Java Swing Components and Layout Managers

Java Swing Chris North cs3724: HCI

AWT to Swing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Swing Set Demo ,[object Object],[object Object]

GUI Component API ,[object Object],[object Object],[object Object],[object Object],JButton

Using a GUI Component ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],JButton

Anatomy of an Application GUI JPanel JButton JFrame JLabel GUI Internal structure JFrame JPanel JButton JLabel containers

Using a GUI Component 2 ,[object Object],[object Object],[object Object],[object Object],[object Object],order important

Build from bottom up ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],JPanel JButton Listener JFrame JLabel

Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],press me

Application Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],press me

Layout Managers ,[object Object],[object Object]

Layout Manager Heuristics Left to right, Top to bottom c n s e w FlowLayout GridLayout BorderLayout none, programmer sets x,y,w,h null One at a time CardLayout GridBagLayout JButton

Combinations JButton JButton JTextArea

Combinations n JPanel: BorderLayout c JFrame JPanel: FlowLayout JButton JButton JTextArea

Code: null layout ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],press me

Code: FlowLayout ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],press me then me

Applets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],JApplet contentPane JButton

Applet Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Application + Applet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],JApplet contentPane JPanel JFrame JButton or Browser Command line

Applet Security ,[object Object],[object Object],[object Object],[object Object]

Java Swing Components and Layout Managers

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Java Swing Components and Layout Managers