maybe_unused]] JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz) {
     EmulationSession::GetInstance().PauseEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_StopEmulation([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_stopEmulation([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz) {
     EmulationSession::GetInstance().HaltEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_ResetRomMetadata([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_resetRomMetadata([[maybe_unused]] JNIEnv* env,
                                                             [[maybe_unused]] jclass clazz) {
     EmulationSession::GetInstance().ResetRomMetadata();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_IsRunning([[maybe_unused]] JNIEnv* env,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isRunning([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz) {
     return static_cast<jboolean>(EmulationSession::GetInstance().IsRunning());
 }
@@ -492,7 +492,7 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchReleased([[maybe_unused]] JNIE
     }
 }
 
-jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_GetIcon([[maybe_unused]] JNIEnv* env,
+jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getIcon([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     auto icon_data = EmulationSession::GetInstance().GetRomIcon(GetJString(env, j_filename));
@@ -502,43 +502,38 @@ jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_GetIcon([[maybe_unused]] JNIEnv
     return icon;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetTitle([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getTitle([[maybe_unused]] JNIEnv* env,
                                                        [[maybe_unused]] jclass clazz,
                                                        [[maybe_unused]] jstring j_filename) {
     auto title = EmulationSession::GetInstance().GetRomTitle(GetJString(env, j_filename));
     return env->NewStringUTF(title.c_str());
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetDescription([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getDescription([[maybe_unused]] JNIEnv* env,
                                                              [[maybe_unused]] jclass clazz,
                                                              jstring j_filename) {
     return j_filename;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetGameId([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getGameId([[maybe_unused]] JNIEnv* env,
                                                         [[maybe_unused]] jclass clazz,
                                                         jstring j_filename) {
     return j_filename;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetRegions([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getRegions([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     return env->NewStringUTF("");
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetCompany([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getCompany([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     return env->NewStringUTF("");
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetGitRevision([[maybe_unused]] JNIEnv* env,
-                                                             [[maybe_unused]] jclass clazz) {
-    return {};
-}
-
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeEmulation
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeEmulation
     [[maybe_unused]] (JNIEnv* env, [[maybe_unused]] jclass clazz) {
     // Create the default config.ini.
     Config{};
@@ -546,21 +541,21 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeEmulation
     EmulationSession::GetInstance().System().Initialize();
 }
 
-jint Java_org_yuzu_yuzu_1emu_NativeLibrary_DefaultCPUCore([[maybe_unused]] JNIEnv* env,
+jint Java_org_yuzu_yuzu_1emu_NativeLibrary_defaultCPUCore([[maybe_unused]] JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz) {
     return {};
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_Run__Ljava_lang_String_2Ljava_lang_String_2Z(
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2Ljava_lang_String_2Z(
     [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, [[maybe_unused]] jstring j_file,
     [[maybe_unused]] jstring j_savestate, [[maybe_unused]] jboolean j_delete_savestate) {}
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_ReloadSettings([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadSettings([[maybe_unused]] JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz) {
     Config{};
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetUserSetting([[maybe_unused]] JNIEnv* env,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getUserSetting([[maybe_unused]] JNIEnv* env,
                                                              [[maybe_unused]] jclass clazz,
                                                              jstring j_game_id, jstring j_section,
                                                              jstring j_key) {
@@ -575,7 +570,7 @@ jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_GetUserSetting([[maybe_unused]] JN
     return env->NewStringUTF("");
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SetUserSetting([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_setUserSetting([[maybe_unused]] JNIEnv* env,
                                                           [[maybe_unused]] jclass clazz,
                                                           jstring j_game_id, jstring j_section,
                                                           jstring j_key, jstring j_value) {
@@ -590,7 +585,7 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_SetUserSetting([[maybe_unused]] JNIEn
     env->ReleaseStringUTFChars(j_value, value.data());
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_InitGameIni([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_initGameIni([[maybe_unused]] JNIEnv* env,
                                                        [[maybe_unused]] jclass clazz,
                                                        jstring j_game_id) {
     std::string_view game_id = env->GetStringUTFChars(j_game_id, 0);
@@ -598,7 +593,7 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_InitGameIni([[maybe_unused]] JNIEnv*
     env->ReleaseStringUTFChars(j_game_id, game_id.data());
 }
 
-jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_GetPerfStats([[maybe_unused]] JNIEnv* env,
+jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPerfStats([[maybe_unused]] JNIEnv* env,
                                                                 [[maybe_unused]] jclass clazz) {
     jdoubleArray j_stats = env->NewDoubleArray(4);
 
@@ -615,10 +610,10 @@ jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_GetPerfStats([[maybe_unused]]
     return j_stats;
 }
 
-void Java_org_yuzu_yuzu_1emu_utils_DirectoryInitialization_SetSysDirectory(
+void Java_org_yuzu_yuzu_1emu_utils_DirectoryInitialization_setSysDirectory(
     [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, jstring j_path) {}
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_Run__Ljava_lang_String_2([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2([[maybe_unused]] JNIEnv* env,
                                                                     [[maybe_unused]] jclass clazz,
                                                                     jstring j_path) {
     const std::string path = GetJString(env, j_path);
@@ -630,19 +625,19 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_Run__Ljava_lang_String_2([[maybe_unus
     }
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_LogDeviceInfo([[maybe_unused]] JNIEnv* env,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_logDeviceInfo([[maybe_unused]] JNIEnv* env,
                                                          [[maybe_unused]] jclass clazz) {
     LOG_INFO(Frontend, "yuzu Version: {}-{}", Common::g_scm_branch, Common::g_scm_desc);
     LOG_INFO(Frontend, "Host OS: Android API level {}", android_get_device_api_level());
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SubmitInlineKeyboardText(JNIEnv* env, jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_submitInlineKeyboardText(JNIEnv* env, jclass clazz,
                                                                     jstring j_text) {
     const std::u16string input = Common::UTF8ToUTF16(GetJString(env, j_text));
     EmulationSession::GetInstance().SoftwareKeyboard()->SubmitInlineKeyboardText(input);
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_SubmitInlineKeyboardInput(JNIEnv* env, jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_submitInlineKeyboardInput(JNIEnv* env, jclass clazz,
                                                                      jint j_key_code) {
     EmulationSession::GetInstance().SoftwareKeyboard()->SubmitInlineKeyboardInput(j_key_code);
 }