HomeActivity.java

package com.stone.shop.view;

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

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.listener.FindListener;

import com.stone.date.TypeDef;
import com.stone.shop.R;
import com.stone.shop.adapter.ImagePagerAdapter;
import com.stone.shop.adapter.NewsListAdapter;
import com.stone.shop.model.News;
import com.stone.ui.AutoScrollViewPager;
import com.stone.ui.ListScrollView;

/**
 * 主界面
 * 
 * @date 2014-4-24
 * @author Stone
 */
public class HomeActivity extends Activity implements OnClickListener,
		OnItemClickListener {

	@SuppressWarnings("unused")
	private static final String TAG = "HomeActivity";

	private ListScrollView listScrollView;

	// 校历
	private TextView tvWeek; // 周次和星期
	private TextView tvDay; // 年月日

	// 图片轮播
	private FrameLayout flImageAds;
	private AutoScrollViewPager viewPager;
	private List<View> mImgViews;
	private ImageButton btnHideAds;
	private int[] mImgResId = { R.drawable.ic_banner1, R.drawable.ic_banner1,
			R.drawable.ic_banner1, R.drawable.ic_banner1 };

	// 校园新闻
	private ListView lvNewsList;
	private List<News> newsList = new ArrayList<News>();
	private NewsListAdapter newsListAdapter;

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

		// 解决ScrollView和ListView之间的冲突
		listScrollView = (ListScrollView) findViewById(R.id.listScrollView);
		lvNewsList = (ListView) findViewById(R.id.lv_news);
		listScrollView.setListView(lvNewsList);

		flImageAds = (FrameLayout) findViewById(R.id.fl_image_ads);
		viewPager = (AutoScrollViewPager) findViewById(R.id.view_pager);
		btnHideAds = (ImageButton) findViewById(R.id.btn_hide_ads);

		mImgViews = new ArrayList<View>();
		for (int i = 0; i < mImgResId.length; i++) {
			ImageView imageView = new ImageView(this);
			imageView.setImageResource(mImgResId[i]);
			imageView.setScaleType(ScaleType.CENTER_CROP);
			mImgViews.add(imageView);
		}

		btnHideAds.setOnClickListener(this);

		viewPager.setAdapter(new ImagePagerAdapter(this, mImgViews));
		viewPager.setInterval(3000); // 设置自动滚动的间隔时间，单位为毫秒
		viewPager.setDirection(AutoScrollViewPager.RIGHT); // 设置自动滚动的方向，默认向右
		viewPager.setCycle(true); // 是否自动循环轮播，默认为true
		viewPager.setScrollDurationFactor(3); // 设置ViewPager滑动动画间隔时间的倍率，达到减慢动画或改变动画速度的效果
		viewPager.setStopScrollWhenTouch(true); // 当手指碰到ViewPager时是否停止自动滚动，默认为true
		viewPager.setBorderAnimation(true); // 设置循环滚动时滑动到从边缘滚动到下一个是否需要动画，默认为true
		viewPager
				.setSlideBorderMode(AutoScrollViewPager.SLIDE_BORDER_MODE_NONE);// 滑动到第一个或最后一个Item的处理方式，支持没有任何操作、轮播以及传递到父View三种模式

		viewPager.startAutoScroll();

		// 校历
		tvWeek = (TextView) findViewById(R.id.tv_week);
		tvDay = (TextView) findViewById(R.id.tv_day);
		setTime();

		// 新闻
		newsListAdapter = new NewsListAdapter(this, newsList);
		lvNewsList.setAdapter(newsListAdapter);
		lvNewsList.setOnItemClickListener(this);

		getNewsData();
	}

	/**
	 * 设置校历中日期的时间
	 */
	public void setTime() {
		Calendar calendar = Calendar.getInstance();
		String year = calendar.get(Calendar.YEAR)+"";
		String month = calendar.get(Calendar.MONTH)+1+"";
		String day = calendar.get(Calendar.DAY_OF_MONTH)+"";
		String week = calendar.get(Calendar.WEEK_OF_YEAR)-9+"";
		String dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK)+"";
		String chDayOfWeek = TypeDef.chDayOfWeek[Integer.parseInt(dayOfWeek)-1];
		toast(year+"-"+month+"-"+day+" "+" 第 "+week+" 周 "+" "+" 星期 "+chDayOfWeek);
		tvWeek.setText(" 第 "+week+" 周 "+" "+" 星期 "+chDayOfWeek);
		tvDay.setText(year+" 年 "+month+" 月 "+day+" 日");
	}

	/**
	 * 初始化新闻列表数据
	 * @date 2014-5-3
	 * @author Stone
	 */
	public void getNewsData() {
		BmobQuery<News> query = new BmobQuery<News>();
		query.order("-updatedAt");
		query.findObjects(this, new FindListener<News>() {

			@Override
			public void onSuccess(List<News> object) {
				newsList = object;
				// 通知Adapter数据更新
				newsListAdapter.refresh((ArrayList<News>) newsList);
				newsListAdapter.notifyDataSetChanged();
			}

			@Override
			public void onError(int arg0, String arg1) {
				toast("都怪小菜我, 获取数据失败了");
			}
		});
	}

	@Override
	protected void onResume() {
		super.onResume();
		// start auto scroll when onResume
		viewPager.startAutoScroll();
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.btn_hide_ads:
			flImageAds.setVisibility(View.GONE);
			break;

		default:
			break;
		}
	}

	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position,
			long id) {
		Intent toNewsDetail = new Intent(HomeActivity.this, NewsActivity.class);
		toNewsDetail.putExtra("NewsID", newsList.get(position).getObjectId());
		toNewsDetail.putExtra("NewsTitle", newsList.get(position).getTitle());
		toNewsDetail.putExtra("NewsAuthor", newsList.get(position).getAuthor());
		toNewsDetail.putExtra("NewsTime", newsList.get(position).getCreatedAt());
		toNewsDetail.putExtra("NewsContent", newsList.get(position).getContent());
		startActivity(toNewsDetail);
	}

	public void toast(String toast) {
		Toast.makeText(this, toast, Toast.LENGTH_SHORT);
	}
	
	public void clickBack(View v) {
		finish();
	}

}