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Revision as of 22:16, 23 January 2009 by Mayurvihaar (Talk | contribs)

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How to get device Java ME configuration information

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This is a very simple code of j2me. By implementing it, and running it by your mobile device, you could learn some attributes of Java configuration of your mobile device.

import javax.microedition.midlet.*; import javax.microedition.lcdui.*; public class AttributesMIDlet extends MIDlet{ private Display display; private Command cExit; public void startApp(){ display = Display.getDisplay(this); cExit = new Command(”Quit”, Command.EXIT, 0); Canvas canvas = new DummyCanvas(); Runtime runtime = Runtime.getRuntime(); Form form = new Form(”Attributes”); form.append(new StringItem(”Know Your Mobile”, “”)); form.append(new StringItem(”Total Memory:”, String.valueOf(runtime.totalMemory()/1024)+”Kb”)); form.append(new StringItem(”Free Memory:”, String.valueOf(runtime.freeMemory()/1024)+”Kb”)); form.append(new StringItem(”n”, null)); form.append(System.getProperty(”microedition.configuration”)); form.append(System.getProperty(”microedition.profiles”)); boolean isColor = display.isColor(); form.append(new StringItem(isColor ? “Colors:”: “Grays:”, String.valueOf(display.numColors()))); form.append(new StringItem(”Width: “, String.valueOf(canvas.getWidth()))); form.append(new StringItem(”Height:”, String.valueOf(canvas.getHeight()))); form.append(new StringItem(”Repeat:”, String.valueOf(canvas.hasRepeatEvents()))); form.append(new StringItem(”Double Buff:”, String.valueOf(canvas.isDoubleBuffered()))); form.addCommand(cExit); form.setCommandListener( new CommandListener(){ public void commandAction(Command c, Displayable d){ if (c == cExit){ destroyApp(false); notifyDestroyed(); } } } ); display.setCurrent(form);[[Category:]] } public void pauseApp(){ } public void destroyApp(boolean unconditional){ } } class DummyCanvas extends Canvas{ public void paint(Graphics g){

} }

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