一起来学J2ME_1:撰写一个手机系统属性显示程序 (附jad文件的错误代码)
2008-11-13 22:20
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目标：撰写一个手机系统属性显示程序SysInfoMIDlet
开发环境：NetBeans4.1
测试机型：Sun DefaultColorPhone
真机型号：Nokia 6030
功能实现：
1.实现手机系统属性的显示
2.能够响应上，下方向键的消息，使属性信息队列能够在屏幕上滚动显示。
3.能够响应左，右方向键的消息，使过长的属性信息能够在屏幕在左右移动，让用户看得见属性信息的全部内容。
4.能够设置显示字体的大小，并根据字体的大小调节行距。
代码如下，注释以后会慢慢加上的：
文件1：SysInfoMIDlet.java
本人正在学习J2ME,将自己的所获发于网上与大家分享，不足之处待路过的神仙哥哥神仙姐姐们拍砖提醒之。感激流涕！！！！！！！！
附jad文件的错误代码：
jad ( Java Application Discriptor )
文件是J2ME的一个重要的组成部分，在我们发布J2ME程序的时候，jad文件经常报出各种错误，如：
com.sun.kvem.midletsuite.InvalidJadException: Reason = 13
其中的错误原因是
1-52的代码，很让人费解。我在网上找到了这些代码的解释，和大家分享如下：
public static final int
JAD_SERVER_NOT_FOUND = 1;
public static final int JAD_NOT_FOUND =
2;
public static final int MISSING_PROVIDER_CERT = 4;
public
static final int CORRUPT_PROVIDER_CERT = 5;
public static final int
UNKNOWN_CA = 6;
public static final int INVALID_PROVIDER_CERT = 7;
public static final int CORRUPT_SIGNATURE = 8;
public static final
int INVALID_SIGNATURE = 9;
public static final int
UNSUPPORTED_CERT = 10;
public static final int
EXPIRED_PROVIDER_CERT = 11;
public static final int EXPIRED_CA_KEY =
12;
public static final int MISSING_SUITE_NAME = 13;
public
static final int MISSING_VENDOR = 14;
public static final int
MISSING_VERSION = 15;
public static final int INVALID_VERSION = 16;
public static final int OLD_VERSION = 17;
public static final int
MISSING_JAR_URL = 18;
public static final int JAR_SERVER_NOT_FOUND =
19;
public static final int JAR_NOT_FOUND = 20;
public static
final int MISSING_JAR_SIZE = 21;
public static final int
SUITE_NAME_MISMATCH = 25;
public static final int VERSION_MISMATCH =
26;
public static final int VENDOR_MISMATCH = 27;
public
static final int INVALID_KEY = 28;
public static final int
INVALID_VALUE = 29;
public static final int INSUFFICIENT_STORAGE =
30;
public static final int JAR_SIZE_MISMATCH = 31;
public
static final int NEW_VERSION = 32;
public static final int
UNAUTHORIZED = 33;
public static final int JAD_MOVED = 34;
public static final int CANNOT_AUTH = 35;
public static final int
CORRUPT_JAR = 36;
public static final int INVALID_JAD_TYPE = 37;
public static final int INVALID_JAR_TYPE = 38;
public static final
int ALREADY_INSTALLED = 39;
public static final int
DEVICE_INCOMPATIBLE = 40;
public static final int
MISSING_CONFIGURATION = 41;
public static final int MISSING_PROFILE
= 42;
public static final int INVALID_JAD_URL = 43;
public
static final int INVALID_JAR_URL = 44;
public static final int
PUSH_DUP_FAILURE = 45;
public static final int PUSH_FORMAT_FAILURE =
46;
public static final int PUSH_PROTO_FAILURE = 47;
public
static final int PUSH_CLASS_FAILURE = 48;
public static final int
AUTHORIZATION_FAILURE = 49;
public static final int
ATTRIBUTE_MISMATCH = 50;
public static final int PROXY_AUTH = 51;
public static final int TRUSTED_OVERWRITE_FAILURE = 52;
有了这些代码的解释，
我们就很容易知道错误的原因了。
另外，大家知道，有的手机在安装jar文件的时候，不需要jad文件。这是因为手机厂商在操作系统中内置了对jar文件的解析功能。就如同手机自动生成
jad文件，然后使用这个jad文件安装jar文件一样。
开发环境：NetBeans4.1
测试机型：Sun DefaultColorPhone
真机型号：Nokia 6030
功能实现：
1.实现手机系统属性的显示
2.能够响应上，下方向键的消息，使属性信息队列能够在屏幕上滚动显示。
3.能够响应左，右方向键的消息，使过长的属性信息能够在屏幕在左右移动，让用户看得见属性信息的全部内容。
4.能够设置显示字体的大小，并根据字体的大小调节行距。
代码如下，注释以后会慢慢加上的：
文件1：SysInfoMIDlet.java
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.game.GameCanvas;
import javax.microedition.lcdui.*;
public class SysInfoCanvas extends GameCanvas implements Runnable,
CommandListener {
Display display;
Font f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
boolean isPlay = true;
int arrayLength = 33;
int screenWidth = 0;
int screenHeight = 0;
int fontDis = 0;
byte move = 4;
String[] propertyStr = new String[arrayLength];
int[] strLength = new int[arrayLength];
int[][] Loca = new int[arrayLength][3];
MIDlet midlet;
public SysInfoCanvas(MIDlet mid, Display dis) {
super(true);
midlet = mid;
display = dis;
setFullScreenMode(true);
screenWidth = getWidth();
screenHeight = getHeight();
GetProperty();
fontDis = f.getHeight() + 2;
for (int j = 0; j < arrayLength; j++) {
Loca[j][2] = f.stringWidth(propertyStr[j]);
Loca[j][1] = j * fontDis;
Loca[j][0] = 0;
}
addCommand(new Command("大字体", Command.SCREEN, 1));
addCommand(new Command("中字体", Command.SCREEN, 1));
addCommand(new Command("小字体", Command.SCREEN, 1));
addCommand(new Command("退出", Command.EXIT, 1));
setCommandListener(this);
}
public void start() {
isPlay = true;
new Thread(this).start();
}
public void stop() {
isPlay = false;
}
public void run() {
Graphics g = getGraphics();
while (isPlay) {
input();
drawScreen(g);
try {
Thread.sleep(80);
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
}
private void drawScreen(Graphics g) {
g.setColor(0xffff00);
g.fillRect(0, 0, screenWidth, screenHeight);
drawSodino(g);
g.setColor(0x000000);
Property(g);
flushGraphics();
}
public void drawSodino(Graphics g) {
g.setColor(0xf813);
Font f = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_BOLD
| Font.STYLE_ITALIC, Font.SIZE_LARGE);
g.setFont(f);
for (int i = 0; i < 6; i++) {
g.drawString("Sodino", 30, i * 20, Graphics.LEFT | Graphics.TOP);
}
}
public void input() {
int key = getKeyStates();
int temp = 0;
if (UP_PRESSED == key) {
temp = Loca[0][1];
for (int j = 0; j < arrayLength - 1; j++) {
Loca[j][1] = Loca[j + 1][1];
}
Loca[arrayLength - 1][1] = temp;
} else if (DOWN_PRESSED == key) {
temp = Loca[arrayLength - 1][1];
for (int j = arrayLength - 1; j > 0; j--) {
Loca[j][1] = Loca[j - 1][1];
}
Loca[0][1] = temp;
} else if (LEFT_PRESSED == key) {
for (int i = 0; i < arrayLength; i++) {
if (Loca[i][1] >= 0
&& Loca[i][1] + f.getHeight() <= screenHeight
&& 0 > Loca[i][0]) {
Loca[i][0] += move;
}
}
} else if (RIGHT_PRESSED == key) {
for (int i = 0; i < arrayLength; i++) {
if (Loca[i][1] >= 0
&& Loca[i][1] + f.getHeight() <= screenHeight
&& screenWidth < Loca[i][0] + Loca[i][2]) {
Loca[i][0] -= move;
}
}
}
}
public void Property(Graphics g) {
g.setFont(f);
propertyStr[arrayLength - 2] = "当前空余内存: "
+ Runtime.getRuntime().freeMemory();
System.gc();
propertyStr[arrayLength - 1] = "最大空闲内存:"
+ Runtime.getRuntime().freeMemory();
for (int i = 0; i < arrayLength; i++) {
g.drawString(propertyStr[i], Loca[i][0], Loca[i][1], Graphics.LEFT
| Graphics.TOP);
}
}
public void commandAction(Command c, Displayable dis) {
if (c.getLabel().equals("退出")) {
midlet.notifyDestroyed();
} else if (c.getLabel().equals("大字体")) {
f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN,
Font.SIZE_LARGE);
ResetStringWidth();
modifyLoca1();
} else if (c.getLabel().equals("中字体")) {
f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN,
Font.SIZE_MEDIUM);
ResetStringWidth();
modifyLoca1();
} else if (c.getLabel().equals("小字体")) {
f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN,
Font.SIZE_SMALL);
ResetStringWidth();
modifyLoca1();
}
}
public void modifyLoca1() {
int theTopLoca = 0;
for (int i = 0; i < arrayLength; i++) {
if (0 == Loca[i][1]) {
theTopLoca = i;
break;
}
}
for (int i = theTopLoca + 1; i < theTopLoca + arrayLength; i++) {
int temp = i % arrayLength;
if (temp == 0) {
Loca[0][1] = Loca[arrayLength - 1][1] + fontDis;
} else {
Loca[temp][1] = Loca[temp - 1][1] + fontDis;
}
}
}
public void ResetStringWidth() {
propertyStr[arrayLength - 4] = "当前字体高度: " + f.getHeight();
fontDis = f.getHeight() + 2;
for (int i = 0; i < arrayLength; i++) {
Loca[i][2] = f.stringWidth(propertyStr[i]);
}
}
public void GetProperty() {
propertyStr[0] = "MIDP: " + System.getProperty("microedition.profiles");
propertyStr[1] = "CLDC: "
+ System.getProperty("microedition.configuration");
propertyStr[2] = "字符包: " + System.getProperty("microedition.encoding");
propertyStr[3] = "手机产国: " + System.getProperty("microedition.locale");
propertyStr[4] = "手机型号: " + System.getProperty("microedition.platform");
propertyStr[5] = "串口列表: "
+ System.getProperty("microedition.commports");
propertyStr[6] = "手机名: " + System.getProperty("microedition.hostname");
propertyStr[7] = "支持混音: " + System.getProperty("supports.mixing");
propertyStr[8] = "视频捕获: "
+ System.getProperty("supports.audio.capture");
propertyStr[9] = "声音捕获: "
+ System.getProperty("supports.vedio.capture");
propertyStr[10] = "视频格式: " + System.getProperty("audio.encoding");
propertyStr[11] = "声音格式: " + System.getProperty("vedio.encodings");
propertyStr[12] = "支持记录: " + System.getProperty("supports.recording");
propertyStr[13] = "支持3D: "
+ System.getProperty("microedition.m3g.version");
if (true == display.flashBacklight(2500)) {
propertyStr[14] = "背景灯闪烁: true";
} else {
propertyStr[14] = "背景灯闪烁: false";
}
if (true == display.vibrate(500)) {
propertyStr[15] = "支持震动: true";
} else {
propertyStr[15] = "支持震动: false";
}
if (true == display.isColor()) {
propertyStr[16] = "是否彩色: true";
propertyStr[17] = "颜色数: " + display.numColors();
;
} else {
propertyStr[16] = "是否彩色: false";
propertyStr[17] = "颜色数: White and Black Only";
}
if (true == this.hasRepeatEvents()) {
propertyStr[18] = "连续按键: true";
} else {
propertyStr[18] = "连续按键: false";
}
if (true == this.hasPointerEvents()) {
propertyStr[19] = "指针事件: true";
} else {
propertyStr[19] = "指针事件: false";
}
if (true == this.hasPointerMotionEvents()) {
propertyStr[20] = "指针拖拽: true";
} else {
propertyStr[20] = "指针拖拽: false";
}
if (true == this.isDoubleBuffered()) {
propertyStr[21] = "支持双缓存: true";
} else {
propertyStr[21] = "支持双缓存: false";
}
propertyStr[22] = "蓝牙版本: "
+ System.getProperty("Bluetooth.api.version");
propertyStr[23] = "短信服务中心号码: "
+ System.getProperty("wireless.messaging.sms.smsc");
propertyStr[24] = "手机存储卡名称: "
+ System.getProperty("fileconn.dir.memorycard.name");
propertyStr[25] = "流媒体格式: " + System.getProperty("streamable.contents");
propertyStr[arrayLength - 7] = "IMEI号: " + getIMEI();
propertyStr[arrayLength - 6] = "Lac号: " + getLac();
propertyStr[arrayLength - 5] = "CellID号: " + getCellID();
propertyStr[arrayLength - 4] = "字体高度: " + f.getHeight();
propertyStr[arrayLength - 3] = "总内存:"
+ Runtime.getRuntime().totalMemory();
propertyStr[arrayLength - 2] = "当前空闲内存:"
+ Runtime.getRuntime().freeMemory();
propertyStr[arrayLength - 1] = "最大空闲内存:"
+ Runtime.getRuntime().totalMemory();
}
private String getIMEI() {
return (System.getProperty("com.sonyericsson.imei") == null ? System
.getProperty("com.nokia.IMEI") == null ? System
.getProperty("com.nokia.mid.imei") == null ? System
.getProperty("phone.imei") == null ? System.getProperty("IMEI") == null ? System
.getProperty("com.samsung.imei") == null ? System
.getProperty("com.siemens.imei") == null ? "null" : System
.getProperty("com.siemens.imei") : System
.getProperty("com.samsung.imei")
: System.getProperty("IMEI")
: System.getProperty("phone.imei")
: System.getProperty("com.nokia.mid.imei")
: System.getProperty("com.nokia.IMEI")
: System.getProperty("com.sonyericsson.imei"));
}
private String getLac() {
return (System.getProperty("com.sonyericsson.net.lac") == null ? System
.getProperty("com.nokia.mid.lac") == null ? System
.getProperty("LocAreaCode") == null ? "null" : System
.getProperty("LocAreaCode") : System
.getProperty("com.nokia.mid.lac") : System
.getProperty("com.sonyericsson.net.lac"));
}
private String getCellID() {
return (System.getProperty("com.sonyericsson.net.cellid") == null ? System
.getProperty("com.nokia.mid.cellid") == null ? System
.getProperty("com.samsung.cellid") == null ? System
.getProperty("com.siemens.cellid") == null ? "null" : System
.getProperty("com.siemens.cellid") : System
.getProperty("com.samsung.cellid") : System
.getProperty("com.nokia.mid.cellid")
: System.getProperty("com.sonyericsson.net.cellid"));
}
}本人正在学习J2ME,将自己的所获发于网上与大家分享，不足之处待路过的神仙哥哥神仙姐姐们拍砖提醒之。感激流涕！！！！！！！！
附jad文件的错误代码：
jad ( Java Application Discriptor )
文件是J2ME的一个重要的组成部分，在我们发布J2ME程序的时候，jad文件经常报出各种错误，如：
com.sun.kvem.midletsuite.InvalidJadException: Reason = 13
其中的错误原因是
1-52的代码，很让人费解。我在网上找到了这些代码的解释，和大家分享如下：
public static final int
JAD_SERVER_NOT_FOUND = 1;
public static final int JAD_NOT_FOUND =
2;
public static final int MISSING_PROVIDER_CERT = 4;
public
static final int CORRUPT_PROVIDER_CERT = 5;
public static final int
UNKNOWN_CA = 6;
public static final int INVALID_PROVIDER_CERT = 7;
public static final int CORRUPT_SIGNATURE = 8;
public static final
int INVALID_SIGNATURE = 9;
public static final int
UNSUPPORTED_CERT = 10;
public static final int
EXPIRED_PROVIDER_CERT = 11;
public static final int EXPIRED_CA_KEY =
12;
public static final int MISSING_SUITE_NAME = 13;
public
static final int MISSING_VENDOR = 14;
public static final int
MISSING_VERSION = 15;
public static final int INVALID_VERSION = 16;
public static final int OLD_VERSION = 17;
public static final int
MISSING_JAR_URL = 18;
public static final int JAR_SERVER_NOT_FOUND =
19;
public static final int JAR_NOT_FOUND = 20;
public static
final int MISSING_JAR_SIZE = 21;
public static final int
SUITE_NAME_MISMATCH = 25;
public static final int VERSION_MISMATCH =
26;
public static final int VENDOR_MISMATCH = 27;
public
static final int INVALID_KEY = 28;
public static final int
INVALID_VALUE = 29;
public static final int INSUFFICIENT_STORAGE =
30;
public static final int JAR_SIZE_MISMATCH = 31;
public
static final int NEW_VERSION = 32;
public static final int
UNAUTHORIZED = 33;
public static final int JAD_MOVED = 34;
public static final int CANNOT_AUTH = 35;
public static final int
CORRUPT_JAR = 36;
public static final int INVALID_JAD_TYPE = 37;
public static final int INVALID_JAR_TYPE = 38;
public static final
int ALREADY_INSTALLED = 39;
public static final int
DEVICE_INCOMPATIBLE = 40;
public static final int
MISSING_CONFIGURATION = 41;
public static final int MISSING_PROFILE
= 42;
public static final int INVALID_JAD_URL = 43;
public
static final int INVALID_JAR_URL = 44;
public static final int
PUSH_DUP_FAILURE = 45;
public static final int PUSH_FORMAT_FAILURE =
46;
public static final int PUSH_PROTO_FAILURE = 47;
public
static final int PUSH_CLASS_FAILURE = 48;
public static final int
AUTHORIZATION_FAILURE = 49;
public static final int
ATTRIBUTE_MISMATCH = 50;
public static final int PROXY_AUTH = 51;
public static final int TRUSTED_OVERWRITE_FAILURE = 52;
有了这些代码的解释，
我们就很容易知道错误的原因了。
另外，大家知道，有的手机在安装jar文件的时候，不需要jad文件。这是因为手机厂商在操作系统中内置了对jar文件的解析功能。就如同手机自动生成
jad文件，然后使用这个jad文件安装jar文件一样。
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
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