Android本地圖片上傳(拍照+相簿)
本文demo下載：wisdomdd.cn
本例項主要功能包含: android 選擇照片/拍照 上傳圖片到伺服器 原始碼, 圖片上傳過程中顯示上傳進度條, 包含伺服器端接收檔案處理的程式碼, 後臺語言為C#, 例項下載可以直接執行
執行效果圖:
Android端程式碼
MainActivity:
public class MainActivity extends Activity implements OnClickListener,
OnUploadProcessListener {
private static final String TAG = "uploadImage";
private File file = null;
/**
* 去上傳檔案
*/
protected static final int TO_UPLOAD_FILE = 1;
/**
* 上傳檔案響應
*/
protected static final int UPLOAD_FILE_DONE = 2; //
/**
* 選擇檔案
*/
public static final int TO_SELECT_PHOTO = 3;
/**
* 上傳初始化
*/
private static final int UPLOAD_INIT_PROCESS = 4;
/**
* 上傳中
*/
private static final int UPLOAD_IN_PROCESS = 5;
/**
* 上傳完畢
*/
private static final int UPLOAD_END_PROCESS = 6;
/***
* 這裡的這個URL是我伺服器的javaEE環境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();
}
/**
* 初始化資料
*/
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("正在上傳中...");
//progressDialog.setMessage("正在上傳檔案...");
//progressDialog.show();
handler.sendEmptyMessage(TO_UPLOAD_FILE);
} else {
Toast.makeText(this, "上傳的檔案路徑出錯", 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, "最終選擇的圖片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);
}
/**
* 上傳伺服器響應回撥
*/
@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); // 設定監聽器監聽上傳狀態
Map<String, String> params = new HashMap<String, String>();
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("上傳失敗");
}
}
}
@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 = "響應碼：" + msg.arg1 + "\n響應資訊：" + msg.obj
+ "\n耗時：" + UploadUtil.getRequestTime() + "秒";
uploadImageResult.setText(result);
break;
case UPLOAD_END_PROCESS:
uploadImageResult.setText("上傳成功");
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);
}
}
/**
*
* 上傳工具類
*
* @author spring sky<br>
* Email :vipa1888@163.com<br>
* QQ: 840950105<br>
* 支援上傳檔案和引數
*/
public class UploadUtil {
private static UploadUtil uploadUtil;
private static final String BOUNDARY = UUID.randomUUID().toString(); // 邊界標識
// 隨機生成
private static final String PREFIX = "--";
private static final String LINE_END = "\r\n";
private static final String CONTENT_TYPE = "multipart/form-data"; // 內容型別
private UploadUtil() {
}
/**
* 單例模式獲取上傳工具類
*
* @return
*/
public static UploadUtil getInstance() {
if (null == uploadUtil) {
uploadUtil = new UploadUtil();
}
return uploadUtil;
}
private static final String TAG = "UploadUtil";
private int readTimeOut = 10 * 1000; // 讀取超時
private int connectTimeout = 10 * 1000; // 超時時間
/***
* 請求使用多長時間
*/
private static int requestTime = 0;
private static final String CHARSET = "utf-8"; // 設定編碼
/***
* 上傳成功
*/
public static final int UPLOAD_SUCCESS_CODE = 1;
/**
* 檔案不存在
*/
public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2;
/**
* 伺服器出錯
*/
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上傳檔案到伺服器
*
* @param filePath
* 需要上傳的檔案的路徑
* @param fileKey
* 在網頁上<input type=file name=xxx/> xxx就是這裡的fileKey
* @param RequestURL
* 請求的URL
*/
public void uploadFile(String filePath, String fileKey, String RequestURL,
Map<String, String> param) {
if (filePath == null) {
sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "檔案不存在");
return;
}
try {
File file = new File(filePath);
uploadFile(file, fileKey, RequestURL, param);
} catch (Exception e) {
sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "檔案不存在");
e.printStackTrace();
return;
}
}
/**
* android上傳檔案到伺服器
*
* @param file
* 需要上傳的檔案
* @param fileKey
* 在網頁上<input type=file name=xxx/> xxx就是這裡的fileKey
* @param RequestURL
* 請求的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, "檔案不存在");
return;
}
Log.i(TAG, "請求的URL=" + RequestURL);
Log.i(TAG, "請求的fileName=" + file.getName());
Log.i(TAG, "請求的fileKey=" + fileKey);
new Thread(new Runnable() { // 開啟執行緒上傳檔案
@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); // 允許輸入流
conn.setDoOutput(true); // 允許輸出流
conn.setUseCaches(false); // 不允許使用快取
conn.setRequestMethod("POST"); // 請求方式
conn.setRequestProperty("Charset", CHARSET); // 設定編碼
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");
/**
* 當檔案不為空，把檔案包裝並且上傳
*/
DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
StringBuffer sb = null;
String params = "";
/***
* 以下是用於上傳引數
*/
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();
/**
* 這裡重點注意： name裡面的值為伺服器端需要key 只有這個key 才可以得到對應的檔案
* filename是檔案的名字，包含字尾名的 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); // 這裡配置的Content-type很重要的
// ，用於伺服器端辨別檔案的型別的
sb.append(LINE_END);
params = sb.toString();
sb = null;
Log.i(TAG, file.getName() + "=" + params + "##");
dos.write(params.getBytes());
/** 上傳檔案 */
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());
/**
* 獲取響應碼 200=成功 當響應成功，獲取響應的流
*/
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, "上傳結果：" + result);
return;
} else {
Log.e(TAG, "request error");
sendMessage(UPLOAD_SERVER_ERROR_CODE, "上傳失敗：code=" + res);
return;
}
} catch (MalformedURLException e) {
sendMessage(UPLOAD_SERVER_ERROR_CODE,
"上傳失敗：error=" + e.getMessage());
e.printStackTrace();
return;
} catch (IOException e) {
sendMessage(UPLOAD_SERVER_ERROR_CODE,
"上傳失敗：error=" + e.getMessage());
e.printStackTrace();
return;
}
}
/**
* 傳送上傳結果
*
* @param responseCode
* @param responseMessage
*/
private void sendMessage(int responseCode, String responseMessage) {
onUploadProcessListener.onUploadDone(responseCode, responseMessage);
}
/**
* 下面是一個自定義的回撥函式，用到回撥上傳檔案是否完成
*
* @author shimingzheng
*
*/
public interface OnUploadProcessListener {
/**
* 上傳響應
*
* @param responseCode
* @param message
*/
void onUploadDone(int responseCode, String message);
/**
* 上傳中
*
* @param uploadSize
*/
void onUploadProcess(int uploadSize);
/**
* 準備上傳
*
* @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;
}
/**
* 獲取上傳使用的時間
*
* @return
*/
public static int getRequestTime() {
return requestTime;
}
public static interface uploadProcessListener {
}
private static long totalSize = 0;
/**
* 提交引數裡有檔案的資料
*
* @param url
* 伺服器地址
* @param param
* 引數
* @return 伺服器返回結果
* @throws Exception
*/
public String uploadSubmit(String url, Map<String, String> 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<String, String> entry : param.entrySet()) {
if (entry.getValue() != null
&& entry.getValue().trim().length() > 0) {
entity.addPart(entry.getKey(),
new StringBody(entry.getValue()));
}
}
}
// 新增檔案引數
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)
{
//上傳圖片方法就不貼了
//通過file就可以儲存到伺服器
context.Response.Write("/upload/" "," "檔名.jpg");
}
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
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