multiple_listdemo.java

来自「jBuilderX无线应用开发源代码」· Java 代码 · 共 38 行

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;

public class MULTIPLE_ListDemo extends MIDlet
{
	private Display display;

	public MULTIPLE_ListDemo(){
	}

	public void startApp(){
		//创建包含4个选项的MULTIPLE类型的List
		String [] stringElements=new String [4];
		stringElements[0]="item 1";
		stringElements[1]="item 2";
		stringElements[2]="item 3";
		stringElements[3]="item 4";
		List list=new List("MULTIPLE List",Choice.MULTIPLE,stringElements,null);
		//使用set方法修改索引为2的选项
		list.set(2,"modified item",null);
		//使用setSelectedFlags方法设置所有选项的选中状态
		boolean [] selectedArray=new boolean [4];
		selectedArray[0]=true;
		selectedArray[1]=false;
		selectedArray[2]=false;
		selectedArray[3]=true;
		list.setSelectedFlags(selectedArray);
		//显示List
		display=Display.getDisplay(this);
		display.setCurrent(list);
	}

	public void pauseApp(){
	}

	public void destroyApp(boolean unconditional){
	}
}