The commonly used java package in android SDk is introduced
- 2020-05-30 21:02:47
- OfStack
The following is an overview of the main java packages in API in android SDK:
android.app : provides the high-level program model, provides the basic running environment
android.content : contains various classes that access and publish data on the device
android.database : browses and operates the database through the content provider
android.graphics : the underlying graphics library, including the canvas, color filter, dot, and rectangle, can be drawn directly to the screen .
android.location : classes that locate and relate services
android.media : provide 1 These classes manage a variety of audio and video media interfaces
android.net : provides help with network access to more than usual classes java.net.* interface
android.os : provides system services, message transmission, IPC mechanism
android.opengl : provide OpenGL The tools
android.provider : provides class access Android Content provider of
android.telephony : provide information related to making phone calls API interaction
android.view : provides the basic user interface framework
android.util : involves instrumental methods, such as time and date manipulation
android.webkit : default browser interface
android.widget : contains a variety of UI Elements (most of which are visible) are used on the application's screen