Android calls third-party software to open the downloaded attachment

Android calls third-party software to open the downloaded attachment

When creating our product, we need to download the attachment. At the same time, we need to open the attachment. After reading some information, we found that android is doing very well with this support. Through anction, we can add minitype, after adding a data source, you can find the appropriate software to open your downloaded attachment. The following is a Java class I have compiled. I hope it will help you!

/** @ Project c6client * @ package COM. invalid. c6.util * @ file callotheropeanfile. java * @ version 1.0 * @ author liaoyp * @ time 6:30:54 **/package COM. invalid. 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> openf Ile </code> * @ Description: Todo (open the attachment) * @ Param context * @ Param file * @ since 2012-5-19 liaoyp */Public void openfile (context, file) {try {intent = new intent (); intent. addflags (intent. flag_activity_new_task); // sets the intent action attribute intent. setaction (intent. action_view); // obtain the MIME type string type = getmimetype (File) of the file; // set the data and type attributes of the intent. Intent. setdataandtype (/* URI */uri. fromfile (file), type); // jump to context. startactivity (intent); // intent. createchooser (intent, "select the corresponding software to open this attachment! ");} Catch (activitynotfoundexception e) {// todo: handle exception toast. maketext (context," the sorry attachment cannot be opened. Please download the relevant software! ", 500 ). show () ;}} private string getmimetype (File file) {string type = "*/*"; string fname = file. getname (); // get the separator before the suffix ". "position in fname. Int dotindex = fname. lastindexof (". "); If (dotindex <0) {return type;}/* get the file suffix */string end = fname. substring (dotindex, fname. length ()). tolowercase (); If (END = "") return type; // find the corresponding MIME type in the mime and file type matching tables. For (INT I = 0; I <mime_maptable.length; I ++ ){

        if(end.equals(MIME_MapTable[i][0]))             type = MIME_MapTable[i][1];     }            return type; } 

// You can add private string [] [] mime_maptable = {// {suffix name, MIME type }{". 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.doc ument "},{". 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 "},{". MCM "," 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 "},{"","*/*"}};}