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;
        }
    }

}