关于计算日历
private int xianshilianxu(int year,int month,int day,String user)
{
int jianchishijian=0;
TextView textView1 = findViewById(R.id.hunong);
String riqi1 = year + "-" + (month + 1) + "-" + day;
if (chaxunriqi(year,month,day,user)>=0) {
jianchishijian = dedaolianxvtianshu(year, month, day,user,true);
String yijianchitext="已坚持"+jianchishijian+"天";
textView1.setText(yijianchitext);
}else {
jianchishijian = dedaolianxvtianshu(year, month, day,user,false);
String yijianchitext="已坚持"+jianchishijian+"天";
textView1.setText(yijianchitext);
}
return jianchishijian;
}
private int dedaolianxvtianshu(int year,int month,int day,String usernname,boolean flag)//flag=true指今天已经打卡
{
int jianchitian=0;
android.icu.util.Calendar calendar= android.icu.util.Calendar.getInstance();
calendar.set(year,month,day);
if(!flag) {
calendar.add(android.icu.util.Calendar.DAY_OF_MONTH, -1);
year = calendar.get(android.icu.util.Calendar.YEAR);
month = calendar.get(android.icu.util.Calendar.MONTH);//实际月份需要加1
day = calendar.get(android.icu.util.Calendar.DATE);
}
while(true) {
if (chaxunriqi(year,month,day,usernname)>=0) {
jianchitian++;
calendar.add(android.icu.util.Calendar.DAY_OF_MONTH, -1);
year = calendar.get(android.icu.util.Calendar.YEAR);
month = calendar.get(android.icu.util.Calendar.MONTH);//实际月份需要加1
day = calendar.get(android.icu.util.Calendar.DATE);
} else {
break;
}
}
return jianchitian;
}
标签：24,总结,int,month,23.3,year,calendar,android,icu From： https://www.cnblogs.com/laobing6214/p/17253385.html