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mplacona/MainActivity.java

Created November 13, 2016 10:16
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MainActivity.java
ButterKnife.bind(this);
Observable<CharSequence> loginObservable = RxTextView.textChanges(mLogin);
loginObservable
.map(this::isValidLogin)
.subscribe(isValid -> mLogin.setCompoundDrawablesRelativeWithIntrinsicBounds(null,null, (isValid ? mValidField : mInvalidField), null));
Observable<CharSequence> passwordObservable = RxTextView.textChanges(mPassword);
passwordObservable
.map(this::isValidPassword)
.subscribe(isValid -> mPassword.setCompoundDrawablesRelativeWithIntrinsicBounds(null,null, (isValid ? mValidField : mInvalidField), null));
Observable<Boolean> combinedObservables = Observable.combineLatest(loginObservable, passwordObservable, (o1, o2) -> isValidLogin(o1) && isValidPassword(o2));
combinedObservables.subscribe(isVisible -> mLoginButton.setVisibility(isVisible ? View.VISIBLE : View.GONE));
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