|
|
package com.idormy.sms.forwarder.adapter;
|
|
|
|
|
|
import android.content.Context;
|
|
|
import android.view.LayoutInflater;
|
|
|
import android.view.View;
|
|
|
import android.view.ViewGroup;
|
|
|
import android.widget.ArrayAdapter;
|
|
|
import android.widget.ImageView;
|
|
|
import android.widget.TextView;
|
|
|
|
|
|
import com.idormy.sms.forwarder.R;
|
|
|
import com.idormy.sms.forwarder.model.SenderModel;
|
|
|
|
|
|
import java.util.List;
|
|
|
|
|
|
@SuppressWarnings("unused")
|
|
|
public class SenderAdapter extends ArrayAdapter<SenderModel> {
|
|
|
private final int resourceId;
|
|
|
private List<SenderModel> list;
|
|
|
|
|
|
// 适配器的构造函数,把要适配的数据传入这里
|
|
|
public SenderAdapter(Context context, int textViewResourceId, List<SenderModel> objects) {
|
|
|
super(context, textViewResourceId, objects);
|
|
|
resourceId = textViewResourceId;
|
|
|
list = objects;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public int getCount() {
|
|
|
return list.size();
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public SenderModel getItem(int position) {
|
|
|
return list.get(position);
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public long getItemId(int position) {
|
|
|
SenderModel item = list.get(position);
|
|
|
if (item == null) {
|
|
|
return 0;
|
|
|
}
|
|
|
return item.getId();
|
|
|
}
|
|
|
|
|
|
// convertView 参数用于将之前加载好的布局进行缓存
|
|
|
@Override
|
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
|
SenderModel senderModel = getItem(position); //获取当前项的TLog实例
|
|
|
|
|
|
// 加个判断,以免ListView每次滚动时都要重新加载布局,以提高运行效率
|
|
|
View view;
|
|
|
ViewHolder viewHolder;
|
|
|
if (convertView == null) {
|
|
|
|
|
|
// 避免ListView每次滚动时都要重新加载布局,以提高运行效率
|
|
|
view = LayoutInflater.from(getContext()).inflate(resourceId, parent, false);
|
|
|
|
|
|
// 避免每次调用getView()时都要重新获取控件实例
|
|
|
viewHolder = new ViewHolder();
|
|
|
viewHolder.senderImage = view.findViewById(R.id.sender_image);
|
|
|
viewHolder.senderStatus = view.findViewById(R.id.sender_status);
|
|
|
viewHolder.senderName = view.findViewById(R.id.sender_name);
|
|
|
|
|
|
// 将ViewHolder存储在View中(即将控件的实例存储在其中)
|
|
|
view.setTag(viewHolder);
|
|
|
} else {
|
|
|
view = convertView;
|
|
|
viewHolder = (ViewHolder) view.getTag();
|
|
|
}
|
|
|
|
|
|
// 获取控件实例,并调用set...方法使其显示出来
|
|
|
if (senderModel != null) {
|
|
|
viewHolder.senderImage.setImageResource(senderModel.getImageId());
|
|
|
viewHolder.senderStatus.setImageResource(senderModel.getStatusImageId());
|
|
|
viewHolder.senderName.setText(senderModel.getName());
|
|
|
}
|
|
|
|
|
|
return view;
|
|
|
}
|
|
|
|
|
|
public void add(SenderModel senderModel) {
|
|
|
if (list != null) {
|
|
|
list.add(senderModel);
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void del(int position) {
|
|
|
if (list != null) {
|
|
|
list.remove(position);
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void update(SenderModel senderModel, int position) {
|
|
|
if (list != null) {
|
|
|
list.set(position, senderModel);
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void add(List<SenderModel> senderModels) {
|
|
|
if (list != null) {
|
|
|
list = senderModels;
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void del(List<SenderModel> senderModels) {
|
|
|
if (list != null) {
|
|
|
list = senderModels;
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void update(List<SenderModel> senderModels) {
|
|
|
if (list != null) {
|
|
|
list = senderModels;
|
|
|
notifyDataSetChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 定义一个内部类,用于对控件的实例进行缓存
|
|
|
static class ViewHolder {
|
|
|
ImageView senderImage;
|
|
|
ImageView senderStatus;
|
|
|
TextView senderName;
|
|
|
}
|
|
|
|
|
|
} |