android handle 消息发送和接受！！！！！

关于消息的使用，下面的博客讲的比较详细。

https://www.cnblogs.com/Quejamais/p/5650666.html

package com.common;
        import java.io.DataInputStream;
        import java.io.DataOutputStream;
        import java.io.File;
        import java.io.FileInputStream;
        import java.io.IOException;
        import java.io.InputStream;
        import java.net.HttpURLConnection;
        import java.net.MalformedURLException;
        import java.net.URL;
        import java.util.Iterator;
        import java.util.Map;
        import java.util.UUID;

        import android.os.Environment;
        import android.os.Handler;
        import android.os.Message;
        import android.util.Log;
 
public class UploadUtil1 {
    private  Handler myHandle;
    private static UploadUtil1 uploadUtil;
    private static final String BOUNDARY =  UUID.randomUUID().toString(); // 边界标识 随机生成
    private static final String PREFIX = "--";
    private static final String LINE_END = "\r\n";
    private static final String CONTENT_TYPE = "multipart/form-data"; // 内容类型
    private UploadUtil1() {

    }

    /**
     * 单例模式获取上传工具类
     * @return
     */
    public static UploadUtil1 getInstance() {
        if (null == uploadUtil) {
            uploadUtil = new UploadUtil1();
        }
        return uploadUtil;
    }

    private static final String TAG = "UploadUtil";
    private int readTimeOut = 10 * 1000; // 读取超时
    private int connectTimeout = 10 * 1000; // 超时时间
    /***
     * 请求使用多长时间
     */
    private static int requestTime = 0;

    private static final String CHARSET = "utf-8"; // 设置编码

    /***
     * 上传成功
     */
    public static final int UPLOAD_SUCCESS_CODE = 1;
    /**
     * 文件不存在
     */
    public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2;
    /**
     * 服务器出错
     */
    public static final int UPLOAD_SERVER_ERROR_CODE = 3;
    protected static final int WHAT_TO_UPLOAD = 1;
    protected static final int WHAT_UPLOAD_DONE = 2;

    /**
     * android上传文件到服务器
     *
     * @param filePath
     *            需要上传的文件的路径
     * @param fileKey
     *            在网页上 xxx就是这里的fileKey
     * @param RequestURL
     *            请求的URL
     */
    public void uploadFile(String filePath, String fileKey, String RequestURL,
                           Map, String> param) {
        if (filePath == null) {
            sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"文件不存在");
            return;
        }
        try {
            File file = new File(filePath);
            uploadFile(file, fileKey, RequestURL, param);
        } catch (Exception e) {
            sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"文件不存在");
            e.printStackTrace();
            return;
        }
    }

    /**
     * android上传文件到服务器
     *
     * @param file
     *            需要上传的文件
     * @param fileKey
     *            在网页上 xxx就是这里的fileKey
     * @param RequestURL
     *            请求的URL
     */
    public void uploadFile(final File file, final String fileKey,
                           final String RequestURL, final Map, String> param) {
        if (file == null || (!file.exists())) {
            sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"文件不存在");
            return;
        }

        Log.i(TAG, "请求的URL=" + RequestURL);
        Log.i(TAG, "请求的fileName=" + file.getName());
        Log.i(TAG, "请求的fileKey=" + fileKey);
        new Thread(new Runnable() {  //开启线程上传文件
            @Override
            public void run() {
                toUploadFile(file, fileKey, RequestURL, param);
            }
        }).start();

    }

    private void toUploadFile(File file, String fileKey, String RequestURL,
                              Map, String> param) {
        String result = null;
        requestTime= 0;

        long requestTime = System.currentTimeMillis();
        long responseTime = 0;

        try {
            URL url = new URL(RequestURL);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setReadTimeout(readTimeOut);
            conn.setConnectTimeout(connectTimeout);
            conn.setDoInput(true); // 允许输入流
            conn.setDoOutput(true); // 允许输出流
            conn.setUseCaches(false); // 不允许使用缓存
            conn.setRequestMethod("POST"); // 请求方式
            conn.setRequestProperty("Charset", CHARSET); // 设置编码
            conn.setRequestProperty("connection", "keep-alive");
           // conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
            conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
            //conn.setRequestProperty("ENCTYPE", "multipart/form-data");

//          conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            /**
             * 当文件不为空，把文件包装并且上传
             */
            DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
            StringBuffer sb = null;
            String params = "";

            /***
             * 以下是用于上传参数
             */
            if (param != null && param.size() > 0) {
                Iterator it = param.keySet().iterator();
                while (it.hasNext()) {
                    sb = null;
                    sb = new StringBuffer();
                    String key = it.next();
                    String value = param.get(key);
                    sb.append(PREFIX).append(BOUNDARY).append(LINE_END);
                    sb.append("Content-Disposition: form-data; name=\"").append(key).append("\"").append(LINE_END).append(LINE_END);
                    sb.append(value).append(LINE_END);
                    params = sb.toString();
                    Log.i(TAG, key+"="+params+"##");
                    dos.write(params.getBytes());
                  //  dos.flush();
                }
            }

            sb = null;
            params = null;
            sb = new StringBuffer();
            /**
             * 这里重点注意： name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件
             * filename是文件的名字，包含后缀名的 比如:abc.png
             */
            sb.append(PREFIX).append(BOUNDARY).append(LINE_END);
            sb.append("Content-Disposition:form-data; name=\"" + fileKey
                    + "\"; filename=\"" + file.getName() + "\"" + LINE_END);
            sb.append("Content-Type:image/jpeg" + LINE_END); // 这里配置的Content-type很重要的 ，用于服务器端辨别文件的类型的
           // sb.append("Content-Type: application/octet-stream; charset="+CHARSET+LINE_END);
            sb.append(LINE_END);
            params = sb.toString();

            Log.d(TAG, "toUploadFile: ************----------------------->>>     "+params);
            sb = null;

            Log.i(TAG, file.getName()+"=" + params+"##");
            dos.write(params.getBytes());
            /**上传文件*/
            InputStream is = new FileInputStream(file);
//            onUploadProcessListener.initUpload((int)file.length());
            byte[] bytes = new byte[1024];
            int len = 0;
            int curLen = 0;
            while ((len = is.read(bytes)) != -1) {
                curLen += len;
                dos.write(bytes, 0, len);
              //  onUploadProcessListener.onUploadProcess(curLen);
            }
            is.close();

            dos.write(LINE_END.getBytes());
            byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
            dos.write(end_data);
            dos.flush();
//
//          dos.write(tempOutputStream.toByteArray());
            /**
             * 获取响应码 200=成功 当响应成功，获取响应的流
             */
            Log.d(TAG, "toUploadFile: method "+conn.getRequestMethod());
            int res = conn.getResponseCode();
            responseTime = System.currentTimeMillis();
            this.requestTime = (int) ((responseTime-requestTime)/1000);
            Log.e(TAG, "response code:" + res);
            if (res == 200) {
                Log.e(TAG, "request success");
                InputStream input = conn.getInputStream();
                StringBuffer sb1 = new StringBuffer();
                int ss;
                while ((ss = input.read()) != -1) {
                    sb1.append((char) ss);
                }
                result = sb1.toString();
                Log.e(TAG, "result : " + result);
                Message msg=new Message();
                msg.arg1=0;
                msg.arg2=2;
                msg.what=3;
               // msg.obj=
                myHandle.sendMessage(msg);
                sendMessage(UPLOAD_SUCCESS_CODE, "上传结果："
                        + result);
                return;
            } else {
                Log.e(TAG, "request error");
                Message msg=new Message();
                msg.arg1=1;
                msg.arg2=2;
                msg.what=3;
                // msg.obj=
                myHandle.sendMessage(msg);

                sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败：code=" + res);
                return;
            }
        } catch (MalformedURLException e) {
            sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败：error=" + e.getMessage());
            e.printStackTrace();
            return;
        } catch (IOException e) {
            sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败：error=" + e.getMessage());
            e.printStackTrace();
            return;
        }
    }

    public   void SetHandle(Handler handler){
        myHandle = handler;
    }
    /**
     * 发送上传结果
     * @param responseCode
     * @param responseMessage
     */
    private void sendMessage(int responseCode,String responseMessage)
    {
//        onUploadProcessListener.onUploadDone(responseCode, responseMessage);
    }

    /**
     * 下面是一个自定义的回调函数，用到回调上传文件是否完成
     *
     * @author shimingzheng
     *
     */
    public static interface OnUploadProcessListener {
        /**
         * 上传响应
         * @param responseCode
         * @param message
         */
        void onUploadDone(int responseCode, String message);
        /**
         * 上传中
         * @param uploadSize
         */
        void onUploadProcess(int uploadSize);
        /**
         * 准备上传
         * @param fileSize
         */
        void initUpload(int fileSize);
    }
    private OnUploadProcessListener onUploadProcessListener;



    public void setOnUploadProcessListener(
            OnUploadProcessListener onUploadProcessListener) {
        this.onUploadProcessListener = onUploadProcessListener;
    }

    public int getReadTimeOut() {
        return readTimeOut;
    }

    public void setReadTimeOut(int readTimeOut) {
        this.readTimeOut = readTimeOut;
    }

    public int getConnectTimeout() {
        return connectTimeout;
    }

    public void setConnectTimeout(int connectTimeout) {
        this.connectTimeout = connectTimeout;
    }
    /**
     * 获取上传使用的时间
     * @return
     */
    public static int getRequestTime() {
        return requestTime;
    }

    public static interface uploadProcessListener{

    }

    public void doFileUpload(String urlString,String existingFileName,String keyStr) {

        HttpURLConnection conn = null;
        //DataOutputStream dos = null;
        DataInputStream inStream = null;
        //String existingFileName = Environment.getExternalStorageDirectory().getAbsolutePath() + "/mypic.png";
        String lineEnd = "\r\n";
        String twoHyphens = "--";
        String boundary = "*****";
        int bytesRead, bytesAvailable, bufferSize;
        byte[] buffer;
        int maxBufferSize = 1 * 1024 * 1024;
        String responseFromServer = "";
       // String urlString = "http://mywebsite.com/directory/upload.php";
        Log.d(TAG, "doFileUpload: urlString:"+urlString+"   existingFileName:"+existingFileName);
        try {

            //------------------ CLIENT REQUEST
            FileInputStream fileInputStream = new FileInputStream(new File(existingFileName));
            // open a URL connection to the Servlet
            URL url = new URL(urlString);
            // Open a HTTP connection to the URL
            conn = (HttpURLConnection) url.openConnection();
            // Allow Inputs
            conn.setDoInput(true);
            // Allow Outputs
            conn.setDoOutput(true);
            // Don't use a cached copy.
            conn.setUseCaches(false);
            // Use a post method.
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Charset", "utf-8");
            conn.setRequestProperty("Connection", "Keep-Alive");
            conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
           // dos = new DataOutputStream(conn.getOutputStream());
            Log.d(TAG, "doFileUpload: ********  1");
            DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
            Log.d(TAG, "doFileUpload: ********  2");
            dos.writeBytes(twoHyphens + boundary + lineEnd);
            dos.writeBytes("Content-Disposition: form-data; name=\"file\";filename=\"" + existingFileName + "\"" + lineEnd);
            dos.writeBytes(lineEnd);
            // create a buffer of maximum size
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            buffer = new byte[bufferSize];
            // read file and write it into form...
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);

            while (bytesRead > 0) {

                dos.write(buffer, 0, bufferSize);
                bytesAvailable = fileInputStream.available();
                bufferSize = Math.min(bytesAvailable, maxBufferSize);
                bytesRead = fileInputStream.read(buffer, 0, bufferSize);

            }

            // send multipart form data necesssary after file data...
            dos.writeBytes(lineEnd);
            dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
            // close streams
            Log.e("Debug", "File is written");
            fileInputStream.close();
            dos.flush();
            dos.close();

        } catch (MalformedURLException ex) {
            Log.e("Debug", "error: " + ex.getMessage(), ex);
        } catch (IOException ioe) {
            Log.e("Debug", "error: " + ioe.getMessage(), ioe);
        }

        //------------------ read the SERVER RESPONSE
        try {

            inStream = new DataInputStream(conn.getInputStream());
            String str;

            while ((str = inStream.readLine()) != null) {

                Log.e("Debug", "Server Response " + str);

            }

            inStream.close();

        } catch (IOException ioex) {
            Log.e("Debug", "error: " + ioex.getMessage(), ioex);
        }
    }

}

uploadUtil.SetHandle(handler); //用来设置消息 

package com.example.suzyulin.emergency;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.common.AppData;
import com.common.UploadUtil1;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Map;

public class UploadFileActivity extends AppCompatActivity {
    private static final String TAG = "UploadFileActivity";
    ImageView imageViewResult ;
    TextView  tvUploadStatus;
    Button    btnReturn;

    // handler对象，用来接收消息~
    private Handler handler = new Handler() {
        @Override
        public void handleMessage(android.os.Message msg) {  //这个是发送过来的消息
            // 处理从子线程发送过来的消息
            int arg1 = msg.arg1;  //获取消息携带的属性值
            int arg2 = msg.arg2;
            int what = msg.what;
            // Object result = msg.obj;
            //  Log.d(TAG, "handleMessage: "+result);
            System.out.println("-arg1--->>" + arg1);
            System.out.println("-arg2--->>" + arg2);
            System.out.println("-what--->>" + what);
            Bundle bundle = msg.getData(); // 用来获取消息里面的bundle数据
//                         System.out.println("-getData--->>"
//                                         + bundle.getStringArray("strs").length);
           // btnReturn.setEnabled(true);
            switch (arg1){
                case 0:
                    tvUploadStatus.setText("Upload OK");
                    tvUploadStatus.setTextColor(Color.rgb(0, 255, 0));
                    handlerUpdateUI.removeMessages(0);
                   // tvUploadStatus.setText("Upload OK");
                    //PhotoResult.setImageBitmap(FlexBitmap);
                    break;
                case 1:
                    tvUploadStatus.setText("Upload Fail");
                    tvUploadStatus.setTextColor(Color.rgb(255, 0, 0));
                    handlerUpdateUI.removeMessages(0);
                    //tvUploadStatus.setText("Upload Fail");
                    break;

            }
        };
    }; 

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_upload_file);

        Log.d(TAG, "onCreate: delay 获取图片文件名 :"+AppData.getPhotoFileName(this));
        imageViewResult = (ImageView)findViewById(R.id.ivCameraResult);
        btnReturn       = (Button)findViewById(R.id.btnReturn);
        tvUploadStatus  = (TextView)findViewById(R.id.tvUploadStatus); 
    }

    public void onClick(View view) {
        System.out.println("onClick按钮被点击*********************！");
        Intent intent = null;
        switch (view.getId()){
            case R.id.btnReturn:
                try { 

                      UploadFile();

} catch (Exception e) { Log. d( TAG , "onClick: ButtonCamera Erro "+e.getMessage()) ; } break; default: break; } } public static Bitmap getLoacalBitmap(String url) { try { FileInputStream fis = new FileInputStream(url) ; return BitmapFactory. decodeStream(fis) ; } catch (FileNotFoundException e) { e.printStackTrace() ; Log. d( TAG , "getLoacalBitmap: ---------> "+e.getMessage()) ; return null; } } private void UploadFile(){ System. out.println( "用户点击了上传按钮") ; String PhotoFileName = AppData. getPhotoFileName( this) ; String UploadAddress = AppData. getUploadAddress( this) ; String DoorID = AppData. getBarcode( this) ; String doorStatus = AppData. getDoorStauts( this) ; File file = new File(PhotoFileName) ; String fileKey = "file" ; UploadUtil1 uploadUtil = UploadUtil1. getInstance() ; uploadUtil.SetHandle( handler) ; Map, String> params = new HashMap, String>() ; params.put( "barcode" , DoorID) ; params.put( "user" , AppData. getloginUser( this)) ; params.put( "status" , doorStatus) ; uploadUtil.uploadFile( file ,fileKey , UploadAddress ,params) ; //( file,fileKey, UploadImageURL,params); tvUploadStatus.setText( "Uploading") ; }}