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/*
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* Copyright (C) 2011 Patrik Akerfeldt
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* Copyright (C) 2011 Jake Wharton
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.viewpagerindicator;
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import android.support.v4.view.ViewPager;
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/**
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* A PageIndicator is responsible to show an visual indicator on the total views
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* number and the current visible view.
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*/
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public interface PageIndicator extends ViewPager.OnPageChangeListener {
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/**
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* Bind the indicator to a ViewPager.
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*
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* @param view
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*/
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void setViewPager(ViewPager view);
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/**
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* Bind the indicator to a ViewPager.
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*
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* @param view
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* @param initialPosition
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*/
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void setViewPager(ViewPager view, int initialPosition);
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/**
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* <p>Set the current page of both the ViewPager and indicator.</p>
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*
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* <p>This <strong>must</strong> be used if you need to set the page before
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* the views are drawn on screen (e.g., default start page).</p>
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*
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* @param item
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*/
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void setCurrentItem(int item);
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/**
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* Set a page change listener which will receive forwarded events.
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*
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* @param listener
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*/
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void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
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/**
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* Notify the indicator that the fragment list has changed.
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*/
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void notifyDataSetChanged();
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}
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