Android 拍照以及从本地选择图片上传

来源：互联网发布：类似于上瘾的网络剧编辑：程序博客网时间：2024/05/17 04:15

activity代码

[java] view plain copy
 print?
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 plain copy
 print?
<?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>  

0 0

Android 拍照 以及从本地选择图片 上传

Android 拍照以及从本地选择图片上传