adapter 里面:
package com.gdkj.gddoctor.robotdoctor.adapter;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;
import com.gdkj.gddoctor.library.views.CircularImage;
import com.gdkj.gddoctor.library.views.sortlist.SortModel;
import com.gdkj.gddoctor.robotdoctor.R;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
* Created by 时间辉 on 2017/8/28.
*/
public class ChooseAdapter extends BaseAdapter {
private List
private Context mContext;
private LayoutInflater mInflater;
private static HashMap
public ChooseAdapter(Context mContext) {
this.mContext = mContext;
this.mInflater = LayoutInflater.from(mContext);
this.isSelected = new HashMap
}
/**
* 当ListView数据发生变化时,调用此方法来更新ListView
* @param list
*/
public void updateListView(List
this.mList = list;
initDate();
notifyDataSetChanged();
}
// 初始化isSelected的数据
private void initDate(){
for(int i=0; i
}
}
@Override
public int getCount() {
if (mList == null) {
mList = new ArrayList<>();
}
return mList.size();
}
@Override
public Object getItem(int position) {
return mList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View view, ViewGroup parent) {
ViewHolder viewHolder = null;
final SortModel mContent = mList.get(position);
if (view == null) {
viewHolder = new ViewHolder();
view = mInflater.from(mContext).inflate(R.layout.item_choose, null);
viewHolder.mName = (TextView) view.findViewById(R.id.item_choose_name);
viewHolder.mAge = (TextView) view.findViewById(R.id.item_choose_age);
viewHolder.mPhone = (TextView) view.findViewById(R.id.item_choose_phone);
viewHolder.mLetter = (TextView) view.findViewById(R.id.catalog);
viewHolder.mHead = (CircularImage) view.findViewById(R.id.item_choose_head);
viewHolder.mState = (CheckBox) view.findViewById(R.id.item_choose_state);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
//根据position获取分类的首字母的Char ascii值
int section = getSectionForPosition(position);
//如果当前位置等于该分类首字母的Char的位置 ,则认为是第一次出现
if(position == getPositionForSection(section)){
viewHolder.mLetter.setVisibility(View.VISIBLE);
viewHolder.mLetter.setText(mContent.getSortLetters());
}else{
viewHolder.mLetter.setVisibility(View.GONE);
}
viewHolder.mName.setText(this.mList.get(position).getName());
viewHolder.mState.setChecked(getIsSelected().get(position));
viewHolder.mState.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
isSelected.put(position,isChecked);
}
});
return view;
}
public static class ViewHolder {
private TextView mLetter;
private TextView mName;
private TextView mAge;
private TextView mPhone;
private TextView mAddress;
private CircularImage mHead;
public CheckBox mState;
}
/**
* 根据ListView的当前位置获取分类的首字母的Char ascii值
*/
public int getSectionForPosition(int position) {
return mList.get(position).getSortLetters().charAt(0);
}
/**
* 根据分类的首字母的Char ascii值获取其第一次出现该首字母的位置
*/
public int getPositionForSection(int section) {
for (int i = 0; i < getCount(); i++) {
String sortStr = mList.get(i).getSortLetters();
char firstChar = sortStr.toUpperCase().charAt(0);
if (firstChar == section) {
return i;
}
}
return -1;
}
/**
* 提取英文的首字母,非英文字母用#代替。
*
* @param str
* @return
*/
private String getAlpha(String str) {
String sortStr = str.trim().substring(0, 1).toUpperCase();
// 正则表达式,判断首字母是否是英文字母
if (sortStr.matches("[A-Z]")) {
return sortStr;
} else {
return "#";
}
}
public Object[] getSections() {
return null;
}
public static HashMap
return isSelected;
}
public static void setIsSelected(HashMap
ChooseAdapter.isSelected = isSelected;
}
}
获取选中的值:
private List
listItemID.clear();
for (int i = 0; i < adapter.getIsSelected().size(); i++) {
if (adapter.getIsSelected().get(i)) {
listItemID.add(SourceDateList.get(i).getName());
}
}
GLog.e(listItemID.toString());
---------------------
作者:涛生枫落
来源:CSDN
原文:https://blog.csdn.net/qq_36613843/article/details/77649517
版权声明:本文为博主原创文章,转载请附上博文链接!