android 自定义列表视图中的列表项重复 [英] List item repeating in android customized listview
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问题描述
在我的自定义列表视图中,项目是重复的.所有项目的项目位置都相同.代码如下
In my customized list view items are repeating.position of item is same for all item. code is below
ListAdapter.java-
ListAdapter.java-
public class ListAdapter extends BaseAdapter{
private List<String> mName;
private List<Drawable> mIcon;
private Context mContext;
public ListAdapter(Context mContext, List<String> Name, List<Drawable> Icon) {
this.mContext=mContext;
this.mName=Name;
this.mIcon=Icon;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return mName.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(final int position, View v, ViewGroup parent) {
View mLayout;
TextView mText;
ImageView mImage;
CheckBox mCheckBox;
if(v==null){
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mLayout=new View(mContext);
mLayout=(LinearLayout) inflater.inflate(R.layout.list_menu, null);
mText=(TextView) mLayout.findViewById(R.id.Name);
mImage=(ImageView) mLayout.findViewById(R.id.Icon);
mCheckBox=(CheckBox) mLayout.findViewById(R.id.mCheckbox);
mText.setText(mName.get(position));
mImage.setImageDrawable(mIcon.get(position));
mCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton check, boolean isChecked) {
if(check.isChecked()){
Toast.makeText(mContext, "..."+mName.get(position)+"..."+position, Toast.LENGTH_SHORT).show();
}
}
});
}
else{
mLayout=(View)v;
}
return mLayout;
}
}
推荐答案
试试这个,你需要为每个convertviewsetTag()
.
try this one, You need to setTag()
for each convertview.
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final ViewHolder mHolder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_menu, null);
mHolder = new ViewHolder();
mHolder.mText=(TextView) convertView.findViewById(R.id.appName);
mHolder.mImage=(ImageView) convertView.findViewById(R.id.appIcon);
mHolder.mCheckBox=(CheckBox) convertView.findViewById(R.id.mCheckbox);
convertView.setTag(mHolder);
} else {
mHolder = (ViewHolder) convertView.getTag();
}
return convertView;
}
private class ViewHolder {
private TextView mText;
private ImageView mImage;
private CheckBox mCheckBox;
}
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