Android 拍照以及从本地选择图片上传

admin · 发表于 2016-1-6 20:13:25

Android 拍照以及选择本地图片上传（使用MX4没有问题，LG手机貌似不能选择本地图片，以后有时间看看），在网上找的一些资料，改写的。

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;
}
}

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