Find TextView by traverse view tree - Android User Interface

Android examples for User Interface:TextView

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Description

Find TextView by traverse view tree

Demo Code

/*//w  ww  . jav  a  2 s  . c  om
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;

import android.view.View;
import android.view.ViewGroup;

import android.widget.TextView;

public class Main {
    /**
     * Find TextView by traverse view tree
     *
     * @param view
     * @return
     */
    public static TextView findTextView(View view) {
        if (view instanceof TextView) {
            return (TextView) view;
        } else {
            if (view instanceof ViewGroup) {
                return findTextView(((ViewGroup) view).getChildAt(0));
            } else {
                return null;
            }
        }
    }
}

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