Multithreading in android

RunnableAndroid.java

    public static void start(int streamingMode) {
        new Thread(new GproxyStart(streamingMode)).start();
    }

    private static class GproxyStart implements Runnable {
        int streamingMode;

        public GproxyStart(int streamingMode) {
            this.streamingMode = streamingMode;
        }

        public void run() {
            String gproxy_path;
            if (streamingMode == VideoStreaming.GB_E_MODE) {
                gproxy_path = SX_PATH;
            } else if (streamingMode == VideoStreaming.GB_P_MODE) {
                gproxy_path = SP_PATH;
            } else {
                /* someting wrong */
                gproxy_path = SP_PATH;
            }
            int pty_pid = Utils.executeSu(gproxy_path);
            Exec.waitFor(pty_pid);
        }
    }