Java ME包含以下APIS
• MIDP 2.0 AP(JSR 118)
• Wireless Messaging API (JSR-120)
• Wireless Messaging API 2.0 (JSR-205)
• Mobile Media API (JSR-135)
• Advanced Multimedia Supplements (JSR-234
• Bluetooth API (JSR-82)
• Mobile 3D Graphics API (JSR-184)
• Scalable 2D Vector Graphics API (JSR-226)
• Location API (JSR-179)
• FileConnection API (JSR-75, Optional package)
• PIM API (JSR-75, Optional package)
• SIP API (JSR180)
• Security and Trust Services API (JSR-177)
• Web Services API Parser Package (JSR-172)
• Web Services API RPC Package (JSR-172)
• Mobile Internalization API (JSR-238)
一.MIDP 2.0 API(JSR 118)
1.用戶界面包
javax.microedition.lcdui
//The UI API provides a set of features for implementation of user interfaces for MIDP applications.
UI API爲MIDP應用程序實現用戶界面提供了一組特性。
javax.microedition.lcdui.game
//The Game API package provides a series of classes that enable the development of rich gaming content for wireless devices.
Game API包提供了一系列類使得爲無線設備開發豐富的遊戲功能成爲可能
2.持久存儲包
javax.microedition.rms
//The Mobile Information Device Profile provides a mechanism for MIDlets to persistently store data and later retrieve it.
移動信息設備簡表爲MIDlets實現持久數據存儲並在以後恢復它提供了一種機制
//Application Lifecycle Package
3.應用程序生命週期包
javax.microedition.midlet
//The MIDlet package defines Mobile Information Device Profile applications and the interactions between the application and the environment in which the application runs.
MIDlet包定義了MIDP應用程序和應用程序以及應用程序所運行的環境間的交互
//Networking Package
4.網絡設計包
javax.microedition.io
//This package contains Classes for the Generic Connection framework.
包含了通用鏈接框架的類
//Audio Package
5.音頻包
javax.microedition.media
//The MIDP 2.0 Media API contains classes for creating player
MIDP 2.0的Media API包含了創建播放器的類
javax.microedition.media.control
//This package defines the specific Control types that can be used with a Player.
這個包定義了播放器可以使用的特定的控制類型
//Public Key Package
6.公共密匙包
javax.microedition.pki
//Certificates are used to authenticate information for secure Connections.
安全連接驗證信息所使用的認證
//Core Packages
7.核心包
java.io
//Provides classes for input and output through data streams.
提供通過流輸入輸出的類
java.lang
//Provides classes that are fundamental to the Java programming language.
提供Java編程語言的基礎類
java.util
//Contains the collection classes, and the date and time facilities.
包含集合類，以及日期和時間工具
二.Wireless Messaging API (JSR 120)
1.消息接口
//Messaging Interfaces
javax.wireless.messaging
定義了允許應用程序發送和接收無線消息的API
//This package defines an API which allows applications to send and receive wireless messages.
2.網絡設計包
//Networking Package
javax.microedition.io
包含用於平臺的支持消息連接的已經修改過的平臺網絡設計接口
//This package includes the platform networking interfaces which have been modified for use on platforms that support message connections.
三.Mobile Media API (JSR-135)
1.媒體包
javax.microedition.media
//Interface Summary
接口概述
//Control : A Control object is used to control some media processing functions.
Control： 用來控制一些媒體處理功能的控制對象
//Controllable : Controllable provides an interface for obtaining the Controls from an object like a Player.
Controllable：提供從一個對象(如播放器)獲得控制的接口
//Player : Player controls the rendering of time based media data.
Player：控制基於媒體數據的渲染時間
//PlayerListener : PlayerListener is the interface for receiving asynchronous events generated by Players.
PlayerListener：接受由播放器產生的異步事件的接口
//TimeBase : A TimeBase is a constantly ticking source of time.
TimeBase：
//Class Summary
類概述
//Manager :Manager is the access point for obtaining system dependent resources such as Players for multimedia processing.
Manager：獲得進行多媒體處理的系統依賴的資源，例如播放器，的訪問點
javax.microedition.media.control
//This package defines the specific Control types that can be used with a Player.
定義了能夠被播放器使用的特定的控制類型
Interface Summary
//接口概述
FramePositioningControl
//The FramePositioningControl is the interface to control precise positioning to a video frame for Players.
控制播放器的視頻幀精確位置的接口
GUIControl
//GUIControl extends Control and is defined for controls that provide GUI functionalities.
擴展了Control，被定義爲提供GUI功能的的控制
MetaDataControl
//MetaDataControl is used to retrieve metadata information included within the media streams.
用來恢復包含在媒體流中的元數據信息
MIDIControl
//MIDIControl provides access to MIDI rendering and transmitting devices.
提供MIDI渲染和傳送設備的訪問
PitchControl
//PitchControl raises or lowers the playback pitch of audio without changing the playback speed.
提升或降低音頻的播放音高，但不包括改變播放速度
RateControl
//RateControl controls the playback rate of a Player.
控制Player的播放速率
RecordControl
//RecordControl controls the recording of media from a Player.
控制Player的媒體錄音
StopTimeControl
//StopTimeControl allows one to specify a preset stop time for a Player.
允許爲Player指定一個預製的停止時間
TempoControl
//TempoControl controls the tempo, in musical terms, of a song.
控制樂曲的節拍
ToneControl
//ToneControl is the interface to enable playback of a user-defined monotonic tone sequence.
使能夠播放用戶定義的單音序列的接口
VideoControl
//VideoControl controls the display of video.
控制視頻的播放
VolumeControl
//VolumeControl is an interface for manipulating the audio volume of a Player.
控制Player音量調節的接口
javax.microedition.media.protocol
//This package defines the custom protocol handling interfaces.
定義了自定義協議處理接口
Interface Summary
//接口概述
SourceStream
//Abstracts a single stream of media data.
提取媒體數據的單一流
Class Summary
//類概述
ContentDescriptor
A ContentDescriptor identifies media data containers.
//確定媒體數據容器
DataSource
//A DataSource is an abstraction for media protocol-handlers.
媒體協議處理的抽象
四.Advanced Multimedia Supplements API (JSR-234).
The JSR 234 has the following packages
Packages
javax.microedition.amms
This package introduces four new concepts: GlobalManager, Spectator, Module and MediaProcessor.
javax.microedition.amms.control
This package contains Controls for setting formats, for defining the effect processing network structure and for setting the audio panning.
javax.microedition.amms.control.audio3d
This package contains Controls for various 3D audio settings.
javax.microedition.amms.control.audioeffect
This package contains EffectControls for audio and related assisting Controls.
javax.microedition.amms.control.camera
This package contains Controls for various camera settings.
javax.microedition.amms.control.imageeffect
This package contains EffectControls for video and for still images.
javax.microedition.amms.control.tuner
This package contains Controls for various tuner settings.
五.Bluetooth API (JSR 82)
''''javax.bluetooth : This package defines classes for Bluetooth communication
javax.obex : -Defines Object exchange package
六.Mobile 3D Graphics API
This specification defines the Mobile 3D Graphics API (M3G) for J2ME.
Packages
javax.microedition.m3g
Defines an API for rendering three-dimensional (3D) graphics at interactive frame rates, including a scene graph structure and a corresponding file format for efficient management and deployment of 3D content.
Class Summary
AnimationController
Controls the position, speed and weight of an animation sequence.
AnimationTrack
Associates a KeyframeSequence with an AnimationController and an animatable property.
Appearance
A set of component objects that define the rendering attributes of a Mesh or Sprite3D.
Background
Defines whether and how to clear the viewport.
Camera
A scene graph node that defines the position of the viewer in the scene and the projection from 3D to 2D.
CompositingMode
An Appearance component encapsulating per-pixel compositing attributes.
Fog
An Appearance component encapsulating attributes for fogging.
Graphics3D
A singleton 3D graphics context that can be bound to a rendering target.
Group
A scene graph node that stores an unordered set of nodes as its children.
Image2D
A two-dimensional image that can be used as a texture, background or sprite image.
IndexBuffer
An abstract class defining how to connect vertices to form a geometric object.
KeyframeSequence
Encapsulates animation data as a sequence of time-stamped, vector-valued keyframes.
Light
A scene graph node that represents different kinds of light sources.
Loader
Downloads and deserializes scene graph nodes and node components, as well as entire scene graphs.
Material
An Appearance component encapsulating material attributes for lighting computations.
Mesh
A scene graph node that represents a 3D object defined as a polygonal surface.
MorphingMesh
A scene graph node that represents a vertex morphing polygon mesh.
Node
An abstract base class for all scene graph nodes.
Object3D
An abstract base class for all objects that can be part of a 3D world.
PolygonMode
An Appearance component encapsulating polygon-level attributes.
RayIntersection
A RayIntersection object is filled in by the pick methods in Group.
SkinnedMesh
A scene graph node that represents a skeletally animated polygon mesh.
Sprite3D
A scene graph node that represents a 2-dimensional image with a 3D position.
Texture2D
An Appearance component encapsulating a two-dimensional texture image and a set of attributes specifying how the image is to be applied on submeshes.
Transform
A generic 4x4 floating point matrix, representing a transformation.
Transformable
An abstract base class for Node and Texture2D, defining common methods for manipulating node and texture transformations.
TriangleStripArray
TriangleStripArray defines an array of triangle strips.
VertexArray
An array of integer vectors representing vertex positions, normals, colors, or texture coordinates.
VertexBuffer
VertexBuffer holds references to VertexArrays that contain the positions, colors, normals, and texture coordinates for a set of vertices.
World
A special Group node that is a top-level container for scene graphs.
七.Scalable 2D Vector Graphics API for J2ME (JSR-226)
Packages
javax.microedition.m2g
This package contains the core rendering part of this proposal.
org.w3c.dom
This package is subsetted DOM Level 3 Core APIs.
org.w3c.dom.events
This package contains the necessary event handling interfaces that are a subset of DOM Events Level 2 APIs.
org.w3c.dom.svg
The SVG Tiny 1.1 DOM API defined in this specification is subset of W3C SVG Tiny 1.2 uDOM.
八.JSR179 Location API for J2ME
Packages
javax.microedition.location
The javax.microedition.location package contains the basic classes needed to request and get a location result.
Interface Summary
LocationListener
The LocationListener represents a listener that receives events associated with a particular LocationProvider.
ProximityListener
This interface represents a listener to events associated with detecting proximity to some registered coordinates.
Class Summary
AddressInfo
The AddressInfo class holds textual address information about a location.
Coordinates
The Coordinates class represents coordinates as latitude-longitude-altitude values.
Criteria
The criteria used for the selection of the location provider is defined by the values in this class.
Landmark
The Landmark class represents a landmark, i.e. a known location with a name.
LandmarkStore
The LandmarkStore class provides methods to store, delete and retrieve landmarks from a persistent landmark store.
Location
The Location class represents the standard set of basic location information.
LocationProvider
This is the starting point for applications using this API and represents a source of the location information.
Orientation
The Orientation class represents the physical orientation of the terminal.
QualifiedCoordinates
The QualifiedCoordinates class represents coordinates as latitude-longitude-altitude values that are associated with an accuracy value.
Exception Summary
LandmarkException
The LandmarkException is thrown when an error related to handling landmarks has occurred.
LocationException
The LocationException is thrown when a location API specific error has occurred.
九.FileConnection Optional Package (JSR 75)
Packages
javax.microedition.io.file
This package describes file system access support based on the Generic Connection Framework.
javax.microedition.io.file
This package describes file system access support based on the Generic Connection Framework.
Interface Summary
FileConnection
This interface is intended to access files or directories that are located on removeable media and/or file systems on a device.
FileSystemListener
This class is used for receiving status notification when adding or removing a file system root.
Class Summary
FileSystemRegistry
The FileSystemRegistry is a central registry for file system listeners interested in the adding and removing (or mounting and unmounting) of file systems on a device.
十.PIM Optional Package (JSR 75)
Packages
javax.microedition.pim
The PIM package defines APIs to access Personal Information Management (PIM) data.
Interface Summary
Contact
Represents a single Contact entry in a PIM Contact database.
ContactList
Represents a Contact list containing Contact items.
Event
Represents a single Event entry in a PIM Event database.
EventList
Represents an Event list containing Event items.
PIMItem
Represents the common interfaces of an item for a PIM list.
PIMList
Represents the common functionality of a PIM list.
ToDo
Represents a single To Do item in a PIM To Do database.
ToDoList
Represents a ToDo list containing ToDo items.
Class Summary
PIM
Class for accessing PIM lists on a device and performing PIM wide functions.
RepeatRule
Represents a description for a repeating pattern for an Event item.
Exception Summary
FieldEmptyException
Represents an exception thrown when an attempt is made to access a field that does not have any data values associated with it.
FieldFullException
Represents an exception thrown when an attempt is made to add data to a field but the field already has all available slots for data values assigned.
PIMException
Represents exceptions thrown by the PIM classes.
UnsupportedFieldException
Represents an exception thrown when a field is referenced that is not supported in the particular PIM list that an element belongs to.
十一.SIP API for J2ME Version 1.0(JSR 180)
Packages
javax.microedition.sip
This specification defines the JSR180, SIP API for J2ME.
Interface Summary
SipClientConnection
SipClientConnection represents SIP client transaction.
SipClientConnectionListener
Listener interface for incoming SIP responses.
SipConnection
SipConnection is the base interface for SIP connections.
SipConnectionNotifier
This interface defines a SIP server connection notifier.
SipDialog
SipDialog represents one SIP Dialog.
SipRefreshListener
Listener interface for RefreshHelper events.
SipServerConnection
SipServerConnection represents SIP server transaction.
SipServerConnectionListener
Listener interface for incoming SIP requests.
Class Summary
SipAddress
SipAddress provides a generic SIP address parser.
SipHeader
SipHeader provides generic SIP header parser helper.
SipRefreshHelper
This class implements the functionality that facilitates the handling of refreshing requests on behalf of the application.
Exception Summary
SipException
This is an exception class for SIP specific errors.
十二.Security and Trust Services API (SATSA，JSR 177)
The Security and Trust Services API for J2ME defines four optional packages to support smart card communication, generation of digital signatures, and low-level cryptography operations.
Exception classes from java.lang required by the SATSA-APDU, SATSA-JCRMI, and SATSA-CRYPTO optional
java.lang
Provides classes that are fundamental to the Java programming language.
Optional Package: SATSA-APDU Communication
javax.microedition.apdu
This package defines the APDU protocol handler for ISO7816-4 communication to a smart card device.
Optional Package: SATSA-JCRMI Communication
java.rmi
A subset of the java.rmi package in the Java 2 Standard Edition.
javacard.framework
Provides Java Card API exceptions that may be thrown by a remote method.
javacard.framework.service
Provides a Java Card API exception that may be thrown by a remote method.
javacard.security
Provides a Java Card API exception that may be thrown by a remote method.
javax.microedition.jcrmi
Provides classes and interfaces for Java Card RMI connection.
Optional Package: SATSA-PKI Signature Service
javax.microedition.pki
This package defines classes to support basic user certificate management.
javax.microedition.securityservice
This package defines classes to generate application-level digital signatures that conform to the Cryptographic Message Syntax (CMS) format.
Optional Package: SATSA-CRYPTO Cryptographic Interfaces
java.security
Provides the classes and interfaces for the security framework.
java.security.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.crypto.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
十二.JavaME Web Services(JSR 172)
J2ME XML Parser Package
javax.xml.parsers
org.xml.sax
org.xml.sax.helpers
Package javax.xml.parsers
Class Summary
SAXParser
Defines the API that represents a simple SAX parser.
SAXParserFactory
Defines a factory API that enables applications to configure and obtain a SAX based parser to parse XML documents.
Exception Summary
ParserConfigurationException
Indicates a serious configuration error.
Error Summary
FactoryConfigurationError
Thrown when a problem with configuration with the Parser Factories exists.
org.xml.sax
Interface Summary
Attributes
Interface for a list of XML attributes.
Locator
Interface for associating a SAX event with a document location.
Class Summary
InputSource
A single input source for an XML entity.
Exception Summary
SAXException
Encapsulate a general SAX error or warning.
SAXNotRecognizedException
Exception class for an unrecognized identifier.
SAXNotSupportedException
Exception class for an unsupported operation.
SAXParseException
Encapsulate an XML parse error or warning.
十三.Mobile Internationalization API(JSR-238).
Packages
javax.microedition.global
Contains classes that implement the JSR-238, "Mobile Internationalization API".
Package javax.microedition.global
Contains classes that implement the JSR-238, "Mobile Internationalization API".
Class Summary
Formatter
Creates locale-specific renditions of data items.
ResourceManager
Resource manager for applications.
StringComparator
Compares two strings using locale-specific rules.
Exception Summary
ResourceException
Thrown when a resource manager operation fails.
UnsupportedLocaleException
Thrown when an operation is attempted that is not supported for the specified locale.