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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
View file

@ -79,7 +79,7 @@ public class AllCatalogsActivity extends Activity {
} }
final ListView selectedList = (ListView)findViewById(R.id.selectedList); 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) { private String getLabelByKey(String keyName) {
@ -153,42 +153,48 @@ public class AllCatalogsActivity extends Activity {
private class CatalogsListAdapter extends ArrayAdapter<Item> { private class CatalogsListAdapter extends ArrayAdapter<Item> {
private CoverManager myCoverManager; private CoverManager myCoverManager;
public CatalogsListAdapter(int textViewResourceId) { public CatalogsListAdapter() {
super(AllCatalogsActivity.this, textViewResourceId, myAllItems); super(AllCatalogsActivity.this, R.layout.checkbox_item, myAllItems);
} }
@Override @Override
public View getView(int position, View convertView, final ViewGroup parent) { public View getView(int position, View convertView, final ViewGroup parent) {
View v = convertView;
final Item item = getItem(position); final Item item = getItem(position);
if (item instanceof SectionItem) { final View view;
v = LayoutInflater.from(getContext()).inflate(R.layout.checkbox_section, null); if (convertView != null && item.getClass().equals(convertView.getTag())) {
TextView tt = (TextView)v.findViewById(R.id.title); view = convertView;
if (tt != null) { } else {
tt.setText(((SectionItem)item).Title); 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) {
((TextView)view.findViewById(R.id.title)).setText(((SectionItem)item).Title);
} else /* if (item instanceof CatalogItem) */ { } else /* if (item instanceof CatalogItem) */ {
final CatalogItem catalogItem = (CatalogItem)item; final CatalogItem catalogItem = (CatalogItem)item;
if (myCoverManager == null) { if (myCoverManager == null) {
v.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); view.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int coverHeight = v.getMeasuredHeight(); final int coverHeight = view.getMeasuredHeight();
myCoverManager = new CoverManager(AllCatalogsActivity.this, coverHeight * 15 / 12, coverHeight); 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(); final INetworkLink link = catalogItem.Tree.getLink();
((TextView)v.findViewById(R.id.title)).setText(link.getTitle()); ((TextView)view.findViewById(R.id.title)).setText(link.getTitle());
((TextView)v.findViewById(R.id.subtitle)).setText(link.getSummary()); ((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)) { if (!myCoverManager.trySetCoverImage(coverView, catalogItem.Tree)) {
coverView.setImageResource(R.drawable.ic_list_library_books); 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.setChecked(catalogItem.IsChecked);
checkBox.setOnClickListener(new View.OnClickListener() { checkBox.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
@ -197,7 +203,7 @@ public class AllCatalogsActivity extends Activity {
} }
}); });
} }
return v; return view;
} }
} }
} }