FutureWeatherItem.java

package com.appassit.widget;

import org.androidannotations.annotations.EViewGroup;
import org.androidannotations.annotations.ViewById;

import android.content.Context;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.appassit.R;
import com.appassit.model.WeatherModel;
import com.appassit.tools.DateUtil;
import com.appassit.tools.WeatherUtil;

@EViewGroup(R.layout.layout_future_item)
public class FutureWeatherItem extends LinearLayout {

	@ViewById(R.id.ll_simple_item)
	LinearLayout ll;

	@ViewById(R.id.tv_simple_item_weather)
	TextView tvWeather;

	@ViewById(R.id.tv_simple_item_temp)
	TextView tvTemp;

	@ViewById(R.id.tv_simple_item_week)
	TextView tvWeek;

	@ViewById(R.id.iv_simple_item_Weather)
	ImageView ivWeather;

	public FutureWeatherItem(Context context) {
		super(context);
	}

	public void bind(WeatherModel model, int position) {
		if (position == 0) {
			ll.setBackgroundResource(R.drawable.simple_item_first);
		} else {
			ll.setBackgroundResource(R.drawable.simple_item);
		}

		// 如果当天的为晚上，则显示晚上天气，其余为白天天气
		if (position == 0 && !DateUtil.isSun()) {
			ivWeather.setImageResource(WeatherUtil.getIcon(model.info.night.get(1)));
			tvWeather.setText(model.info.night.get(1));
		} else {
			ivWeather.setImageResource(WeatherUtil.getIcon(model.info.day.get(1)));
			tvWeather.setText(model.info.day.get(1));
		}

		tvTemp.setText(model.info.day.get(2) + " - " + model.info.night.get(2) + "℃");
		tvWeek.setText(getDateSet(model.date));
	}

	/**
	 * 这里通过蔡勒公式算出某一天是星期几
	 */
	public String getDateSet(String date) {

		String dates[] = date.split("-");
		int y = Integer.parseInt(dates[0]) - 1;
		int m = Integer.parseInt(dates[1]);
		int d = Integer.parseInt(dates[2]);
		int c = 20;
		int w = (y + (y / 4) + (c / 4) - 2 * c + (26 * (m + 1) / 10) + d - 1) % 7;
		String myWeek = null;
		switch (w) {
		case 0:
			myWeek = "日";
			break;
		case 1:
			myWeek = "一";
			break;
		case 2:
			myWeek = "二";
			break;
		case 3:
			myWeek = "三";
			break;
		case 4:
			myWeek = "四";
			break;
		case 5:
			myWeek = "五";
			break;
		case 6:
			myWeek = "六";
			break;
		default:
			break;
		}

		return Integer.parseInt(dates[1]) + "月" + Integer.parseInt(dates[2]) + "日" + " 周" + myWeek;
	}
}