GuideActivity.java

package com.withiter.quhao.activity;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;

import com.withiter.quhao.R;
import com.withiter.quhao.util.tool.QuhaoConstant;
import com.withiter.quhao.util.tool.SharedprefUtil;

/**
 */
public class GuideActivity extends Activity implements OnPageChangeListener {

	private ViewPager vp;
	private ViewPagerAdapter vpAdapter;
	private List<View> views;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.guide);

		// 初始化页面
		initViews();

	}

	private void initViews() {
		LayoutInflater inflater = LayoutInflater.from(this);

		views = new ArrayList<View>();
		// 初始化引导图片列表
		views.add(inflater.inflate(R.layout.what_new_one, null));
		views.add(inflater.inflate(R.layout.what_new_two, null));
		views.add(inflater.inflate(R.layout.what_new_three, null));
		views.add(inflater.inflate(R.layout.what_new_four, null));

		// 初始化Adapter
		vpAdapter = new ViewPagerAdapter(views, this);
		
		vp = (ViewPager) findViewById(R.id.viewpager);
		vp.setAdapter(vpAdapter);
		// 绑定回调
		vp.setOnPageChangeListener(this);
	}


	// 当滑动状态改变时调用
	@Override
	public void onPageScrollStateChanged(int arg0) {
	}

	// 当当前页面被滑动时调用
	@Override
	public void onPageScrolled(int arg0, float arg1, int arg2) {
	}

	// 当新的页面被选中时调用
	@Override
	public void onPageSelected(int arg0) {
		// 设置底部小点选中状态
	}

}

class ViewPagerAdapter extends PagerAdapter {

	// 界面列表
	private List<View> views;
	private Activity activity;

	public ViewPagerAdapter(List<View> views, Activity activity) {
		this.views = views;
		this.activity = activity;
	}

	// 销毁arg1位置的界面
	@Override
	public void destroyItem(View arg0, int arg1, Object arg2) {
		((ViewPager) arg0).removeView(views.get(arg1));
	}

	@Override
	public void finishUpdate(View arg0) {
	}

	// 获得当前界面数
	@Override
	public int getCount() {
		if (views != null) {
			return views.size();
		}
		return 0;
	}

	// 初始化arg1位置的界面
	@Override
	public Object instantiateItem(View arg0, int arg1) {
		((ViewPager) arg0).addView(views.get(arg1), 0);
		if (arg1 == views.size() - 1) {
//			ImageView mStartWeiboImageButton = (ImageView) arg0
//					.findViewById(R.id.iv_start_weibo);
//			mStartWeiboImageButton.setOnClickListener(new OnClickListener() {
//
//				@Override
//				public void onClick(View v) {
//					// 设置已经引导
//					setGuided();
//					goHome();
//
//				}
//
//			});
			
			views.get(arg1).setOnClickListener(new OnClickListener() {

				@Override
				public void onClick(View v) {
					// 设置已经引导
					setGuided();
					goHome();

				}

			});
		}
		return views.get(arg1);
	}

	private void goHome() {
		// 跳转
		Intent intent = new Intent(activity, MainTabActivityS.class);
		activity.startActivity(intent);
		activity.finish();
	}

	/**
	 * 
	 * method desc：设置已经引导过了，下次启动不用再次引导
	 */
	private void setGuided() {
		SharedprefUtil.put(activity, QuhaoConstant.IS_FIRST_IN, "false");
	}

	// 判断是否由对象生成界面
	@Override
	public boolean isViewFromObject(View arg0, Object arg1) {
		return (arg0 == arg1);
	}

	@Override
	public void restoreState(Parcelable arg0, ClassLoader arg1) {
	}

	@Override
	public Parcelable saveState() {
		return null;
	}

	@Override
	public void startUpdate(View arg0) {
	}

}