In current situation there are so many devices available in market with different sizes and different pixels so sometimes you will face issue is design UI of application for mobile devices like, some devices get appropriate output or in some devices it will not get output as per your mockup and expectations. To overcome this issue in flutter mobile applications, Flutter allows you to create responsive application which is self-adapt to device's screen size and orientation. Problem Today we are
Flexbox is a layout model that allows their children elements to align horizontal and vertical with distributing space within a container. We can use flexbox when we need to resize their children’s size or growing to fill unused space or shrinking to avoid overflowing the flex container.