android图片写入sd.相册自动刷新

new MyMediaScanner(CouponsWebViewActivity.this).scanFile(file.getPath(),"image/jpeg");

package com.magus.myUtils;

import android.content.Context;

import android.media.MediaScannerConnection;

import android.net.Uri;

public class MyMediaScanner {

 private MediaScannerConnection mediaScanConn = null;

 private MusicSannerClient client = null;

 private String filePath = null;

 private String fileType = null;

 private String[] filePaths = null;

 public MyMediaScanner(Context context) {

  // 创建MusicSannerClient

  if (client == null) {

   client = new MusicSannerClient();

  }

  if (mediaScanConn == null) {

   mediaScanConn = new MediaScannerConnection(context, client);

  }

 }

 class MusicSannerClient implements

   MediaScannerConnection.MediaScannerConnectionClient {

  public void onMediaScannerConnected() {

   if (filePath != null) {

    mediaScanConn.scanFile(filePath, fileType);

   }

   if (filePaths != null) {

    for (String file : filePaths) {

     mediaScanConn.scanFile(file, fileType);

    }

   }

   filePath = null;

   fileType = null;

   filePaths = null;

  }

  @Override

  public void onScanCompleted(String path, Uri uri) {

  }

 }

 public void scanFile(String filepath, String fileType) {

  this.filePath = filepath;

  this.fileType = fileType;

  // 连接之后调用MusicSannerClient的onMediaScannerConnected()方法

  mediaScanConn.connect();

 }

 public void scanFile(String[] filePaths, String fileType) {

  this.filePaths = filePaths;

  this.fileType = fileType;

  mediaScanConn.connect();

 }

 public String getFilePath() {

  return filePath;

 }

 public void setFilePath(String filePath) {

  this.filePath = filePath;

 }

 public String getFileType() {

  return fileType;

 }

 public void setFileType(String fileType) {

  this.fileType = fileType;

 }

}