46 lines
1.7 KiB
Java
Executable file
46 lines
1.7 KiB
Java
Executable file
/*
|
|
* Copyright 2014 Soichiro Kashima
|
|
*
|
|
* 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.github.ksoichiro.android.observablescrollview;
|
|
|
|
/**
|
|
* Callbacks for Scrollable widgets.
|
|
*/
|
|
public interface ObservableScrollViewCallbacks {
|
|
/**
|
|
* Called when the scroll change events occurred.
|
|
* This won't be called just after the view is laid out, so if you'd like to
|
|
* initialize the position of your views with this method, you should call this manually
|
|
* or invoke scroll as appropriate.
|
|
*
|
|
* @param scrollY scroll position in Y axis
|
|
* @param firstScroll true when this is called for the first time in the consecutive motion events
|
|
* @param dragging true when the view is dragged and false when the view is scrolled in the inertia
|
|
*/
|
|
public void onScrollChanged(int scrollY, boolean firstScroll, boolean dragging);
|
|
|
|
/**
|
|
* Called when the down motion event occurred.
|
|
*/
|
|
public void onDownMotionEvent();
|
|
|
|
/**
|
|
* Called when the dragging ended or canceled.
|
|
*
|
|
* @param scrollState state to indicate the scroll direction
|
|
*/
|
|
public void onUpOrCancelMotionEvent(ScrollState scrollState);
|
|
}
|