android选择图片或拍照图片上传到java服务器(包括上传参数) – 应用开发 – 游戏开发者社区

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 :vipa1888@163.com<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 );

}

}

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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 :vipa1888@163.com<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();

}

}

}

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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 :vipa1888@163.com<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{

}

}

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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！

原文链接：http://blog.csdn.net/vipa1888/article/details/8213898

来源URL：http://bbs.9ria.com/thread-244869-1-1.html