ListView一行显示两个Item并实现单选功能

最终效果如上图所示意

核心代码只要是Adapter里面完成一行显示两个item，并且加入一个回调接口进行返回数据

public class MyAdapter extends BaseAdapter {
private List<Payment> mList;
private Context mContext;
private int sumCount;
private ChangeTextView changeTextView;

public Handler handler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case 1:

changeTextView.changeTheText(msg.arg1);
break;

default:
break;
}
};
};

public MyAdapter(List<Payment> List, Context context, ChangeTextView changeTextView) {
this.mList = List;
this.mContext = context;
this.changeTextView = changeTextView;
}

@Override
public int getCount() {
int count = mList.size();
if (count % 2 == 0) {
sumCount = count / 2; // 如果是双数直接减半
} else {
sumCount = (int) Math.floor((double) count / 2) + 1;
}
return sumCount;
}

@Override
public Object getItem(int position) {
return mList.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

static class ViewHolder {
PayItem payitem1;
PayItem payitem2;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
convertView = LayoutInflater.from(mContext).inflate(R.layout.list_pay_item, null);
holder.payitem1 = (PayItem) convertView.findViewById(R.id.payItem1);
holder.payitem2 = (PayItem) convertView.findViewById(R.id.payItem2);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}

holder.payitem1.setDescription(mList.get(position * 2).getDescription());
holder.payitem1.setDetail(mList.get(position * 2).getDetail());
holder.payitem1.setCharge(mList.get(position * 2).getCharge());
holder.payitem1.setIsSelected(mList.get(position * 2).getStatus());
if (position * 2 + 1 == mList.size()) {
holder.payitem2.setVisibility(View.INVISIBLE); // 如果是单数的话，那么最后一个item，右侧内容为空
} else {
holder.payitem2.setVisibility(View.VISIBLE); // 必须进行设置，负责存在复用holder的时候，会出现右侧的出现留白，跟最后一个一样，这个也是我写这篇文章最想锁的
holder.payitem2.setDescription(mList.get(position * 2 + 1).getDescription());
holder.payitem2.setDetail(mList.get(position * 2 + 1).getDetail());
holder.payitem2.setCharge(mList.get(position * 2 + 1).getCharge());
holder.payitem2.setIsSelected(mList.get(position * 2+1).getStatus());
}

holder.payitem1.setMyItemClickedListener(new MyOnEvenClick(position));
holder.payitem2.setMyItemClickedListener(new MyOnOddClick(position));
return convertView;
}

private class MyOnEvenClick implements MyItemClicked {
int pos = 0;

public MyOnEvenClick(int position) {
this.pos = position * 2;
}

@Override
public void myItemClicked() {
Message message = new Message();
message.what = 1;
message.arg1 = pos;
handler.sendMessage(message);
}

}

private class MyOnOddClick implements MyItemClicked {
int pos = 0;

public MyOnOddClick(int position) {
this.pos = position * 2 + 1;
}

@Override
public void myItemClicked() {
Message message = new Message();
message.what = 1;
message.arg1 = pos;
handler.sendMessage(message);
}

}

// 设置监听
interface ChangeTextView {
void changeTheText(int position);
}

}整个项目托管到GitHub上了 https://github.com/matrixth/AndroidTools
界面很单薄，可以自行修改