Android基于XMPP的即时通讯2-文件传输

本文是在上一篇博文Android基于XMPP的即时通讯1-基本对话的基础上，添加新的功能，文件传输

1、初始化文件传输管理类

public static FileTransferManager getFileTransferManager() {
    if (fileManager == null) {
        ServiceDiscoveryManager sdManager = ServiceDiscoveryManager
                .getInstanceFor(connection);
        if (sdManager == null) {
            sdManager = new ServiceDiscoveryManager(connection);
        }
        sdManager.addFeature("http://jabber.org/protocol/disco#info");
        sdManager.addFeature("jabber:iq:privacy");
        FileTransferNegotiator.setServiceEnabled(connection, true);
        fileManager = new FileTransferManager(connection);
    }
    return fileManager;
}

2、监听接收文件（文件路径创建好，不然会报错），直接接收文件，没有写确认

private void addFileListerer() {
    FileTransferManager manager = XmppConnection.getFileTransferManager();
    manager.addFileTransferListener(new FileTransferListener() {
        @Override
        public void fileTransferRequest(final FileTransferRequest request) {
            new Thread() {
                @Override
                public void run() {
                    IncomingFileTransfer transfer = request.accept();
                    String fileName = transfer.getFileName();
                    // 在handler里取出来显示消息
                    String[] args = new String[] { toUserName, fileName };
                    android.os.Message msg = handler.obtainMessage();
                    msg.what = 1;
                    msg.obj = args;
                    msg.sendToTarget();

                    String save_path = Environment
                            .getExternalStorageDirectory()
                            + File.separator
                            + "XmppTest"
                            + File.separator
                            + fileName;
                    File file = new File(save_path);
                    try {
                        transfer.recieveFile(file);
                        while (!transfer.isDone()) {
                            if (transfer.getStatus().equals(FileTransfer.Status.error)) {
                                System.out.println("ERROR!!! " + transfer.getError());
                            } else {
                            }
                            try {
                                Thread.sleep(1000L);
                            } catch (Exception e) {
                            }
                        }
                    } catch (XMPPException e) {
                        e.printStackTrace();
                    }
                };
            }.start();
        }
    });
}

3、发送文件，这里发送图片测试

客户端文件发送：toId后边要加一个字符串"/Smack",发送给其他的平台要加相应的字符串；

这里手机客户端发送给Spark客户端，发送文件时toId+"/Spark"

private void getImage(){
    Intent intent = new Intent();
    intent.setType("image/*");
    intent.setAction(Intent.ACTION_GET_CONTENT);
    startActivityForResult(intent, TUPIAN_RESULT);
}

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    Uri uri = data.getData();
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = activity.managedQuery(uri, proj, null, null, null);
    int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();
    String img_path = cursor.getString(index);
    new SendFileTask().execute(img_path, toUserID);
};

class SendFileTask extends AsyncTask<String, Integer, Integer> {
    protected Integer doInBackground(String... params) {
        if (params.length < 2) {
            return Integer.valueOf(-1);
        }
        String img_path = params[0];
        String toId = params[1] + "/Spark";

        FileTransferManager fileTransferManager = XmppConnection.getFileTransferManager();
        File filetosend = new File(img_path);
        if (filetosend.exists() == false) {
            return -1;
        }
        // 在handler里取出来显示消息
        String[] args = new String[] { toUserName, img_path };
        android.os.Message msg = handler.obtainMessage();
        msg.what = 1;
        msg.obj = args;
        msg.sendToTarget();

        OutgoingFileTransfer transfer = fileTransferManager
                .createOutgoingFileTransfer(toId);// 创建一个输出文件传输对象
        try {
            transfer.sendFile(filetosend, "recv img");
            while (!transfer.isDone()) {
                if (transfer.getStatus().equals(FileTransfer.Status.error)) {
                    System.out.println("ERROR!!! " + transfer.getError());
                } else {
                }
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        } catch (XMPPException e1) {
            e1.printStackTrace();
        }
        return 0;
    }
}

源码送上：http://files.cnblogs.com/files/pear-lemon/XmppTest.zip

Android基于XMPP的即时通讯2-文件传输的相关教程结束。