MediaPlayer 순환표

Class Overview

MediaPlayer class can be used to control playback of audio/video files and streams. An example on how to use the methods in this class can be found in VideoView. Please see Audio and Video for additional help using MediaPlayer.

Topics covered here are:

1. State Diagram
2. Valid and Invalid States
3. Permissions

State Diagram

Playback control of audio/video files and streams is managed as a state machine. The following diagram shows the life cycle and the states of a MediaPlayer object driven by the supported playback control operations. The ovals represent the states a MediaPlayer object may reside in. The arcs represent the playback control operations that drive the object state transition. There are two types of arcs. The arcs with a single arrow head represent synchronous method calls, while those with a double arrow head represent asynchronous method calls.

From this state diagram, one can see that a MediaPlayer object has the following states