在做我們產品的時候,需要下載附件, 同時下載附件需要打開, 通過查閱一些資料發現,Android對這支持做的非常好,通過anction ,加minitype ,加數據源,就能找到合適的軟件進行打開你的下載的附件,下面是我整理的一個的java類,希望對你有幫助!
- /*
- * @project C6Client
- * @package com.jh.c6.util
- * @file CallOtherOpeanFile.java
- * @version 1.0
- * @author liaoyp
- * @time 2012-5-19 上午6:30:54
- * */
- package com.jh.c6.util;
-
- import java.io.File;
-
- import android.content.ActivityNotFoundException;
- import android.content.Context;
- import android.content.Intent;
- import android.net.Uri;
- import android.widget.Toast;
-
- public class CallOtherOpeanFile {
- /**
- *
- * <code>openFile</code>
- * @description: TODO(打開附件)
- * @param context
- * @param file
- * @since 2012-5-19 liaoyp
- */
- public void openFile(Context context,File file){
- try{
- Intent intent = new Intent();
- intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
- //設置intent的Action屬性
- intent.setAction(Intent.ACTION_VIEW);
- //獲取文件file的MIME類型
- String type = getMIMEType(file);
- //設置intent的data和Type屬性。
- intent.setDataAndType(/*uri*/Uri.fromFile(file), type);
- //跳轉
- context.startActivity(intent);
- // Intent.createChooser(intent, "請選擇對應的軟件打開該附件!");
- }catch (ActivityNotFoundException e) {
- // TODO: handle exception
- Toast.makeText(context, "sorry附件不能打開,請下載相關軟件!", 500).show();
- }
- }
- private String getMIMEType(File file) {
-
- String type="*/*";
- String fName = file.getName();
- //獲取後綴名前的分隔符"."在fName中的位置。
- int dotIndex = fName.lastIndexOf(".");
- if(dotIndex < 0){
- return type;
- }
- /* 獲取文件的後綴名*/
- String end=fName.substring(dotIndex,fName.length()).toLowerCase();
- if(end=="")return type;
- //在MIME和文件類型的匹配表中找到對應的MIME類型。
- for(int i=0;i<MIME_MapTable.length;i++){
- if(end.equals(MIME_MapTable[i][0]))
- type = MIME_MapTable[i][1];
- }
- return type;
- }
- // 可以自己隨意添加
- private String [][] MIME_MapTable={
- //{後綴名,MIME類型}
- {".3gp", "video/3gpp"},
- {".apk", "application/vnd.android.package-archive"},
- {".asf", "video/x-ms-asf"},
- {".avi", "video/x-msvideo"},
- {".bin", "application/octet-stream"},
- {".bmp", "image/bmp"},
- {".c", "text/plain"},
- {".class", "application/octet-stream"},
- {".conf", "text/plain"},
- {".cpp", "text/plain"},
- {".doc", "application/msword"},
- {".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
- {".xls", "application/vnd.ms-excel"},
- {".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
- {".exe", "application/octet-stream"},
- {".gif", "image/gif"},
- {".gtar", "application/x-gtar"},
- {".gz", "application/x-gzip"},
- {".h", "text/plain"},
- {".htm", "text/html"},
- {".html", "text/html"},
- {".jar", "application/java-archive"},
- {".java", "text/plain"},
- {".jpeg", "image/jpeg"},
- {".jpg", "image/jpeg"},
- {".js", "application/x-javascript"},
- {".log", "text/plain"},
- {".m3u", "audio/x-mpegurl"},
- {".m4a", "audio/mp4a-latm"},
- {".m4b", "audio/mp4a-latm"},
- {".m4p", "audio/mp4a-latm"},
- {".m4u", "video/vnd.mpegurl"},
- {".m4v", "video/x-m4v"},
- {".mov", "video/quicktime"},
- {".mp2", "audio/x-mpeg"},
- {".mp3", "audio/x-mpeg"},
- {".mp4", "video/mp4"},
- {".mpc", "application/vnd.mpohun.certificate"},
- {".mpe", "video/mpeg"},
- {".mpeg", "video/mpeg"},
- {".mpg", "video/mpeg"},
- {".mpg4", "video/mp4"},
- {".mpga", "audio/mpeg"},
- {".msg", "application/vnd.ms-outlook"},
- {".ogg", "audio/ogg"},
- {".pdf", "application/pdf"},
- {".png", "image/png"},
- {".pps", "application/vnd.ms-powerpoint"},
- {".ppt", "application/vnd.ms-powerpoint"},
- {".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"},
- {".prop", "text/plain"},
- {".rc", "text/plain"},
- {".rmvb", "audio/x-pn-realaudio"},
- {".rtf", "application/rtf"},
- {".sh", "text/plain"},
- {".tar", "application/x-tar"},
- {".tgz", "application/x-compressed"},
- {".txt", "text/plain"},
- {".wav", "audio/x-wav"},
- {".wma", "audio/x-ms-wma"},
- {".wmv", "audio/x-ms-wmv"},
- {".wps", "application/vnd.ms-works"},
- {".xml", "text/plain"},
- {".z", "application/x-compress"},
- {".zip", "application/x-zip-compressed"},
- {"", "*/*"}
- };
-
-
- }
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