BudHook

by bmax121

bmax121 /BudHook

An Android hook framework written like Xposed,based on YAHFA.

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BudHook

BudHook add a similar Xposed api to YAHFA.
BudHook based on several projects below: * YAHFA * asmdex * TurboDex

What did it solved

When using YAHFA, every hook of a method, you have to write a method to replace it, if you want to call the original method, you must write another method to save the original method information. This is very troublesome to use. BudHook generates these methods dynamically. It is very

simple
to use.

How it works

When hooking a method, budhook will generate the two methods based on the information of the hooked method automatically, then generate the dex file, and finally load the dex file to complete the hook.

How to run this demo

  • 1.Import the project in Android Studio
    (with Instant Run disabled)
    .
  • 2.Build
    appplugin
    and then put
    appplugin-debug.apk
    into sdcard.
  • 3.Run
    app
    . ## Support Budhook adds a layer written in java for YAHFA,so BudHook supports what YAHFA support.
    Android
    5.0 - 8.1
    .
    ABI
    arm64-v8a
    ,
    armeabi-v7a
    ,
    x86
    . ## API
    It is recommended to run and read this demo first.
    There are several important classes :
  • BudHelpers
    : High-level API for convenient hook.Like
    XposedHelper
    .
  • BudBridge
    : Export two core functions for hook:
    hookMethod
    ,
    hookManyMethod
    .
  • BudCallBack
    : Provide
    beforeCall
    and
    afterCall
    for subclass overrides.Like
    XC_MethodHook
  • BudCallBack.MethodHookParams
    : Wraps information about the method call and allows to influence it.Basic types will be boxed or unboxed automatically.
    setResult
    function will prevents the call to the original method. ## Note
  • TurboDex is useful to avoid some problem that caused by optimization.
  • Notice the capacity initialized of YAHFA.
  • Get a Context when BudHook initialized only to get a ClassLoader and a place to write and read Dex file,change the source as you like.
  • Pay attention to your ClassLoader, otherwise it may cause some reflection problems.

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