测试phoneme advance(DirectFB)运行环境
测试phoneme advance(DirectFB)运行环境
转载时请注明出处和作者联系方式
作者联系方式:李先静 <xianjimli at hotmail dot com>
在上文中,我们顺利完成了phoneme advance的编译,我对phoneme了解不多,怎么验证JVM是否工作正常呢?对于JAVA程序员来说,这只是小事一桩,呵,对我来说,却是高深得不得了。花了好长时间才折腾出来,这里做点笔记,供下一个JAVA盲参考。
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先设置环境变量
export PREFIX=/usr/local
export JDK_DIR=/usr/share/j2sdk1.4.2_15
export PATH=$JDK_DIR/bin:$PREFIX/java/cdc/bin:$PREFIX/java/cdc/midp/midp_linux_fb_gcc/bin/i386 :$PATH
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测试CVM。
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先写个最简单的HelloWorld程序,文件名为HelloWorld.java。
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再写个Makefile
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这里要设置好bootclasspath,让它能连接phoneme的class。
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编译
make
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运行
cvm HelloWorld
(顺利的话,会打印出HelloWorld)
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测试MIDlet。
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先写个最简单的HelloWorld程序,文件名为HelloWorld.java。
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再写个META-INF/MANIFEST.MF
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再写个Makefile
JFLAGS=-bootclasspath $(PREFIX)/java/midp/classes:$(PREFIX)/java/cdc/btclasses
.SUFFIXES: .class .java
.java.class:
javac $(JFLAGS) $<
all: HelloWorld.class
zip HelloWorld.jar HelloWorld.class META-INF/MANIFEST.MF
clean:
rm -f *.class *.jar
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修改DirectFB的配置/etc/directfbrc。
system=sdl
mode=240x320
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安装midlet
installMidlet file:////root/work/java/test/midlet/HelloWorld.jar
(好像只有绝对路径才可以)
安装之后,屏幕上会打印出该midlet的ID,在运行和卸载时需要它。
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运行midlet
runMidlet 2 HelloWorld
(这里的2就是前面安装的ID,正常的话会有图形窗口出来。)
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卸载midlet
removeMidlet 2
窗口的宽度和高度可以修改相应的constants.xml文件,在编译时该文件用来产生头文件 midp_constants_data.h。
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