"Android Upload Image"

This is the main function package com.zmb.updemo;import java.io.bufferedreader;import java.io.dataoutputstream; import java.io.file;import java.io.fileinputstream;import java.io.inputstream;import  java.io.inputstreamreader;import java.io.outputstream;import java.net.httpurlconnection;import  java.net.malformedurlexception;import java.net.url;import java.util.uuid;import  org.apache.http.httpresponse;import org.apache.http.client.httpclient;import  org.apache.http.client.methods.httpget;import org.apache.http.impl.client.defaulthttpclient;import  Android.app.activity;import android.app.alertdialog;import android.content.contentresolver;import  android.content.intent;import android.database.cursor;import android.graphics.bitmap;import  android.graphics.BitmapFactory;import android.net.Uri;import android.os.AsyncTask;import  android.os.bundle;import android.provider.mediastore;import android.util.log;import android.view.menu;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;public class mainactivity  extends activity implements onclicklistener{ private button mbtnupload, Whether; private progressbar mpgbar; private textview mtvprogress; private  Button choose; private ImageView imageView; private File file;  private uploadtask uploadtask; private static final int time_out =  120*10000000;   //Timeout period  private static final String CHARSET  =  "Utf-8";  //set Encoding  private static final string requesturl= "http:// 192.168.0.164:9580/ekp/testservlet ";  private&nbsp alertdialog dialog;  @Override  protected void oncreate (bundle savedinstancestate)  {  super.oncreate (savedinstancestate);   setcontentview (R.layout.activity_main);   mBtnUpload =  (Button) Findviewbyid (r.id.uploadimage);  choose =  ( Button) Findviewbyid (r.id.selectimage),   imageview= (ImageView)  findviewbyid (R.id.imageview);   mbtnupload.setonclicklistener (This),   choose.setonclicklistener (this);   View  upview = getlayoutinflater (). Inflate (r.layout.progress_bar_item, null);   mPgBar  =  (ProgressBar) Upview.findviewbyid (r.id.pb_filebrowser_uploading);   mtvprogress =   (TextView) Upview.findviewbyid (r.id.tv_filebrowser_uploading);  whether =  (Button) Upview.findviewbyid (R.id.upload_over);   whether.setonclicklistener (this);   dialog=new  alertdialog.builder (MainActivity.this). Setview (Upview). Create (); } private class uploadtask extends  asynctask<void, integer, string>{   @Override   protected void  OnPostExecute (String result)  {   mtvprogress.settext (Result);     Whether.settext ("OK");  }   @Override   protected void onpreexecute ()  {   dialog.show ();    mtvprogress.settext ("Uploading pictures ...");    Whether.settext ("Cancel");  }   @Override   protected void onprogressupdate ( Integer... values)  {   Integer num=values[0];    Mpgbar.setprogress (num);    mtvprogress.settext ("Uploading pictures ..."  + num +  "%");   }   @Override   protected string doinbackground (void...parem)  {    string  boundary&Nbsp;=  uuid.randomuuid (). toString ();   //boundary identification     random generation     string prefix =  "--"  , LINE_END =  "\ r \ n";     string  CONTENT_TYPE =  "Multipart/form-data";    //content Type        try {    url url = new url (RequestURL);     HttpURLConnection conn =  (HttpURLConnection)  url.openconnection ();     conn.setreadtimeout (time_out);     conn.setconnecttimeout (TIME_OUT);     conn.setdoinput (TRUE);   //allow input stream     conn.setdooutput (true);  // Allow output stream     conn.setusecaches (false);   //does not allow caching      Conn.setrequestmethod ("POST"),   //request mode     conn.setrequestproperty ("Charset",  charset);   //set encoding   &Nbsp; conn.setrequestproperty ("Connection",  "keep-alive");        Conn.setrequestproperty ("Content-type", content_type +  "; boundary="  + BOUNDARY);      if (file!=null)     {     /**       *  when the file is not empty, package and upload the file       */      outputstream outputsteam=conn.getoutputstream ();           dataoutputstream dos = new dataoutputstream (OutputSteam);      stringbuffer sb = new stringbuffer ();      Sb.append (PREFIX);      sb.append (boundary);      sb.append ( Line_end);     /**      *  Here the key note:       * name.The value of the polygon is server-side required key    only this key  can get the corresponding file       *  FileName is the name of the file and contains the suffix     such as:abc.png        */           sb.append ("content-disposition: form-data;  Name=\ "img\";  filename=\ "" +file.getname () + "\" "+line_end);       sb.append (" content-type: application/octet-stream; charset= "+charset+line_end);      Sb.append (Line_end);      dos.write (Sb.tostring (). GetBytes ());     Inputstream fis = new fileinputstream (file);     long total =  fis.available ();     string totalstr = string.valueof (total);  &NBSP;&NBSP;&NBSP;LOG.D ("File Size", &NBSP;TOTALSTR);     byte[] buffer = new  byte[8192]; // 8k    int count = 0;    int length = 0;     while  ((count = fis.read (buffer))  != -1)  {      dos.write (Buffer, 0, count);     length += count;      publishprogress ((int)   (length /  (float)  total)  * 100);      //to demonstrate progress, hibernate 50 Ms      thread.sleep (;   )  }       fis.close ();     dos.write (LINE_ End.getbytes ());    byte[] end_data =  (prefix+boundary+prefix+line_end). GetBytes ();     dos.write (End_data);     dos.flush ();     /**     *  Get Response code   200= Success      *  When the response succeeds, gets the stream of the response    &nbsP;   */    int res = conn.getresponsecode ();       if (res==200)     {         return  "Upload succeeded!";     }   }  } catch  (malformedurlexception e)   {   e.printstacktrace ();  } catch  (exception e)  {    e.printstacktrace ();  }  return  "Upload failed!";  }}   @Override  public boolean oncreateoptionsmenu (menu menu)  {   // inflate the menu; this adds items to the action bar  if it is present.  getmenuinflater (). Inflate (R.menu.main, menu);   return true; }  @Override  public void onclick (view v)  {   int id=v.getid ();   switch&nBSP; (ID)  {  case R.id.selectImage:   /***    *  This is called Android built-in intent, to filter the image file   &nbsp, but also can filter other       */    intent intent = new intent ();    intent.settype ("image/*");    intent.setaction (intent.action_get_content);    //callback Image class use     Startactivityforresult (intent, result_canceled);    break;  case r.id.upload _over:   if ("OK". Equals (Whether.gettext () + "")) {    dialog.dismiss ();    }else{    uploadtask.cancel (True);     dialog.dismiss ();    }   break;  default:  /* //View here is the frame for uploading progress   Example of   //asynctask    uploadtask=new uploadtask ();    Uploadtask.execute (); */    httpClient client = new defaulthttpclient ();           httpget get = new httpget ("Http://192.168.0.164:9580/ekp/TestServlet");           try {               httpresponse response = client.execute (GET);               BufferedReader reader  = new bufferedreader (New inputstreamreader (                       response.getentity (). GetContent ()));              for  ( String s = reader.readline ();  s != null; s = reader.readline ())  {    &Nbsp;            system.out.println ("------------- -----??????");               }           } catch  (exception e)  {               e.printstacktrace ();           }   break;  } } /**  *  callback method of execution    */  @SuppressWarnings ("deprecation")   @Override  protected void onactivityresult ( Int requestcode, int resultcode, intent data)  {  if (resultCode== ACTIVITY.RESULT_OK)   {   /**    *  When the selected picture is not empty, the way to get to the picture       */   uri uri = data.getdata ();    try&nbSp {    string[] pojo = {mediastore.images.media.data};         cursor cursor = managedquery (uri, pojo, null, null , null);     if (Cursor!=null)     {      Contentresolver cr = this.getcontentresolver ();      int colunm_ Index = cursor.getcolumnindexorthrow (MediaStore.Images.Media.DATA);      Cursor.movetofirst ();      string path = cursor.getstring (Colunm_index) ;     /***      *  here to add such a judgment is mainly for the third party software selection, For example: Using a third-party file Manager, you choose the file is not necessarily a picture, so that we judge the file suffix       *  if it is a picture format, then you can          */     if (Path.endsWith ("jpg") | | Path.endswith ("PNG"))       {      file=new file (Path);       bitmap bitmap = bitmapfactory.decodestream (Cr.openinputstream (URI));       imageview.setimagebitmap (bitmap);      }    }        } catch  (exception e)  {     E.printstacktrace ();   }  }    /**   *  callback using    */  super.onactivityresult (requestcode, resultcode, data);  } }

Master configuration file

<?xml version= "1.0"  encoding= "Utf-8"? ><linearlayout xmlns:android= "http// Schemas.android.com/apk/res/android "    android:orientation=" vertical "     android:layout_width= "Fill_parent"     android:layout_height= "Fill_parent"      > <button      android:layout_width= "Fill_parent"      android:layout_height= "Wrap_content"      android:text= " Select Picture "    android:id=" @+id/selectimage "    />     <button      android:layout_width= "Fill_parent"       android:layout_height= "wrap_content"      android:text= "Upload image"      android:id= "@+id/uploadimage"     />     <imageview       andrOid:layout_width= "Wrap_content"      android:layout_height= "Wrap_content"       android:id= "@+id/imageview"     /></LinearLayout>

There is a configuration file for the progress bar

<?xml version= "1.0"  encoding= "Utf-8"? ><linearlayout xmlns:android= "http// Schemas.android.com/apk/res/android "    android:layout_width=" Match_parent "     android:layout_height= "Wrap_content"     android:paddingbottom= "@dimen/activity _vertical_margin "    android:paddingleft=" @dimen/activity_horizontal_margin "     android:paddingright= "@dimen/activity_horizontal_margin"     android:paddingtop = "@dimen/activity_vertical_margin"     android:orientation= "vertical"  >     <progressbar android:id= "@+id/pb_filebrowser_uploading"          style= "? Android:attr/progressbarstylehorizontal"      android:layout _width= "Match_parent"      android:layout_height= "Wrap_content"/>      <textview anDroid:id= "@+id/tv_filebrowser_uploading"      android:layout_width= "Match_parent"      android:layout_height= "Wrap_content"/>  <button android:id= "@+id/upload_over"      android:layout_width= "Match_parent"       android:layout_height= "Wrap_content"/></linearlayout>