2021-06-07 13:56:08 +02:00
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def event_handler(evt):
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code = evt.get_code()
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2021-02-08 09:53:03 +01:00
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2021-06-07 13:56:08 +02:00
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if code == lv.EVENT.CLICKED:
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print("Clicked event seen")
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elif code == lv.EVENT.VALUE_CHANGED:
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print("Value changed seen")
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# create a simple button
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2021-02-08 09:53:03 +01:00
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btn1 = lv.btn(lv.scr_act())
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2021-06-07 13:56:08 +02:00
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# attach the callback
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btn1.add_event_cb(event_handler,lv.EVENT.ALL, None)
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btn1.align(lv.ALIGN.CENTER,0,-40)
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label=lv.label(btn1)
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2021-02-08 09:53:03 +01:00
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label.set_text("Button")
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2021-06-07 13:56:08 +02:00
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# create a toggle button
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2021-02-08 09:53:03 +01:00
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btn2 = lv.btn(lv.scr_act())
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2021-06-07 13:56:08 +02:00
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# attach the callback
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#btn2.add_event_cb(event_handler,lv.EVENT.VALUE_CHANGED,None)
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btn2.add_event_cb(event_handler,lv.EVENT.ALL, None)
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btn2.align(lv.ALIGN.CENTER,0,40)
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btn2.add_flag(lv.obj.FLAG.CHECKABLE)
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btn2.set_height(lv.SIZE.CONTENT)
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label=lv.label(btn2)
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label.set_text("Toggle")
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label.center()
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