RxDebounceExample.java

 private void debounceWithRx(EditText text){
        Observable<CharSequence> editTextStream = RxTextView.textChanges(text);
        editTextStream.debounce(500, TimeUnit.MILLISECONDS)
                .subscribe(input -> {
                    //... network request, etc...//
                });
    }
    
    Handler handler = new Handler();
    Runnable runnable;
    
    private void debounceWithoutRx(EditText text){
        text.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                if(runnable != null){
                    handler.removeCallbacks(runnable);
                }
                runnable = new Runnable() {
                    @Override
                    public void run() {
                        //... network request, etc...//
                    }
                };
                handler.postDelayed(runnable, 500);
            }
        });
    }