Address review

src/android/app/src/main/java/org/citra/citra_emu/camera/StillImageCameraHelper.java

@@ -6,17 +6,12 @@ package org.citra.citra_emu.camera;
 
 import android.content.Intent;
 import android.graphics.Bitmap;
-import android.net.Uri;
 import android.provider.MediaStore;
 
-import com.squareup.picasso.Picasso;
-
 import org.citra.citra_emu.NativeLibrary;
 import org.citra.citra_emu.R;
 import org.citra.citra_emu.activities.EmulationActivity;
-import org.citra.citra_emu.utils.FileBrowserHelper;
-
-import java.io.IOException;
+import org.citra.citra_emu.utils.PicassoUtils;
 
 import androidx.annotation.Nullable;
 
@@ -53,11 +48,7 @@ public final class StillImageCameraHelper {
 
     // Called from EmulationActivity.
     public static void OnFilePickerResult(Intent result) {
-        if (result == null) {
-            filePickerPath = null;
-        } else {
-            filePickerPath = result.getDataString();
-        }
+        filePickerPath = result == null ? null : result.getDataString();
 
         synchronized (filePickerLock) {
             filePickerLock.notifyAll();
@@ -67,15 +58,6 @@ public final class StillImageCameraHelper {
     // Blocking call. Load image from file and crop/resize it to fit in width x height.
     @Nullable
     public static Bitmap LoadImageFromFile(String uri, int width, int height) {
-        try {
-            return Picasso.get()
-                .load(Uri.parse(uri))
-                .config(Bitmap.Config.ARGB_8888)
-                .centerCrop()
-                .resize(width, height)
-                .get();
-        } catch (IOException e) {
-            return null;
-        }
+        return PicassoUtils.LoadBitmapFromFile(uri, width, height);
     }
 }

src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFragmentPresenter.java

@@ -192,17 +192,19 @@ public final class SettingsFragmentPresenter {
                     supportedCameraIdList.add(id);
 
                     final int facing = Objects.requireNonNull(characteristics.get(CameraCharacteristics.LENS_FACING));
+                    int stringId = R.string.camera_facing_external;
                     switch (facing) {
                     case CameraCharacteristics.LENS_FACING_FRONT:
-                        supportedCameraNameList.add(String.format("%1$s (%2$s)", id, activity.getString(R.string.camera_facing_front)));
+                        stringId = R.string.camera_facing_front;
                         break;
                     case CameraCharacteristics.LENS_FACING_BACK:
-                        supportedCameraNameList.add(String.format("%1$s (%2$s)", id, activity.getString(R.string.camera_facing_back)));
+                        stringId = R.string.camera_facing_back;
                         break;
                     case CameraCharacteristics.LENS_FACING_EXTERNAL:
-                        supportedCameraNameList.add(String.format("%1$s (%2$s)", id, activity.getString(R.string.camera_facing_external)));
+                        stringId = R.string.camera_facing_external;
                         break;
                     }
+                    supportedCameraNameList.add(String.format("%1$s (%2$s)", id, stringId));
                 }
             } catch (CameraAccessException e) {
                 Log.error("Couldn't retrieve camera list");

src/android/app/src/main/java/org/citra/citra_emu/utils/PermissionsHandler.java

@@ -8,12 +8,10 @@ import android.os.Build;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentActivity;
 
-import static android.Manifest.permission.CAMERA;
 import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
 
 public class PermissionsHandler {
     public static final int REQUEST_CODE_WRITE_PERMISSION = 500;
-    public static final int REQUEST_CODE_CAMERA = 700;
 
     // We use permissions acceptance as an indicator if this is a first boot for the user.
     public static boolean isFirstBoot(final FragmentActivity activity) {

src/android/app/src/main/java/org/citra/citra_emu/utils/PicassoUtils.java

@@ -8,6 +8,10 @@ import com.squareup.picasso.Picasso;
 
 import org.citra.citra_emu.R;
 
+import java.io.IOException;
+
+import androidx.annotation.Nullable;
+
 public class PicassoUtils {
     public static void loadGameIcon(ImageView imageView, String gamePath) {
         Picasso picassoInstance = new Picasso.Builder(imageView.getContext())
@@ -25,4 +29,19 @@ public class PicassoUtils {
                 .transform(new PicassoRoundedCornersTransformation())
                 .into(imageView);
     }
+
+    // Blocking call. Load image from file and crop/resize it to fit in width x height.
+    @Nullable
+    public static Bitmap LoadBitmapFromFile(String uri, int width, int height) {
+        try {
+            return Picasso.get()
+                    .load(Uri.parse(uri))
+                    .config(Bitmap.Config.ARGB_8888)
+                    .centerCrop()
+                    .resize(width, height)
+                    .get();
+        } catch (IOException e) {
+            return null;
+        }
+    }
 }

src/android/app/src/main/jni/camera/ndk_camera.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <string_view>
 #include <unordered_map>
 #include <camera/NdkCameraManager.h>
 #include "common/common_types.h"
@@ -47,8 +48,8 @@ private:
 };
 
 // Placeholders to mean 'use any front/back camera'
-constexpr char FrontCameraPlaceholder[] = "_front";
-constexpr char BackCameraPlaceholder[] = "_back";
+constexpr std::string_view FrontCameraPlaceholder = "_front";
+constexpr std::string_view BackCameraPlaceholder = "_back";
 
 class Factory final : public CameraFactory {
 public:

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

@@ -208,19 +208,19 @@ void Config::ReadValues() {
     Settings::values.camera_name[OuterRightCamera] =
         sdl2_config->GetString("Camera", "camera_outer_right_name", "ndk");
     Settings::values.camera_config[OuterRightCamera] = sdl2_config->GetString(
-        "Camera", "camera_outer_right_config", Camera::NDK::BackCameraPlaceholder);
+        "Camera", "camera_outer_right_config", std::string{Camera::NDK::BackCameraPlaceholder});
     Settings::values.camera_flip[OuterRightCamera] =
         sdl2_config->GetInteger("Camera", "camera_outer_right_flip", 0);
     Settings::values.camera_name[InnerCamera] =
         sdl2_config->GetString("Camera", "camera_inner_name", "ndk");
     Settings::values.camera_config[InnerCamera] = sdl2_config->GetString(
-        "Camera", "camera_inner_config", Camera::NDK::FrontCameraPlaceholder);
+        "Camera", "camera_inner_config", std::string{Camera::NDK::FrontCameraPlaceholder});
     Settings::values.camera_flip[InnerCamera] =
         sdl2_config->GetInteger("Camera", "camera_inner_flip", 0);
     Settings::values.camera_name[OuterLeftCamera] =
         sdl2_config->GetString("Camera", "camera_outer_left_name", "ndk");
     Settings::values.camera_config[OuterLeftCamera] = sdl2_config->GetString(
-        "Camera", "camera_outer_left_config", Camera::NDK::BackCameraPlaceholder);
+        "Camera", "camera_outer_left_config", std::string{Camera::NDK::BackCameraPlaceholder});
     Settings::values.camera_flip[OuterLeftCamera] =
         sdl2_config->GetInteger("Camera", "camera_outer_left_flip", 0);
 

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

@@ -173,8 +173,8 @@ void Java_org_citra_citra_1emu_NativeLibrary_SurfaceChanged(JNIEnv* env,
     LOG_INFO(Frontend, "Surface changed");
 }
 
-void Java_org_citra_citra_1emu_NativeLibrary_SurfaceDestroyed(
-    JNIEnv* env, [[maybe_unused]][[maybe_unused]] jclass clazz) {
+void Java_org_citra_citra_1emu_NativeLibrary_SurfaceDestroyed(JNIEnv* env,
+                                                              [[maybe_unused]] jclass clazz) {
     ANativeWindow_release(s_surf);
     s_surf = nullptr;
     if (window) {