【问题描述】
手机程序中,菜单使用很普遍,JavaMe中,如何绘制菜单呢?
下面分享一下实现的菜单功能,实现效果如图1所示:
【代码清单】
Color.java(借鉴 了kf156(亚日),J2ME canvas 多级菜单的实现)
- package com.token.view.components;
- /**
- * 颜色类
- *
- * @author kf156(亚日)
- *
- * @Email kf156@QQ.com
- *
- * @CopyrightNotice 此代码仅供学习交流,您可以使用并传播本源代码,但请保留作者信息。切勿商用,若有需要,请先于本人联系。
- */
- public class Color {
- public static int strong = 0xFF8C00;//令牌显示颜色
- public static int warning1 = 0xFF4500;// 警告颜色
- public static int warning2 = 0xFF0000;// 警告颜色
- public static int error = 0xFF0000;// 错误颜色
- public static int background = 0xF0FAE6;// 背景颜色
- public static int menuFrame = 0xB8E58A;// 窗体框架颜色
- public static int label = 0xF0F8FF;// 标题颜色
- public static int text = 0x314F12;// 正文颜色
- public static int selectText = 0xFFFFFF;// 被选择后的正文颜色
- public static int selectBg = 0x548720;// 被选择后的背景颜色
- public static int cmdBarTop = 0x9FDB63;// 命令栏上半部分颜色
- public static int cmdBarBottom = 0x81D130;// 命令栏下半部分颜色
- public static int menuBg = 0xE0F5CB;// 命令菜单主背景色
- public static int cmdSelectTop = 0x7DAB4F;// 命令菜单选中项上半部分颜色
- public static int cmdSelectBottom = 0x5B9422;// 命令菜单选中项下半部分颜色
- public static int linkClick = 0xFF0000;// 超链接点击后的颜色
- public static int frame = 0x458B00;//边框颜色
- public static int frameBg = 0x556B2F;//边框背景颜色
- public static final int GREY = 0xBBBBBB;// 灰边框
- public static final int BLACK = 0x0;// 黑色
- public static final int WHITE = 0xFFFFFF;// 白色
- public static final int TRANSLUCENCY_WRITE = 0x55FFFFFF;// 白色半透明
- public static final int TRANSLUCENCY_BLACK = 0x55000000;// 黑色半透明
- public static final byte STYLE_RED = 0;// 红色
- public static final byte STYLE_ORANGE = 1;// 橙色
- public static final byte STYLE_YELLOW = 2;// 黄色
- public static final byte STYLE_GREEN = 3;// 绿色
- public static final byte STYLE_LIME = 4;// 酸橙色
- public static final byte STYLE_CYAN = 5;// 青色
- public static final byte STYLE_AQUA = 6;// 浅绿色
- public static final byte STYLE_SKY_BLUE = 7;// 天蓝色
- public static final byte STYLE_BLUE = 8;// 蓝色
- public static final byte STYLE_PURPLE = 9;// 紫色
- public static final byte STYLE_FUCHSIA = 10;// 紫红色
- public static final byte STYLE_MAGENTA = 11;// 红紫色
- public static final byte STYLE_BLACK = 12;// 黑色
- public static int colorName = STYLE_GREEN;// 风格名称
- // 红色风格H0(#FF0000)
- private static void redColor() {
- background = 0xFAE7E7;// 背景颜色
- label = 0xFAEBD7;// 标题颜色
- text = 0x4F1212;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xE58A8A;// 窗体框架颜色
- menuBg = 0xF5CBCB;// 命令菜单主背景色
- selectBg = 0x872020;// 被选择后的背景颜色
- cmdBarTop = 0xDB6363;// 命令栏上半部分颜色
- cmdBarBottom = 0xD13030;// 命令栏下半部分颜色
- cmdSelectTop = 0xAB4F4F;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x942222;// 命令菜单选中项下半部分颜色
- frame = 0xF70909;//边框颜色
- frameBg = 0xD52B2B;//边框背景颜色
- }
- // 橙色风格H30(#FF7F00)
- private static void orangeColor() {
- background = 0xFAF0E6;// 背景颜色
- label = 0xFFE4B5;// 标题颜色
- text = 0x4F3112;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xE5B88A;// 窗体框架颜色
- menuBg = 0xF5E0CB;// 命令菜单主背景色
- selectBg = 0x875420;// 被选择后的背景颜色
- cmdBarTop = 0xDB9F63;// 命令栏上半部分颜色
- cmdBarBottom = 0xD18130;// 命令栏下半部分颜色
- cmdSelectTop = 0xAB7D4F;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x945B22;// 命令菜单选中项下半部分颜色
- frame = 0xF76809;//边框颜色
- frameBg = 0xD56F2B;//边框背景颜色
- }
- // 黄色风格H60(#FFFF00)
- private static void yellowColor() {
- background = 0xFAFAE6;// 背景颜色
- label = 0xFFFACD;// 标题颜色
- text = 0x4F4F12;// 正文颜色
- // selectText = 0xFFFF00;// 被选择后的正文颜色
- menuFrame = 0xE5E58A;// 窗体框架颜色
- menuBg = 0xF5F5CB;// 命令菜单主背景色
- selectBg = 0x878720;// 被选择后的背景颜色
- cmdBarTop = 0xDBDB63;// 命令栏上半部分颜色
- cmdBarBottom = 0xD1D130;// 命令栏下半部分颜色
- cmdSelectTop = 0xABAB4F;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x949422;// 命令菜单选中项下半部分颜色
- frame = 0xF7C709;//边框颜色
- frameBg = 0xD5D52B;//边框背景颜色
- }
- // 绿色风格H90(#80FF00)
- private static void greenColor() {
- background = 0xF0FAE6;// 背景颜色
- label = 0xF0F8FF;// 标题颜色
- text = 0x314F12;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xB8E58A;// 窗体框架颜色
- menuBg = 0xE0F5CB;// 命令菜单主背景色
- selectBg = 0x548720;// 被选择后的背景颜色
- cmdBarTop = 0x9FDB63;// 命令栏上半部分颜色
- cmdBarBottom = 0x81D130;// 命令栏下半部分颜色
- cmdSelectTop = 0x7DAB4F;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x5B9422;// 命令菜单选中项下半部分颜色
- frame = 0x458B00;//边框颜色
- frameBg = 0x556B2F;//边框背景颜色
- }
- // 酸橙色风格H120(0x00FF00)
- private static void limeColor() {
- background = 0xE6FAE6;// 背景颜色
- label = 0xEEE9BF;// 标题颜色
- text = 0x124F12;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x8AE58A;// 窗体框架颜色
- menuBg = 0xCBF5CB;// 命令菜单主背景色
- selectBg = 0x208720;// 被选择后的背景颜色
- cmdBarTop = 0x63DB63;// 命令栏上半部分颜色
- cmdBarBottom = 0x30D130;// 命令栏下半部分颜色
- cmdSelectTop = 0x4FAB4F;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x229422;// 命令菜单选中项下半部分颜色
- frame = 0x09F738;//边框颜色
- frameBg = 0x2BD54D;//边框背景颜色
- }
- // 青色风格H150(0x00FF80)
- private static void cyanColor() {
- background = 0xE6FAF0;// 背景颜色
- label = 0xE0FFFF;// 标题颜色
- text = 0x124F31;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x8AE5B8;// 窗体框架颜色
- menuBg = 0xCBF5E0;// 命令菜单主背景色
- selectBg = 0x208754;// 被选择后的背景颜色
- cmdBarTop = 0x63DB9F;// 命令栏上半部分颜色
- cmdBarBottom = 0x30D181;// 命令栏下半部分颜色
- cmdSelectTop = 0x4FAB7D;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x22945B;// 命令菜单选中项下半部分颜色
- frame = 0x4DB34D;//边框颜色
- frameBg = 0x8AB34D;//边框背景颜色
- }
- // 浅绿色风格H180(#00FFFF)
- private static void aquaColor() {
- background = 0xE6FAFA;// 背景颜色
- label = 0xE0EEE0;// 标题颜色
- text = 0x445500;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x88AA55;// 窗体框架颜色
- menuBg = 0xE6FAFA;// 命令菜单主背景色
- selectBg = 0xAECC33;// 被选择后的背景颜色
- cmdBarTop = 0xBDE61A;// 命令栏上半部分颜色
- cmdBarBottom = 0xB8DD22;// 命令栏下半部分颜色
- cmdSelectTop = 0xB8DD22;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0xB3D52B;// 命令菜单选中项下半部分颜色
- frame = 0x8E8E38;//边框颜色
- frameBg = 0x8B8B00;//边框背景颜色
- }
- // 天蓝色风格H210(#0080FF)
- private static void skyBlueColor() {
- background = 0xE6F0FA;// 背景颜色
- label = 0xE0FFFF;// 标题颜色
- text = 0x12314F;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x8AB8E5;// 窗体框架颜色
- menuBg = 0xCBE0F5;// 命令菜单主背景色
- selectBg = 0x205487;// 被选择后的背景颜色
- cmdBarTop = 0x639FDB;// 命令栏上半部分颜色
- cmdBarBottom = 0x3081D1;// 命令栏下半部分颜色
- cmdSelectTop = 0x4F7DAB;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x225B94;// 命令菜单选中项下半部分颜色
- frame = 0x0997F7;//边框颜色
- frameBg = 0x2BB3D5;//边框背景颜色
- }
- // 深蓝色风格H240(#0000FF)
- private static void blueColor() {
- background = 0xE6E6FA;// 背景颜色
- label = 0xE0EEEE;// 标题颜色
- text = 0x12124F;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x8A8AE5;// 窗体框架颜色
- menuBg = 0xCBCBF5;// 命令菜单主背景色
- selectBg = 0x202087;// 被选择后的背景颜色
- cmdBarTop = 0x6363DB;// 命令栏上半部分颜色
- cmdBarBottom = 0x3030D1;// 命令栏下半部分颜色
- cmdSelectTop = 0x4F4FAB;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x222294;// 命令菜单选中项下半部分颜色
- frame = 0x0909F7;//边框颜色
- frameBg = 0x2B2BD5;//边框背景颜色
- }
- // 紫色风格H270(#8000FF)
- private static void purpleColor() {
- background = 0xF0E6FA;// 背景颜色
- label = 0xFDF5E6;// 标题颜色
- text = 0x31124F;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xB88AE5;// 窗体框架颜色
- menuBg = 0xE0CBF5;// 命令菜单主背景色
- selectBg = 0x542087;// 被选择后的背景颜色
- cmdBarTop = 0x9F63DB;// 命令栏上半部分颜色
- cmdBarBottom = 0x8130D1;// 命令栏下半部分颜色
- cmdSelectTop = 0x7D4FAB;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x5B2294;// 命令菜单选中项下半部分颜色
- frame = 0x6809F7;//边框颜色
- frameBg = 0x6F2BD5;//边框背景颜色
- }
- // 紫红色风格H300(#FF00FF)
- private static void fuchsiaColor() {
- background = 0xFAE6FA;// 背景颜色
- label = 0xFAF0E6;// 标题颜色
- text = 0x4F124F;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xE58AE5;// 窗体框架颜色
- menuBg = 0xF5CBF5;// 命令菜单主背景色
- selectBg = 0x872087;// 被选择后的背景颜色
- cmdBarTop = 0xDB63DB;// 命令栏上半部分颜色
- cmdBarBottom = 0xD130D1;// 命令栏下半部分颜色
- cmdSelectTop = 0xAB4FAB;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x942294;// 命令菜单选中项下半部分颜色
- frame = 0x9709F7;//边框颜色
- frameBg = 0xB32BD5;//边框背景颜色
- }
- // 红紫色风格H330(#FF007F)
- private static void magentaColor() {
- background = 0xFAE6F0;// 背景颜色
- label = 0xFFEFD5;// 标题颜色
- text = 0x4F1231;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0xE58AB8;// 窗体框架颜色
- menuBg = 0xF5CBE0;// 命令菜单主背景色
- selectBg = 0x872054;// 被选择后的背景颜色
- cmdBarTop = 0xDB639F;// 命令栏上半部分颜色
- cmdBarBottom = 0xD13081;// 命令栏下半部分颜色
- cmdSelectTop = 0xAB4F7D;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x94225B;// 命令菜单选中项下半部分颜色
- frame = 0xC709F7;//边框颜色
- frameBg = 0xD52BD5;//边框背景颜色
- }
- //黑色风格(#000000)
- private static void blackColor() {
- background = 0xEDEDED;// 背景颜色
- label = 0xEAEAEA;// 标题颜色
- text = 0x030303;// 正文颜色
- // selectTextColor = 0xFFFFFF;// 被选择后的正文颜色
- menuFrame = 0x2E2E2E;// 窗体框架颜色
- menuBg = 0xC9C9C9;// 命令菜单主背景色
- selectBg = 0x4A4A4A;// 被选择后的背景颜色
- cmdBarTop = 0x3B3B3B;// 命令栏上半部分颜色
- cmdBarBottom = 0x383838;// 命令栏下半部分颜色
- cmdSelectTop = 0x2E2E2E;// 命令菜单选中项上半部分颜色
- cmdSelectBottom = 0x0D0D0D;// 命令菜单选中项下半部分颜色
- frame = 0x0A0A0A;//边框颜色
- frameBg = 0x636363;//边框背景颜色
- }
- // 风格切换
- public static void nextColor() {
- set(++colorName);
- }
- /**
- * 设置颜色
- *
- */
- public static void set(int color) {
- // System.out.println(color);
- switch (color) {
- case STYLE_RED:// 红色
- redColor();
- break;
- case STYLE_ORANGE:// 橙色
- orangeColor();
- break;
- case STYLE_YELLOW:// 黄色
- yellowColor();
- break;
- case STYLE_GREEN:// 绿色
- greenColor();
- break;
- case STYLE_LIME:// 酸橙色
- limeColor();
- break;
- case STYLE_CYAN:// 青色
- cyanColor();
- break;
- case STYLE_AQUA:// 浅绿色
- aquaColor();
- break;
- case STYLE_SKY_BLUE:// 天蓝色
- skyBlueColor();
- break;
- case STYLE_BLUE:// 蓝色
- blueColor();
- break;
- case STYLE_PURPLE:// 紫色
- purpleColor();
- break;
- case STYLE_FUCHSIA:// 紫红色
- fuchsiaColor();
- break;
- case STYLE_MAGENTA:// 红紫色
- magentaColor();
- break;
- case STYLE_BLACK:// 红紫色
- blackColor();
- break;
- default:// 颜色循环完毕,返回红色
- colorName = STYLE_RED;
- redColor();// RED
- break;
- }
- }
- // 设置新风格
- public static void setNewColor(int newColor) {
- background = newColor;
- menuFrame = background - 0x3A155D;
- label = background - 0x25A8E5;
- text = background - 0xC0ACD5;
- selectText = background + 0x100518;
- selectBg = background - 0x9D72C7;
- cmdBarTop = background - 0x531E84;
- cmdBarBottom = background - 0x742AB8;
- }
- }
#p#
KeyID.java
- package com.token.view.components;
- public class KeyID {
- public static final byte KEY_EDIT=-5;//选择
- public static final byte SOFT_LEFT=-6;//左软键
- public static final byte SOFT_RIGHT=-7;//右软键
- private KeyID(){
- }
- }
Menu.java
- package com.token.view.components;
- import javax.microedition.lcdui.*;
- import javax.microedition.lcdui.game.*;
- public class Menu
- {
- private String leftOption;
- private String rightOption;
- private String cancelOption = "取消";
- private String okOption = "确定";
- private String[] menuOptions;
- private int padding;
- private Font ft;
- private int width;
- private int height;
- public int menuHeight;
- public Menu(GameCanvas canvas)
- {
- width = canvas.getWidth();
- height = canvas.getHeight();
- }
- public Menu(GameCanvas canvas, String leftOption, String rightOption, String[] menuOptions) {
- this.leftOption = leftOption;
- this.rightOption = rightOption;
- this.menuOptions = menuOptions;
- width = canvas.getWidth();
- height = canvas.getHeight();
- } // end constructor
- //绘制软键选项
- public void drawMenu(GameCanvas canvas, Graphics graphics, String leftOption, String rightOption)
- {
- width = canvas.getWidth();
- height = canvas.getHeight();
- padding = 5;
- ft = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_BOLD,
- Font.SIZE_LARGE);
- int fontHeight = ft.getHeight();
- menuHeight = fontHeight + 2 * padding;
- graphics.setColor(Color.cmdSelectTop);
- graphics.fillRect(0, height-menuHeight, width, menuHeight/2+1);
- graphics.setColor(Color.cmdSelectBottom);
- graphics.fillRect(0, height-menuHeight/2, width, menuHeight/2);
- graphics.setFont(ft);
- graphics.setColor(Color.label);
- if(leftOption!=null)
- {
- graphics.drawString(leftOption, padding, height-padding, Graphics.LEFT | Graphics.BOTTOM);
- }
- if(rightOption!=null)
- {
- graphics.drawString(rightOption, width-padding, height-padding, Graphics.RIGHT | Graphics.BOTTOM);
- }
- }
- public void drawSubMenu(Graphics graphics, int selectedOptionIndex)
- {
- padding = 6;
- ft = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_BOLD,
- Font.SIZE_MEDIUM);
- int fontHeight = ft.getHeight();
- //确定菜单的最大宽度、最大高度
- int submenuMaxWidth = 0;
- int submenuMaxHeight = 0;
- int currentWidth = 0;
- for (int i = 0; i < menuOptions.length; i++)
- {
- currentWidth = ft.stringWidth(menuOptions[i]);
- if (currentWidth > submenuMaxWidth)
- {
- submenuMaxWidth = currentWidth;
- }
- submenuMaxHeight += fontHeight + padding;
- }
- submenuMaxWidth += 6 * padding;//5个padding用于显示字符
- int sub_padding = 3;
- int sub_margin_left = 2;
- int sub_margin_bottom = 2;
- int submenuFrameMaxWidth = submenuMaxWidth + 2*sub_padding;
- int submenuFrameMaxHeight = submenuMaxHeight + 2*sub_padding;
- graphics.setColor(Color.menuFrame);
- graphics.drawRoundRect(sub_margin_left, // x
- height - menuHeight - submenuFrameMaxHeight-sub_margin_bottom, // y
- submenuFrameMaxWidth, submenuFrameMaxHeight,5,5);
- graphics.setColor(Color.menuBg);
- graphics.fillRoundRect(sub_margin_left+1, // x
- height - menuHeight - submenuFrameMaxHeight-sub_margin_bottom+1, // y
- submenuFrameMaxWidth-1, submenuFrameMaxHeight-1,5,5);
- graphics.setFont(ft);
- int menuOptionX = sub_margin_left + sub_padding + padding;
- int menuOptionY = height - menuHeight - submenuMaxHeight-sub_margin_bottom-sub_padding+padding/2;
- for (int i = 0; i < menuOptions.length; i++)
- {
- if (i != selectedOptionIndex)
- {
- // draw unselected menu option
- graphics.setColor(Color.text); // black
- graphics.drawString(menuOptions[i], menuOptionX, menuOptionY, Graphics.LEFT
- | Graphics.TOP);
- }
- else
- {
- // draw selected menu option
- graphics.setColor(Color.selectBg);
- int highOptionY=height - menuHeight - sub_margin_bottom - submenuMaxHeight + i*(fontHeight + padding)-sub_padding;
- graphics.fillRect(sub_margin_left+sub_padding,highOptionY,submenuMaxWidth+1,fontHeight + padding);
- graphics.setColor(Color.selectText);
- graphics.drawString(menuOptions[i], menuOptionX, menuOptionY, Graphics.LEFT
- | Graphics.TOP);
- }
- menuOptionY += padding + fontHeight;
- }
- }
- public void drawInactiveMenu(GameCanvas canvas, Graphics graphics)
- {
- drawMenu(canvas, graphics,leftOption,rightOption);
- canvas.flushGraphics();
- } // end drawInactiveMenu
- public void drawActiveMenu(GameCanvas canvas, Graphics graphics, int selectedOptionIndex)
- {
- drawMenu(canvas, graphics,cancelOption,okOption);
- // draw menu options
- if (menuOptions != null)
- {
- drawSubMenu(graphics,selectedOptionIndex);
- canvas.flushGraphics();
- }
- }
- }
MainScreen.java(程序有删减,仅供学习交流)
- package com.token.view;
- import javax.microedition.lcdui.*;
- import javax.microedition.lcdui.game.GameCanvas;
- import com.token.util.*;
- import com.token.view.components.*;
- public class MainScreen extends GameCanvas
- {
- private UIController controller;
- private Font ft;
- private int width;
- private int height;
- static final String[] menuOptions = { "1.查看","2.更新","3.用户管理","4.帮助","5.换肤","6.退出" };
- static int menuIdx;// 记录是在第几个菜单处按下的确定键。
- private int currentlySelectedIndex = 0;
- private boolean menuIsActive = false;
- private String leftOption;
- private String rightOption;
- private Graphics graphics;
- private Menu menu;
- public MainScreen(UIController control)
- {
- super(false);
- this.controller = control;
- setFullScreenMode(true);
- ft = Font.getFont(Font.FACE_PROPORTIONAL,Font.STYLE_BOLD,Font.SIZE_LARGE);
- width = getWidth();
- height = getHeight();
- graphics = getGraphics();
- menuIdx = 0;
- leftOption = "选项";
- rightOption = "";
- menu = new Menu(this, leftOption, rightOption, menuOptions);
- }
- public void show(Object[] args) {
- draw();
- //flushGraphics();
- }
- private void draw()
- {
- menu.drawInactiveMenu(this, graphics);
- }
- public void drawBase()
- {
- //clearScreen();
- }
- public void clearScreen()
- {
- graphics.setColor(0xff,0xff,0xff);
- graphics.fillRect(0, 0, width, height);
- flushGraphics();
- }
- protected void keyPressed(int keyCode)
- {
- if (menuIsActive)
- {
- if (keyCode == KeyID.SOFT_LEFT)
- {
- // cancel pressed, draw inactive menu again
- drawBase();
- menu.drawInactiveMenu(this, graphics);
- menuIsActive = false;
- }
- switch(keyCode)
- {
- case KEY_NUM1:
- currentlySelectedIndex = 0;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KEY_NUM2:
- currentlySelectedIndex = 1;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KEY_NUM3:
- currentlySelectedIndex = 2;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KEY_NUM4:
- currentlySelectedIndex = 3;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KEY_NUM5:
- currentlySelectedIndex = 4;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KEY_NUM6:
- currentlySelectedIndex = 5;
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case KeyID.SOFT_RIGHT:
- keyCode = FIRE;
- break;
- default:;
- }
- keyCode = (keyCode != FIRE)?getGameAction(keyCode):keyCode;
- switch(keyCode)
- {
- case UP:
- if(currentlySelectedIndex==0)
- {
- currentlySelectedIndex = menuOptions.length-1;
- }
- else
- {
- currentlySelectedIndex--;
- if (currentlySelectedIndex < 0)
- {
- currentlySelectedIndex = 0; // stay within limits
- }
- }
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case DOWN:
- if(currentlySelectedIndex==menuOptions.length-1)
- {
- currentlySelectedIndex = 0;
- }
- else
- {
- currentlySelectedIndex++;
- if (currentlySelectedIndex >= menuOptions.length)
- {
- currentlySelectedIndex = menuOptions.length - 1;
- }
- }
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- break;
- case FIRE:
- {
- drawBase();
- graphics.setColor(0x000000);
- menu.drawInactiveMenu(this, graphics);
- menuIsActive = false;
- //按键处理
- switch(currentlySelectedIndex)
- {
- case 0:
- {
- //Object []args = {"viewScreen", "userAuth_name",null,null};
- //controller.handleEvent(UIController.EventID.EVENT_VIEW_AUTH,args);
- break;
- }
- case 1:
- {
- //Object []args = {"updateScreen", "userAuth_name",null,null};
- //controller.handleEvent(UIController.EventID.EVENT_UPDATE_AUTH, args);
- break;
- }
- case 2:
- {
- //Object []args = {"manageScreen", "userAuth_name",null,null};
- //controller.handleEvent(UIController.EventID.EVENT_USER_MANAGE_AUTH, args);
- break;
- }
- case 3:
- {
- //controller.handleEvent(UIController.EventID.EVENT_SHOW_HELP,null);
- break;
- }
- case 4:
- {
- break;
- }
- case 5:
- {
- //controller.handleEvent(UIController.EventID.EVENT_EXIT,null);
- break;
- }
- default:;
- }
- break;
- }
- default:;
- }
- }
- else
- {
- if (keyCode == KeyID.SOFT_LEFT)
- { // "Options" pressed
- menu.drawActiveMenu(this, graphics, currentlySelectedIndex);
- menuIsActive = true;
- }
- else if (keyCode == KeyID.SOFT_RIGHT)
- {
- }
- }
- }
- }
*关于UIController,后续文章将给予解释。
【参考文献】
(2) http://www.iteye.com/topic/479217
原文链接:http://blog.csdn.net/tandesir/article/details/7536778
【系列文章】