The Android platform provides a framework API that applications can use to interact with the underlying Android system. The framework API consists of: A core set of packages and classes. A set of permissions that applications can request, as well as permission enforcements included in the system

IntelliLang is a combination of three basic kinds of functionality that are meant to support the developer in dealing with certain tasks that relate to (custom) languages in IntelliJ IDEA: "Language Injection": Editing code that is embedded into String literals and XML fragments where it would be great to get the same kind of IDE support like if the code was being edited "natively" "Pattern Validation": Provides assistance in making sure that Strings being passed to and from methods match a particular regular expression "Regular Expression Support": A custom language implementation for regular expressions.

Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference. Kotlin is designed to interoperate fully with Java, and the JVM version of Kotlin's standard library depends on the Java Class Library, but type inference allows its syntax to be more concise.Android mobile development has been Kotlin-first since Google I/O in 2019.

An Android SDK that provides a new size unit - sdp (scalable dp). This size unit scales with the screen size. An android lib that provides a new size unit - sdp (scalable dp). This size unit scales with the screen size. It can help Android developers with supporting multiple screens.