java api (gui)
DESCRIPTION
JAVA API (GUI). Subject:T0934 / Multimedia Programming Foundation Session:1 Tahun:2009 Versi:1/0. Learning Outcomes. In the end of this session, students must be able to: recognize Java technology understand the concept of Graphics User Interfaces (GUI) - PowerPoint PPT PresentationTRANSCRIPT
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JAVA API (GUI)
Subject : T0934 / Multimedia Programming FoundationSession : 1Tahun : 2009Versi : 1/0
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Learning Outcomes
In the end of this session, students must be able to: – recognize Java technology– understand the concept of
Graphics User Interfaces (GUI)– recognize the components and
user actions of GUI– recognize Look And Feel (LAF)
in Java
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Course Outlines
• Java Technology• Graphics User Interface (GUI)• User Interface Components• User Actions (Interactions)• Java GUI• User Interface Manager (Look And
Feel)
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Java Technology
• Both a programming language and a platform
• Java programming language is a high-level language that can be characterized by all of the following buzzwords:– Simple– Object Oriented– Distributed– Interpreted– Robust– Secure– Architecture Neutral– Portable– High performance– Multithreaded– Dynamic
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Java Technology
• Software development process:
• JVM(multiple platforms)
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Java Technology
• Platform is the hardware or software environment in which a program runs.
• The Java platform has two components:– The Java Virtual Machine– The Java Application Programming Interface (API)
• API: Core functionality of the Java.– Classes: basic objects,
networking and security,XML generation and database access, and more
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Graphics User Interface (GUI)
• Pronounced /’ɡu:i/ “goo-ey”• Human-computer interface (way for
humans to interact with computers)• Uses windows, icons and menus• Can be manipulated by a mouse• Often to a limited extent by a
keyboard• Three Concepts:
– Graphics (text, image, geometric figures)– User Interface Components– User Actions (Interactions)
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User Interface Components
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Frame(Top-level Window)
Title Bar
Menu Bar Menu Items
Button
Combo Box
Text Field
Image Icon
Check Box
Radio Button
Tab Pane
Mnemonics
Vertical Scroll Bar
Horizontal Scroll Bar
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User Actions (Interactions)
• Key• Mouse• Button• Menu
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Actions:• Press Key• Click Mouse• Click Button• Select Menu
Events:• Key Event• Mouse Event• Action Event• Action Event
PROGRAMcauses notifyListe
n Handle
User
respond
action
User
click
show click
show
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Sample Code
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Sample Code
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Sample Code
• File saved as “ComponentsSample.java”
• setBounds(int x, int y, int width, int height)
• See JDK Documentation as tutorialBina Nusantara
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Sample Code
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JFramesetSize(300,200);
JPanel
setTitle("Components Sample");
JLabellabel.setBounds(10,10,120,20);
JCheckBoxcheckBox.setBounds(5,40,150,20);
JTextFieldtextField.setBounds(130,10,150,20);
JComboBoxcomboBox.setBounds(160,40,120,20);
JButtonbutton.setBounds(210,80,70,20);
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Java GUI
• Java GUI classes:– Container Classes
• JFrame, JPanel, JApplet
– Component Classes• JButton, JTextField, JTextArea,
JComboBox, etc
– Helper Classes• Graphics, Color, Font, Dimension,
etc
• Java GUI Components:– Abstract Windows Toolkit (AWT)
heavyweight components• Button, TextField, TextArea,
ComboBox, etc
– Swing lightweight components• JButton, JTextField, JTextArea,
JComboBox, etcBina Nusantara
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Java GUI
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Java GUI
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Java GUI
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Java GUI
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Java GUI
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Java GUI
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• Java also has a very good system for Look and Feels (LAFs) See Additional Material 1
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Java
• Java can be downloaded at: http://java.sun.com/javase/downloads/index.jsp
• Java Documentation (help) can be downloaded at: http://java.sun.com/javase/6/docs/api/index.html or http://java.sun.com/javase/downloads/index.jsp
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References
• About the Java Technology. Sun Microsystems. 2008. http://java.sun.com/docs/books/tutorial/getStarted/intro/definition.html
• Characteristics of Java. Liang. 2009. http://www.cs.armstrong.edu/liang/intro6e/JavaCharacteristics.pdf
• The Java Language Environment. Sun Microsystems. 2009. http://java.sun.com/docs/white/langenv/Intro.doc2.html#334
• What Can Java Technology Do?. Sun Microsystems. 2009. http://java.sun.com/docs/books/tutorial/getStarted/intro/cando.html
• Java Technology Concept Map. Sun Microsystems. 2009. http://java.sun.com/new2java/javamap/Java_Technology_Concept_Map.pdf
• Java Technology. University of Wollongong. 2004.• GUI Definition. Linfo. 2004. http://www.linfo.org/gui.html• Graphics Programming. University of Wollongong. 2004.• Graphical User Interface. Wikipedia. 2009.
http://en.wikipedia.org/wiki/Graphical_user_interface• Elements of graphical user interfaces. Wikipedia. 2009.
http://en.wikipedia.org/wiki/Elements_of_graphical_user_interfaces
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References
• java.awt.Component Hierarchy Class Diagram. Falkhausen. 2009. http://www.falkhausen.de/en/diagram/html/java.awt.Components.html
• javax.swing.* Class Diagrams. Falkhausen. 2009. http://www.falkhausen.de/en/diagram/spec/javax.swing.html
• Java Swing Classes. Holub. 1999. http://www.holub.com/goodies/images/swing_component_hierarchy.gif
• Introduction to Java Programming. 7ed. Liang. 2009. p13.• Swing Components and Containment Hierarchy. The Hong Kong Polytechnic
University. 2009. http://www.eie.polyu.edu.hk/~enzheru/gui-0405/final-ppt/java5.ppt
• Java SE Downloads. Sun Microsystems. 2009. http://java.sun.com/javase/downloads/index.jsp
• Java Overview (Documentation). Sun Microsystems. 2009. http://java.sun.com/javase/6/docs/api/index.html