Android(安卓)拍照 以及从本地选择图片 上传
16lz
2021-01-24
Android 拍照以及选择本地图片上传（使用MX4没有问题，LG手机貌似不能选择本地图片，以后有时间看看），在网上找的一些资料，改写的。
activity代码
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() {@Overridepublic 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 params = new HashMap(); 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 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 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
<?xml version="1.0" encoding="utf-8"?> 更多相关文章
- 一款常用的 Squid 日志分析工具
- GitHub 标星 8K+！一款开源替代 ls 的工具你值得拥有！
- RHEL 6 下 DHCP+TFTP+FTP+PXE+Kickstart 实现无人值守安装
- Linux 环境下实战 Rsync 备份工具及配置 rsync+inotify 实时同步
- android sd卡读写 附源码
- NDK编译：fatal error: GLES2/gl2platform.h: No such file or dir
- Error: Error parsing D:\android-sdk-windows\sdk\system-im
- rk3326 android 8.1 上传sftp时候jsch类报错
- android 不同drawable文件对应的dpi值，和所放图片分辨率