Merge develop into main (#327)

## New features
- Implemented support for app packaging in firmware and `tactility.py`: load `.app` files instead of `.elf` files. Install apps remotely or via `FileBrowser`.
- Ensure headless mode works: all services that require LVGL can deal with the absence of a display
- Service `onStart()` is now allowed to fail (return `bool` result)
- Added and improved various file-related helper functions

## Improvements
- Completely revamped the SystemInfo app UI
- Improved Calculator UI of internal and external variant
- Fix Chat UI and removed the emoji buttons for now
- Fix for toolbar bottom padding issue in all apps

## Fixes
- Fix for allowing recursive locking for certain SPI SD cards
& more

Tactility/Private/Tactility/app/filebrowser/SupportedFiles.h

@@ -4,7 +4,7 @@
 
 namespace tt::app::filebrowser {
 
-bool isSupportedExecutableFile(const std::string& filename);
+bool isSupportedAppFile(const std::string& filename);
 bool isSupportedImageFile(const std::string& filename);
 bool isSupportedTextFile(const std::string& filename);
 

Tactility/Private/Tactility/app/filebrowser/View.h

@@ -16,6 +16,9 @@ class View {
     lv_obj_t* action_list = nullptr;
     lv_obj_t* navigate_up_button = nullptr;
 
+    std::string installAppPath = { 0 };
+    LaunchId installAppLaunchId = 0;
+
     void showActionsForDirectory();
     void showActionsForFile();
 
@@ -36,7 +39,7 @@ public:
     void onRenamePressed();
     void onDeletePressed();
     void onDirEntryListScrollBegin();
-    void onResult(Result result, std::unique_ptr<Bundle> bundle);
+    void onResult(LaunchId launchId, Result result, std::unique_ptr<Bundle> bundle);
 };
 
 }

Tactility/Private/Tactility/service/development/DevelopmentService.h

@@ -55,7 +55,7 @@ public:
 
     // region Overrides
 
-    void onStart(ServiceContext& service) override;
+    bool onStart(ServiceContext& service) override;
     void onStop(ServiceContext& service) override;
 
     // endregion Overrides

Tactility/Private/Tactility/service/espnow/EspNowService.h

@@ -42,7 +42,7 @@ public:
 
     // region Overrides
 
-    void onStart(ServiceContext& service) override;
+    bool onStart(ServiceContext& service) override;
     void onStop(ServiceContext& service) override;
 
     // endregion Overrides

Tactility/Private/Tactility/service/gui/GuiService.h

@@ -52,18 +52,17 @@ class GuiService : public Service {
         tt_check(mutex.unlock());
     }
 
-public:
-
-    void onStart(TT_UNUSED ServiceContext& service) override;
-
-    void onStop(TT_UNUSED ServiceContext& service) override;
-
-    void requestDraw();
-
     void showApp(std::shared_ptr<app::AppContext> app);
 
     void hideApp();
 
+public:
+
+    bool onStart(TT_UNUSED ServiceContext& service) override;
+
+    void onStop(TT_UNUSED ServiceContext& service) override;
+
+    void requestDraw();
 
     /**
      * Show the on-screen keyboard.

Tactility/Private/Tactility/service/screenshot/Screenshot.h

@@ -19,14 +19,14 @@ enum class Mode {
 
 class ScreenshotService final : public Service {
 
-private:
-
     Mutex mutex;
     std::unique_ptr<ScreenshotTask> task;
     Mode mode = Mode::None;
 
 public:
 
+    bool onStart(ServiceContext& serviceContext) override;
+
     bool isTaskStarted();
 
     /** The state of the service. */