金魚人備忘錄: [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

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

<?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=""

        android:id="@+id/messageText"

        android:textColor="#000000"

        android:textStyle="bold"

    />

 </LinearLayout>

Server端：

1. 新增一個PHP檔到你的Server

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2014/07/13

[Android] 上傳照片至PHP server