Java ME 中文帮助文档

J2MEAPI笔记SuiF第1页共37页Alert显示一个包含消息的对话框AlertTyperithmeticExceptionArrayIndexOutOfBoundsExceptionArrayStoreExceptionBooleanByteByteArrayInputStreamByteArrayOutputStreamCalendar日历；Canvas画布CertificateCertificateExceptionCharacterChoiceChoiceGroup单选框与复选框ClassClassCastExceptionClassNotFoundExceptionCommConnectionCommand命令；CommandListenerConnectionConnectionNotFoundExceptionConnectorContentConnectionControlControllableCustomItemDataInputDataInputStreamDataOutputDataOutputStreamDatagramDatagramConnectionDateDateField接收日期的输入DisplayDisplayableDoubleEOFExceptionEmptyStackExceptionEnumerationErrorJ2MEAPI笔记SuiF第2页共37页ExceptionFloatFontForm容器类：能显示从Item派生的类GameCanvasGauge显示图形化的进度条Graphics虚拟画笔HashtableHash表二维集合；HttpConnectionHttpsConnectionIOExceptionIllegalAccessExceptionIllegalArgumentExceptionIllegalMonitorStateExceptionIllegalStateExceptionIllegalThreadStateExceptionImage创建图片文件ImageItem显示存储在文件中的图像IndexOutOfBoundsExceptionInputConnectionInputStreamInputStreamReaderInstantiationExceptionIntegerInterruptedExceptionInterruptedIOExceptionInvalidRecordIDExceptionItemForm的派生类；ItemCommandListenerItemStateListenerLayer图层父类LayerManager图层管理List显示一个条目如菜单LongMIDletMIDletStateChangeExceptionManagerMathMediaExceptionNegativeArraySizeExceptionNoClassDefFoundErrorNoSuchElementExceptionNullPointerExceptionNumberFormatExceptionJ2MEAPI笔记SuiF第3页共37页ObjectOutOfMemoryErrorOutputConnectionOutputStreamOutputStreamWriterPlayerPlayerListenerPrintStreamPushRegistryRandomReaderRecordComparatorRecordEnumerationRecordFilterRecordListenerRecordStoreRecordStoreExceptionRecordStoreFullExceptionRecordStoreNotFoundExceptionRecordStoreNotOpenExceptionRunnableRuntimeRuntimeExceptionScreenSecureConnectionSecurityExceptionSecurityInfoServerSocketConnectionShortSocketConnectionSpacerSprite角色（精灵）图层；StackStreamConnectionStreamConnectionNotifierStringStringBufferStringIndexOutOfBoundsExceptionStringItem在屏幕上显示文字SystemTextBox在屏幕上显示多行文本TextField接收文本的输入ThreadThrowableJ2MEAPI笔记SuiF第4页共37页Ticker屏幕上横向滚动文本TiledLayer地图图层；TimeZone时区；TimerTimerTask定时器；ToneControlUDPDatagramConnectionUTFDataFormatExceptionUnsupportedEncodingExceptionVector一级集合；VirtualMachineErrorVolumeControlWriterClassCanvasjavax.microedition.lcduiFieldSummarystaticintDOWNstaticintFIREstaticintGAME_AstaticintGAME_BstaticintGAME_CstaticintGAME_DstaticintKEY_NUM0staticintKEY_NUM1staticintKEY_NUM2staticintKEY_NUM3staticintKEY_NUM4staticintKEY_NUM5staticintKEY_NUM6staticintKEY_NUM7staticintKEY_NUM8staticintKEY_NUM9staticintKEY_POUNDJ2MEAPI笔记SuiF第5页共37页keyCodeforITU-Tkeypound(#).staticintKEY_STARkeyCodeforITU-Tkeystar(*).staticintLEFTConstantfortheLEFTgameaction.staticintRIGHTConstantfortheRIGHTgameaction.staticintUPConstantfortheUPgameaction.ConstructorSummaryprotectedCanvas()MethodSummaryintgetGameAction(intkeyCode)返回按键编码值对应用的游戏操作；intgetKeyCode(intgameAction)返回游戏操作常量的案件编码值；StringgetKeyName(intkeyCode)返回按键编码值对应的按键的名称，这个名称不是游戏操作的名称，而是实际按键的名称；booleanhasPointerEvents()响应指针拖动事件；booleanhasPointerMotionEvents()判断设备是否探测指针设备的按下，拖动和释放行为；booleanhasRepeatEvents()判断设备是否支持重复按键；protectedvoidhideNotify()在应用程序管理器从屏幕删除画布后调用；booleanisDoubleBuffered()判断设备是否支持双缓冲器；protectedvoidkeyPressed(intkeyCode)当按下按键时调用，通常处理按键的案件编码；protectedvoidkeyReleased(intkeyCode)当释放按键时调用，通常处理按键的案件编码；protectedvoidkeyRepeated(intkeyCode)当持续按下按键时调用，通常处理案件的按键编码；（不是所有设备都支持）protectedabstractvoidpaint(Graphicsg)把Graphics类的实例作为参数，在画布上绘制一幅图像；protectedvoidpointerDragged(intx,inty)响应指针拖动事件；protectedvoidpointerPressed(intx,inty)响应指针按下事件；protectedvoidpointerReleased(intx,inty)响应指针释放事件；voidrepaint()重新绘制整个画布；voidrepaint(intx,inty,intwidth,intheight)重新绘制画布的指定区域；voidserviceRepaints()在其他优先需求之前必须处理的画笔需求；voidsetFullScreenMode(booleanmode)设置全屏模式；J2MEAPI笔记SuiF第6页共37页protectedvoidshowNotify()在应用程序管理显示画布之前调用；protectedvoidsizeChanged(intw,inth)ClassScreenjavax.microedition.lcduiMethodsinheritedfromclassjavax.microedition.lcdui.DisplayableaddCommand,getHeight,getTicker,getTitle,getWidth,isShown,removeCommand,setCommandListener,setTicker,setTitle,sizeChangedMethodsinheritedfromclassjava.lang.Objectequals,getClass,hashCode,notify,notifyAll,toString,wait,wait,waitClassDisplayablejavax.microedition.lcduiMethodSummaryvoidaddCommand(Commandcmd)将命令关联到Displayable类的实例；intgetHeight()TickergetTicker():获得屏幕标题；StringgetTitle()：获得屏幕的滚动牌；intgetWidth()booleanisShown()判断Displayable类实例是否在屏幕上显示；voidremoveCommand(Commandcmd)从Displayable类的实例撤销与命令的关联；voidsetCommandListener(CommandListenerl)关联CommandListener到Displayable类的实例；voidsetTicker(Tickerticker)：设定屏幕的滚动牌；voidsetTitle(Strings)：设定屏幕的标题；protectedvoidsizeChanged(intw,inth)Methodsinheritedfromclassjava.lang.Objectequals,getClass,hashCode,notify,notifyAll,toString,wait,wait,waitJ2MEAPI笔记SuiF第7页共37页ClassAlertjavax.microedition.lcduiFieldSummarystaticCommandDISMISS_COMMANDstaticintFOREVER模式对话框；ConstructorSummaryAlert(Stringtitle)创建Alert类的实例；Alert(Stringtitle,StringalertText,ImagealertImage,AlertTypealertType)使用Ima