How to create a HTTP server in Android

Question

I would like to create a simple HTTP server in Android for serving some content to a client   Any advice on how to build the server or use any existing library

User · Answer

You can try Restlet edition for android    The source can be downloaded from Restlet website

User · Answer

Consider this one  https   github com NanoHttpd nanohttpd  Very small  written in Java  I used it without any problem

User · Answer

Another server you can try http   tjws sf net  actually it already provides Android enabled version

User · Answer

NanoHttpd works like a charm on Android -- we have code in production  in users hands  that s built on it   The license absolutely allows commercial use of NanoHttpd  without any  viral  implications

User · Answer

If you are using kotlin consider these library  It s build for kotlin language  AndroidHttpServer is a simple demo using ServerSocket to handle http request https   github com weeChanc AndroidHttpServer https   github com ktorio ktor AndroidHttpServer is very small   but the feature is less as well  Ktor is a very nice library and the usage is simple too

User · Answer

This can be done using ServerSocket  same as on JavaSE  This class is available on Android  android permission INTERNET is required   The only more tricky part  you need a separate thread wait on the ServerSocket  servicing sub-sockets that come from its accept method  You also need to stop and resume this thread as needed  The simplest approach seems to kill the waiting thread by closing the ServerSocket  If you only need a server while your activity is on the top  starting and stopping ServerSocket thread can be rather elegantly tied to the activity life cycle methods  Also  if the server has multiple users  it may be good to service requests in the forked threads  If there is only one user  this may not be necessary   If you need to tell the user on which IP is the server listening use  NetworkInterface getNetworkInterfaces    this question may tell extra tricks   Finally  here there is possibly the complete minimal Android server that is very short  simple and may be easier to understand than finished end user applications  recommended in other answers

[android] How to create a HTTP server in Android?

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