new Gauge(String label, boolean interactive, int maxValue, int initialValue) : Gauge « javax.microedition.lcdui « Java by API

1. Java by API
2. javax.microedition.lcdui
3. Gauge

new Gauge(String label, boolean interactive, int maxValue, int initialValue)

   

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Gauge;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.ItemStateListener;
import javax.microedition.lcdui.StringItem;
import javax.microedition.midlet.MIDlet;

public class Main extends MIDlet implements ItemStateListener {
  private Gauge mGauge;

  private StringItem mStringItem;

  public Main() {
    int initialValue = 5;
    mGauge = new Gauge("GaugeTitle", true, 10, initialValue);
    mStringItem = new StringItem(null, "[value]");
    itemStateChanged(mGauge);
  }

  public void itemStateChanged(Item item) {
    if (item == mGauge)
      mStringItem.setText("Value = " + mGauge.getValue());
  }

  public void startApp() {
    Form form = new Form("GaugeTracker");
    form.append(mGauge);
    form.append(mStringItem);
    form.setItemStateListener(this);

    Display.getDisplay(this).setCurrent(form);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }
}

   
    
    
  

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