【发布时间】:2018-05-28 07:13:49
【问题描述】:
我已经在我的项目中用这样的黄油刀实现了 rxjava:
@BindView(R.id.login_et)
EditText mLoginField;
@BindView(R.id.password_et)
EditText mPassField;
@BindView(R.id.login_bt)
Button mLoginButton;
@BindDrawable(R.drawable.error)
Drawable mInvalidField;
@BindDrawable(R.drawable.check_green)
Drawable mValidField;
并像这样验证我的输入字段和按钮:
rx.Observable<CharSequence> loginObservable = RxTextView.textChanges(mLoginField);
loginObservable.map(this::isValidLogin)
.subscribe(isValid -> mLoginField.setCompoundDrawablesRelativeWithIntrinsicBounds(null, null, (isValid? mValidField : mInvalidField), null));
rx.Observable<CharSequence> passwordObservable = RxTextView.textChanges(mPassField);
passwordObservable.map(this::isValidPassword)
.subscribe(isValid -> mPassField.setCompoundDrawablesRelativeWithIntrinsicBounds(null, null, (isValid ? mValidField : mInvalidField), null));
rx.Observable<Boolean> combinedObservables = rx.Observable.combineLatest(loginObservable, passwordObservable, (o1, o2) -> isValidLogin(o1) && isValidPassword(o2));
combinedObservables.subscribe(isColorChanged -> mLoginButton.setBackgroundColor(isColorChanged ? getResources().getColor(R.color.red): getResources().getColor(R.color.green)));
我的活动布局中有一个无线电组和三个微调器,我很困惑如何在无线电组和微调器上执行 RxBindings 以进行表单验证。
【问题讨论】:
标签: android android-spinner rx-java2 radio-group