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Demo that shows how to use RxJava with Android Data Binding ObservableFields
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TangoAgency/android-data-binding-rxjava
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Simple demo developed with love atTango which demonstrates how to wrap Android DataBinding ObservableField into RxJava's Observable.
With this solution it is possible to register for ObservableField's value changes and use it with RxJava operators.
You can read Medium story which explains this concept -RxJava meets Android Data Binding.
publicstaticclassMainViewModel {publicObservableField<String>firstName =newObservableField<>();publicObservableField<String>lastName =newObservableField<>();publicObservableField<String>helloText =newObservableField<>();publicObservableBooleanhelloButtonEnabled =newObservableBoolean(false);publicMainViewModel() {Observable.combineLatest(toObservable(firstName),toObservable(lastName), (firstName,lastName) ->StringUtils.isNotNullOrEmpty(firstName) &&StringUtils.isNotNullOrEmpty(lastName)) .subscribe(result -> {helloButtonEnabled.set(result);if (!result) {helloText.set(StringUtils.EMPTY); } },Throwable::printStackTrace); }publicvoidbuttonClicked() {helloText.set(String.format("Hello %s %s !",firstName.get(),lastName.get())); }}
You can findtoObservable method implementation inRxUtils.java class.
It uses ObservableField'sOnPropertyChangedCallback and expose property change events to the "RxWorld".
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Demo that shows how to use RxJava with Android Data Binding ObservableFields
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