spring - APK file cannot be downloaded completely in android browser ,but can be download successfully in PC from my same web server? -

-

question:
apk file can not downloaded android browser, can downloaded @ pc's browser. actually, apk file has 5.9 mb, can downloaded 1.2kb in total. therefore, got 'analyzed failed' error.

web server: linux + tomcat 7.x + jdk1.7 , , set apk mime type in tomcat server web.xml.
web app: spring 4.0.2 + spring mvc + mybatis,

test link: http://127.0.0.1:8080/testapk/appstore/download
download function:

 @requestmapping(value = "/appstore/download", method = requestmethod.get) public responseentity<byte[]> download() throws ioexception {     httpheaders headers = new httpheaders();     headers.setcontenttype(mediatype.application_octet_stream);     //linux env.     file file = new file("/usr/appstore/test.apk");     if (!file.exists()) {         //test env. windows         file = new file("d:/test.apk");         if(!file.exists()){             throw new filenotfoundexception("oops! can not find app file.");         }     }     string filename = filenameutils.getname(file.getabsolutepath());     //     filename=new string(filename.getbytes("utf-8"),"iso-8859-1");     headers.setcontentdispositionformdata("attachment", filename);     //     return new responseentity<byte[]>(fileutils.readfiletobytearray(file),             headers, httpstatus.created); }

i solved following bradford200's advice. think reason had not add annotation of produces="application/apk, or reason had not add other headers, , new code @ below:

@requestmapping(value = "/appstore/download", method = requestmethod.get, produces="application/apk") public responseentity<inputstreamresource> download() throws ioexception {      file file = new file("/usr/appstore/test.apk");     if (!file.exists()) {         file = new file("d:/test.apk");         if(!file.exists()) {             throw new filenotfoundexception("oops! file not found");         }     }      inputstreamresource isresource = new inputstreamresource(new fileinputstream(file));     filesystemresource filesystemresource = new filesystemresource(file);     string filename = filenameutils.getname(file.getabsolutepath());     filename=new string(filename.getbytes("utf-8"),"iso-8859-1");     httpheaders headers = new httpheaders();     headers.setcontenttype(mediatype.application_octet_stream);     headers.add("cache-control", "no-cache, no-store, must-revalidate");     headers.add("pragma", "no-cache");     headers.add("expires", "0");     headers.setcontentlength(filesystemresource.contentlength());     headers.setcontentdispositionformdata("attachment", filename);     return new responseentity<inputstreamresource>(isresource, headers, httpstatus.ok); }

Comments

Post a Comment

Popular posts from this blog

html - Firefox flex bug applied to buttons? -

-
i'm trying apply flex button on firefox i'm having problem on chrome doesn't happens. this css: .button { display: inline-flex; align-items: center; } as can see in fiddle, "caret" word moved new line, happens if element <button> tag, <div> works expected. http://codepen.io/anon/pen/xblmgx is firefox bug or there css i'm missing? nevermind, looks "mr firefox" doesn't idea... <button> not implementable (by browsers) in pure css, bit of black box, perspective of css. means don't react in same way e.g. <div> would. this isn't specific flexbox -- e.g. don't render scrollbars if put "overflow:scroll" on button, , don't render table if put "display:table" on it. stepping further, isn't specific <button> . consider <fieldset> , <table> have special rendering behavior: data:text/html,<fieldset style="d...
Read more

html - Missing border-right in select on Firefox -

-
Image
when put select div width , padding-left, options have no border on right. more, happend if select have width 118px , parent have 15px of padding left! have idea, going on? my code: <!doctype html> <html> <head lang="en"> </head> <body> <div style="width: 1000px; padding-left: 15px;"> <select style="width: 118px;"> <option>a</option> <option>b</option> <option>c</option> </select> </div> </body> </html> and result: here plunker: click it happend on firefox on windows. tested on 40.0.2 version -webkit-box-sizing: border-box; -moz-box-sizing: border-box; -ms-box-sizing: border-box; box-sizing: border-box; source: https://stackoverflow.com/a/11390432/4431269 source of problem: https://bugzilla.mozilla.org/show_bug.cgi?id=924068 and use of google ! edit: (source of problem, explained) after rea...
Read more

python - build a suggestions list using fuzzywuzzy -

-
i building suggestion engine database. i'm using fuzzywuzzy module match user input string existing database shown below. if request.method == "get": display_dict = {} user_input = request.get["user_input"] # user input match_dict = {} food_items_obj = food_items.objects.all() # fetch objects table items in food_items_obj : match = fuzz.ratio(user_input.lower(),items.name.lower()) # try match user input existing names match_dict[match] = items.name # put 1 dictionary matched_dict = ordereddict(sorted(match_dict.items(),reverse = true)) # sort dictionary if max(matched_dict.keys()) == 100: # if exact match put in dict , return display_dict[100] = matched_dict[100] else : # if not found try best matching words.. ###########this part need help! ############# k,v in matched_dict.items(): if user_input in v : display_dict[k]...
Read more