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Java Source Code
/*
* Copyright (C) 2014 Freddie (Musenkishi) Lust-Hed
*/*www.java2s.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.musenkishi.wally.views;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.ScrollView;
/**
* An Observable ScrollView. With the included ScrollViewListener,
* it's possible to be notified when the user scrolls the content.
*
* Created by Freddie (Musenkishi) Lust-Hed on 2014-09-29.
*/publicclass ObservableScrollView extends ScrollView {
private ScrollViewListener scrollViewListener = null;
publicinterface ScrollViewListener {
void onScrollChanged(ObservableScrollView scrollView, int x, int y, int oldx, int oldy);
}
public ObservableScrollView(Context context) {
super(context);
}
public ObservableScrollView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public ObservableScrollView(Context context, AttributeSet attrs) {
super(context, attrs);
}
publicvoid setScrollViewListener(ScrollViewListener scrollViewListener) {
this.scrollViewListener = scrollViewListener;
}
@Override
protectedvoid onScrollChanged(int x, int y, int oldx, int oldy) {
super.onScrollChanged(x, y, oldx, oldy);
if(scrollViewListener != null) {
scrollViewListener.onScrollChanged(this, x, y, oldx, oldy);
}
}
}