Developers can also have full access to core applications.ProgramThe API framework used. The architecture design of this application simplifies Component reuse; any
A single application can publish its functional blocks, and any other application can use its released functional blocks (however, follow the box below)
Rack security restrictions ). Similarly, this application reuse mechanism allows you to easily replace program components.
A series of services and systems are hidden behind each application, including;
• Rich and scalable views can be used to build applications, including lists, grids, and
This box (text boxes), buttons (buttons), and even embedded web browsers.
• Content providers allow applications to access data (such as the contact database) of another application, or
Users share their own data
• Resource Manager providesCodeResource access, such as local strings, images, and layout files (Layout
Files ).
• Notification Manager allows applications to display custom prompts in the status bar.
• Activity manager is used to manage application lifecycles and provides common navigation rollback functions.