How do you click a button to make it red in App Inventor?

ADVANCED Chatting App In MIT APP INVENTOR 2 • Part 4 - Recent and new chat #trackncreate!Подробнее

MQTT Android Application | MIT app inventorПодробнее

App Inventor - Drawing App by using canvasПодробнее

MultiSite Shopping Application | MIT APP InventorПодробнее

"Click me" button in MIT App InventorПодробнее

Create Magic App | MIT App Inventor | Make an Android App(Hindi) | App Development Tutorial #5Подробнее

Button Click | MIT App Inventor | Make an Android App(Hindi) | App Development Tutorial 2Подробнее

Button Longclick | BGMI | MIT App Inventor | Make an Android App(Hindi) | App Development Tutorial 3Подробнее

App inventor - textbox , label , button , spinnerПодробнее

change color of the button on MIT APP InventorПодробнее

App Inventor - Change Button Text When ClickedПодробнее

App Inventor: Coding a US President's Quiz, Next ButtonПодробнее

How do you program a previous button in App Inventor?Подробнее

Button Click | App InventorПодробнее

How to make a button in App Inventor 2Подробнее

How to Make Panic button Android App with GPS coordinates using App Inventor 2 without writing codesПодробнее

App Inventor Button ExampleПодробнее

App Inventor: How to Add Sound EffectsПодробнее