Android选择图片或拍照图片上传到服务器

最近要搞一个项目，需要上传相册和拍照的图片，不负所望，终于完成了！  不过需要说明一下，其实网上很多教程拍照的图片，都是缩略图不是很清晰，所以需要在调用照相机的时候，事先生成一个地址，用于标识拍照的图片uri

具体上传代码：

1.选择图片和上传界面，包括上传完成和异常的回调监听

package com.spring.sky.image.upload; 
 
 
import java.util.hashmap; 
import java.util.map; 
 
import android.app.activity; 
import android.app.progressdialog; 
import android.content.intent; 
import android.graphics.bitmap; 
import android.graphics.bitmapfactory; 
import android.os.bundle; 
import android.os.handler; 
import android.os.message; 
import android.util.log; 
import android.view.view; 
import android.view.view.onclicklistener; 
import android.widget.button; 
import android.widget.imageview; 
import android.widget.progressbar; 
import android.widget.textview; 
import android.widget.toast; 
 
import com.spring.sky.image.upload.network.uploadutil; 
import com.spring.sky.image.upload.network.uploadutil.onuploadprocesslistener; 
/** 
 * @author spring sky<br> 
 * email :[e-mail]<br> 
 * qq: 840950105<br> 
 * 说明：主要用于选择文件和上传文件操作 
 */ 
public class mainactivity extends activity implements onclicklistener,onuploadprocesslistener{ 
 private static final string tag = "uploadimage"; 
  
 /** 
  * 去上传文件 
  */ 
 protected static final int to_upload_file = 1; 
 /** 
  * 上传文件响应 
  */ 
 protected static final int upload_file_done = 2; // 
 /** 
  * 选择文件 
  */ 
 public static final int to_select_photo = 3; 
 /** 
  * 上传初始化 
  */ 
 private static final int upload_init_process = 4; 
 /** 
  * 上传中 
  */ 
 private static final int upload_in_process = 5; 
 /*** 
  * 这里的这个url是我服务器的javaee环境url 
  */ 
 private static string requesturl = "http://192.168.10.160:8080/fileupload/p/file!upload"; 
 private button selectbutton,uploadbutton; 
 private imageview imageview; 
 private textview uploadimageresult; 
 private progressbar progressbar; 
  
 private string picpath = null; 
 private progressdialog progressdialog; 
  
 /** called when the activity is first created. */ 
 @override 
 public void oncreate(bundle savedinstancestate) { 
  super.oncreate(savedinstancestate); 
  setcontentview(r.layout.main); 
  initview(); 
 } 
  
 /** 
  * 初始化数据 
  */ 
 private void initview() { 
  selectbutton = (button) this.findviewbyid(r.id.selectimage); 
  uploadbutton = (button) this.findviewbyid(r.id.uploadimage); 
  selectbutton.setonclicklistener(this); 
  uploadbutton.setonclicklistener(this); 
  imageview = (imageview) this.findviewbyid(r.id.imageview); 
  uploadimageresult = (textview) findviewbyid(r.id.uploadimageresult); 
  progressdialog = new progressdialog(this); 
  progressbar = (progressbar) findviewbyid(r.id.progressbar1); 
 } 
 
 @override 
 public void onclick(view v) { 
  switch (v.getid()) { 
  case r.id.selectimage: 
   intent intent = new intent(this,selectpicactivity.class); 
   startactivityforresult(intent, to_select_photo); 
   break; 
  case r.id.uploadimage: 
   if(picpath!=null) 
   { 
    handler.sendemptymessage(to_upload_file); 
   }else{ 
    toast.maketext(this, "上传的文件路径出错", toast.length_long).show(); 
   } 
   break; 
  default: 
   break; 
  } 
 } 
 
 @override 
 protected void onactivityresult(int requestcode, int resultcode, intent data) { 
  if(resultcode==activity.result_ok && requestcode == to_select_photo) 
  { 
   picpath = data.getstringextra(selectpicactivity.key_photo_path); 
   log.i(tag, "最终选择的图片="+picpath); 
   bitmap bm = bitmapfactory.decodefile(picpath); 
   imageview.setimagebitmap(bm); 
  } 
  super.onactivityresult(requestcode, resultcode, data); 
 } 
  
 
 /** 
  * 上传服务器响应回调 
  */ 
 @override 
 public void onuploaddone(int responsecode, string message) { 
  progressdialog.dismiss(); 
  message msg = message.obtain(); 
  msg.what = upload_file_done; 
  msg.arg1 = responsecode; 
  msg.obj = message; 
  handler.sendmessage(msg); 
 } 
  
 private void touploadfile() 
 { 
  uploadimageresult.settext("正在上传中..."); 
  progressdialog.setmessage("正在上传文件..."); 
  progressdialog.show(); 
  string filekey = "pic"; 
  uploadutil uploadutil = uploadutil.getinstance();; 
  uploadutil.setonuploadprocesslistener(this); //设置监听器监听上传状态 
   
  map<string, string> params = new hashmap<string, string>(); 
  params.put("orderid", "11111"); 
  uploadutil.uploadfile( picpath,filekey, requesturl,params); 
 } 
  
 private handler handler = new handler(){ 
  @override 
  public void handlemessage(message msg) { 
   switch (msg.what) { 
   case to_upload_file: 
    touploadfile(); 
    break; 
    
   case upload_init_process: 
    progressbar.setmax(msg.arg1); 
    break; 
   case upload_in_process: 
    progressbar.setprogress(msg.arg1); 
    break; 
   case upload_file_done: 
    string result = "响应码："+msg.arg1+"\n响应信息："+msg.obj+"\n耗时："+uploadutil.getrequesttime()+"秒"; 
    uploadimageresult.settext(result); 
    break; 
   default: 
    break; 
   } 
   super.handlemessage(msg); 
  } 
   
 }; 
 
 @override 
 public void onuploadprocess(int uploadsize) { 
  message msg = message.obtain(); 
  msg.what = upload_in_process; 
  msg.arg1 = uploadsize; 
  handler.sendmessage(msg ); 
 } 
 
 @override 
 public void initupload(int filesize) { 
  message msg = message.obtain(); 
  msg.what = upload_init_process; 
  msg.arg1 = filesize; 
  handler.sendmessage(msg ); 
 } 
  
} 

2.选择图片界面，主要涉及两种方式：选择图片和及时拍照图片

package com.spring.sky.image.upload; 
 
import android.app.activity; 
import android.content.contentvalues; 
import android.content.intent; 
import android.database.cursor; 
import android.net.uri; 
import android.os.bundle; 
import android.os.environment; 
import android.provider.mediastore; 
import android.util.log; 
import android.view.motionevent; 
import android.view.view; 
import android.view.view.onclicklistener; 
import android.widget.button; 
import android.widget.linearlayout; 
import android.widget.toast; 
 
/** 
 * @author spring sky<br> 
 * email :[e-mail]<br> 
 * qq: 840950105<br> 
 * @version 创建时间：2012-11-22 上午9:20:03 
 * 说明：主要用于选择文件操作 
 */ 
 
public class selectpicactivity extends activity implements onclicklistener{ 
 
 /*** 
  * 使用照相机拍照获取图片 
  */ 
 public static final int select_pic_by_tack_photo = 1; 
 /*** 
  * 使用相册中的图片 
  */ 
 public static final int select_pic_by_pick_photo = 2; 
  
 /*** 
  * 从intent获取图片路径的key 
  */ 
 public static final string key_photo_path = "photo_path"; 
  
 private static final string tag = "selectpicactivity"; 
  
 private linearlayout dialoglayout; 
 private button takephotobtn,pickphotobtn,cancelbtn; 
 
 /**获取到的图片路径*/ 
 private string picpath; 
  
 private intent lastintent ; 
  
 private uri photouri; 
 @override 
 protected void oncreate(bundle savedinstancestate) { 
  super.oncreate(savedinstancestate); 
  setcontentview(r.layout.select_pic_layout); 
  initview(); 
 } 
 /** 
  * 初始化加载view 
  */ 
 private void initview() { 
  dialoglayout = (linearlayout) findviewbyid(r.id.dialog_layout); 
  dialoglayout.setonclicklistener(this); 
  takephotobtn = (button) findviewbyid(r.id.btn_take_photo); 
  takephotobtn.setonclicklistener(this); 
  pickphotobtn = (button) findviewbyid(r.id.btn_pick_photo); 
  pickphotobtn.setonclicklistener(this); 
  cancelbtn = (button) findviewbyid(r.id.btn_cancel); 
  cancelbtn.setonclicklistener(this); 
   
  lastintent = getintent(); 
 } 
 
 @override 
 public void onclick(view v) { 
  switch (v.getid()) { 
  case r.id.dialog_layout: 
   finish(); 
   break; 
  case r.id.btn_take_photo: 
   takephoto(); 
   break; 
  case r.id.btn_pick_photo: 
   pickphoto(); 
   break; 
  default: 
   finish(); 
   break; 
  } 
 } 
 
 /** 
  * 拍照获取图片 
  */ 
 private void takephoto() { 
  //执行拍照前，应该先判断sd卡是否存在 
  string sdstate = environment.getexternalstoragestate(); 
  if(sdstate.equals(environment.media_mounted)) 
  { 
    
   intent intent = new intent(mediastore.action_image_capture);//"android.media.action.image_capture" 
   /*** 
    * 需要说明一下，以下操作使用照相机拍照，拍照后的图片会存放在相册中的 
    * 这里使用的这种方式有一个好处就是获取的图片是拍照后的原图 
    * 如果不实用contentvalues存放照片路径的话，拍照后获取的图片为缩略图不清晰 
    */ 
   contentvalues values = new contentvalues(); 
   photouri = this.getcontentresolver().insert(mediastore.images.media.external_content_uri, values); 
   intent.putextra(android.provider.mediastore.extra_output, photouri); 
   /**-----------------*/ 
   startactivityforresult(intent, select_pic_by_tack_photo); 
  }else{ 
   toast.maketext(this,"内存卡不存在", toast.length_long).show(); 
  } 
 } 
 
 /*** 
  * 从相册中取图片 
  */ 
 private void pickphoto() { 
  intent intent = new intent(); 
  intent.settype("image/*"); 
  intent.setaction(intent.action_get_content); 
  startactivityforresult(intent, select_pic_by_pick_photo); 
 } 
  
 @override 
 public boolean ontouchevent(motionevent event) { 
  finish(); 
  return super.ontouchevent(event); 
 } 
  
  
 @override 
 protected void onactivityresult(int requestcode, int resultcode, intent data) { 
  if(resultcode == activity.result_ok) 
  { 
   dophoto(requestcode,data); 
  } 
  super.onactivityresult(requestcode, resultcode, data); 
 } 
  
 /** 
  * 选择图片后，获取图片的路径 
  * @param requestcode 
  * @param data 
  */ 
 private void dophoto(int requestcode,intent data) 
 { 
  if(requestcode == select_pic_by_pick_photo ) //从相册取图片，有些手机有异常情况，请注意 
  { 
   if(data == null) 
   { 
    toast.maketext(this, "选择图片文件出错", toast.length_long).show(); 
    return; 
   } 
   photouri = data.getdata(); 
   if(photouri == null ) 
   { 
    toast.maketext(this, "选择图片文件出错", toast.length_long).show(); 
    return; 
   } 
  } 
  string[] pojo = {mediastore.images.media.data}; 
  cursor cursor = managedquery(photouri, pojo, null, null,null);  
  if(cursor != null ) 
  { 
   int columnindex = cursor.getcolumnindexorthrow(pojo[0]); 
   cursor.movetofirst(); 
   picpath = cursor.getstring(columnindex); 
   cursor.close(); 
  } 
  log.i(tag, "imagepath = "+picpath); 
  if(picpath != null && ( picpath.endswith(".png") || picpath.endswith(".png") ||picpath.endswith(".jpg") ||picpath.endswith(".jpg") )) 
  { 
   lastintent.putextra(key_photo_path, picpath); 
   setresult(activity.result_ok, lastintent); 
   finish(); 
  }else{ 
   toast.maketext(this, "选择图片文件不正确", toast.length_long).show(); 
  } 
 } 
} 

3. 上传工具类，主要实现了图片的上传，上传过程的初始化监听和上传完成的监听，还有上传耗时的计算

package com.spring.sky.image.upload.network; 
 
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.util.log; 
 
/** 
 * 
 * 上传工具类 
 * @author spring sky<br> 
 * email :[e-mail]<br> 
 * qq: 840950105<br> 
 * 支持上传文件和参数 
 */ 
public class uploadutil { 
 private static uploadutil 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 uploadutil() { 
 
 } 
 
 /** 
  * 单例模式获取上传工具类 
  * @return 
  */ 
 public static uploadutil getinstance() { 
  if (null == uploadutil) { 
   uploadutil = new uploadutil(); 
  } 
  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<input type=file name=xxx/> xxx就是这里的filekey 
  * @param requesturl 
  *   请求的url 
  */ 
 public void uploadfile(string filepath, string filekey, string requesturl, 
   map<string, 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<input type=file name=xxx/> 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, 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, 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("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<string> 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/pjpeg" + 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(line_end); 
   params = sb.tostring(); 
   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 
    */ 
   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); 
    sendmessage(upload_success_code, "上传结果：" 
      + result); 
    return; 
   } else { 
    log.e(tag, "request error"); 
    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; 
  } 
 } 
 
 /** 
  * 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{ 
   
 } 
  
  
  
  
} 

以上代码，我就不详细讲解原理，相关难点注释已经写得很清楚了！分享出来，和大家一起学习！

相关服务器端代码和客户端下载：
android客户端下载
javaee服务器端

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。