App improvements (#103)

Tactility/Source/app/screenshot/Screenshot.cpp

@@ -2,17 +2,17 @@
 
 namespace tt::app::screenshot {
 
-static void on_show(App& app, lv_obj_t* parent) {
+static void onShow(App& app, lv_obj_t* parent) {
     auto* ui = static_cast<ScreenshotUi*>(app.getData());
     create_ui(app, ui, parent);
 }
 
-static void on_start(App& app) {
+static void onStart(App& app) {
     auto* ui = static_cast<ScreenshotUi*>(malloc(sizeof(ScreenshotUi)));
     app.setData(ui);
 }
 
-static void on_stop(App& app) {
+static void onStop(App& app) {
     auto* ui = static_cast<ScreenshotUi*>(app.getData());
     free(ui);
 }
@@ -22,9 +22,9 @@ extern const Manifest manifest = {
     .name = "_Screenshot", // So it gets put at the bottom of the desktop and becomes less visible on small screen devices
     .icon = LV_SYMBOL_IMAGE,
     .type = TypeSystem,
-    .onStart = &on_start,
-    .onStop = &on_stop,
-    .onShow = &on_show,
+    .onStart = onStart,
+    .onStop = onStop,
+    .onShow = onShow,
 };
 
 } // namespace