实例介绍
【实例截图】
【核心代码】
package org.baiyuliang.viewdemo.main; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import org.baiyuliang.viewdemo.R; import org.baiyuliang.viewdemo.view.MyCalendar; import org.baiyuliang.viewdemo.view.MyCalendar.OnDaySelectListener; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Context; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.graphics.Color; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.ViewGroup.LayoutParams; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; /** * * @author baiyuliang * */ @SuppressLint("SimpleDateFormat") public class MainActivity extends Activity implements OnDaySelectListener { LinearLayout ll; MyCalendar c1; Date date; String nowday; long nd = 1000 * 24L * 60L * 60L;// 一天的毫秒数 SimpleDateFormat simpleDateFormat, sd1, sd2; SharedPreferences sp; Editor editor; private String inday, outday, sp_inday, sp_outday; private String format; private String inDay, outDay; private List<View> inlist = new ArrayList<View>(); private List<View> outlist = new ArrayList<View>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); sp = getSharedPreferences("date", Context.MODE_PRIVATE); // 本地保存 sp_inday = sp.getString("dateIn", ""); sp_outday = sp.getString("dateOut", ""); editor = sp.edit(); simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd"); nowday = simpleDateFormat.format(new Date()); Calendar calendar = Calendar.getInstance(); // 得到日历 calendar.setTime(new Date());// 把当前时间赋给日历 calendar.add(Calendar.DAY_OF_MONTH, 2); // 设置为前二天 Date time = calendar.getTime(); // 得到前二天的时间 format = simpleDateFormat.format(time); sd1 = new SimpleDateFormat("yyyy"); sd2 = new SimpleDateFormat("dd"); ll = (LinearLayout) findViewById(R.id.ll); init(); } private void init() { List<String> listDate = getDateList(); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); for (int i = 0; i < listDate.size(); i ) { c1 = new MyCalendar(this); c1.setLayoutParams(params); Date date = null; try { date = simpleDateFormat.parse(listDate.get(i)); } catch (ParseException e) { e.printStackTrace(); } if (!"".equals(sp_inday)) { inDay = sp_inday; } else { inDay = nowday; } if (!"".equals(sp_outday)) { outday = sp_outday; } else { outday = format; } c1.setInDay(inDay); c1.setOutDay(outday); c1.setTheDay(date); c1.setOnDaySelectListener(this); ll.addView(c1); } } @Override public void onDaySelectListener(View view, String date) { // 若日历日期小于当前日期,或日历日期-当前日期超过三个月,则不能点击 try { if (simpleDateFormat.parse(date).getTime() < simpleDateFormat.parse(nowday).getTime()) { return; } long dayxc = (simpleDateFormat.parse(date).getTime() - simpleDateFormat.parse(nowday).getTime()) / nd; if (dayxc > 90) { return; } } catch (ParseException e) { e.printStackTrace(); } // 若以前已经选择了日期,则在进入日历后会显示以选择的日期,该部分作用则是重新点击日历时,清空以前选择的数据(包括背景图案) if (!"".equals(sp_inday)) { c1.viewIn.setBackgroundColor(Color.WHITE); ((TextView) c1.viewIn.findViewById(R.id.tv_calendar_day)).setTextColor(Color.BLACK); ((TextView) c1.viewIn.findViewById(R.id.tv_calendar)).setText(""); } if (!"".equals(sp_outday)) { c1.viewOut.setBackgroundColor(Color.WHITE); ((TextView) c1.viewOut.findViewById(R.id.tv_calendar_day)).setTextColor(Color.BLACK); ((TextView) c1.viewOut.findViewById(R.id.tv_calendar)).setText(""); } String dateDay = date.split("-")[2]; if (Integer.parseInt(dateDay) < 10) { dateDay = date.split("-")[2].replace("0", ""); } TextView textDayView = (TextView) view.findViewById(R.id.tv_calendar_day); TextView textView = (TextView) view.findViewById(R.id.tv_calendar); view.setBackgroundColor(Color.parseColor("#33B5E5")); textDayView.setTextColor(Color.WHITE); if (inlist.size() > 0 && outlist.size() > 0) { for (int i = 0; i < inlist.size(); i ) { TextView tv = (TextView) inlist.get(i).findViewById(R.id.tv_calendar); TextView tdv = (TextView) inlist.get(i).findViewById(R.id.tv_calendar_day); inlist.get(i).setBackgroundColor(Color.WHITE); tdv.setTextColor(Color.BLACK); textView.setText(""); inday = ""; } inlist.clear(); for (int i = 0; i < outlist.size(); i ) { TextView tv = (TextView) outlist.get(i).findViewById(R.id.tv_calendar); TextView tdv = (TextView) outlist.get(i).findViewById(R.id.tv_calendar_day); outlist.get(i).setBackgroundColor(Color.WHITE); tdv.setTextColor(Color.BLACK); textView.setText(""); outday = ""; } outlist.clear(); textDayView.setText(dateDay); textView.setText("入住"); inday = date; inlist.add(view); return; } if (null == inday || inday.equals("")) { textDayView.setText(dateDay); textView.setText("入住"); inday = date; inlist.add(view); } else { if (inday.equals(date)) { view.setBackgroundColor(Color.WHITE); textDayView.setText(dateDay); textDayView.setTextColor(Color.BLACK); textView.setText(""); inday = ""; } else { try { if (simpleDateFormat.parse(date).getTime() < simpleDateFormat.parse(inday).getTime()) { // view.setBackgroundColor(Color.WHITE); // textDayView.setTextColor(Color.BLACK); // Toast.makeText(MainActivity.this, "离开日期不能小于入住日期", // Toast.LENGTH_SHORT).show(); for (int i = 0; i < inlist.size(); i ) { TextView tv = (TextView) inlist.get(i).findViewById(R.id.tv_calendar); TextView tdv = (TextView) inlist.get(i).findViewById(R.id.tv_calendar_day); inlist.get(i).setBackgroundColor(Color.WHITE); tdv.setTextColor(Color.BLACK); textView.setText(""); inday = ""; } inlist.clear(); textDayView.setText(dateDay); textView.setText("入住"); inday = date; inlist.add(view); return; } else { if (null == outday || outday.equals("")) { textDayView.setText(dateDay); textView.setText("离开"); outday = date; outlist.add(view); } else { for (int i = 0; i < outlist.size(); i ) { TextView tv = (TextView) outlist.get(i).findViewById(R.id.tv_calendar); TextView tdv = (TextView) outlist.get(i).findViewById(R.id.tv_calendar_day); outlist.get(i).setBackgroundColor(Color.WHITE); tdv.setTextColor(Color.BLACK); textView.setText(""); outday = ""; } outlist.clear(); textDayView.setText(dateDay); textView.setText("离开"); outday = date; outlist.add(view); } } } catch (ParseException e) { e.printStackTrace(); } editor.putString("dateIn", inday); editor.putString("dateOut", outday); editor.commit(); // finish(); } } } // 根据当前日期,向后数三个月(若当前day不是1号,为满足至少90天,则需要向后数4个月) @SuppressLint("SimpleDateFormat") public List<String> getDateList() { List<String> list = new ArrayList<String>(); Date date = new Date(); int nowMon = date.getMonth() 1; String yyyy = sd1.format(date); String dd = sd2.format(date); if (nowMon == 9) { list.add(simpleDateFormat.format(date)); list.add(yyyy "-10-" dd); list.add(yyyy "-11-" dd); if (!dd.equals("01")) { list.add(yyyy "-12-" dd); } } else if (nowMon == 10) { list.add(yyyy "-10-" dd); list.add(yyyy "-11-" dd); list.add(yyyy "-12-" dd); if (!dd.equals("01")) { list.add((Integer.parseInt(yyyy) 1) "-01-" dd); } } else if (nowMon == 11) { list.add(yyyy "-11-" dd); list.add(yyyy "-12-" dd); list.add((Integer.parseInt(yyyy) 1) "-01-" dd); if (!dd.equals("01")) { list.add((Integer.parseInt(yyyy) 1) "-02-" dd); } } else if (nowMon == 12) { list.add(yyyy "-12-" dd); list.add((Integer.parseInt(yyyy) 1) "-01-" dd); list.add((Integer.parseInt(yyyy) 1) "-02-" dd); if (!dd.equals("01")) { list.add((Integer.parseInt(yyyy) 1) "-03-" dd); } } else { list.add(yyyy "-" getMon(nowMon) "-" dd); list.add(yyyy "-" getMon((nowMon 1)) "-" dd); list.add(yyyy "-" getMon((nowMon 2)) "-" dd); if (!dd.equals("01")) { list.add(yyyy "-" getMon((nowMon 3)) "-" dd); } } return list; } public String getMon(int mon) { String month = ""; if (mon < 10) { month = "0" mon; } else { month = "" mon; } return month; } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); sp.edit().clear(); } }
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