Created
March 3, 2017 20:23
-
-
Save TonyTangAndroid/35bd8c9d2eb0fba8206c955dbf1dc1d5 to your computer and use it in GitHub Desktop.
The submit button only gets enabled if username and password have a length>=3
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| emailChangeObservable = RxTextView.textChangeEvents(email); | |
| passwordChangeObservable = RxTextView.textChangeEvents(password); | |
| // force-disable the button | |
| submitButton.setEnabled(false); | |
| Observable.combineLatest(emailChangeObservable, passwordChangeObservable, | |
| (emailObservable, passwordObservable) -> { | |
| boolean emailCheck = emailObservable.text().length() >= 3; | |
| boolean passwordCheck = passwordObservable.text().length() >= 3; | |
| return emailCheck && passwordCheck; | |
| }).subscribe(aBoolean -> { | |
| submitButton.setEnabled(aBoolean); | |
| }); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
taken from https://medium.com/swlh/party-tricks-with-rxjava-rxandroid-retrolambda-1b06ed7cd29c#.w6agbuzg3