Android 拍照 以及从本地选择图片 上传

activity代码

[java] view
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package com.ytint.wloaa.activity;

import java.io.BufferedOutputStream;

import java.io.DataOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.UUID;

import android.app.Activity;

import android.content.ContentResolver;

import android.content.Context;

import android.content.Intent;

import android.database.Cursor;

import android.graphics.Bitmap;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.provider.MediaStore;

import android.util.Log;

import android.view.Gravity;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.inputmethod.InputMethodManager;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.Toast;

import com.ab.activity.AbActivity;

import com.ab.view.ioc.AbIocView;

import com.ytint.wloaa.R;

import com.ytint.wloaa.app.MyApplication;

import com.ytint.wloaa.bean.URLs;

/**

* 本地上传和调用系统拍照

* @author Administrator

*

*/

public class PhotoActivity extends AbActivity implements OnClickListener{

private MyApplication application;

String TAG = "PhotoActivity";

private ImageView img;

private EditText img_content;

private Button nati;

private Button pai;

private Button submit;

@AbIocView(id = R.id.photo_full)

LinearLayout photo_full;

private static String srcPath;

private static final int TIME_OUT = 10*1000; //超时时间

private static final String CHARSET = "utf-8"; //设置编码

private String loginKey;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.aa);

application = (MyApplication) this.getApplication();

loginKey = application.getProperty("loginKey");

initView();

}

private void initView() {

img = (ImageView) findViewById(R.id.img);

nati = (Button) findViewById(R.id.natives);

pai = (Button) findViewById(R.id.pai);

submit = (Button) findViewById(R.id.submit);

img_content=(EditText)findViewById(R.id.img_content);

nati.setOnClickListener(this);

pai.setOnClickListener(this);

submit.setOnClickListener(this);

OnClickListener keyboard_hide = new OnClickListener() {

@Override

public void onClick(View v) {

InputMethodManager imm = (InputMethodManager) PhotoActivity.this

.getSystemService(Context.INPUT_METHOD_SERVICE);

imm.hideSoftInputFromWindow(v.getWindowToken(), 0);

}

};

photo_full.setClickable(true);

photo_full.setOnClickListener(keyboard_hide);

}

@Override

public void onClick(View v) {

switch(v.getId()){

case R.id.natives:

Intent local = new Intent();

local.setType("image/*");

local.setAction(Intent.ACTION_GET_CONTENT);

startActivityForResult(local, 2);

break;

case R.id.pai:

Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

startActivityForResult(it, 1);

break;

case R.id.submit:

if (srcPath == null || srcPath=="") {

showToast("文件不存在");

}else{

submitUploadFile();

}

break;

}

}

/**

* 拍照上传

*/

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

super.onActivityResult(requestCode, resultCode, data);

if (resultCode == Activity.RESULT_OK) {

switch(requestCode) {

case 1:

Bundle extras = data.getExtras();

Bitmap b = (Bitmap) extras.get("data");

img.setImageBitmap(b);

String name = new SimpleDateFormat("yyyyMMddhhmmss").format(new Date());

String fileNmae = Environment.getExternalStorageDirectory().toString()+File.separator+"dong/image/"+name+".jpg";

srcPath = fileNmae;

System.out.println(srcPath+"----------保存路径1");

File myCaptureFile =new File(fileNmae);

try {

if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){

if(!myCaptureFile.getParentFile().exists()){

myCaptureFile.getParentFile().mkdirs();

}

BufferedOutputStream bos;

bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));

b.compress(Bitmap.CompressFormat.JPEG, 80, bos);

bos.flush();

bos.close();

}else{

Toast toast= Toast.makeText(PhotoActivity.this, "保存失败，SD卡无效", Toast.LENGTH_SHORT);

toast.setGravity(Gravity.CENTER, 0, 0);

toast.show();

}

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

break;

case 2:

Uri uri = data.getData();

img.setImageURI(uri);

ContentResolver cr = this.getContentResolver();

Cursor c = cr.query(uri, null, null, null, null);

c.moveToFirst();

//这是获取的图片保存在sdcard中的位置

srcPath = c.getString(c.getColumnIndex("_data"));

System.out.println(srcPath+"----------保存路径2");

break;

default:

break;

};

}

// n =1;

}

private void submitUploadFile(){

final File file=new File(srcPath);

final String RequestURL=URLs.UPLOADPHOTO;

if (file == null || (!file.exists())) {

return;

}

Log.i(TAG, "请求的URL=" + RequestURL);

Log.i(TAG, "请求的fileName=" + file.getName());

final Map<String, String> params = new HashMap<String, String>();

params.put("user_id", loginKey);

params.put("file_type", "1");

params.put("content", img_content.getText().toString());

showProgressDialog();

new Thread(new Runnable() { //开启线程上传文件

@Override

public void run() {

uploadFile(file, RequestURL,params);

}

}).start();

}

/**

* android上传文件到服务器

* @param file 需要上传的文件

* @param RequestURL 请求的rul

* @return 返回响应的内容

*/

private String uploadFile(File file,String RequestURL,Map<String, String> param){

String result = null;

String BOUNDARY = UUID.randomUUID().toString(); //边界标识 随机生成

String PREFIX = "--" , LINE_END = "\r\n";

String CONTENT_TYPE = "multipart/form-data"; //内容类型

// 显示进度框

// showProgressDialog();

try {

URL url = new URL(RequestURL);

HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setReadTimeout(TIME_OUT);

conn.setConnectTimeout(TIME_OUT);

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("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);

if(file!=null){

/**

* 当文件不为空，把文件包装并且上传

*/

DataOutputStream dos = new DataOutputStream( conn.getOutputStream());

StringBuffer sb = new StringBuffer();

String params = "";

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 = new StringBuffer();

sb.append(PREFIX);

sb.append(BOUNDARY);

sb.append(LINE_END);

/**

* 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("Content-Disposition: form-data; name=\"upfile\";filename=\""+file.getName()+"\""+LINE_END);

sb.append("Content-Type: image/pjpeg; charset="+CHARSET+LINE_END);

sb.append(LINE_END);

dos.write(sb.toString().getBytes());

InputStream is = new FileInputStream(file);

byte[] bytes = new byte[1024];

int len = 0;

while((len=is.read(bytes))!=-1){

dos.write(bytes, 0, len);

}

is.close();

dos.write(LINE_END.getBytes());

byte[] end_data = (PREFIX+BOUNDARY+PREFIX+LINE_END).getBytes();

dos.write(end_data);

dos.flush();

/**

* 获取响应码 200=成功

* 当响应成功，获取响应的流

*/

int res = conn.getResponseCode();

System.out.println("res========="+res);

if(res==200){

InputStream input = conn.getInputStream();

StringBuffer sb1= new StringBuffer();

int ss ;

while((ss=input.read())!=-1){

sb1.append((char)ss);

}

result = sb1.toString();

// // 移除进度框

// removeProgressDialog();

finish();

}

else{

}

}

} catch (MalformedURLException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return result;

}

}

xml代码

[html] view
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<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:id="@+id/photo_full"

android:orientation="vertical" >

<ImageView

android:id="@+id/img"

android:layout_width="fill_parent"

android:layout_height="350dp"

android:layout_weight="0.6" />

<EditText

android:id="@+id/img_content"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_weight="0.1"

android:ems="10"

android:inputType="textMultiLine"

android:lines="3" >

</EditText>

<Button

android:id="@+id/natives"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_weight="0.1"

android:text="本地选择" />

<Button

android:id="@+id/pai"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_weight="0.1"

android:text="拍照上传" />

<Button

android:id="@+id/submit"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_weight="0.1"

android:text="确定" />

</LinearLayout>