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对刷机包的system.img修改,然后重新打包 spread retract

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README.md

HowToModifySystemImage

对刷机包的system.img修改,然后重新打包 资源链接:https://gitee.com/chenjimcom/HowToModifySystemImage

1. 准备工作:

  • 解压解打包工具,得到三个文件:make_ext4fs、mkuserimg.sh、simg2img,
  • 把它们跟要修改的 .img.ext4(或.img)文件放置到同一个目录下

2. 转换源文件为"*.img.ext4"格式

使用./simg2img src des命令来转换,eg:
./simg2img system.img system.img.ext4

3. 挂载镜像

新建一个目录,挂载此img到这个目录上使用
sudo mkdir sysmain
mount -t ext4 -o loop system.img.ext4 sysmain

挂载成功后就可以在资源管理器中管理该img内的文件

4. 修改镜像内容

5. 重新打包

chmod 777 ./make_ext4fs ./make_ext4fs -l 1610612736 -s -a system system_out.img ./sysmain
其中1610612736 是分区大小

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