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A general and simple library for Android
There is a newer version: 1.10.1
/*
 * Copyright (C) 2017 HaiYang Li
 *
 * 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.landawn.abacus.android.util;

import com.landawn.abacus.android.util.Async.UIExecutor;
import com.landawn.abacus.android.util.Observer.ViewObserver;
import com.landawn.abacus.util.N;
import com.landawn.abacus.util.Try;
import com.landawn.abacus.util.Tuple;
import com.landawn.abacus.util.Tuple.Tuple5;
import com.landawn.abacus.util.function.Consumer;

import android.view.View;
import android.view.View.OnScrollChangeListener;

// TODO: Auto-generated Javadoc
/**
 * The Class ObserverX.
 *
 * @author Haiyang Li
 * @param 
 * @since 0.9
 */
public abstract class ObserverX {

    /**
     * Instantiates a new observer X.
     */
    ObserverX() {

    }

    /**
     *
     * @param 
     * @param 
     * @param view
     * @return
     */
    public static > ViewObserverX of(final T view) {
        return new ViewObserverX<>(view);
    }

    /**
     * The Class ViewObserverX.
     *
     * @param 
     * @param 
     */
    public static class ViewObserverX> extends ViewObserver> {

        /**
         * Instantiates a new view observer X.
         *
         * @param view
         */
        ViewObserverX(T view) {
            super(view);
        }

        /**
         * On scroll change.
         *
         * @param onNext
         * @return
         */
        public Disposable onScrollChange(final OnScrollChangeListener onNext) {
            return onScrollChange(onNext, CommonUtils.ON_ERROR_MISSING);
        }

        /**
         * On scroll change.
         *
         * @param onNext
         * @param onError
         * @return
         */
        public Disposable onScrollChange(final OnScrollChangeListener onNext, final Consumer onError) {
            return onScrollChange(onNext, onError, CommonUtils.EMPTY_ACTION);
        }

        /**
         * On scroll change.
         *
         * @param onNext
         * @param onError
         * @param onComplete
         * @return
         */
        public Disposable onScrollChange(final OnScrollChangeListener onNext, final Consumer onError, final Runnable onComplete) {
            N.checkArgNotNull(onNext, "onNext");
            N.checkArgNotNull(onError, "onError");
            N.checkArgNotNull(onComplete, "onComplete");

            dispatcher.append(new DispatcherBase