Question

plz solve this question related to app inventor...

(Question).
(The app has a button to check whether you have input the correct answer. When you click or tab on it, this event would trigger a logic sequence to check whether the input in the textbox is correct or not. Which control block is used to monitor this event and trigger the logic sequence? The component is named 'checkButton' in this instance. Your answer must include the full syntax. e.g.: when Match Timer.Timer do)​

Answer 1

Answer:

(The app has a button to check whether you have input the correct answer. When you click or tab on it, this event would trigger a logic sequence to check whether the input in the textbox is correct or not. Which control block is used to monitor this event and trigger the logic sequence? The component is named 'checkButton' in this instance. Your answer must include the full syntax. e.g.: when Match Timer.Timer do)