Android 4.4 kitkat API 19

Generally, companies target a minimum version of KitKat, or SDK 19 , for new endeavors. For personal projects, we usually choose Lollipop, or SDK 21, as it brings a number of improvements to the table, such as improved build times.18 Eki 2015

After September 27, the oldest version of Android you’ll be able to sign in to is Android 3.0 Honeycomb , which is only for tablets.

For instance, Android 1.0 is API level 1 and Android 4.4 is API level 19. The API level allows you to declare the minimum version with which your app is compatible, using the <uses-sdk> manifest tag and its minSdkVersion attribute .