这篇文章将为大家详细讲解有关Android如何实现头像上传功能，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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效果图
首先看上传图片的工具类，一点都没有少复制就可以用
**
* Created by Administrator on 2016/7/28.
* 上传图片工具类
*/
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 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 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);
}
String s = sb1.toString();
result = s;
Log.e(TAG, "result : " + result);
sendMessage(UPLOAD_SUCCESS_CODE, "上传结果："
+ result);
return;
} else {
Log.e(TAG, "request error" + res);
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 {
}
/**
* 将Bitmap转换成文件
* 保存文件
*
* @param bm
* @param fileName
* @throws IOException
*/
public static File saveFile(Bitmap bm, String path, String fileName) throws IOException {
File dirFile = new File(path);
if (!dirFile.exists()) {
dirFile.mkdir();
}
File myCaptureFile = new File(path, fileName);
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);
bos.flush();
bos.close();
return myCaptureFile;
}
} 从相册获取图片的方法
/**
* 从相册选择图片来源
*/
private void getPhoto() {
Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
"image/*");
startActivityForResult(intent, PHOTO_REQUEST);
}从系统相机拍照获取照片
/**
* 从系统相机选择图片来源
*/
private void getCamera() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// 下面这句指定调用相机拍照后的照片存储的路径
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(
Environment.getExternalStorageDirectory(), "hand.jpg")));
startActivityForResult(intent, CAMERA_REQUEST);
}调用系统裁剪工具裁剪图片
/****
* 调用系统自带切图工具对图片进行裁剪
* 微信也是
*
* @param uri
*/
private void photoClip(Uri uri) {
// 调用系统中自带的图片剪裁
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, "image/*");
// 下面这个crop=true是设置在开启的Intent中设置显示的VIEW可裁剪
intent.putExtra("crop", "true");
// aspectX aspectY 是宽高的比例
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
// outputX outputY 是裁剪图片宽高
intent.putExtra("outputX", 150);
intent.putExtra("outputY", 150);
intent.putExtra("return-data", true);
startActivityForResult(intent, PHOTO_CLIP);
}上传服务器的方法
/**
* 上传图片到服务器
*/
private void toUploadFile() {
pd = ProgressDialog.show(this, "", "正在上传文件...");
pd.show();
String fileKey = "avatarFile";
UploadUtil uploadUtil = UploadUtil.getInstance();
uploadUtil.setOnUploadProcessListener(MainActivity.this); //设置监听器监听上传状态
Map params = new HashMap();//上传map对象
params.put("userId", "");
uploadUtil.uploadFile(filepath, fileKey, "上传头像的地址", params);
Toast.makeText(this, "上传成功", Toast.LENGTH_LONG).show();
} 重新服务器响应方法
/**
* 上传服务器响应回调
*/
@Override
public void onUploadDone(int responseCode, String message) {
//上传完成响应
pd.dismiss();
Message msg = Message.obtain();
msg.what = UPLOAD_FILE_DONE;
msg.arg1 = responseCode;
msg.obj = message;
}
@Override
public void onUploadProcess(int uploadSize) {
//上传中
Message msg = Message.obtain();
msg.what = UPLOAD_IN_PROCESS;
msg.arg1 = uploadSize;
}
@Override
public void initUpload(int fileSize) {
//准备上传
Message msg = Message.obtain();
msg.what = UPLOAD_INIT_PROCESS;
msg.arg1 = fileSize;
}重写这些方法需要实现接口
public class MainActivity extends AppCompatActivity implements View.OnClickListener, UploadUtil.OnUploadProcessListener {重写onActivityResult获取数据
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case CAMERA_REQUEST:
switch (resultCode) {
case -1://-1表示拍照成功
File file = new File(Environment.getExternalStorageDirectory()
+ "/hand.jpg");//保存图片
if (file.exists()) {
//对相机拍照照片进行裁剪
photoClip(Uri.fromFile(file));
}
}
break;
case PHOTO_REQUEST://从相册取
if (data != null) {
Uri uri = data.getData();
//对相册取出照片进行裁剪
photoClip(uri);
}
break;
case PHOTO_CLIP:
//完成
if (data != null) {
Bundle extras = data.getExtras();
if (extras != null) {
Bitmap photo = extras.getParcelable("data");
try {
//获得图片路径
filepath = UploadUtil.saveFile(photo, Environment.getExternalStorageDirectory().toString(), "hand.jpg");
//上传照片
toUploadFile();
} catch (IOException e) {
e.printStackTrace();
}
//上传完成将照片写入imageview与用户进行交互
mImageView.setImageBitmap(photo);
}
}
break;
}
}关于“Android如何实现头像上传功能”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。
