Java 获取自定义SimpleLayout中的ListItem位置

Java 获取自定义SimpleLayout中的ListItem位置,java,android,listview,android-layout,android-adapter,Java,Android,Listview,Android Layout,Android Adapter,我有一个自定义的列表视图,带有文本视图和复选框。我还有一个自定义的simpledapter,在其中我覆盖了getView()方法,并且能够检索对TextView和复选框所做的更改。我的问题是,我不知道如何在OnCheckedChanged或OnClick中获得正确的单击ListItem或复选框 更新添加了整个自定义适配器类: public class CustomAdapter extends SimpleAdapter { private LayoutInflater mInflate

我有一个自定义的
列表视图
,带有
文本视图
复选框
。我还有一个自定义的
simpledapter
,在其中我覆盖了
getView()
方法,并且能够检索对
TextView
复选框所做的更改。我的问题是,我不知道如何在
OnCheckedChanged
OnClick
中获得正确的单击
ListItem
复选框

更新添加了整个
自定义适配器
类:

public class CustomAdapter extends SimpleAdapter {
    private LayoutInflater mInflater;
    private List<HashMap<String, String>> mItems = null;
    private Context mContext;
    private int mPosicion;

    public CustomAdapter(Context context, List<HashMap<String, String>> items, int resource, String[] from, int[] to) {
        super(context, items, resource, from, to);
        mInflater = LayoutInflater.from(context);
        mItems = items;
        mContext = context;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) { 
        ViewHolder holder;
        mPosicion = position;

        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.custom_row_view, null);

            holder = new ViewHolder();
            holder.chkbxEstado = (CheckBox) convertView.findViewById(R.id.chkbxCompletado);
            holder.txtTextoAgenda = (TextView) convertView.findViewById(R.id.txtTextoLista);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.txtTextoAgenda.setText(mItems.get(position).get("descripcion"));

        convertView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i("Posicion",""+mPosicion);//I don't know how to retrieve clicked position
            }
        });

        holder.chkbxEstado.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                Log.i("Posicion",""+mPosicion);//Or checked
            }
        });

        return convertView;

    }


    private static class ViewHolder {
        TextView txtTextoAgenda;
        CheckBox chkbxEstado;
    }
}
    public class CustomAdapter extends SimpleAdapter {
        private LayoutInflater mInflater;
        private List<HashMap<String, String>> mItems = null;
        private Context mContext;

        private OnClickListener mClick;
        private OnCheckedChangeListener mChecked;

        public CustomAdapter(Context context, List<HashMap<String, String>> items, int resource, String[] from, int[] to) {
            super(context, items, resource, from, to);
            mInflater = LayoutInflater.from(context);
            mItems = items;
            mContext = context;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) { 
            ViewHolder holder;

            if (convertView == null) {
                convertView = mInflater.inflate(R.layout.custom_row_view, null);

                holder = new ViewHolder();
                holder.chkbxEstado = (CheckBox) convertView.findViewById(R.id.chkbxCompletado);
                holder.txtTextoAgenda = (TextView) convertView.findViewById(R.id.txtTextoLista);
                holder.posicion = position; //Add the new position into the holder for each row.

                convertView.setTag(holder);

                mClick = new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        ViewHolder viewHolder = getViewHolder(v); //Get the ViewHolder for the clicked row.
                        Log.i("Posicion",""+v.posicion);
                    }
                };

                mChecked = new OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                        ViewHolder viewHolder = getViewHolder(buttonView); //Get the ViewHolder for the clicked CheckBox
                        Log.i("Posicion",""+viewHolder.posicion);
                    }
                };

            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            holder.txtTextoAgenda.setText(mItems.get(position).get("descripcion"));

            convertView.setOnClickListener(mClick);

            holder.chkbxEstado.setOnCheckedChangeListener(mChecked);

            return convertView;

        }

        public ViewHolder getViewHolder(View v){ //This method returns the ViewHolder stored in the tag if available, if not it recursively checks the parent's tag.
            if(v.getTag() == null){
                return getViewHolder((View)v.getParent());
            }
            return (ViewHolder)v.getTag();
        }

        private static class ViewHolder {
            TextView txtTextoAgenda;
            CheckBox chkbxEstado;
            int posicion; //Added position attribute to ViewHolder class.
        }
    }
公共类CustomAdapter扩展了SimpleAdapter{
私人停车场;
私有列表m=null;
私有上下文;
私人投资;
公共CustomAdapter(上下文上下文、列表项、int资源、字符串[]从、int[]到){
超级(上下文、项目、资源、发件人、收件人);
mInflater=LayoutInflater.from(上下文);
mItems=项目;
mContext=上下文;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父级){
视窗座;
位置;
if(convertView==null){
convertView=mInflater.充气(R.layout.custom_row_view,null);
holder=新的ViewHolder();
holder.chkbxEstado=(复选框)convertView.findViewById(R.id.chkbxCompletado);
holder.txtextoagenda=(TextView)convertView.findViewById(R.id.txtextoLista);
convertView.setTag(支架);
}否则{
holder=(ViewHolder)convertView.getTag();
}
holder.txtextoagenda.setText(mItems.get(position.get(“description”));
setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
Log.i(“Posicion”,“”+mPosicion);//我不知道如何检索单击的位置
}
});
holder.chkbxestato.setOnCheckedChangeListener(新的OnCheckedChangeListener(){
@凌驾
检查更改后的公共无效(复合按钮视图,布尔值已检查){
Log.i(“Posicion”,“”+mPosicion);//或选中
}
});
返回视图;
}
私有静态类视图持有者{
TextView txtTextoAgenda;
复选框chkbxEstado;
}
}

非常感谢您的帮助。

我找到了解决方案。如果有人知道更好的,请告诉我。工作
CustomAdapter
类:

public class CustomAdapter extends SimpleAdapter {
    private LayoutInflater mInflater;
    private List<HashMap<String, String>> mItems = null;
    private Context mContext;
    private int mPosicion;

    public CustomAdapter(Context context, List<HashMap<String, String>> items, int resource, String[] from, int[] to) {
        super(context, items, resource, from, to);
        mInflater = LayoutInflater.from(context);
        mItems = items;
        mContext = context;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) { 
        ViewHolder holder;
        mPosicion = position;

        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.custom_row_view, null);

            holder = new ViewHolder();
            holder.chkbxEstado = (CheckBox) convertView.findViewById(R.id.chkbxCompletado);
            holder.txtTextoAgenda = (TextView) convertView.findViewById(R.id.txtTextoLista);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.txtTextoAgenda.setText(mItems.get(position).get("descripcion"));

        convertView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i("Posicion",""+mPosicion);//I don't know how to retrieve clicked position
            }
        });

        holder.chkbxEstado.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                Log.i("Posicion",""+mPosicion);//Or checked
            }
        });

        return convertView;

    }


    private static class ViewHolder {
        TextView txtTextoAgenda;
        CheckBox chkbxEstado;
    }
}
    public class CustomAdapter extends SimpleAdapter {
        private LayoutInflater mInflater;
        private List<HashMap<String, String>> mItems = null;
        private Context mContext;

        private OnClickListener mClick;
        private OnCheckedChangeListener mChecked;

        public CustomAdapter(Context context, List<HashMap<String, String>> items, int resource, String[] from, int[] to) {
            super(context, items, resource, from, to);
            mInflater = LayoutInflater.from(context);
            mItems = items;
            mContext = context;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) { 
            ViewHolder holder;

            if (convertView == null) {
                convertView = mInflater.inflate(R.layout.custom_row_view, null);

                holder = new ViewHolder();
                holder.chkbxEstado = (CheckBox) convertView.findViewById(R.id.chkbxCompletado);
                holder.txtTextoAgenda = (TextView) convertView.findViewById(R.id.txtTextoLista);
                holder.posicion = position; //Add the new position into the holder for each row.

                convertView.setTag(holder);

                mClick = new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        ViewHolder viewHolder = getViewHolder(v); //Get the ViewHolder for the clicked row.
                        Log.i("Posicion",""+v.posicion);
                    }
                };

                mChecked = new OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                        ViewHolder viewHolder = getViewHolder(buttonView); //Get the ViewHolder for the clicked CheckBox
                        Log.i("Posicion",""+viewHolder.posicion);
                    }
                };

            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            holder.txtTextoAgenda.setText(mItems.get(position).get("descripcion"));

            convertView.setOnClickListener(mClick);

            holder.chkbxEstado.setOnCheckedChangeListener(mChecked);

            return convertView;

        }

        public ViewHolder getViewHolder(View v){ //This method returns the ViewHolder stored in the tag if available, if not it recursively checks the parent's tag.
            if(v.getTag() == null){
                return getViewHolder((View)v.getParent());
            }
            return (ViewHolder)v.getTag();
        }

        private static class ViewHolder {
            TextView txtTextoAgenda;
            CheckBox chkbxEstado;
            int posicion; //Added position attribute to ViewHolder class.
        }
    }
公共类CustomAdapter扩展了SimpleAdapter{
私人停车场;
私有列表m=null;
私有上下文;
私有onclick侦听器mClick;
private OnCheckedChangeListener McChecked;
公共CustomAdapter(上下文上下文、列表项、int资源、字符串[]从、int[]到){
超级(上下文、项目、资源、发件人、收件人);
mInflater=LayoutInflater.from(上下文);
mItems=项目;
mContext=上下文;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父级){
视窗座;
if(convertView==null){
convertView=mInflater.充气(R.layout.custom_row_view,null);
holder=新的ViewHolder();
holder.chkbxEstado=(复选框)convertView.findViewById(R.id.chkbxCompletado);
holder.txtextoagenda=(TextView)convertView.findViewById(R.id.txtextoLista);
holder.posicion=position;//将每行的新位置添加到holder中。
convertView.setTag(支架);
mClick=newonclicklistener(){
@凌驾
公共void onClick(视图v){
ViewHolder ViewHolder=getViewHolder(v);//获取单击行的ViewHolder。
Log.i(“Posicion”,“v.Posicion”);
}
};
mChecked=newoncheckedChangeListener(){
@凌驾
检查更改后的公共无效(复合按钮视图,布尔值已检查){
ViewHolder ViewHolder=getViewHolder(buttonView);//获取已单击复选框的ViewHolder
Log.i(“Posicion”,即“+viewHolder.Posicion”);
}
};
}否则{
holder=(ViewHolder)convertView.getTag();
}
holder.txtextoagenda.setText(mItems.get(position.get(“description”));
setOnClickListener(mClick);
holder.chkbxestato.setOnCheckedChangeListener(mChecked);
返回视图;
}
public ViewHolder getViewHolder(View v){//此方法返回存储在标记中的ViewHolder(如果可用),如果不可用,则递归检查父标记。
if(v.getTag()==null){
返回getViewHolder((视图)v.getParent());
}
return(ViewHolder)v.getTag();
}
私有静态类视图持有者{
TextView txtTextoAgenda;
复选框chkbxEstado;
int posicion;//向ViewHolder类添加了位置属性。
}
}

编辑以重新使用onClickListener()和onCheckedChangedListener()实例。

OP的解决方案有效。但是,如果您正在扩展CursorAdapter,则newView()和bindView()中不存在position参数。怎么办


它们确实提供了一个光标。使用cursor.getPosition()。它做同样的事情。

您有参数位置,还需要什么?如果我没有正确解释,很抱歉。position参数始终返回某个位置,但如果单击不同的行或复选框,则不会更新。这很奇怪,您可以发布整个适配器吗?使用
CustomAdapter
更新。仍然不清楚是什么