[FL-2627] Flipper applications: SDK, build and debug system (#1387)

applications/services/gui/modules/empty_screen.c

@@ -0,0 +1,37 @@
+#include "empty_screen.h"
+#include <furi.h>
+
+struct EmptyScreen {
+    View* view;
+};
+
+static void empty_screen_view_draw_callback(Canvas* canvas, void* _model) {
+    UNUSED(_model);
+    canvas_clear(canvas);
+}
+
+static bool empty_screen_view_input_callback(InputEvent* event, void* context) {
+    UNUSED(event);
+    UNUSED(context);
+    return false;
+}
+
+EmptyScreen* empty_screen_alloc() {
+    EmptyScreen* empty_screen = malloc(sizeof(EmptyScreen));
+    empty_screen->view = view_alloc();
+    view_set_context(empty_screen->view, empty_screen);
+    view_set_draw_callback(empty_screen->view, empty_screen_view_draw_callback);
+    view_set_input_callback(empty_screen->view, empty_screen_view_input_callback);
+    return empty_screen;
+}
+
+void empty_screen_free(EmptyScreen* empty_screen) {
+    furi_assert(empty_screen);
+    view_free(empty_screen->view);
+    free(empty_screen);
+}
+
+View* empty_screen_get_view(EmptyScreen* empty_screen) {
+    furi_assert(empty_screen);
+    return empty_screen->view;
+}