0
我有列表視圖切換按鈕。當我檢查第一個切換按鈕第五切換按鈕會自動檢查。當我檢查第二切換按鈕第七切換按鈕得到檢查。並且當我取消選中第五切換按鈕時,它是空值烤麪包。當我檢查一個切換按鈕第五切換按鈕會自動檢查在Android的列表視圖
下面是我的代碼
public class CustomUsersAdapter extends ArrayAdapter<User>
{
public CustomUsersAdapter(Context context, ArrayList<User> users)
{
super(context, 0, users);
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
//Get an instance of our cell holder
Holder holder;
holder = new Holder();
// Get the data item for this position
User user = getItem(position);
// Check if an existing view is being reused, otherwise inflate the view
if (convertView == null)
{
convertView = LayoutInflater.from(getContext()).inflate(R.layout.activity_main, parent, false);
// Lookup view for data population
holder.tvName = (TextView) convertView.findViewById(R.id.tvName);
holder.tvHome = (TextView) convertView.findViewById(R.id.tvHometown);
holder.tgbtn = (ToggleButton) convertView.findViewById(R.id.toggleButton1);
convertView.setTag(holder); //Add this
}
else
{
holder= (Holder) convertView.getTag();
}
holder.tvName.setText(user.name);
holder.tvHome.setText(user.hometown);
/** The clicked Item in the ListView */
RelativeLayout rLayout = (RelativeLayout) convertView;
/** Getting the toggle button corresponding to the clicked item */
final ToggleButton tbt = (ToggleButton) rLayout.getChildAt(2);
tbt.setOnClickListener(new OnClickListener() {
String homet;
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (tbt.isChecked()) {
//tbt.setChecked(true);
ViewGroup parent = (ViewGroup) v.getParent();
TextView tvName = (TextView) parent.findViewById(R.id.tvName);
homet=tvName.getText().toString();
Toast.makeText(getContext(),homet+"Blocked", Toast.LENGTH_SHORT).show();
} else {
tbt.setChecked(false);
Toast.makeText(getContext(),homet+ "Unblocked", Toast.LENGTH_SHORT).show();
}
}
});
// Return the completed view to render on screen
return convertView;
}
//this holder class will be filled from the layout xml and attached to the row as a tag object
private class Holder
{
TextView tvName;
TextView tvHome;
ToggleButton tgbtn,tg1;
}
}
請幫我...
以及如何保存所有的切換按鈕的狀態,這樣我可以使用的保存狀態保存切換的狀態按鈕,當應用程序重新打開。
thanx爲您的答覆。我瞭解回收機制,但沒有得到任何解決方案,以避免這種情況,如果我有一個togglebutton,如果我檢查它在位置0(讓item1也有一個togglebutton和ichecked它),所以當我向下滾動時,我會見第8項togglebutton已被選中 – Simran 2015-02-24 06:22:08