/**
     * start binder monitor
     */
    private static native void start();

    /**
     * end binder monitor
     */
    private static native void end();

    /**
     * This function is not necessary!
     * If not provided, binderhack will print all the binder calls.
     * This function will be called by native-c code.
     *
     * @return HashMap<String, Set<String>>. see demo below for detail
     */
    @Keep
    private static HashMap getInterestBinders() {
        //关注IActivityManager->activityPaused
        HashMap<String, Set<String>> monitorBinderMap = new HashMap<>();
        HashSet<String> amFuncs = new HashSet<>();
        amFuncs.add("activityPaused");
        monitorBinderMap.put("android.app.IActivityManager", amFuncs);

        //关注IPackageManager->getInstalledApplications
        HashSet<String> pmFuncs = new HashSet<>();
        pmFuncs.add("getInstalledApplications");
        monitorBinderMap.put("android.content.pm.IPackageManager", pmFuncs);
        return monitorBinderMap;
    }

    /**
     *
     * @param interfaceName likely as android.content.pm.IPackageManager
     * @param funcName likely as getInstalledApplications
     * @param data see {@link android.os.IBinder}->transact(...)
     * @param reply see {@link android.os.IBinder}->transact(...)
     * @return TRUE represents you've decided to intercept the origin call.
     */
    @Keep
    private static boolean transactStart(Object interfaceName, Object funcName, Parcel data, Parcel reply) {
        Log.d("WHULZZ", String.format("transactStart %s %s", interfaceName, funcName));
        return false;
    }

    /**
     *
     * @param interfaceName likely as android.content.pm.IPackageManager
     * @param funcName likely as getInstalledApplications
     * @param data see {@link android.os.IBinder}->transact(...)
     * @param reply reply see {@link android.os.IBinder}->transact(...)
     * @param originRet this is the origin result
     * @return I advice you to use {@param originRet}
     */
    @Keep
    private static boolean transactEnd(Object interfaceName, Object funcName, Parcel data, Parcel reply, boolean originRet) {
        Log.d("WHULZZ", String.format("transactEnd %s %s", interfaceName, funcName));
        return originRet;
    }