?? navigator.java
字號:
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.* ;
public class Navigator
{
final public static int MAIN_SCREEN = 1 ;
final public static int GAME_SCREEN = 2 ;
final public static int SET_SCREEN = 3 ;
final public static int GAME_HELP_SCREEN = 4 ;
final public static int SET_HELP_SCREEN = 5 ;
public static MIDlet midlet ;
public static Display display ;
public static int current ;
public static void show(Object obj)
{
switch(current)
{
case MAIN_SCREEN :
display.setCurrent(MainScreen.getInstance()) ;
break ;
case GAME_SCREEN :
display.setCurrent(GameScreen.getInstance()) ;
break ;
case SET_SCREEN :
display.setCurrent(SetScreen.getInstance()) ;
break ;
case GAME_HELP_SCREEN :
display.setCurrent(new HelpScreen((String)obj)) ;
break ;
case SET_HELP_SCREEN :
display.setCurrent(new HelpScreen((String)obj)) ;
break ;
}
}
public static void flow(String cmd)
{
switch(current)
{
case MAIN_SCREEN :
if(cmd.equals("開始"))
{
current = GAME_SCREEN ;
show(null) ;
}else if(cmd.equals("設(shè)定"))
{
current = SET_SCREEN ;
show(null) ;
}else if(cmd.equals("版權(quán)聲明"))
{
display.setCurrent(CopyScreen.getInstance()) ;
}else if(cmd.equals("離開"))
{
midlet.notifyDestroyed() ;
}
break ;
case GAME_SCREEN :
if(cmd.equals("輔助說明"))
{
current = GAME_HELP_SCREEN ;
show("游戲的操作方式") ;
}else if(cmd.equals("返回"))
{
current = MAIN_SCREEN ;
show(null) ;
}
break ;
case SET_SCREEN :
if(cmd.equals("輔助說明"))
{
current = SET_HELP_SCREEN ;
show("設(shè)定方式") ;
}else if(cmd.equals("返回"))
{
current = MAIN_SCREEN ;
show(null) ;
}
break ;
case GAME_HELP_SCREEN :
if(cmd.equals("返回"))
{
current = GAME_SCREEN ;
show(null) ;
}
break ;
case SET_HELP_SCREEN :
if(cmd.equals("返回"))
{
current = SET_SCREEN ;
show(null) ;
}
break ;
}
}
}
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