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I want to know how that is there any library or code that create small chunks of file to achieve multiple download & multithreading with Pause, Resume functionality

Suppose in play store you can find many download manager app like below

https://play.google.com/store/apps/details?id=com.dv.adm

enter image description here

i have find many library in Github but still did not achieved as I have showed in above image

https://github.com/majidgolshadi/Android-Download-Manager-Pro

https://github.com/Aspsine/MultiThreadDownload

Siddhpura Amit
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2 Answers2

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I don't really know if any of this is correct, but from what I can read here you have to use HEAD and RANGE http headers to do something like this. You calculate the filesize and then divide into chunks of the same byte size, then generate threads to download them.

Samuele Pontremoli
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0

You can use ThreadPoolExecutor to easily manage multiple threads and work distribution. The ThreadPoolExecutor manages thread creation and termination as needed.

It can look quite intimidating at first glance but it really is rather simple when you take 10 minutes to read about it.

Custom pool constructor looks something like this:

Executor executor = new ThreadPoolExecutor(
     int corePoolSize, 
     int maximumPoolSize, 
     long keepAliveTime, TimeUnit unit, 
     BlockingQueue<Runnable> workQueue, 
     ThreadFactory threadFactory, 
     RejectedExecutionHandler handler 
);

And then:

executor.execute(runnable);

You can also use built-in executors.

You can read more about it here: ThreadPoolExecutor on the Android developers site

Yossi Segev
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