Validates each text supplied, displays message if any are invalid. - Android User Interface

Android examples for User Interface:EditText

  1. HOME
  2. Android
  3. User Interface
  4. EditText

Description

Validates each text supplied, displays message if any are invalid.

Demo Code

/*//from w  w w.  j a v a2 s.  c o m
 * Copyright 2013 ForgeRock AS.
 *
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions copyright [year] [name of copyright owner]".
 */
import android.content.Context;
import android.net.Uri;
import android.widget.EditText;
import java.net.MalformedURLException;
import java.net.URL;

public class Main{
    /**
     * Validates each text supplied, displays message if any are invalid.
     *
     * @param context Activity this validation was called from
     * @param textEntry The text entries to
     * @return true if all texts validate, false otherwise
     */
    public static boolean validateAllText(Context context,
            EditText... textEntry) {
        for (EditText text : textEntry) {
            if (!validateText(text.getText().toString())) {
                AndroidUtils.showToast(text.getHint(), context);
                return false;
            }
        }

        return true;
    }
    /**
     * Validates a string isn't empty.
     *
     * @param text to check
     * @return true if the string is not null and its length is > 0
     */
    private static boolean validateText(String text) {
        if (text != null && text.length() > 0) {
            return true;
        }

        return false;
    }
}

Related Tutorials