GUI Programming in Java课件.pptGUIProgramming ******@York精品文档GUIProgrammingConceptsconventionalprogramming:sequenceofoperationsisdetermined bytheprogramwhatyouwanttohappen,happenswhenyouwantitevent-drivenprogramming:sequenceofoperationsisdetermined bytheuser’sinteractionwiththeapplication’sinterfaceanythingthatcanhappen,happensatanytime精品文档GUIDesignConceptsawealthofinformationcreatesapovertyofattention -HerbertSimonPrinciplesofgoodGUIDesignIBM'sDesignconceptsSaulGreenberg'sHCIpagesTim'sHCInotes精品文档GUIProgrammingConceptsinJavaJavaGUI("Swing")ponentsWindowsGUIhascontrolsUnixGUIhaswidgetsexamples:labels,buttons,checkboxes,radiobuttons,textinputboxes,ponents:JLabel,JButton,JCheckBox,JRadioButton,JTextField,JTextArea,JComboBox精品文档JavaGUIhistory:theAWTAWT(,): AbstractWindowToolkitpackage:,(Java2,+)ponentsthatdonotrelyonthenativeGUIorOS“lookandfeel”ponentsareidenticalondifferentplatformscanbecustomizedSwinginheritsfromAWTAWTstillusedforevents,-and-droppackagenames:,-levelcontainer:JFrame,JDialog,-=trueMySwingClasstheoptionsetsthesystemproperty""to"true"toenableanti- ponentstooneormorecontainersusingalayoutmanagerregistereventlistener(s)ponentscreateeventlistenermethod(s)精品文档BasicGUIProgrammingConcepts inJavaExample:,,:ascreenwindow/appletwindow/ponent:anobjectwithvisualrepresentationSwingcontainers:JFrame,JApplet,JPanelAWTcontainers:Frame,Applet,Panel精品文档
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