リフレクション使ってNetworkManagementServiceに接続

    private void test1() {
        try {
            Class ServiceManager = Class.forName("android.os.ServiceManager");
            Method getService_method = ServiceManager.getMethod("getService", new Class[]{String.class});
            System.out.println("ServiceManager="+ServiceManager);
            System.out.println("getService_method="+getService_method);
            IBinder b = (IBinder)getService_method.invoke(null, new Object[]{"network_management"});
            System.out.println("b="+b);
            Class stub = Class.forName("android.os.INetworkManagementService$Stub");
            System.out.println("stub="+stub);
            Method asInterface_method = stub.getMethod("asInterface", new Class[]{IBinder.class});
            System.out.println("asInterface_method="+asInterface_method);
            Object nw = asInterface_method.invoke(null, new Object[] {b});
            System.out.println("nw="+nw);
            Method startTethering_method = nw.getClass().getMethod("startTethering", new Class[]{String[].class});
            System.out.println("startTethering=" + startTethering_method);
            char [] bytes = { /* ここに送りたいコマンドを バイト列で記載する */ };
            String[] param1 = {new String(bytes)};
            startTethering_method.invoke(nw, new Object[] {param1});

        } catch (Exception e) {
            e.printStackTrace();
        }
    }