Java tutorial
/* * Copyright (C) 2012 www.amsoft.cn * * 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.bangqu.eshow.adapter; import android.content.Context; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.view.View; import java.util.ArrayList; import java.util.HashMap; /** * ??ViewPager? * */ public class ESViewPagerAdapter extends PagerAdapter { /** The m context. */ private Context mContext; /** The m list views. */ private ArrayList<View> mListViews = null; /** The m views. */ private HashMap<Integer, View> mViews = null; /** * Instantiates a new ab view pager adapter. * @param context the context * @param mListViews the m list views */ public ESViewPagerAdapter(Context context, ArrayList<View> mListViews) { this.mContext = context; this.mListViews = mListViews; this.mViews = new HashMap<Integer, View>(); } /** * ????. * * @return the count * @see android.support.v4.view.PagerAdapter#getCount() */ @Override public int getCount() { return mListViews.size(); } /** * ??Object?View. * * @param arg0 the arg0 * @param arg1 the arg1 * @return true, if is view from object * @see android.support.v4.view.PagerAdapter#isViewFromObject(android.view.View, java.lang.Object) */ @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == (arg1); } /** * ??View. * * @param container the container * @param position the position * @return the object * @see android.support.v4.view.PagerAdapter#instantiateItem(android.view.View, int) */ @Override public Object instantiateItem(View container, int position) { View v = mListViews.get(position); ((ViewPager) container).addView(v); return v; } /** * ??View. * * @param container the container * @param position the position * @param object the object * @see android.support.v4.view.PagerAdapter#destroyItem(android.view.View, int, java.lang.Object) */ @Override public void destroyItem(View container, int position, Object object) { ((ViewPager) container).removeView((View) object); } /** * ??????notifyDataSetChanged. * * @param object the object * @return the item position * @see android.support.v4.view.PagerAdapter#getItemPosition(java.lang.Object) */ @Override public int getItemPosition(Object object) { return POSITION_NONE; } }