This application illustrates how to create the text box using TextBox class.

J2ME Text Box Example

     

This application illustrates how to create the text box using TextBox class. The TextBox class is a Screen that allows the user to enter and edit text. A TextBox has a maximum size, which is the maximum number of characters that can be stored in the object at any time. The following are the methods used in class:

• delete(int offset, int length)
• getCaretPosition()
• getChars(char[] data)
• getConstraints()
• getMaxSize()
• getString()
• insert(char[] data, int offset, int length, int position)
• insert(String src, int position)
• setChars(char[] data, int offset, int length)
• setConstraints(int constraints)
• setMaxSize(int maxSize)
• setString(String text)
• size()

These methods are accessible in your MIDlet. The application is as follows:

 

TextBoxMIDlet.java

 

import javax.microedition.midlet.*; import javax.microedition.lcdui.*; public class TextBoxMIDlet extends MIDlet{      private Display display;    public TextBoxMIDlet() {   display = Display.getDisplay(this);   }   public void startApp() {   TextBox t = new TextBox("TextBox Example",     "Hello Sandeep Kumar Suman !", 256, 0);   display.setCurrent(t);   }   public void pauseApp() {}   public void destroyApp(boolean unconditional) {} }

 

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