android打开文件方法

通过MIME type的不同用系统含有的程序打开

Uri uri = Uri.parse("file://" + filePath);Intent intent = new Intent();intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setAction(Intent.ACTION_VIEW);String type = Common.getMIMEType(filePath);intent.setDataAndType(uri, type);if (!type.equals("*/*")){ startActivity(intent);} else{ showOpenTypeDialog(filePath);}

Common.getMIMEType(filePath)代码：

/** * 获取文件类型 */public static String getMIMEType(String filePath){String type = "*/*";String fName = filePath;int dotIndex = fName.lastIndexOf(".");if (dotIndex < 0){return type;}String end = fName.substring(dotIndex, fName.length()).toLowerCase();if (end == ""){return type;}for (int i = 0; i < MIME_MapTable.length; i++){if (end.equals(MIME_MapTable[i][0])){type = MIME_MapTable[i][1];}}return type;}

MIME_MapTable 代码：

/** * MIME 列表 */public static final String[][] MIME_MapTable ={// {后缀名， MIME类型}{ ".3gp", "video/3gpp" },{ ".3gpp", "video/3gpp" },{ ".aac", "audio/x-mpeg" },{ ".amr", "audio/x-mpeg" },{ ".apk", "application/vnd.android.package-archive" },{ ".avi", "video/x-msvideo" },{ ".aab", "application/x-authoware-bin" },{ ".aam", "application/x-authoware-map" },{ ".aas", "application/x-authoware-seg" },{ ".ai", "application/postscript" },{ ".aif", "audio/x-aiff" },{ ".aifc", "audio/x-aiff" },{ ".aiff", "audio/x-aiff" },{ ".als", "audio/X-Alpha5" },{ ".amc", "application/x-mpeg" },{ ".ani", "application/octet-stream" },{ ".asc", "text/plain" },{ ".asd", "application/astound" },{ ".asf", "video/x-ms-asf" },{ ".asn", "application/astound" },{ ".asp", "application/x-asap" },{ ".asx", " video/x-ms-asf" },{ ".au", "audio/basic" },{ ".avb", "application/octet-stream" },{ ".awb", "audio/amr-wb" },{ ".bcpio", "application/x-bcpio" },{ ".bld", "application/bld" },{ ".bld2", "application/bld2" },{ ".bpk", "application/octet-stream" },{ ".bz2", "application/x-bzip2" },{ ".bin", "application/octet-stream" },{ ".bmp", "image/bmp" },{ ".c", "text/plain" },{ ".class", "application/octet-stream" },{ ".conf", "text/plain" },{ ".cpp", "text/plain" },{ ".cal", "image/x-cals" },{ ".ccn", "application/x-cnc" },{ ".cco", "application/x-cocoa" },{ ".cdf", "application/x-netcdf" },{ ".cgi", "magnus-internal/cgi" },{ ".chat", "application/x-chat" },{ ".clp", "application/x-msclip" },{ ".cmx", "application/x-cmx" },{ ".co", "application/x-cult3d-object" },{ ".cod", "image/cis-cod" },{ ".cpio", "application/x-cpio" },{ ".cpt", "application/mac-compactpro" },{ ".crd", "application/x-mscardfile" },{ ".csh", "application/x-csh" },{ ".csm", "chemical/x-csml" },{ ".csml", "chemical/x-csml" },{ ".css", "text/css" },{ ".cur", "application/octet-stream" },{ ".doc", "application/msword" },{ ".dcm", "x-lml/x-evm" },{ ".dcr", "application/x-director" },{ ".dcx", "image/x-dcx" },{ ".dhtml", "text/html" },{ ".dir", "application/x-director" },{ ".dll", "application/octet-stream" },{ ".dmg", "application/octet-stream" },{ ".dms", "application/octet-stream" },{ ".dot", "application/x-dot" },{ ".dvi", "application/x-dvi" },{ ".dwf", "drawing/x-dwf" },{ ".dwg", "application/x-autocad" },{ ".dxf", "application/x-autocad" },{ ".dxr", "application/x-director" },{ ".ebk", "application/x-expandedbook" },{ ".emb", "chemical/x-embl-dl-nucleotide" },{ ".embl", "chemical/x-embl-dl-nucleotide" },{ ".eps", "application/postscript" },{ ".epub", "application/epub+zip" },{ ".eri", "image/x-eri" },{ ".es", "audio/echospeech" },{ ".esl", "audio/echospeech" },{ ".etc", "application/x-earthtime" },{ ".etx", "text/x-setext" },{ ".evm", "x-lml/x-evm" },{ ".evy", "application/x-envoy" },{ ".exe", "application/octet-stream" },{ ".fh4", "image/x-freehand" },{ ".fh5", "image/x-freehand" },{ ".fhc", "image/x-freehand" },{ ".fif", "image/fif" },{ ".fm", "application/x-maker" },{ ".fpx", "image/x-fpx" },{ ".fvi", "video/isivideo" },{ ".flv", "video/x-msvideo" },{ ".gau", "chemical/x-gaussian-input" },{ ".gca", "application/x-gca-compressed" },{ ".gdb", "x-lml/x-gdb" },{ ".gif", "image/gif" },{ ".gps", "application/x-gps" },{ ".gtar", "application/x-gtar" },{ ".gz", "application/x-gzip" },{ ".gif", "image/gif" },{ ".gtar", "application/x-gtar" },{ ".gz", "application/x-gzip" },{ ".h", "text/plain" },{ ".hdf", "application/x-hdf" },{ ".hdm", "text/x-hdml" },{ ".hdml", "text/x-hdml" },{ ".htm", "text/html" },{ ".html", "text/html" },{ ".hlp", "application/winhlp" },{ ".hqx", "application/mac-binhex40" },{ ".hts", "text/html" },{ ".ice", "x-conference/x-cooltalk" },{ ".ico", "application/octet-stream" },{ ".ief", "image/ief" },{ ".ifm", "image/gif" },{ ".ifs", "image/ifs" },{ ".imy", "audio/melody" },{ ".ins", "application/x-NET-Install" },{ ".ips", "application/x-ipscript" },{ ".ipx", "application/x-ipix" },{ ".it", "audio/x-mod" },{ ".itz", "audio/x-mod" },{ ".ivr", "i-world/i-vrml" },{ ".j2k", "image/j2k" },{ ".jad", "text/vnd.sun.j2me.app-descriptor" },{ ".jam", "application/x-jam" },{ ".jnlp", "application/x-java-jnlp-file" },{ ".jpe", "image/jpeg" },{ ".jpz", "image/jpeg" },{ ".jwc", "application/jwc" },{ ".jar", "application/java-archive" },{ ".java", "text/plain" },{ ".jpeg", "image/jpeg" },{ ".jpg", "image/jpeg" },{ ".js", "application/x-javascript" },{ ".kjx", "application/x-kjx" },{ ".lak", "x-lml/x-lak" },{ ".latex", "application/x-latex" },{ ".lcc", "application/fastman" },{ ".lcl", "application/x-digitalloca" },{ ".lcr", "application/x-digitalloca" },{ ".lgh", "application/lgh" },{ ".lha", "application/octet-stream" },{ ".lml", "x-lml/x-lml" },{ ".lmlpack", "x-lml/x-lmlpack" },{ ".log", "text/plain" },{ ".lsf", "video/x-ms-asf" },{ ".lsx", "video/x-ms-asf" },{ ".lzh", "application/x-lzh " },{ ".m13", "application/x-msmediaview" },{ ".m14", "application/x-msmediaview" },{ ".m15", "audio/x-mod" },{ ".m3u", "audio/x-mpegurl" },{ ".m3url", "audio/x-mpegurl" },{ ".ma1", "audio/ma1" },{ ".ma2", "audio/ma2" },{ ".ma3", "audio/ma3" },{ ".ma5", "audio/ma5" },{ ".man", "application/x-troff-man" },{ ".map", "magnus-internal/imagemap" },{ ".mbd", "application/mbedlet" },{ ".mct", "application/x-mascot" },{ ".mdb", "application/x-msaccess" },{ ".mdz", "audio/x-mod" },{ ".me", "application/x-troff-me" },{ ".mel", "text/x-vmel" },{ ".mi", "application/x-mif" },{ ".mid", "audio/midi" },{ ".midi", "audio/midi" },{ ".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" },{ ".mif", "application/x-mif" },{ ".mil", "image/x-cals" },{ ".mio", "audio/x-mio" },{ ".mmf", "application/x-skt-lbs" },{ ".mng", "video/x-mng" },{ ".mny", "application/x-msmoney" },{ ".moc", "application/x-mocha" },{ ".mocha", "application/x-mocha" },{ ".mod", "audio/x-mod" },{ ".mof", "application/x-yumekara" },{ ".mol", "chemical/x-mdl-molfile" },{ ".mop", "chemical/x-mopac-input" },{ ".movie", "video/x-sgi-movie" },{ ".mpn", "application/vnd.mophun.application" },{ ".mpp", "application/vnd.ms-project" },{ ".mps", "application/x-mapserver" },{ ".mrl", "text/x-mrml" },{ ".mrm", "application/x-mrm" },{ ".ms", "application/x-troff-ms" },{ ".mts", "application/metastream" },{ ".mtx", "application/metastream" },{ ".mtz", "application/metastream" },{ ".mzv", "application/metastream" },{ ".nar", "application/zip" },{ ".nbmp", "image/nbmp" },{ ".nc", "application/x-netcdf" },{ ".ndb", "x-lml/x-ndb" },{ ".ndwn", "application/ndwn" },{ ".nif", "application/x-nif" },{ ".nmz", "application/x-scream" },{ ".nokia-op-logo", "image/vnd.nok-oplogo-color" },{ ".npx", "application/x-netfpx" },{ ".nsnd", "audio/nsnd" },{ ".nva", "application/x-neva1" },{ ".oda", "application/oda" },{ ".oom", "application/x-AtlasMate-Plugin" },{ ".ogg", "audio/ogg" },{ ".pac", "audio/x-pac" },{ ".pae", "audio/x-epac" },{ ".pan", "application/x-pan" },{ ".pbm", "image/x-portable-bitmap" },{ ".pcx", "image/x-pcx" },{ ".pda", "image/x-pda" },{ ".pdb", "chemical/x-pdb" },{ ".pdf", "application/pdf" },{ ".pfr", "application/font-tdpfr" },{ ".pgm", "image/x-portable-graymap" },{ ".pict", "image/x-pict" },{ ".pm", "application/x-perl" },{ ".pmd", "application/x-pmd" },{ ".png", "image/png" },{ ".pnm", "image/x-portable-anymap" },{ ".pnz", "image/png" },{ ".pot", "application/vnd.ms-powerpoint" },{ ".ppm", "image/x-portable-pixmap" },{ ".pps", "application/vnd.ms-powerpoint" },{ ".ppt", "application/vnd.ms-powerpoint" },{ ".pqf", "application/x-cprplayer" },{ ".pqi", "application/cprplayer" },{ ".prc", "application/x-prc" },{ ".proxy", "application/x-ns-proxy-autoconfig" },{ ".prop", "text/plain" },{ ".ps", "application/postscript" },{ ".ptlk", "application/listenup" },{ ".pub", "application/x-mspublisher" },{ ".pvx", "video/x-pv-pvx" },{ ".qcp", "audio/vnd.qcelp" },{ ".qt", "video/quicktime" },{ ".qti", "image/x-quicktime" },{ ".qtif", "image/x-quicktime" },{ ".r3t", "text/vnd.rn-realtext3d" },{ ".ra", "audio/x-pn-realaudio" },{ ".ram", "audio/x-pn-realaudio" },{ ".ras", "image/x-cmu-raster" },{ ".rdf", "application/rdf+xml" },{ ".rf", "image/vnd.rn-realflash" },{ ".rgb", "image/x-rgb" },{ ".rlf", "application/x-richlink" },{ ".rm", "audio/x-pn-realaudio" },{ ".rmf", "audio/x-rmf" },{ ".rmm", "audio/x-pn-realaudio" },{ ".rnx", "application/vnd.rn-realplayer" },{ ".roff", "application/x-troff" },{ ".rp", "image/vnd.rn-realpix" },{ ".rpm", "audio/x-pn-realaudio-plugin" },{ ".rt", "text/vnd.rn-realtext" },{ ".rte", "x-lml/x-gps" },{ ".rtf", "application/rtf" },{ ".rtg", "application/metastream" },{ ".rtx", "text/richtext" },{ ".rv", "video/vnd.rn-realvideo" },{ ".rwc", "application/x-rogerwilco" },{ ".rar", "application/x-rar-compressed" },{ ".rc", "text/plain" },{ ".rmvb", "audio/x-pn-realaudio" },{ ".s3m", "audio/x-mod" },{ ".s3z", "audio/x-mod" },{ ".sca", "application/x-supercard" },{ ".scd", "application/x-msschedule" },{ ".sdf", "application/e-score" },{ ".sea", "application/x-stuffit" },{ ".sgm", "text/x-sgml" },{ ".sgml", "text/x-sgml" },{ ".shar", "application/x-shar" },{ ".shtml", "magnus-internal/parsed-html" },{ ".shw", "application/presentations" },{ ".si6", "image/si6" },{ ".si7", "image/vnd.stiwap.sis" },{ ".si9", "image/vnd.lgtwap.sis" },{ ".sis", "application/vnd.symbian.install" },{ ".sit", "application/x-stuffit" },{ ".skd", "application/x-Koan" },{ ".skm", "application/x-Koan" },{ ".skp", "application/x-Koan" },{ ".skt", "application/x-Koan" },{ ".slc", "application/x-salsa" },{ ".smd", "audio/x-smd" },{ ".smi", "application/smil" },{ ".smil", "application/smil" },{ ".smp", "application/studiom" },{ ".smz", "audio/x-smd" },{ ".sh", "application/x-sh" },{ ".snd", "audio/basic" },{ ".spc", "text/x-speech" },{ ".spl", "application/futuresplash" },{ ".spr", "application/x-sprite" },{ ".sprite", "application/x-sprite" },{ ".sdp", "application/sdp" },{ ".spt", "application/x-spt" },{ ".src", "application/x-wais-source" },{ ".stk", "application/hyperstudio" },{ ".stm", "audio/x-mod" },{ ".sv4cpio", "application/x-sv4cpio" },{ ".sv4crc", "application/x-sv4crc" },{ ".svf", "image/vnd" },{ ".svg", "image/svg-xml" },{ ".svh", "image/svh" },{ ".svr", "x-world/x-svr" },{ ".swf", "application/x-shockwave-flash" },{ ".swfl", "application/x-shockwave-flash" },{ ".t", "application/x-troff" },{ ".tad", "application/octet-stream" },{ ".talk", "text/x-speech" },{ ".tar", "application/x-tar" },{ ".taz", "application/x-tar" },{ ".tbp", "application/x-timbuktu" },{ ".tbt", "application/x-timbuktu" },{ ".tcl", "application/x-tcl" },{ ".tex", "application/x-tex" },{ ".texi", "application/x-texinfo" },{ ".texinfo", "application/x-texinfo" },{ ".tgz", "application/x-tar" },{ ".thm", "application/vnd.eri.thm" },{ ".tif", "image/tiff" },{ ".tiff", "image/tiff" },{ ".tki", "application/x-tkined" },{ ".tkined", "application/x-tkined" },{ ".toc", "application/toc" },{ ".toy", "image/toy" },{ ".tr", "application/x-troff" },{ ".trk", "x-lml/x-gps" },{ ".trm", "application/x-msterminal" },{ ".tsi", "audio/tsplayer" },{ ".tsp", "application/dsptype" },{ ".tsv", "text/tab-separated-values" },{ ".ttf", "application/octet-stream" },{ ".ttz", "application/t-time" },{ ".txt", "text/plain" },{ ".ult", "audio/x-mod" },{ ".ustar", "application/x-ustar" },{ ".uu", "application/x-uuencode" },{ ".uue", "application/x-uuencode" },{ ".vcd", "application/x-cdlink" },{ ".vcf", "text/x-vcard" },{ ".vdo", "video/vdo" },{ ".vib", "audio/vib" },{ ".viv", "video/vivo" },{ ".vivo", "video/vivo" },{ ".vmd", "application/vocaltec-media-desc" },{ ".vmf", "application/vocaltec-media-file" },{ ".vmi", "application/x-dreamcast-vms-info" },{ ".vms", "application/x-dreamcast-vms" },{ ".vox", "audio/voxware" },{ ".vqe", "audio/x-twinvq-plugin" },{ ".vqf", "audio/x-twinvq" },{ ".vql", "audio/x-twinvq" },{ ".vre", "x-world/x-vream" },{ ".vrml", "x-world/x-vrml" },{ ".vrt", "x-world/x-vrt" },{ ".vrw", "x-world/x-vream" },{ ".vts", "workbook/formulaone" },{ ".wax", "audio/x-ms-wax" },{ ".wbmp", "image/vnd.wap.wbmp" },{ ".web", "application/vnd.xara" },{ ".wav", "audio/x-wav" },{ ".wma", "audio/x-ms-wma" },{ ".wmv", "audio/x-ms-wmv" },{ ".wi", "image/wavelet" },{ ".wis", "application/x-InstallShield" },{ ".wm", "video/x-ms-wm" },{ ".wmd", "application/x-ms-wmd" },{ ".wmf", "application/x-msmetafile" },{ ".wml", "text/vnd.wap.wml" },{ ".wmlc", "application/vnd.wap.wmlc" },{ ".wmls", "text/vnd.wap.wmlscript" },{ ".wmlsc", "application/vnd.wap.wmlscriptc" },{ ".wmlscript", "text/vnd.wap.wmlscript" },{ ".wmv", "video/x-ms-wmv" },{ ".wmx", "video/x-ms-wmx" },{ ".wmz", "application/x-ms-wmz" },{ ".wpng", "image/x-up-wpng" },{ ".wps", "application/vnd.ms-works" },{ ".wpt", "x-lml/x-gps" },{ ".wri", "application/x-mswrite" },{ ".wrl", "x-world/x-vrml" },{ ".wrz", "x-world/x-vrml" },{ ".ws", "text/vnd.wap.wmlscript" },{ ".wsc", "application/vnd.wap.wmlscriptc" },{ ".wv", "video/wavelet" },{ ".wvx", "video/x-ms-wvx" },{ ".wxl", "application/x-wxl" },{ ".x-gzip", "application/x-gzip" },{ ".xar", "application/vnd.xara" },{ ".xbm", "image/x-xbitmap" },{ ".xdm", "application/x-xdma" },{ ".xdma", "application/x-xdma" },{ ".xdw", "application/vnd.fujixerox.docuworks" },{ ".xht", "application/xhtml+xml" },{ ".xhtm", "application/xhtml+xml" },{ ".xhtml", "application/xhtml+xml" },{ ".xla", "application/vnd.ms-excel" },{ ".xlc", "application/vnd.ms-excel" },{ ".xll", "application/x-excel" },{ ".xlm", "application/vnd.ms-excel" },{ ".xls", "application/vnd.ms-excel" },{ ".xlt", "application/vnd.ms-excel" },{ ".xlw", "application/vnd.ms-excel" },{ ".xm", "audio/x-mod" },{ ".xml", "text/xml" },{ ".xmz", "audio/x-mod" },{ ".xpi", "application/x-xpinstall" },{ ".xpm", "image/x-xpixmap" },{ ".xsit", "text/xml" },{ ".xsl", "text/xml" },{ ".xul", "text/xul" },{ ".xwd", "image/x-xwindowdump" },{ ".xyz", "chemical/x-pdb" },{ ".yz1", "application/x-yz1" },{ ".z", "application/x-compress" },{ ".zac", "application/x-zaurus-zac" },{ ".zip", "application/zip" },{ "", "*/*" } };

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