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Code Issues Releases Wiki Activity

view reuse in adapter.getView()

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This commit is contained in:
Nikolay Pultsin 2013-09-15 20:28:17 +03:00
parent 0765f63ad3
commit 3fd8f4ebc8
1 changed files with 25 additions and 19 deletions
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44
src/org/geometerplus/android/fbreader/network/AllCatalogsActivity.java
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@ -79,7 +79,7 @@ public class AllCatalogsActivity extends Activity {
}
final ListView selectedList = (ListView)findViewById(R.id.selectedList);
selectedList.setAdapter(new CatalogsListAdapter(R.layout.checkbox_item));
selectedList.setAdapter(new CatalogsListAdapter());
}
private String getLabelByKey(String keyName) {
@ -153,42 +153,48 @@ public class AllCatalogsActivity extends Activity {
private class CatalogsListAdapter extends ArrayAdapter<Item> {
private CoverManager myCoverManager;
public CatalogsListAdapter(int textViewResourceId) {
super(AllCatalogsActivity.this, textViewResourceId, myAllItems);
public CatalogsListAdapter() {
super(AllCatalogsActivity.this, R.layout.checkbox_item, myAllItems);
}
@Override
public View getView(int position, View convertView, final ViewGroup parent) {
View v = convertView;
final Item item = getItem(position);
final View view;
if (convertView != null && item.getClass().equals(convertView.getTag())) {
view = convertView;
} else {
view = LayoutInflater.from(getContext()).inflate(
item instanceof SectionItem
? R.layout.checkbox_section : R.layout.checkbox_item,
null
);
view.setTag(item.getClass());
}
if (item instanceof SectionItem) {
v = LayoutInflater.from(getContext()).inflate(R.layout.checkbox_section, null);
TextView tt = (TextView)v.findViewById(R.id.title);
if (tt != null) {
tt.setText(((SectionItem)item).Title);
}
((TextView)view.findViewById(R.id.title)).setText(((SectionItem)item).Title);
} else /* if (item instanceof CatalogItem) */ {
final CatalogItem catalogItem = (CatalogItem)item;
if (myCoverManager == null) {
v.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int coverHeight = v.getMeasuredHeight();
view.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int coverHeight = view.getMeasuredHeight();
myCoverManager = new CoverManager(AllCatalogsActivity.this, coverHeight * 15 / 12, coverHeight);
v.requestLayout();
view.requestLayout();
}
v = LayoutInflater.from(getContext()).inflate(R.layout.checkbox_item, null);
final INetworkLink link = catalogItem.Tree.getLink();
((TextView)v.findViewById(R.id.title)).setText(link.getTitle());
((TextView)v.findViewById(R.id.subtitle)).setText(link.getSummary());
((TextView)view.findViewById(R.id.title)).setText(link.getTitle());
((TextView)view.findViewById(R.id.subtitle)).setText(link.getSummary());
final ImageView coverView = (ImageView)v.findViewById(R.id.icon);
final ImageView coverView = (ImageView)view.findViewById(R.id.icon);
if (!myCoverManager.trySetCoverImage(coverView, catalogItem.Tree)) {
coverView.setImageResource(R.drawable.ic_list_library_books);
}
final CheckBox checkBox = (CheckBox)v.findViewById(R.id.check_item);
final CheckBox checkBox = (CheckBox)view.findViewById(R.id.check_item);
checkBox.setChecked(catalogItem.IsChecked);
checkBox.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
@ -197,7 +203,7 @@ public class AllCatalogsActivity extends Activity {
}
});
}
return v;
return view;
}
}
}