public class MultipleItemsList extends ListActivity {
private MyCustomAdapter mAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAdapter = new MyCustomAdapter();
for (int i = 0; i < 50; i++) {
mAdapter.addItem("item " + i);
}
setListAdapter(mAdapter);
}
private class MyCustomAdapter extends BaseAdapter {
private ArrayList mData = new ArrayList();
private LayoutInflater mInflater;
public MyCustomAdapter() {
mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public void addItem(final String item) {
mData.add(item);
notifyDataSetChanged();
}
@Override
public int getCount() {
return mData.size();
}
@Override
public String getItem(int position) {
return mData.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
System.out.println("getView " + position + " " + convertView);
ViewHolder holder = null;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.item1, null);
holder = new ViewHolder();
holder.textView = (TextView)convertView.findViewById(R.id.text);
convertView.setTag(holder);
} else {
holder = (ViewHolder)convertView.getTag();
}
holder.textView.setText(mData.get(position));
return convertView;
}
}
public static class ViewHolder {
public TextView textView;
}
}
mListView = (ListView)findViewById(R.id.listview); mListView.setCacheColorHint(0); mListView.setItemsCanFocus(false); mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Data data = mDataList.get(position);
if (convertView == null){
convertView = mInflater.inflate(R.layout.xxxx, null);
}
TextView nameView = (TextView)convertView.findViewById(R.id.name);
nameView.setText(data.FullName);
ImageView checkView = (ImageView)convertView.findViewById(R.id.check_view);
if (mListView.getAdapter() != null){
SparseBooleanArray checkedArray = mListView.getCheckedItemPositions();
if (0 <= position && position < checkedArray.size()){
if (checkedArray.valueAt(position)){
checkView.setImageResource(R.drawable.checkbox_selected);
}
else{
checkView.setImageResource(R.drawable.checkbox_unselected);
}
}
}
return convertView;
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
>
<TextView
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="@color/black"
android:layout_marginLeft="10dip"
android:gravity="center_vertical"
/>
<ImageView
android:id="@+id/check_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginRight="10dip"
android:layout_centerVertical="true"
android:background="@drawable/checkbox_unselected"
/>
</RelativeLayout>
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