Android sdk Basic Package

Android sdk Basic Package

These are basic packages. They are the foundation for compiling applications through the Android SDK. Here we will list and describe them from the bottom to the top.

* Android. util contains some underlying auxiliary classes, such as specific container classes and XML auxiliary tool classes.

* Android. OS provides basic operation services for message passing and inter-process communication (IPC.

* Android. graphics is used as the graphic rendering package and provides the graphic rendering function.

* Android. text android. text. method android. text. style android. text. util provides a rich set of text processing tasks, including Rich text and input modes.

* Android. database contains underlying APIs to process databases, allowing you to conveniently operate database tables and data.

* Android. content provides various services to access data on mobile devices. The program is installed on mobile devices and other related resources. The content also displays dynamic data.

* Android. view core user interface framework.

* Android. widgets provide standard user interface elements, such as List, Buttons, and Layout manager, which constitute the basic elements of our interface.

* Android. app provides a high-level application model to implement Activity.

* Android. provider provides a convenient way to call the content providers interface provided by the system.

* Android. telephony provides APIs and call interfaces for mobile devices.

* Android. webikit contains a series of Web-based APIs.

These are basic packages. They are the foundation for compiling applications through the Android SDK. Here we will list and describe them from the bottom to the top.

* Android. util contains some underlying auxiliary classes, such as specific container classes and XML auxiliary tool classes.

* Android. OS provides basic operation services for message passing and inter-process communication (IPC.

* Android. graphics is used as the graphic rendering package and provides the graphic rendering function.

* Android. text android. text. method android. text. style android. text. util provides a rich set of text processing tasks, including Rich text and input modes.

* Android. database contains underlying APIs to process databases, allowing you to conveniently operate database tables and data.

* Android. content provides various services to access data on mobile devices. The program is installed on mobile devices and other related resources. The content also displays dynamic data.

* Android. view core user interface framework.

* Android. widgets provide standard user interface elements, such as List, Buttons, and Layout manager, which constitute the basic elements of our interface.

* Android. app provides a high-level application model to implement Activity.

* Android. provider provides a convenient way to call the content providers interface provided by the system.

* Android. telephony provides APIs and call interfaces for mobile devices.

* Android. webikit contains a series of Web-based APIs.