Menu
Hi I am reading about rxjava2 which is basically for async operations. I found it has an operator concept which AsyncTask in android does not.
How else is rxjava2 different than AsyncTask?
604
AsyncTask are similar, in fact, they make use of Handler , but doesn't run in the UI thread, so it's good for fetching data, for instance fetching web services. Later you can interact with the UI. Thread however can't interact with the UI, provide more "basic" threading and you miss all the abstractions of AsyncTask .
Thread can be triggered from any thread, main(UI) or background; but AsyncTask must be triggered from main thread. Also on lower API of Android(not sure, maybe API level < 11), one instance of AsyncTask can be executed only once. Long task in general.
This method is used to display any form of progress in the user interface while the background computation is still executing. For instance, it can be used to animate a progress bar or show logs in a text field. onPostExecute(Result) , invoked on the UI thread after the background computation finishes.
RxJava is a JVM library that uses observable sequences to perform asynchronous and event-based programming. Its primary building blocks are triple O's, which stand for Operator, Observer, and Observables. And we use them to complete asynchronous tasks in our project. It greatly simplifies multithreading in our project.
RxJava is not "basically for async operation". That is only one aspect of it.
asyncTask to perform some operations.Flowable chains, while Observable chains have no back pressure requirements. The former is appropriate where buffering is required or explicit acknowledgment of dropped information needs to be made.asyncTask just handles asynchronous tasks.
81
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
