我在使用recyclerview时遇到问题。把它放在这里的主要原因是我正在制作一个自定义日历。作为其中的一部分，我有两个recyclerviews父母和孩子（嵌套Recyclerviews）.Parent用于上市月，Child用于列出相应月份的日期。
我需要从日历中选择多个日期。
This screenshot is the current status I am getting
我想在所选日期之间将所有日期的背景颜色设置为白色。
请帮忙。？
import android.graphics.Color;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.webandcrafts.firebasedemoproject.R;
import com.webandcrafts.firebasedemoproject.model.CalendarModel;
import com.webandcrafts.firebasedemoproject.model.CalendarMonth;
import java.util.Calendar;
import java.util.List;
import java.util.StringTokenizer;
public class CalendarDatesAdapter extends RecyclerView.Adapter<CalendarDatesAdapter.MyViewHolder> {
private List<CalendarMonth> mCalendarMonthList;
private int mCurrentDate;
private int mCurrentMonthIndex;
private int mCurrentYear;
private int monthIndex;
private int dateSelectedCount = 0;
public CalendarDatesAdapter(List<CalendarMonth> calendarMonthList, int currentDate, int monthIndex) {
this.mCalendarMonthList = calendarMonthList;
this.mCurrentDate = currentDate;
this.monthIndex = monthIndex;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.calendar_month_item, parent, false);
return new MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
final CalendarMonth calendarMonth = mCalendarMonthList.get(position);
holder.textViewDate.setText(calendarMonth.getDate());
holder.textViewAmount.setText(calendarMonth.getAmount());
holder.linearLayoutDateItem.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
dateSelectedCount++;
calendarMonth.setDateSelected(true);
holder.textViewDate.setTextColor(Color.BLACK);
holder.textViewAmount.setTextColor(Color.BLACK);
holder.linearLayoutDateItem.setBackgroundColor(Color.WHITE);
calendarMonth.setDateSelectedCount(dateSelectedCount);
}
});
if (!calendarMonth.isDateSelected()) {
if (calendarMonth.isDisabledDate() && monthIndex == 0) {
holder.textViewDate.setTextColor(Color.GRAY);
holder.textViewAmount.setTextColor(Color.GRAY);
holder.linearLayoutDateItem.setClickable(false);
} else if (calendarMonth.isDisabledDate() == false && monthIndex == 12) {
if (position >= mCurrentDate) {
holder.textViewDate.setTextColor(Color.GRAY);
holder.textViewAmount.setTextColor(Color.GRAY);
holder.linearLayoutDateItem.setClickable(false);
}
} else {
if (calendarMonth.getDate().equals("") && calendarMonth.getAmount().equals("")) {
holder.linearLayoutDateItem.setClickable(false);
}
}
} else if (calendarMonth.isDateSelected()) {
// If date is selected
calendarMonth.setDateSelected(true);
holder.textViewDate.setTextColor(Color.BLACK);
holder.textViewAmount.setTextColor(Color.BLACK);
holder.linearLayoutDateItem.setBackgroundColor(Color.WHITE);
calendarMonth.setDateSelectedCount(dateSelectedCount);
}
}
@Override
public int getItemCount() {
return mCalendarMonthList.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
public TextView textViewDate;
public TextView textViewAmount;
public LinearLayout linearLayoutDateItem;
public MyViewHolder(View itemView) {
super(itemView);
textViewDate = (TextView) itemView.findViewById(R.id.textViewDate);
textViewAmount = (TextView) itemView.findViewById(R.id.textViewAmount);
linearLayoutDateItem = (LinearLayout) itemView.findViewById(R.id.linearLayoutDateItem);
}
}
这是我的适配器代码。 我需要在screenshot
中突出显示或设置所选日期范围从18到26的项目的背景颜色