编译android系统apk
1、设置环境
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export android_home=/home/administrator/soft/android
export path=$path:$android_home/out/host/linux-x86/bin
export android_product_out=$android_home/out/target/product/generic
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2、创建项目
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android create project -t 1 -k com.lhw.led -a mainactivity -p ./led
avd id: 1，it's get by command "android list"
project name: led
package: com.lhw.led
main activity:mainactivity
project path: ./
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接下来就是自己编写android程序了。
3、编写android.mk
android.mk需要放在项目根路径下，即led下,内容：
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local_path := $(call my-dir)
include $(clear_vars)
local_src_files := $(call all-subdir-java-files)
local_package_name := led
local_java_libraries :=
local_static_java_libraries :=
include $(build_package)
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4、编译
在android源码目录下执行：
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./build/envsetup.sh
mmm /home/administrator/workspace/android_test/led/
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执行结果：
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install: out/target/product/generic/system/app/led.apk
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编译android系统可执行命令
android系统允许开发者，自己编写"ls"这样的命令放到android系统中。
1、编写c文件:mycmd.c
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#include <stdio.h>
int main(int argc, char **argv)
{
printf("this is my command!\n");
return 0;
}
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2、编写android.mk文件
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local_path := $(call my-dir)
local_src_files := mycmd.c
local_module := mycmd
local_module_tags := mycmd
local_shared_libraries := libc
local_static_libraries :=
include $(build_executable)
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3、编译
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mmm /home/administrator/workspace/android_test/mycmd/
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编译完成后信息：
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install: out/target/product/generic/system/bin/mycmd
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