first commit

libraries/lvgl/examples/widgets/btn/lv_example_btn_1.py

@@ -0,0 +1,32 @@
+def event_handler(evt):
+    code = evt.get_code()
+
+    if code == lv.EVENT.CLICKED:
+            print("Clicked event seen")
+    elif code == lv.EVENT.VALUE_CHANGED:
+        print("Value changed seen")
+
+# create a simple button
+btn1 = lv.btn(lv.scr_act())
+
+# attach the callback
+btn1.add_event_cb(event_handler,lv.EVENT.ALL, None)
+
+btn1.align(lv.ALIGN.CENTER,0,-40)
+label=lv.label(btn1)
+label.set_text("Button")
+
+# create a toggle button
+btn2 = lv.btn(lv.scr_act())
+
+# attach the callback
+#btn2.add_event_cb(event_handler,lv.EVENT.VALUE_CHANGED,None)
+btn2.add_event_cb(event_handler,lv.EVENT.ALL, None)
+
+btn2.align(lv.ALIGN.CENTER,0,40)
+btn2.add_flag(lv.obj.FLAG.CHECKABLE)
+btn2.set_height(lv.SIZE.CONTENT)
+
+label=lv.label(btn2)
+label.set_text("Toggle")
+label.center()