what is difference between “wrap content” and “match constraint” in android studio

fill_parent (deprecated and renamed MATCH_PARENT in API Level 8 and higher) Setting the layout of a widget to fill_parent will force it to expand to take up as much space as is available within the layout element it’s been placed in. It’s roughly equivalent of setting the dockstyle of a Windows Form Control to Fill. …

A Simple Calculator Application On Android Studio

1. Open Android Studio and create a new project. 2. Set the basic information and choose API. 3. Finish basic setting and choose activity platform (Basic Activity Here). 4. See the main page. 5. Remove some irrelevant code from activity_main.xml. Click the text button on the bottom of activity_main.xml. Delete FloatingActionButton which will show e-mail …