android调用照相机拍照获取照片并做简单剪裁

引用转载/article/5489058.html

效果：







客服端代码：

[java] view plaincopyprint?

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

[java] view plaincopyprint?

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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