By Biswajit Sarkar
This publication provides LWUIT via an optimal mixture of conception and perform. sessions are defined and their purposes are confirmed via numerous examples. instance code is carefully analyzed and plenty of screenshots are incorporated to teach what occurs whilst the code is achieved. customized sessions are outfitted gradually with a radical rationalization of every step. The publication additionally offers the underlying structural good points of LWUIT which are vital for skillful use of the API. This booklet is for Java ME builders who are looking to create compelling consumer interfaces for Java ME purposes, and wish to exploit LWUIT to make this ensue
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Once the entire message has been shown, it asks the MIDlet to stop the animation. [ 36 ] This material is copyright and is licensed for the sole use by William Anderson on 26th August 2009 4310 E Conway Dr. NW, , Atlanta, , 30327 Chapter 2 While textLabel is instantiated from Label, animLabel is a customized version. initialized) { return false; [ 37 ] This material is copyright and is licensed for the sole use by William Anderson on 26th August 2009 4310 E Conway Dr. setColor(0xff8040); [ 38 ] This material is copyright and is licensed for the sole use by William Anderson on 26th August 2009 4310 E Conway Dr.
Animations package. The Animation interface defines objects that can be animated. All components are inherently capable of performing animation tasks, as all of them implement Animation. Transition is an abstract class that represents animation from one form into another. Its two concrete subclasses are: • CommonTransitions—has methods to implement the two common types of transitions which are Slide and Fade. • Transition3D—performs transitions (Cube, FlyIn, and Rotation) that require device support for 3D Graphics.
41 ] This material is copyright and is licensed for the sole use by William Anderson on 26th August 2009 4310 E Conway Dr. NW, , Atlanta, , 30327 Components Methods to handle size and location One of the major issues involved in drawing a Widget is its size. This is an important factor for desktop versions too, but is much more critical for small devices like mobile phones. This is because the dimensions of the available display area vary widely, and the display screens are small. The following methods allow access to a component's size: • public void setSize(Dimension d) • public void setPreferredSize(Dimension d) • public Dimension getPreferredSize() The last two methods are meant for the use of developers.