2014/07/13

[Android] 上傳照片至PHP server



1. 先在Manifest.xml加上

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<uses-permission android:name="android.permission.INTERNET"/>

2. 創建一個Activity:UploadFile.java

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package com.example.photothrow1;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
  
public class FileUpload extends Activity implements OnClickListener{
     
    private TextView messageText;
    private Button uploadButton, btnselectpic;
    private ImageView imageview;
    private int serverResponseCode = 0;
    private ProgressDialog dialog = null;
        
    private String upLoadServerUri = null;
    private String imagepath=null;
    @Override
    public void onCreate(Bundle savedInstanceState) {
         
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_file_upload);
          
        uploadButton = (Button)findViewById(R.id.uploadButton);
        messageText  = (TextView)findViewById(R.id.messageText);
        btnselectpic = (Button)findViewById(R.id.button_selectpic);
        imageview = (ImageView)findViewById(R.id.imageView_pic);
         
        btnselectpic.setOnClickListener(this);
        uploadButton.setOnClickListener(this);
        upLoadServerUri = "http://你的IP地址/UploadToServer.php";
    }
      
     
    @Override
    public void onClick(View arg0) {
        if(arg0==btnselectpic)
        {
            Intent intent = new Intent();
            intent.setType("image/*");
            intent.setAction(Intent.ACTION_GET_CONTENT);
            startActivityForResult(Intent.createChooser(intent, "Complete action using"), 1);
        }
        else if (arg0==uploadButton) {
             
             dialog = ProgressDialog.show(FileUpload.this, "", "Uploading file...", true);
             messageText.setText("uploading started.....");
             new Thread(new Runnable() {
                 public void run() {
                                      
                      uploadFile(imagepath);
                                               
                 }
               }).start();    
        }
         
    }
     
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         
        if (requestCode == 1 && resultCode == RESULT_OK) {
            //Bitmap photo = (Bitmap) data.getData().getPath();
           
            Uri selectedImageUri = data.getData();
            imagepath = getPath(selectedImageUri);
            Bitmap bitmap=BitmapFactory.decodeFile(imagepath);
            imageview.setImageBitmap(bitmap);
            messageText.setText("Uploading file path:" +imagepath);
             
        }
    }
         public String getPath(Uri uri) {
                String[] projection = { MediaStore.Images.Media.DATA };
                Cursor cursor = managedQuery(uri, projection, null, null, null);
                int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
                cursor.moveToFirst();
                return cursor.getString(column_index);
            }
         
    public int uploadFile(String sourceFileUri) {
           
           
          String fileName = sourceFileUri;
  
          HttpURLConnection conn = null;
          DataOutputStream dos = null
          String lineEnd = "\r\n";
          String twoHyphens = "--";
          String boundary = "*****";
          int bytesRead, bytesAvailable, bufferSize;
          byte[] buffer;
          int maxBufferSize = 1 * 1024 * 1024;
          File sourceFile = new File(sourceFileUri);
           
          if (!sourceFile.isFile()) {
               
               dialog.dismiss();
                
               Log.e("uploadFile", "Source File not exist :"+imagepath);
                
               runOnUiThread(new Runnable() {
                   public void run() {
                       messageText.setText("Source File not exist :"+ imagepath);
                   }
               });
                
               return 0;
            
          }
          else
          {
               try {
                    
                     // open a URL connection to the Servlet
                   FileInputStream fileInputStream = new FileInputStream(sourceFile);
                   URL url = new URL(upLoadServerUri);
                    
                   // Open a HTTP  connection to  the URL
                   conn = (HttpURLConnection) url.openConnection();
                   conn.setDoInput(true); // Allow Inputs
                   conn.setDoOutput(true); // Allow Outputs
                   conn.setUseCaches(false); // Don't use a Cached Copy
                   conn.setRequestMethod("POST");
                   conn.setRequestProperty("Connection", "Keep-Alive");
                   conn.setRequestProperty("ENCTYPE", "multipart/form-data");
                   conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
                   conn.setRequestProperty("uploaded_file", fileName);
                    
                   dos = new DataOutputStream(conn.getOutputStream());
          
                   dos.writeBytes(twoHyphens + boundary + lineEnd);
                   dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\""
                                             + fileName + "\"" + 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);
          
                   // Responses from the server (code and message)
                   serverResponseCode = conn.getResponseCode();
                   String serverResponseMessage = conn.getResponseMessage();
                     
                   Log.i("uploadFile", "HTTP Response is : "
                           + serverResponseMessage + ": " + serverResponseCode);
                    
                   if(serverResponseCode == 200){
                        
                       runOnUiThread(new Runnable() {
                            public void run() {
                                String msg = "File Upload Completed.\n\n See uploaded file your server. \n\n";
                                messageText.setText(msg);
                                Toast.makeText(FileUpload.this, "File Upload Complete.", Toast.LENGTH_SHORT).show();
                            }
                        });               
                   }   
                    
                   //close the streams //
                   fileInputStream.close();
                   dos.flush();
                   dos.close();
                     
              } catch (MalformedURLException ex) {
                   
                  dialog.dismiss(); 
                  ex.printStackTrace();
                   
                  runOnUiThread(new Runnable() {
                      public void run() {
                          messageText.setText("MalformedURLException Exception : check script url.");
                          Toast.makeText(FileUpload.this, "MalformedURLException", Toast.LENGTH_SHORT).show();
                      }
                  });
                   
                  Log.e("Upload file to server", "error: " + ex.getMessage(), ex); 
              } catch (Exception e) {
                   
                  dialog.dismiss(); 
                  e.printStackTrace();
                   
                  runOnUiThread(new Runnable() {
                      public void run() {
                          messageText.setText("Got Exception : see logcat ");
                          Toast.makeText(FileUpload.this, "Got Exception : see logcat ", Toast.LENGTH_SHORT).show();
                      }
                  });
                  Log.e("Upload file to server Exception", "Exception : "  + e.getMessage(), e); 
              }
              dialog.dismiss();      
              return serverResponseCode;
               
           } // End else block
         }
     
}

3. layout.xml

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<?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"
    >
    <ImageView
        android:id="@+id/imageView_pic"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_gravity="center"
        android:src="@drawable/ic_launcher" />
    <Button
        android:id="@+id/button_selectpic"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Select Picture" />
    <Button
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Click To Upload File"
        android:id="@+id/uploadButton"
    />
       
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text=