Operating margin or operating profit margin measures what proportion of a company's revenue is left over, after deducting direct costs and overhead and before taxes and other indirect costs such as interest. Operating margin formula is:
Snapping an app resizes the app to 320 pixels wide, which allows it to share the screen with another app. Snapping enables two apps to be visible at the same time, so the user can truly multitask. Be aware that snapping is not available for devices with under 1366 pixel horizontal resolution.
Flutter is for mobile app developers wanting a faster or easier way to build beautiful mobile apps. Flutter is also for designers looking for a high-fidelity, fast prototyping tool. Prototypes built with Flutter can be handed to developers and shipped to users as real apps.