HookLib | functions interception library written on pure C | User Interface library

private void cghookMInstrumentation() throws Exception {

    //get mInstrumentation
    Class activityThreadClass = Class.forName("android.app.ActivityThread");
    Method currentActivityThread = activityThreadClass.getDeclaredMethod("currentActivityThread");
    currentActivityThread.setAccessible(true);
    Object sCurrentActivityThread = currentActivityThread.invoke(null);//ActivityThread instance

    Method getInstrumentation = activityThreadClass.getDeclaredMethod("getInstrumentation");
    getInstrumentation.setAccessible(true);
    Instrumentation instrumentation = (Instrumentation) getInstrumentation.invoke(sCurrentActivityThread);//Instrumentation

    Field mInstrumentationField = activityThreadClass.getDeclaredField("mInstrumentation");
    mInstrumentationField.setAccessible(true);

    Enhancer enHancer = new Enhancer();
    CglibProxy cglibProxy = new CglibProxy();
    enHancer.setSuperclass(instrumentation.getClass());
    enHancer.setCallback(cglibProxy);

    Instrumentation mInstrumentation = (Instrumentation) enHancer.create();

    //replace Instrumentation
    mInstrumentationField.set(instrumentation, mInstrumentation);
}