RadioAdapter.java
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package com.studymachine.www.ui.adapter;
import android.content.Context;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.hjq.base.BaseAdapter;
import com.studymachine.www.R;
import com.studymachine.www.app.AppAdapter;
import com.studymachine.www.http.api.GetDictionariesApi;
import java.util.ArrayList;
import java.util.List;
/**
* desc : 单选列表适配器
*/
public final class RadioAdapter extends AppAdapter<GetDictionariesApi.Bean> implements BaseAdapter.OnItemClickListener {
private List<GetDictionariesApi.Bean> mSelectList=new ArrayList<>();
private OnRadioListener mListener;
public RadioAdapter(Context context, List<GetDictionariesApi.Bean> list) {
super(context);
mSelectList=list;
setOnItemClickListener(this);
}
public RadioAdapter(Context context) {
super(context);
setOnItemClickListener(this);
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return new ViewHolder();
}
@Override
public void onItemClick(RecyclerView recyclerView, View itemView, int position) {
List<GetDictionariesApi.Bean> mDataList=getData();
if(mSelectList.size()==1){
if(mSelectList.contains(mDataList.get(position))){
return;
}
int index=mDataList.indexOf( mSelectList.remove(0));
if(index!=-1){
notifyItemChanged(index);
}
}
mSelectList.add(mDataList.get(position));
notifyItemChanged(position);
if(mListener==null){
return;
}
mListener.onItemClick(recyclerView,position,mSelectList);
}
private final class ViewHolder extends AppAdapter<?>.ViewHolder {
private final ImageView mImageView;
private final TextView mTextView;
private ViewHolder() {
super(R.layout.radio_item);
mImageView = findViewById(R.id.bg_img);
mTextView = findViewById(R.id.grade_text);
}
@Override
public void onBindView(int position) {
GetDictionariesApi.Bean nowItem=getItem(position);
mTextView.setText(nowItem.getLabel());
if(mSelectList.contains(nowItem)){
mImageView.setImageResource(R.drawable.xuan);
mTextView.setTextColor(getColor(R.color.color_68D5FB));
}else{
mImageView.setImageResource(R.drawable.xuan1);
}
}
}
public void setListener(OnRadioListener mListener) {
this.mListener = mListener;
}
public interface OnRadioListener {
/**
* 点击
* @param position
* @param mSelectList
*/
void onItemClick(RecyclerView recyclerView,int position,List<GetDictionariesApi.Bean> mSelectList);
}
}