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AndroidRX - run method in background

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独厮守ぢ
独厮守ぢ 2021-02-12 15:38

I created simple activity with infinity progres bar, and I\'am trying to run time consuming method using RxJava to prevent UI thread from blocking, but everytime UI thread is bl

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  • 猫巷女王i
    猫巷女王i (楼主)
    2021-02-12 16:16

    With RxJava2 a possible solution is:

    Version with lambdas:

    Single.fromCallable(() -> loadInBackground())
    .subscribeOn(Schedulers.io())
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe((resultObject) -> { updateUi(resultObject) });

    Version without lambdas:

    Single.fromCallable(new Callable() {
    @Override
    public Object call() throws Exception {
        return loadInBackground();
    }
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Consumer() {
    @Override
    public void accept(Object resultObject) throws Exception {
        updateUi(resultObject);
    }
 });



    Example methods used above:
    


    private Object loadInBackground() {
    // some heavy load code
    return resultObject;
}

private void updateUi(Object resultObject) {
    // update your Views here
}

    
    
    
             
    
                                                        
    
            
            
    
              
                
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