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

@@ -206,6 +206,16 @@ object NativeLibrary {
         ErrorUnknown
     }
 
+    /**
+     *  playtime tracking
+     */
+    external fun playTimeManagerInit()
+    external fun playTimeManagerStart()
+    external fun playTimeManagerStop()
+    external fun playTimeManagerGetPlayTime(programId: String): Long
+    external fun playTimeManagerGetCurrentTitleId(): Long
+    external fun playTimeManagerResetProgramPlayTime(programId: String)
+
     var coreErrorAlertResult = false
     val coreErrorAlertLock = Object()
 

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

@@ -53,6 +53,7 @@ class YuzuApplication : Application() {
         application = this
         documentsTree = DocumentsTree()
         DirectoryInitialization.start()
+        NativeLibrary.playTimeManagerInit()
         GpuDriverHelper.initializeDriverParameters()
         NativeInput.reloadInputDevices()
         NativeLibrary.logDeviceInfo()

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

@@ -61,6 +61,7 @@ import org.yuzu.yuzu_emu.utils.ThemeHelper
 import java.text.NumberFormat
 import kotlin.math.roundToInt
 import org.yuzu.yuzu_emu.utils.ForegroundService
+import androidx.core.os.BundleCompat
 
 class EmulationActivity : AppCompatActivity(), SensorEventListener {
     private lateinit var binding: ActivityEmulationBinding
@@ -322,6 +323,11 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
 
     override fun onAccuracyChanged(sensor: Sensor, i: Int) {}
 
+    override fun onDestroy() {
+        super.onDestroy()
+        NativeLibrary.playTimeManagerStop()
+    }
+
     private fun enableFullscreenImmersive() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
 
@@ -526,6 +532,8 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
 
     fun onEmulationStarted() {
         emulationViewModel.setEmulationStarted(true)
+        NativeLibrary.playTimeManagerStart()
+
     }
 
     fun onEmulationStopped(status: Int) {

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

@@ -1635,6 +1635,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 Log.debug("[EmulationFragment] Pausing emulation.")
 
                 NativeLibrary.pauseEmulation()
+                NativeLibrary.playTimeManagerStop()
 
                 state = State.PAUSED
             } else {
@@ -1725,6 +1726,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 State.PAUSED -> {
                     Log.debug("[EmulationFragment] Resuming emulation.")
                     NativeLibrary.unpauseEmulation()
+                    NativeLibrary.playTimeManagerStart()
                 }
 
                 else -> Log.debug("[EmulationFragment] Bug, run called while already running.")

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

@@ -25,6 +25,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.yuzu.yuzu_emu.HomeNavigationDirections
+import org.yuzu.yuzu_emu.NativeLibrary
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.YuzuApplication
 import org.yuzu.yuzu_emu.adapters.GamePropertiesAdapter
@@ -104,6 +105,8 @@ class GamePropertiesFragment : Fragment() {
         binding.title.text = args.game.title
         binding.title.marquee()
 
+        getPlayTime()
+
         binding.buttonStart.setOnClickListener {
             LaunchGameDialogFragment.newInstance(args.game)
                 .show(childFragmentManager, LaunchGameDialogFragment.TAG)
@@ -128,6 +131,25 @@ class GamePropertiesFragment : Fragment() {
         gamesViewModel.reloadGames(true)
     }
 
+    private fun getPlayTime() {
+        binding.playtime.text = buildString {
+            val playTimeSeconds = NativeLibrary.playTimeManagerGetPlayTime(args.game.programId)
+
+            val hours = playTimeSeconds / 3600
+            val minutes = (playTimeSeconds % 3600) / 60
+            val seconds = playTimeSeconds % 60
+
+            val readablePlayTime = when {
+                hours > 0 -> "${hours}h ${minutes}m ${seconds}s"
+                minutes > 0 -> "${minutes}m ${seconds}s"
+                else -> "${seconds}s"
+            }
+
+            append("Playtime: ")
+            append(readablePlayTime)
+        }
+    }
+
     private fun reloadList() {
         _binding ?: return
 
@@ -272,6 +294,31 @@ class GamePropertiesFragment : Fragment() {
                         }
                     )
                 }
+                if (NativeLibrary.playTimeManagerGetPlayTime(args.game.programId) > 0) {
+                    add(
+                        SubmenuProperty(
+                            R.string.reset_playtime,
+                            R.string.reset_playtime_description,
+                            R.drawable.ic_delete
+                        ) {
+                            MessageDialogFragment.newInstance(
+                                requireActivity(),
+                                titleId = R.string.reset_playtime,
+                                descriptionId = R.string.reset_playtime_warning_description,
+                                positiveAction = {
+                                    NativeLibrary.playTimeManagerResetProgramPlayTime( args.game.programId)
+                                    Toast.makeText(
+                                        YuzuApplication.appContext,
+                                        R.string.playtime_reset_successfully,
+                                        Toast.LENGTH_SHORT
+                                    ).show()
+                                    getPlayTime()
+                                    homeViewModel.reloadPropertiesList(true)
+                                }
+                            ).show(parentFragmentManager, MessageDialogFragment.TAG)
+                        }
+                    )
+                }
             }
         }
         binding.listProperties.apply {

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

@@ -36,6 +36,7 @@
 #include "common/scope_exit.h"
 #include "common/settings.h"
 #include "common/string_util.h"
+#include "common/play_time_manager.h"
 #include "core/core.h"
 #include "core/cpu_manager.h"
 #include "core/crypto/key_manager.h"
@@ -85,6 +86,9 @@ std::atomic<int> g_battery_percentage = {100};
 std::atomic<bool> g_is_charging = {false};
 std::atomic<bool> g_has_battery = {true};
 
+// playtime
+std::unique_ptr<PlayTime::PlayTimeManager> play_time_manager;
+
 EmulationSession::EmulationSession() {
     m_vfs = std::make_shared<FileSys::RealVfsFilesystem>();
 }
@@ -733,6 +737,48 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeEmptyUserDirectory(JNIEnv*
     }
 }
 
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerInit(JNIEnv* env, jobject obj) {
+    // for some reason the full user directory isnt initialized in Android, so we need to create it
+    const auto play_time_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::PlayTimeDir);
+    if (!Common::FS::IsDir(play_time_dir)) {
+        if (!Common::FS::CreateDir(play_time_dir)) {
+            LOG_WARNING(Frontend, "Failed to create play time directory");
+        }
+    }
+
+    play_time_manager = std::make_unique<PlayTime::PlayTimeManager>();
+}
+
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerStart(JNIEnv* env, jobject obj) {
+    if (play_time_manager) {
+        play_time_manager->SetProgramId(EmulationSession::GetInstance().System().GetApplicationProcessProgramID());
+        play_time_manager->Start();
+    }
+}
+
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerStop(JNIEnv* env, jobject obj) {
+    play_time_manager->Stop();
+}
+
+jlong Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerGetPlayTime(JNIEnv* env, jobject obj,
+                                                                       jstring jprogramId) {
+    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
+    return play_time_manager->GetPlayTime(program_id);
+}
+
+jlong Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerGetCurrentTitleId(JNIEnv* env,
+                                                                             jobject obj) {
+    return EmulationSession::GetInstance().System().GetApplicationProcessProgramID();
+}
+
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_playTimeManagerResetProgramPlayTime(JNIEnv* env, jobject obj,
+                                                                jstring jprogramId) {
+    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
+    if (play_time_manager) {
+        play_time_manager->ResetProgramPlayTime(program_id);
+    }
+}
+
 jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getAppletLaunchPath(JNIEnv* env, jclass clazz,
                                                                   jlong jid) {
     auto bis_system =

src/android/app/src/main/res/layout-w600dp/fragment_game_properties.xml

@@ -105,6 +105,16 @@
             android:textAlignment="center"
             tools:text="deko_basic" />
 
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/playtime"
+            style="?attr/textAppearanceBodyMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_constraintStart_toStartOf="@id/title"
+            app:layout_constraintTop_toBottomOf="@+id/about_game_filename"
+            android:ellipsize="none"
+            tools:text="Game Playtime" />
+
     </LinearLayout>
 
     <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton

src/android/app/src/main/res/layout/fragment_game_properties.xml

@@ -74,12 +74,22 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="12dp"
-                android:layout_marginBottom="12dp"
+                android:layout_marginBottom="2dp"
                 android:layout_marginHorizontal="16dp"
                 android:requiresFadingEdge="horizontal"
                 android:textAlignment="center"
                 tools:text="deko_basic" />
 
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/playtime"
+                style="?attr/textAppearanceBodyMedium"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintStart_toStartOf="@id/title"
+                app:layout_constraintTop_toBottomOf="@+id/about_game_filename"
+                tools:text="Game Playtime" />
+
+
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/list_properties"
                 android:layout_width="match_parent"

src/android/app/src/main/res/values/strings.xml

@@ -1632,4 +1632,9 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     </string>
+    <string name="playtime_format">Playtime: %1$d h, %2$d m</string>
+    <string name="reset_playtime">Clear Playtime</string>
+    <string name="reset_playtime_description">Reset the current game\'s playtime back to 0 seconds</string>
+    <string name="reset_playtime_warning_description">This will clear the current game\'s playtime data. Are you sure?</string>
+    <string name="playtime_reset_successfully">Playtime has been reset</string>
 </resources>

src/common/CMakeLists.txt

@@ -104,6 +104,8 @@ add_library(
   parent_of_member.h
   point.h
   precompiled_headers.h
+  play_time_manager.cpp
+  play_time_manager.h
   quaternion.h
   range_map.h
   range_mutex.h

src/common/play_time_manager.cpp

@@ -11,7 +11,7 @@
 #include "common/settings.h"
 #include "common/thread.h"
 #include "core/hle/service/acc/profile_manager.h"
-#include "yuzu/play_time_manager.h"
+#include "common/play_time_manager.h"
 
 namespace PlayTime {
 
@@ -22,19 +22,13 @@ struct PlayTimeElement {
     PlayTime play_time;
 };
 
-std::optional<std::filesystem::path> GetCurrentUserPlayTimePath(
+std::optional<std::filesystem::path> GetCurrentUserPlayTimePath() {
-    const Service::Account::ProfileManager& manager) {
-    const auto uuid = manager.GetUser(static_cast<s32>(Settings::values.current_user));
-    if (!uuid.has_value()) {
-        return std::nullopt;
-    }
     return Common::FS::GetEdenPath(Common::FS::EdenPath::PlayTimeDir) /
-           uuid->RawString().append(".bin");
+           "playtime.bin";
 }
 
-[[nodiscard]] bool ReadPlayTimeFile(PlayTimeDatabase& out_play_time_db,
+[[nodiscard]] bool ReadPlayTimeFile(PlayTimeDatabase& out_play_time_db) {
-                                    const Service::Account::ProfileManager& manager) {
+    const auto filename = GetCurrentUserPlayTimePath();
-    const auto filename = GetCurrentUserPlayTimePath(manager);
 
     if (!filename.has_value()) {
         LOG_ERROR(Frontend, "Failed to get current user path");
@@ -69,9 +63,8 @@ std::optional<std::filesystem::path> GetCurrentUserPlayTimePath(
     return true;
 }
 
-[[nodiscard]] bool WritePlayTimeFile(const PlayTimeDatabase& play_time_db,
+[[nodiscard]] bool WritePlayTimeFile(const PlayTimeDatabase& play_time_db) {
-                                     const Service::Account::ProfileManager& manager) {
+    const auto filename = GetCurrentUserPlayTimePath();
-    const auto filename = GetCurrentUserPlayTimePath(manager);
 
     if (!filename.has_value()) {
         LOG_ERROR(Frontend, "Failed to get current user path");
@@ -100,9 +93,9 @@ std::optional<std::filesystem::path> GetCurrentUserPlayTimePath(
 
 } // namespace
 
-PlayTimeManager::PlayTimeManager(Service::Account::ProfileManager& profile_manager)
+PlayTimeManager::PlayTimeManager()
-    : manager{profile_manager} {
+    : running_program_id() {
-    if (!ReadPlayTimeFile(database, manager)) {
+    if (!ReadPlayTimeFile(database)) {
         LOG_ERROR(Frontend, "Failed to read play time database! Resetting to default.");
     }
 }
@@ -147,7 +140,7 @@ void PlayTimeManager::AutoTimestamp(std::stop_token stop_token) {
 }
 
 void PlayTimeManager::Save() {
-    if (!WritePlayTimeFile(database, manager)) {
+    if (!WritePlayTimeFile(database)) {
         LOG_ERROR(Frontend, "Failed to update play time database!");
     }
 }
@@ -166,19 +159,4 @@ void PlayTimeManager::ResetProgramPlayTime(u64 program_id) {
     Save();
 }
 
-QString ReadablePlayTime(qulonglong time_seconds) {
-    if (time_seconds == 0) {
-        return {};
-    }
-    const auto time_minutes = (std::max)(static_cast<double>(time_seconds) / 60, 1.0);
-    const auto time_hours = static_cast<double>(time_seconds) / 3600;
-    const bool is_minutes = time_minutes < 60;
-    const char* unit = is_minutes ? "m" : "h";
-    const auto value = is_minutes ? time_minutes : time_hours;
-
-    return QStringLiteral("%L1 %2")
-        .arg(value, 0, 'f', !is_minutes && time_seconds % 60 != 0)
-        .arg(QString::fromUtf8(unit));
-}
-
 } // namespace PlayTime

src/common/play_time_manager.h

@@ -6,8 +6,6 @@
 
 #pragma once
 
-#include <QString>
-
 #include <map>
 
 #include "common/common_funcs.h"
@@ -27,7 +25,7 @@ using PlayTimeDatabase = std::map<ProgramId, PlayTime>;
 
 class PlayTimeManager {
 public:
-    explicit PlayTimeManager(Service::Account::ProfileManager& profile_manager);
+    explicit PlayTimeManager();
     ~PlayTimeManager();
 
     YUZU_NON_COPYABLE(PlayTimeManager);
@@ -46,9 +44,7 @@ private:
     PlayTimeDatabase database;
     u64 running_program_id;
     std::jthread play_time_thread;
-    Service::Account::ProfileManager& manager;
 };
 
-QString ReadablePlayTime(qulonglong time_seconds);
 
 } // namespace PlayTime

src/yuzu/CMakeLists.txt

@@ -198,8 +198,6 @@ add_executable(yuzu
     multiplayer/state.cpp
     multiplayer/state.h
     multiplayer/validation.h
-    play_time_manager.cpp
-    play_time_manager.h
     precompiled_headers.h
     startup_checks.cpp
     startup_checks.h

src/yuzu/game_list.h

@@ -23,7 +23,7 @@
 #include "qt_common/uisettings.h"
 #include "qt_common/qt_game_util.h"
 #include "yuzu/compatibility_list.h"
-#include "yuzu/play_time_manager.h"
+#include "common/play_time_manager.h"
 
 namespace Core {
 class System;

src/yuzu/game_list_p.h

@@ -21,7 +21,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
-#include "yuzu/play_time_manager.h"
+#include "common/play_time_manager.h""
 #include "qt_common/uisettings.h"
 #include "yuzu/util/util.h"
 
@@ -241,7 +241,7 @@ public:
 
     void setData(const QVariant& value, int role) override {
         qulonglong time_seconds = value.toULongLong();
-        GameListItem::setData(PlayTime::ReadablePlayTime(time_seconds), Qt::DisplayRole);
+        GameListItem::setData(ReadablePlayTime(time_seconds), Qt::DisplayRole);
         GameListItem::setData(value, PlayTimeRole);
     }
 

src/yuzu/game_list_worker.h

@@ -20,7 +20,7 @@
 #include "core/file_sys/registered_cache.h"
 #include "qt_common/uisettings.h"
 #include "yuzu/compatibility_list.h"
-#include "yuzu/play_time_manager.h"
+#include "common/play_time_manager.h""
 
 namespace Core {
 class System;

src/yuzu/main.cpp

@@ -163,7 +163,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/install_dialog.h"
 #include "yuzu/loading_screen.h"
 #include "yuzu/main.h"
-#include "yuzu/play_time_manager.h"
+#include "common/play_time_manager.h"
 #include "yuzu/startup_checks.h"
 #include "qt_common/uisettings.h"
 #include "yuzu/util/clickable_label.h"
@@ -447,7 +447,7 @@ GMainWindow::GMainWindow(bool has_broken_vulkan)
     SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     discord_rpc->Update();
 
-    play_time_manager = std::make_unique<PlayTime::PlayTimeManager>(QtCommon::system->GetProfileManager());
+    play_time_manager = std::make_unique<PlayTime::PlayTimeManager>();
 
     Network::Init();
 

src/yuzu/util/util.cpp

@@ -48,6 +48,21 @@ QPixmap CreateCirclePixmapFromColor(const QColor& color) {
     return circle_pixmap;
 }
 
+QString ReadableDuration(qulonglong time_seconds) {
+    if (time_seconds == 0) {
+        return {};
+    }
+    const auto time_minutes = std::max(static_cast<double>(time_seconds) / 60, 1.0);
+    const auto time_hours = static_cast<double>(time_seconds) / 3600;
+    const bool is_minutes = time_minutes < 60;
+    const char* unit = is_minutes ? "m" : "h";
+    const auto value = is_minutes ? time_minutes : time_hours;
+
+    return QStringLiteral("%L1 %2")
+            .arg(value, 0, 'f', !is_minutes && time_seconds % 60 != 0)
+            .arg(QString::fromUtf8(unit));
+}
+
 bool SaveIconToFile(const std::filesystem::path& icon_path, const QImage& image) {
 #if defined(WIN32)
 #pragma pack(push, 2)

src/yuzu/util/util.h

@@ -27,3 +27,6 @@
  * @return bool If the operation succeeded
  */
 [[nodiscard]] bool SaveIconToFile(const std::filesystem::path& icon_path, const QImage& image);
+
+// Converts a length of time in seconds into a readable format
+QString ReadableDuration(qulonglong time_seconds);