android调用照相机拍照获取照片并做简单剪裁

引用转载http://www.cnblogs.com/eyu8874521/archive/2012/07/20/2600697.html

 

效果：

 

 

 

 

 

客服端代码：

 

package com.cn.lxz.zhaopian;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import lxz.utils.android.graphics.GraphicsBitmapUtils;
import lxz.utils.android.net.UploadFile;
import lxz.utils.android.resource.AndroidClass;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

public class Activity_UploadPic extends Activity implements Handler.Callback {
    /** Called when the activity is first created. */

    ImageView view_pic;
    Button view_btn;
    EditText view_et;
    // 线程通知上传成功
    final Handler upLoadhand = new Handler(this);
    String[] arrayString = { "拍照", "相册" };
    String title = "上传照片";

    // 上传的地址
    String uploadUrl = "http://192.168.1.101:8080/UploadServlet/UploadServlet?";
    String filename = "照片";
    private static final int PHOTO_REQUEST_TAKEPHOTO = 1;// 拍照
    private static final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择
    private static final int PHOTO_REQUEST_CUT = 3;// 结果

    @Override
    public boolean handleMessage(Message msg) {

        if (msg.obj != null) {
            Drawable drawable = new BitmapDrawable((Bitmap) msg.obj);
            view_pic.setBackgroundDrawable(drawable);
            Toast.makeText(this, "获得图片并且头像上传成功", 3).show();
        }else
        {
            Toast.makeText(this, "获得图片，但是头像上传失败，请注意配置uploadUrl上传地址", 3).show();
        }

        return false;
    }

    // 创建一个以当前时间为名称的文件
    File tempFile = new File(Environment.getExternalStorageDirectory(),
            getPhotoFileName());

    // 对话框
    OnClickListener onDialogClick = new OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
            case 0:
                startCamearPicCut(dialog);// 开启照相
                break;
            case 1:
                startImageCaptrue(dialog);// 开启图库
                break;
            default:
                break;
            }
        }

        private void startCamearPicCut(DialogInterface dialog) {
            // TODO Auto-generated method stub
            dialog.dismiss();
            // 调用系统的拍照功能
            Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

            intent.putExtra("camerasensortype", 2);// 调用前置摄像头
            intent.putExtra("autofocus", true);// 自动对焦
            intent.putExtra("fullScreen", false);// 全屏
            intent.putExtra("showActionIcons", false);
            // 指定调用相机拍照后照片的储存路径
            intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile));
            startActivityForResult(intent, PHOTO_REQUEST_TAKEPHOTO);
        }

        private void startImageCaptrue(DialogInterface dialog) {
            // TODO Auto-generated method stub
            dialog.dismiss();
            Intent intent = new Intent(Intent.ACTION_PICK, null);
            intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                    "image/*");
            startActivityForResult(intent, PHOTO_REQUEST_GALLERY);
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        init();

    }

    private void init() {
        // TODO Auto-generated method stub
        view_pic = (ImageView) findViewById(R.id.iv);
        view_btn = (Button) findViewById(R.id.btn);
        view_et = (EditText) findViewById(R.id.et);
        view_btn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                AlertDialog.Builder dialog = AndroidClass.getListDialogBuilder(
                        Activity_UploadPic.this, arrayString, title,
                        onDialogClick);
                dialog.show();
            }
        });
    }

    // 使用系统当前日期加以调整作为照片的名称
    private String getPhotoFileName() {
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat dateFormat = new SimpleDateFormat(
                "'IMG'_yyyyMMdd_HHmmss");
        return dateFormat.format(date) + ".jpg";
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        switch (requestCode) {
        case PHOTO_REQUEST_TAKEPHOTO:
            startPhotoZoom(Uri.fromFile(tempFile), 150);
            break;

        case PHOTO_REQUEST_GALLERY:
            if (data != null) {
                startPhotoZoom(data.getData(), 150);
            }
            break;

        case PHOTO_REQUEST_CUT:
            if (data != null) {
                setPicToView(data);
            }
            break;
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

    private void startPhotoZoom(Uri uri, int size) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");
        // crop为true是设置在开启的intent中设置显示的view可以剪裁
        intent.putExtra("crop", "true");

        // aspectX aspectY 是宽高的比例
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);

        // outputX,outputY 是剪裁图片的宽高
        intent.putExtra("outputX", size);
        intent.putExtra("outputY", size);
        intent.putExtra("return-data", true);

        startActivityForResult(intent, PHOTO_REQUEST_CUT);
    }

    // 将进行剪裁后的图片显示到UI界面上
    private void setPicToView(Intent picdata) {
        Bundle bundle = picdata.getExtras();
        if (bundle != null) {
            final Bitmap photo = bundle.getParcelable("data");

            new Thread() {

                @Override
                public void run() {
                    byte[] photodata = GraphicsBitmapUtils.Bitmap2Bytes(photo);
                    UploadFile uploadFile = new UploadFile(uploadUrl);
                    Map parameters = new HashMap();
                    parameters.put("msg", view_et.getText().toString());

                    boolean isUploadSuccess = false;

                    try {
                        isUploadSuccess = uploadFile.defaultUploadMethod(
                                photodata, filename, parameters);
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }

                    if (isUploadSuccess) {
                        upLoadhand.obtainMessage(0, photo).sendToTarget();
                    } else {
                        upLoadhand.obtainMessage(-1, null).sendToTarget();
                    }

                }
            }.start();

        }
    }

}

 

服务器端

 

package com.project3gabs.action;



import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

public class UploadServlet extends HttpServlet
{
    protected void service(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException
    {

        System.out.println("服务器发现上传文件");
        System.out.println(this.getServletContext().getRealPath("/"));


        request.setCharacterEncoding("UTF-8");

        if(request.getHeader("user-agent")!=null&&(request.getHeader("user-agent").toLowerCase().indexOf("mozilla")!=-1))
        {
            System.out.println("访问端-PC");
        }else
        {
            System.out.println("访问端-手机");

        }



        try {
            request.setCharacterEncoding("UTF-8"); // 设置处理请求参数的编码格式
            response.setContentType("text/html;charset=UTF-8"); // 设置Content-Type字段值
            PrintWriter out = response.getWriter();
            System.out.println("附加信息"+URLEncoder.encode(request.getParameter("msg"),"UTF-8"));

        } catch (Exception e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        try
        {


            // 下面的代码开始使用Commons-UploadFile组件处理上传的文件数据
            FileItemFactory factory = new DiskFileItemFactory(); // 建立FileItemFactory对象
            ServletFileUpload upload = new ServletFileUpload(factory);
            // 分析请求，并得到上传文件的FileItem对象
            List<FileItem> items = upload.parseRequest(request);
            // 从web.xml文件中的参数中得到上传文件的路径
            String uploadPath = this.getServletContext().getRealPath("/")+"\upload\";
            File file = new File(uploadPath);
            if (!file.exists())
            {
                file.mkdir();
            }
            String filename = null; // 上传文件保存到服务器的文件名
            InputStream is = null; // 当前上传文件的InputStream对象
            // 循环处理上传文件



            for (FileItem item : items)
            {

                // 处理普通的表单域
                if (item.isFormField())
                {
                    try {
                        System.out.println(item.getFieldName()+item.getString());
                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    if (item.getFieldName().equals("filename"))
                    {
                        // 如果新文件不为空，将其保存在filename中
                        if (!item.getString().equals(""))
                            filename = item.getString("UTF-8");
                        System.out.println("filename="+filename);
                    }


                }
                // 处理上传文件
                else if (item.getName() != null && !item.getName().equals(""))
                {
                    // 从客户端发送过来的上传文件路径中截取文件名
                    filename = item.getName().substring(
                            item.getName().lastIndexOf("\") + 1);

                    is = item.getInputStream(); // 得到上传文件的InputStream对象

                }
            }
            // 将路径和上传文件名组合成完整的服务端路径
            filename = uploadPath + filename;
            System.out.println("filename="+filename);
            // 如果服务器已经存在和上传文件同名的文件，则输出提示信息
            if (new File(filename).exists())
            {
                new File(filename).delete();
            }
            // 开始上传文件
            if (!filename.equals(""))
            {
                // 用FileOutputStream打开服务端的上传文件
                FileOutputStream fos = new FileOutputStream(filename);
                byte[] buffer = new byte[8192]; // 每次读8K字节
                int count = 0;
                // 开始读取上传文件的字节，并将其输出到服务端的上传文件输出流中
                while ((count = is.read(buffer)) > 0)
                {
                    fos.write(buffer, 0, count); // 向服务端文件写入字节流

                }
                fos.close(); // 关闭FileOutputStream对象
                is.close(); // InputStream对象

                System.out.println("文件上传成功!");
            }
        }
        catch (Exception e)
        {

        }
    }
}

 

 

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