android照相及照片上传

转自：http://helloandroid.iteye.com/blog/1183437

 

 

 package com.android.cist.camera.view;

 import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;

 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.ContentResolver;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.Toast;

 import com.android.cist.R;
 import com.android.cist.network.HttpUtil;
 import com.android.cist.network.form.FormFile;
 import com.android.cist.network.form.HttpFormUtil;
 import com.android.cist.util.ApplicationUtil;
 import com.android.cist.util.ImageUtil;

 public class CameraActivity extends Activity implements OnClickListener{
     private ImageView preview;
     private EditText carNo;
     private EditText addres;
     private EditText type;
     private Button back;
     private Button submit;
     private Button capture;
     private Button reCapture;
     private OnClickListener imgViewListener;
     private Bitmap myBitmap;
     private byte[] mContent;
     private Handler handler;
     String returnString;
     private CalendarView happenDate;
     private static final int REQUEST_CAMERA = 1;
     private static final int REQUEST_CALENDAR = 2;

     @ Override
     public void onCreate ( Bundle savedInstanceState )
     {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.camera);
         setUpViews();
         setUpListeners();
         ApplicationUtil.getInstance().addActivity(this);
     }

     @ Override
     protected void onActivityResult ( int requestCode , int resultCode , Intent data )
     {
         super.onActivityResult(requestCode, resultCode, data);

         ContentResolver resolver = getContentResolver();
         /**
          * 因为两种方式都用到了startActivityForResult方法，
          * 这个方法执行完后都会执行onActivityResult方法， 所以为了区别到底选择了那个方式获取图片要进行判断，
          * 这里的requestCode跟startActivityForResult里面第二个参数对应
          */
         if (requestCode == 0)
         {
             try
             {
                 // 获得图片的uri
                 Uri originalUri = data.getData();
                 // 将图片内容解析成字节数组
                 mContent = readStream(resolver.openInputStream(Uri.parse(originalUri.toString())));
                 // 将字节数组转换为ImageView可调用的Bitmap对象
                 myBitmap = getPicFromBytes(mContent, null);
                 // //把得到的图片绑定在控件上显示
                 preview.setImageBitmap(myBitmap);
             } catch ( Exception e )
             {
                 System.out.println(e.getMessage());
             }

         } else if (requestCode == REQUEST_CAMERA){
             try
             {
                 super.onActivityResult(requestCode, resultCode, data);
                 Bundle extras = data.getExtras();
                 myBitmap = (Bitmap) extras.get("data");
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                 myBitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
                 mContent = baos.toByteArray();
             } catch ( Exception e )
             {
                 e.printStackTrace();
             }
             // 把得到的图片绑定在控件上显示
             preview.setImageBitmap(ImageUtil.toRoundCorner(myBitmap, 10));//把拍摄的照片转成圆角显示在预览控件上
         }else if(requestCode==REQUEST_CALENDAR){
             if(resultCode == RESULT_OK){
                 happenDate.setCalendar(data.getIntExtra("year", 1900), data.getIntExtra("month", 0), data.getIntExtra("day", 1));
             }
         }
     }

     public static Bitmap getPicFromBytes ( byte[] bytes , BitmapFactory.Options opts )
     {
         if (bytes != null)
             if (opts != null)
                 return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
             else
                 return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
         return null;
     }

     public static byte[] readStream ( InputStream inStream ) throws Exception
     {
         byte[] buffer = new byte[1024];
         int len = -1;
         ByteArrayOutputStream outStream = new ByteArrayOutputStream();
         while ((len = inStream.read(buffer)) != -1)
         {
             outStream.write(buffer, 0, len);
         }
         byte[] data = outStream.toByteArray();
         outStream.close();
         inStream.close();
         return data;
     }

     @Override
     public void onClick(View v) {
         int id = v.getId();
         switch(id){
             case R.id.capture:{
                 final CharSequence[] items =
                 { "相册", "拍照" };
                 AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
                         new DialogInterface.OnClickListener()
                         {
                             public void onClick ( DialogInterface dialog , int item )
                             {
                                 // 这里item是根据选择的方式，
                                 // 在items数组里面定义了两种方式，拍照的下标为1所以就调用拍照方法
                                 if (item == 1){
                                     Intent getImageByCamera = new Intent("android.media.action.IMAGE_CAPTURE");
                                     startActivityForResult(getImageByCamera, REQUEST_CAMERA);
                                 } else{
                                     Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
                                     getImage.addCategory(Intent.CATEGORY_OPENABLE);
                                     getImage.setType("image/jpeg");
                                     startActivityForResult(getImage, 0);
                                 }
                             }
                         }).create();
                 dlg.show();
             }
             break;
             /*case R.id.reCapture:{
                 final CharSequence[] items =
                 { "相册", "拍照" };
                 AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
                         new DialogInterface.OnClickListener()
                         {
                             public void onClick ( DialogInterface dialog , int item )
                             {
                                 // 这里item是根据选择的方式，
                                 // 在items数组里面定义了两种方式，拍照的下标为1所以就调用拍照方法
                                 if (item == 1)
                                 {
                                     Intent getImageByCamera = new Intent("android.media.action.IMAGE_CAPTURE");
                                     startActivityForResult(getImageByCamera, 1);
                                 } else
                                 {
                                     Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
                                     getImage.addCategory(Intent.CATEGORY_OPENABLE);
                                     getImage.setType("image/jpeg");
                                     startActivityForResult(getImage, 0);
                                 }
                             }
                         }).create();
                 dlg.show();
             }
             break;*/
             case R.id.submit:{
                 new PostThread().start();//开启线程提交数据
             }
             break;
             case R.id.back:{
                 CameraActivity.this.finish();//返回，销毁当前Activity
             }
             break;
             default:
             break;
         }
     }

 }