/*
* Copyright (C) 2011 Patrik Akerfeldt
* Copyright (C) 2011 Jake Wharton
*
* 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.viewpagerindicator;
import android.support.v4.view.ViewPager;
/**
* A PageIndicator is responsible to show an visual indicator on the total views
* number and the current visible view.
*/
public interface PageIndicator extends ViewPager.OnPageChangeListener {
/**
* Bind the indicator to a ViewPager.
*
* @param view
*/
public void setViewPager(ViewPager view);
/**
* Bind the indicator to a ViewPager.
*
* @param view
* @param initialPosition
*/
public void setViewPager(ViewPager view, int initialPosition);
/**
* <p>Set the current page of both the ViewPager and indicator.</p>
*
* <p>This <strong>must</strong> be used if you need to set the page before
* the views are drawn on screen (e.g., default start page).</p>
*
* @param item
*/
public void setCurrentItem(int item);
/**
* Set a page change listener which will receive forwarded events.
*
* @param listener
*/
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
/**
* Notify the indicator that the fragment list has changed.
*/
public void notifyDataSetChanged();
}