-- 作者：wangxinxin
-- 發(fā)布時(shí)間：2010-11-23 10:02:38
-- 在Eclipse下應(yīng)用J2ME POLISH
這是一個(gè)簡單的幫助文檔，看完后你將學(xué)會(huì)polish的基本用法，并用它構(gòu)建你的j2me工程。
Polish擁有著強(qiáng)大的預(yù)編譯命令，用它可以很方便的去打包資源和分離代碼。
1.配置：
第一步解壓縮最好放到根目錄下，無需安裝。
第二步將xml的解析文件copy到工程目錄下。
第三步在xml上單擊右鍵選擇-打開方式-ant構(gòu)建。
就是這么簡單。
2.介紹xml
下面是一個(gè)例子，在這個(gè)xml下填寫jad,和資源的目錄。很簡單，相信大家都能看懂。
<!-- This file controls the build process. -->
<!-- The most important target is the j2mepolish-target, -->
<!-- which controls for what devices the application should -->
<!-- be created and so on. -->
<!-- -->
<!-- Important: when you have no Wireless Toolkit installed -->
<!-- you need to define the "preverify"-attribute -->
<!-- of the <build>-element of the J2ME Polish task. -->
<!-- -->
<!-- When you call Ant from the command-line, you can -->
<!-- call "ant test j2mepolish" to skip the obfuscation -->
<!-- and to build the example for fewer handsets. -->
<!-- The default target builds and obfuscates the example. -->
<!-- -->
<!-- The full documentation can be found at -->
<!-- http://www.j2mepolish.org -->
<!-- -->
<!-- Have fun! -->
<project
name="SC"
default="j2mepolish">
<!-- The wtk.home property should point to the directory -->
<!-- containing the Wireless Toolkit. -->
<propertyname="wtk.home"value="C:\\WTK22"/>
<!-- The polish.home property should point to the directory -->
<!-- containing the J2ME Polish installation. -->
<propertyname="polish.home"value="C:\\J2ME-Polish"/>
<!-- The siemens.home, nokia.home and motorola.home- -->
<!-- properties can be necessary when their emulators -->
<!-- should be started. -->
<!-- The directory which contains the Siemens-SMTK
<property name="siemens.home" value="C:\\siemens" />
-->
<!-- The directory which contains the Nokia-emulators
<property name="nokia.home" value="C:\\Nokia" />
-->
<!-- The path to the Sony-Ericsson SDK
<property name="sony-ericsson.home" value="C:\\SonyEricsson\\J2ME_SDK" />
-->
<!-- The directory which contains the Motorola-emulators
<property name="motorola.home" value="C:\\Program Files\\Motorola\\SDK v4.3 for J2ME" />
-->
<!-- Definition of the J2ME Polish task: -->
<taskdefname="j2mepolish"
classname="de.enough.polish.ant.PolishTask"
classpath="${polish.home}/import/enough-j2mepolish-build.jar:${polish.home}/import/jdom.jar:${polish.home}/import/proguard.jar:${polish.home}/yguard-lib.jar:${wtk.home}/wtklib/kenv.zip"/>
<targetname="init">
<propertyname="test"value="false"/>
<propertyname="dir.work"value="build"/>
</target>
<targetname="clean"
description="allows a clean build. You should call [ant clean] whenever you made changes to devices.xml, vendors.xml or groups.xml">
<deletedir="build"/>
<deletedir="dist"/>
</target>
<!-- In this target the J2ME Polish task is used. -->
<!-- It has 3 sections: -->
<!-- 1. The info-section defines some general information -->
<!-- 2. The deviceRequirements-section chooses the devices -->
<!-- for which the application is optimized. -->
<!-- 3. The build-section controls the actual build -->
<!-- process. -->
<targetname="j2mepolish"
depends="init"
description="This is the controller for the J2ME build process."
>
<j2mepolish>
<!-- general settings, these settings basically form the JAD-attributes. -->
<!-- Have a look at the <jad>-section for setting specialised attributes.
You can also define localized attributes in the resources/messages.txt files -->
<info
license="GPL"
name="驅(qū)魔Q傳"
version="1.0"
description="單機(jī)版;Nokia_N${polish.name};動(dòng)作類"
vendorName="創(chuàng)藝和弦"
icon="/icon.png"
jarName="ExorcismSword_NOK_N${polish.name}.jar"
/>
<deviceRequirementsunless="test">
<or>
<requirementname="Identifier"value="Nokia/7610"/>
</or>
</deviceRequirements>
<build
symbols=""
fullscreen="yes"
usePolishGui="false"
workDir="${dir.work}">
<midletclass="GhostMidlet"name="驅(qū)魔Q傳"/>
<variablesincludeAntProperties="true">
<variablename="update-url"value="http://www.enough.de/update"/>
<variablename="title"value="cc"/>
</variables>
<resourcesdir="res"excludes="">
<filesetdir="res/"if="polish.identifier == Nokia/7610"/>
</resources>
<obfuscatorname="ProGuard"useDefaultPackage="true"unless="test">
</obfuscator>
<jad>
<attributename="MicroEdition-Configuration"value="CLDC-1.0"/>
<attributename="MicroEdition-Profile"value="MIDP-1.0"/>
<attributename="Media-Price"value="單次下載8元"/>
</jad>
</build>
</j2mepolish>
</target>
</project>
3.Polish語法簡介：
幾個(gè)例子，
關(guān)于不同屏幕大小設(shè)置變量坐標(biāo)。
//#if (polish.ScreenWidth == 240)
byteoffextX=20;
inttitleNameX=25+offextX;
inttitleNameY=43+20;
intnameOffestX=33+4;
intnameOffestY=33;
intnumOffestX=23;
intnumOffestY=42+4;
intnumAllY=-5;
bytenameTranY=1;
intmidleMuX=-20+offextX;
intmidleMuY=-40+30+10;
intyoungManX=-70+offextX;
intyoungManY=-40+90+10;
integgX=-20;
integgY=-37+90+10;
intbigEggX;
intbigEggY=13-12;
//#else (polish.ScreenHeight == 220)
//# int titleNameX=25;
//# int titleNameY=43;
//# byte nameOffestX=33;
//# byte nameOffestY=33;
//# byte numOffestX=23;
//# byte numOffestY=42;
//# byte numAllY=-5;
//# byte nameTranY=1;
//# int midleMuX=-20;
//# int midleMuY=-40;
//# int youngManX=-70;
//# int youngManY=-40;
//# int eggX=-20;
//# int eggY=-37;
//# int bigEggX;
//# int bigEggY=13;
//#endif
不同按鍵。
//#if (polish.Vendor == Sony-Ericsson) || (polish.Vendor == Samsung) || (polish.Vendor == Nokia)
finalstaticpublicintisLeftKey=-6;
finalstaticpublicintisRightKey=-7;
//#elif (polish.Vendor == Motorola)
//# final static public int isLeftKey=-21;
//# final static public int isRightKey=-22;
//#endif
4. build失敗的可能原因：
Jdk的版本1.42的可以，高版本的會(huì)出錯(cuò)。（可能和polish的版本有關(guān)）
Xml的修改的參數(shù)有誤，如midlet的名字，是否存在的資源文件夾，wtk,polish的路徑。
Polish語法有錯(cuò)，這個(gè)一般會(huì)在build失敗的控制臺下有標(biāo)記。
另外混淆包的路徑也要設(shè)置正確
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