Android本地图片上传(拍照+相册)
本文demo下载：wisdomdd.cn
本实例主要功能包含: android 选择照片/拍照 上传图片到服务器 源码, 图片上传过程中显示上传进度条, 包含服务器端接收文件处理的代码, 后台语言为C#, 实例下载可以直接运行
运行效果图:
Android端代码
MainActivity:
public class MainActivity extends Activity implements OnClickListener,
OnUploadProcessListener {
private static final String TAG = "uploadImage";
private File file = null;
/**
* 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;
/**
* 上传完毕
*/
private static final int UPLOAD_END_PROCESS = 6;
/***
* 这里的这个URL是我服务器的javaEE环境URL
*/
private static String requestURL = WelcomeActivity.ServerUrl
+ "ajax/admin/ProPicUpload.ashx";
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) {
uploadImageResult.setText("正在上传中...");
//progressDialog.setMessage("正在上传文件...");
//progressDialog.show();
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) // TO_SELECT_PHOTO)
{
picPath = data.getStringExtra(SelectPicActivity.KEY_PHOTO_PATH);
Log.i(TAG, "最终选择的图片1=" + picPath);
Bitmap bm = BitmapFactory.decodeFile(picPath);
imageView.setImageBitmap(bm);
// ContentResolver resolver = getContentResolver();
// Bitmap bm = MediaStore.Images.Media.getBitmap(resolver,
// data.getData());
}
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 class UpdateImageThread extends Thread {
@Override
public void run() {
toUploadFile();
}
};
private void toUploadFile() {
if (picPath != null) {
String fileKey = "Filedata";
UploadUtil uploadUtil = UploadUtil.getInstance();
uploadUtil.setOnUploadProcessListener(this); // 设置监听器监听上传状态
Map params = new HashMap();
params.put("type", "android");
//uploadUtil.uploadFile(picPath, fileKey, requestURL, params);
//uploadUtil.uploadFile(file, fileKey, requestURL, params);
try {
@SuppressWarnings("static-access")
String s = uploadUtil.uploadSubmit(requestURL, params,
new File(picPath), fileKey);
Log.e("s=", s);
//progressDialog.hide();
Message msg = Message.obtain();
msg.what = UPLOAD_END_PROCESS;
msg.obj=s;
handler.sendMessage(msg);
//UPLOAD_END_PROCESS
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
//uploadImageResult.setText("上传失败");
}
}
}
@SuppressLint("HandlerLeak")
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case TO_UPLOAD_FILE:
// toUploadFile();
new UpdateImageThread().start();
break;
case UPLOAD_INIT_PROCESS:
progressBar.setMax(msg.arg1);
break;
case UPLOAD_IN_PROCESS:
Log.e("setProgress", msg.arg1 + "%");
progressBar.setProgress(msg.arg1);
uploadImageResult.setText(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;
case UPLOAD_END_PROCESS:
uploadImageResult.setText("上传成功");
String imageUrl = msg.obj.toString();
Intent lastIntent = getIntent();
lastIntent.putExtra("url", imageUrl);
setResult(Activity.RESULT_OK, lastIntent);
finish();
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);
}
}
/**
*
* 上传工具类
*
* @author spring sky
* Email :[email protected]
* QQ: 840950105
* 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 xxx就是这里的fileKey
* @param RequestURL
* 请求的URL
*/
public void uploadFile(String filePath, String fileKey, String RequestURL,
Map 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 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 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 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 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 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 static 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 {
}
private static long totalSize = 0;
/**
* 提交参数里有文件的数据
*
* @param url
* 服务器地址
* @param param
* 参数
* @return 服务器返回结果
* @throws Exception
*/
public String uploadSubmit(String url, Map param,
File file, String fileKey) throws Exception {
HttpPost post = new HttpPost(url);
// MultipartEntity entity = new MultipartEntity();
CustomMultipartEntity entity = new CustomMultipartEntity(
new ProgressListener() {
@Override
public void transferred(long num) {
onUploadProcessListener
.onUploadProcess((int) ((num / (float)totalSize) * 100));
}
});
if (param != null && !param.isEmpty()) {
for (Map.Entry entry : param.entrySet()) {
if (entry.getValue() != null
&& entry.getValue().trim().length() > 0) {
entity.addPart(entry.getKey(),
new StringBody(entry.getValue()));
}
}
}
// 添加文件参数
if (file != null && file.exists()) {
entity.addPart(fileKey, new FileBody(file));
}
totalSize = entity.getContentLength();
post.setEntity(entity);
HttpClient httpClient = new DefaultHttpClient();
HttpResponse response = httpClient.execute(post);
int stateCode = response.getStatusLine().getStatusCode();
StringBuffer sb = new StringBuffer();
if (stateCode == HttpStatus.SC_OK) {
HttpEntity result = response.getEntity();
if (result != null) {
InputStream is = result.getContent();
BufferedReader br = new BufferedReader(
new InputStreamReader(is));
String tempLine;
while ((tempLine = br.readLine()) != null) {
sb.append(tempLine);
}
}
}
post.abort();
return sb.toString();
}
} public class ProPicUpload : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
context.Response.Charset = "utf-8";
HttpPostedFile file = context.Request.Files["Filedata"];
if (context.Request["type"] == "android")
{
if (file != null)
{
//上传图片方法就不贴了
//通过file就可以保存到服务器
context.Response.Write("/upload/" "," "文件名.jpg");
}
}
}
public bool IsReusable
{
get
{
return false;
}
}
}