Android 保存使用自定义适配器生成的listview复选框列表
这件事困扰了我很长时间。但不知何故,我仍然无法找出如何在使用自定义适配器构建的listview中保存复选框的状态。这是我的自定义适配器。任何帮助都将不胜感激。多谢各位Android 保存使用自定义适配器生成的listview复选框列表,android,listview,checkbox,custom-adapter,Android,Listview,Checkbox,Custom Adapter,这件事困扰了我很长时间。但不知何故,我仍然无法找出如何在使用自定义适配器构建的listview中保存复选框的状态。这是我的自定义适配器。任何帮助都将不胜感激。多谢各位 公共类ListAdapter扩展了BaseAdapter{ boolean[]itemChecked=新布尔值[20]; 公共字符串标题[]; 公共字符串描述[]; 公共活动语境; 公共场所;充气机; HttpClient ht=新的默认HttpClient() 公共ListAdapter(活动上下文,字符串[]标题,字符串[]说
公共类ListAdapter扩展了BaseAdapter{
boolean[]itemChecked=新布尔值[20];
公共字符串标题[];
公共字符串描述[];
公共活动语境;
公共场所;充气机;
HttpClient ht=新的默认HttpClient()
公共ListAdapter(活动上下文,字符串[]标题,字符串[]说明){
超级();
对于(int i=0;i尝试以下操作,而不是使用oncheckedchangelister,只使用OnClickListener:
@Override
public View getView(final int position, View convertView, ViewGroup arg2) {
// TODO Auto-generated method stub
final ViewHolder holder;
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
if(convertView==null)
{
convertView = inflater.inflate(R.layout.custom_list, null);
holder = new ViewHolder();
holder.txtViewTitle = (TextView) convertView.findViewById(R.id.title_text);
holder.txtViewDescription = (TextView) convertView.findViewById(R.id.description_text);
holder.cb=(CheckBox) convertView.findViewById(R.id.cb);
convertView.setTag(holder);
}
else
{
holder=(ViewHolder)convertView.getTag();
}
holder.txtViewTitle.setTextColor(Color.parseColor("#008ab5"));
holder.txtViewTitle..setText(title[position]);
holder.txtViewDescription.setTextColor(Color.parseColor("#008ab5"));
holder.txtViewDescription.setText(description[position]);
if (itemChecked[position])
holder.cb.setChecked(true);
else
holder.cb.setChecked(false);
holder.cb.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (holder.cb.isChecked())
itemChecked[position] = true;
else
itemChecked[position] = false;
}
});
return convertView;
}
您可以尝试以下方法:
holder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
itemChecked[position] = isChecked;
if(itemChecked[position])
{
holder.cb.setChecked(true);
}
else
{
holder.cb.setChecked(false);
}
boolean sub=isChecked;
***save(itemChecked);***
}
});
这些对你有帮助吗?
@Override
public View getView(final int position, View convertView, ViewGroup arg2) {
// TODO Auto-generated method stub
final ViewHolder holder;
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
if(convertView==null)
{
convertView = inflater.inflate(R.layout.custom_list, null);
holder = new ViewHolder();
holder.txtViewTitle = (TextView) convertView.findViewById(R.id.title_text);
holder.txtViewDescription = (TextView) convertView.findViewById(R.id.description_text);
holder.cb=(CheckBox) convertView.findViewById(R.id.cb);
convertView.setTag(holder);
}
else
{
holder=(ViewHolder)convertView.getTag();
}
holder.txtViewTitle.setTextColor(Color.parseColor("#008ab5"));
holder.txtViewTitle..setText(title[position]);
holder.txtViewDescription.setTextColor(Color.parseColor("#008ab5"));
holder.txtViewDescription.setText(description[position]);
if (itemChecked[position])
holder.cb.setChecked(true);
else
holder.cb.setChecked(false);
holder.cb.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (holder.cb.isChecked())
itemChecked[position] = true;
else
itemChecked[position] = false;
}
});
return convertView;
}
holder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
itemChecked[position] = isChecked;
if(itemChecked[position])
{
holder.cb.setChecked(true);
}
else
{
holder.cb.setChecked(false);
}
boolean sub=isChecked;
***save(itemChecked);***
}
});