android - Disable use of AsyncTask, using custom AsyncTask -

-

i have following implementation of asynctask, allowing multiple asynctasks run concurrently:

public abstract class myasynctask<params, progress, result> extends asynctask<params, progress, result> {      public asynctask<params, progress, result> executecompat(params... params) {         if (build.version.sdk_int >= build.version_codes.honeycomb) {             return executeonexecutor(thread_pool_executor, params);         } else {             return execute(params);         }     } }

now avoid confusion , accidental use of normal asynctask, block access code to:

  • the asynctask class, myasynctask should used.
  • the execute() function in myasynctask.

is possible this?

my idea of doing bit different. instead of extending asynctask class, can create method takes parameter asynctask want use. here example:

public void executeasynctask(asynctask asynctask) {     if (build.version.sdk_int >= build.version_codes.honeycomb) {         asynctask.executeonexecutor(thread_pool_executor, params);     } else {         asynctask.execute(params);     } }

with need instantiate asynctask want use without worrying problems mentioned since extending android's asynctask class having overriden execute method way want. lets have defined asynctask named customasynctask, execute call executeasynctask(new customasynctask(your_params)); can define above method in static class (making method static) easier access.

hope helps:)


Comments

Post a Comment

Popular posts from this blog

c# - SVN Error : "svnadmin: E205000: Too many arguments" -

-
i trying reposotries using c# code process svncommand = null; var psi = new processstartinfo("svnadmin"); psi.redirectstandardoutput = true; psi.redirectstandarderror = true; psi.useshellexecute = false; psi.arguments= @"dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump"; using (svncommand = process.start(psi)) { var myoutput = svncommand.standardoutput; var myerror = svncommand.standarderror; debug.write("output :" + environment.newline + environment.newline + myoutput.readtoend() + environment.newline + "error :" + environment.newline + environment.newline + myerror.readtoend()); svncommand.close(); } when use dump command commandline svnadmin dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump it works fine when try ...
Read more

c++ - Using OpenSSL in a multi-threaded application -

-
i have been writing soap client application in c++ on ubuntu using openssl https transport , pthreads threading. have number of threads - 1 central data acquisition thread periodically gets worker threads make soap requests via shared mutex protected queues. reading documentation openssl found is openssl thread-safe? in openssl faq describes mechanisms required ensure thread safety when using openssl. implemented , works fine. the reason question conceptual difficulty really. thinking implementing same functionality application has already, instead of using threads, create 2 seperate applications : 1 worker thread (of multiple copies running) , main data acquisition thread. use tcp sockets communicate between 2 rather mutex protected queues. may bad idea not important - confusing me would have implement same functions required ensure openssl thread safety in second approach or not? my guess not have , treated independent (indeed surely must many applications use openssl) re...
Read more

All overlapping substrings matching a java regex -

-
is there api method returns (possibly overlapping) substrings match regular expression? for example, have text string: string t = 04/31 412-555-1235; , , have pattern: pattern p = new pattern("\\d\\d+"); matches strings of 2 or more characters. the matches are: 04, 31, 412, 555, 1235. how overlapping matches? i want code return: 04, 31, 41, 412, 12, 55, 555, 55, 12, 123, 1235, 23, 235, 35. theoretically should possible -- there obvious o(n^2) algorithm enumerates , checks substrings against pattern. edit rather enumerating substrings, safer use region(int start, int end) method in matcher . checking pattern against separate, extracted substring might change result of match (e.g. if there non-capturing group or word boundary check @ start/end of pattern). edit 2 actually, it's unclear whether region() expect zero-width matches. specification vague, , experiments yield disappointing results. for example: string line = "xx90xx"; strin...
Read more