intent.ACTION_VIEW判断打开方式（源码） intent.ACTION_VIEW判断打开方式（

//根据文件后缀名匹配MIMEType
public static String getMIMEType(File file) {
String type = "*/*";
String name = file.getName();
int index = name.lastIndexOf('.');
if (index < 0) {
return type;
}
String end = name.substring(index, name.length()).toLowerCase();
if (TextUtils.isEmpty(end)) return type;
【intent.ACTION_VIEW判断打开方式（源码）】for (int i = 0; i < MIME_MapTable.length; i++) {
if (end.equals(MIME_MapTable[i][0]))
type = MIME_MapTable[i][1];
}
return type;
}
private static final String[][] MIME_MapTable = {

{".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"},{"", "*/*"}

intent.ACTION_VIEW判断打开方式（源码）

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