init Files

libraries/lvgl/examples/widgets/dropdown/lv_example_dropdown_1.c

@@ -0,0 +1,35 @@
+#include "../../lv_examples.h"
+#if LV_USE_DROPDOWN && LV_BUILD_EXAMPLES
+
+static void event_handler(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    lv_obj_t * obj = lv_event_get_target(e);
+    if(code == LV_EVENT_VALUE_CHANGED) {
+        char buf[32];
+        lv_dropdown_get_selected_str(obj, buf, sizeof(buf));
+        LV_LOG_USER("Option: %s", buf);
+    }
+}
+
+void lv_example_dropdown_1(void)
+{
+
+    /*Create a normal drop down list*/
+    lv_obj_t * dd = lv_dropdown_create(lv_screen_active());
+    lv_dropdown_set_options(dd, "Apple\n"
+                            "Banana\n"
+                            "Orange\n"
+                            "Cherry\n"
+                            "Grape\n"
+                            "Raspberry\n"
+                            "Melon\n"
+                            "Orange\n"
+                            "Lemon\n"
+                            "Nuts");
+
+    lv_obj_align(dd, LV_ALIGN_TOP_MID, 0, 20);
+    lv_obj_add_event_cb(dd, event_handler, LV_EVENT_ALL, NULL);
+}
+
+#endif