setform.java

经典的宇宙大战游戏代码（坦克大战）

// ViewForm.java
// Copyright by Versitech Ltd.
// All rights reserved

import javax.microedition.lcdui.*;
import javax.microedition.rms.RecordStore;

public class SetForm extends Form implements Runnable {
    private GalaxyWarCanvas sampleGame;
    private RecordStore rs;

    private TextField useridField, mobileField;
    private StringItem errorInfo;

    // Please change the following parameters accordingly
    private String userid 	= "default";
    private String mobile = "8613800000000";

    public SetForm (GalaxyWarCanvas sampleGame) {
        super("Auto Upload Setting");
        this.sampleGame = sampleGame;
        errorInfo = new StringItem("",sampleGame.ERRORINFO2);
        String info = readUploadSetting();
        if (info.length() > 1) {
            userid = info.substring(0,info.indexOf(","));
            mobile = info.substring(info.indexOf(",") + 1,info.length());
            System.out.println("userid:" + userid);
        }
        useridField = new TextField("User ID", userid, 20, TextField.ANY);
        mobileField = new TextField("Mobile", mobile, 20, TextField.PHONENUMBER);

        append(useridField);
        append(mobileField);
        append(errorInfo);

        //addCommand(GalaxyWarCanvas.exitCommand);
        addCommand(GalaxyWarCanvas.setCommand);
        addCommand(GalaxyWarCanvas.backCommand);
        setCommandListener(sampleGame);

        GalaxyWarCanvas.display.setCurrent(this);
    }

    void start(){
        Thread t = new Thread(this);
        try {
            t.start();
        } catch(Exception e){}
    }

    public void run() {
        updateUploadSetting();
    }

    private void updateUploadSetting () {
        byte[] rec;
        String info = useridField.getString() + "," + mobileField.getString();
        sampleGame.userID = useridField.getString();
        sampleGame.mobile = mobileField.getString();
        try {
            rs = RecordStore.openRecordStore("galaxywar",false);
            rec = info.getBytes();
            rs.setRecord(3,rec,0,rec.length);
            rs.closeRecordStore();
        } catch (Exception ex) {
            System.out.println("scoreUpload setting: " + ex);
        }
    }

    private String readUploadSetting(){
        byte[] rec;
        String result = "";
        try {
            rs = RecordStore.openRecordStore("galaxywar",false);
            rec = new byte[300];
            rs.getRecord(3,rec,0);
            rs.closeRecordStore();
            if (rec[0] != 0)
                result = new String(rec);
        } catch (Exception ex) {
            System.out.println("readUploadSetting: " + ex);
        }
        return result.trim();
    }
}