Last active
August 29, 2015 14:23
-
-
Save DavidRyan/e0dfe7c814d7ae014723 to your computer and use it in GitHub Desktop.
This file contains 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
public class RxValidationActivity extends ActionBarActivity { | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_rx_validation); | |
TextView mInputField = (TextView) findViewById(R.id.input); | |
TextInputLayout mInputLayout = (TextInputLayout) findViewById(R.id.input_layout); | |
TextView mPasswordInputField = (TextView) findViewById(R.id.password); | |
TextInputLayout mPasswordInputLayout = (TextInputLayout) findViewById(R.id.password_layout); | |
ViewObservable.text(mInputField) | |
.compose(mapString()) | |
.compose(validateInput()) | |
.compose(debounceOnMain(1)) | |
.subscribe(valid -> { | |
mInputLayout.setErrorEnabled(!valid); | |
if (!valid) { | |
mInputLayout.setError("Invalid email"); | |
} | |
}); | |
ViewObservable.text(mPasswordInputField) | |
.compose(mapString()) | |
.compose(validatePassword()) | |
.compose(debounceOnMain(1)) | |
.subscribe(valid -> { | |
mPasswordInputLayout.setErrorEnabled(!valid); | |
if (!valid) { | |
mPasswordInputLayout.setError("Invalid Password"); | |
} | |
}); | |
} | |
public static Observable.Transformer<TextView, String> mapString() { | |
return observable -> observable.map(textView -> textView.getText().toString()); | |
} | |
public static Observable.Transformer<String, Boolean> validateInput() { | |
return observable -> observable.map(text -> text.matches(Patterns.EMAIL_ADDRESS.toString())); | |
} | |
public static Observable.Transformer<String, Boolean> validatePassword() { | |
return observable -> observable.map(text -> text.matches("password")); | |
} | |
public static Observable.Transformer<Boolean, Boolean> debounceOnMain(long aSeconds) { | |
return aIn1 -> aIn1.debounce(aSeconds, TimeUnit.SECONDS).observeOn(AndroidSchedulers.mainThread()); | |
} | |
<android.support.design.widget.TextInputLayout | |
android:layout_width="match_parent" | |
android:id="@+id/input_layout" | |
android:layout_height="wrap_content"> | |
<EditText | |
android:id="@+id/input" | |
android:hint="Email" | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content"/> | |
</android.support.design.widget.TextInputLayout> | |
<android.support.design.widget.TextInputLayout | |
android:layout_below="@id/input_layout" | |
android:layout_width="match_parent" | |
android:id="@+id/password_layout" | |
android:layout_height="wrap_content"> | |
<EditText | |
android:id='@+id/password' | |
android:layout_marginTop="20dp" | |
android:hint="Password" | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content"/> | |
</android.support.design.widget.TextInputLayout> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment