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Cydia Substrate demo, hook getExternalStorageState, always return MOUNTED status.

Java 100.00%

cydia-android-hook's Introduction

CydiaHook

==========

利用Cydia Substrate SDK 开发,可以HOOK java层或NATIVE层 API接口。

本代码功能

写代码的初衷是因为有个app,需要保存数据到SD卡上,并且app里面有判断SD挂载的状态。没有SD卡,会造成程序逻辑有问题,很多功能无法正常使用,而我的手机没有装SD卡。

另外这种HOOK方式也有助于调试程序,不必因为修改ROM底层,而引起手机变砖,简便好用,目前Cydia Substrate在某些手机中可能会有不稳定的情况,我测试的机型是ZTE U969,还找不到相关ROM。

  • HOOK android.os.Environment.getExternalStorageState(),强制返回,已挂在状态。
  • 执行mount bind 挂载可以读写目录到 SD卡的路径,每个终端方案商的挂载点都可能不同,请根据自己的情况,修改成正确的挂载点路径。
  • 可以根据自身需要,修改挂载实现函数,可以HOOK framework中的任何API。在Main.java里,比如IMEI,GPS模拟等等。

准备工作

  • ROOT过的手机一部,没有ROOT的,请自行搜索方法。
  • Eclipse 上安装 Android Substrate SDK,参考:
    http://www.cydiasubstrate.com/id/73e45fe5-4525-4de7-ac14-6016652cc1b8/
  • 手机端去Google Play 下载安装 Cydia Substrate
  • Eclipse 导入本代码,编译后安装到手机。
  • 手机上运行Substrate,界面上点击“Link Substrate Files”,再点击 “Restart System(Soft)”
  • 通过CydiaHook,查看挂载路径和状态。

参考官方的入门教程 VioletExample:
http://www.cydiasubstrate.com/id/20cf4700-6379-4a14-9bc2-853fde8cc9d1/

======= cydia-android-hook

Cydia Substrate demo, hook getExternalStorageState, always return MOUNTED status.

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