I'm having a few problems getting my listview to show up in a simple application i'm writing. For some reason the getView()
method of my adapter class isn't getting called. However, when when getCount()
is called in my adapter class it isn't returning 0 but is in fact returning the proper value. I'm really confused as to why this isn't working.
Here is my Activity:
import android.app.Activity;
import android.os.Bundle;
import android.widget.ListView;
public class CardListActivity extends Activity {
protected ListView lv;
protected int nCards = 12;
protected String[] cardList = new String[nCards];
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.cardlist);
this.loadCardStrings();
lv = (ListView) findViewById(R.id.CardList_ListView);
EditorListAdapter adapter = new EditorListAdapter(this, this.cardList);
lv.setAdapter(adapter);
}
protected void loadCardStrings(){
cardList = getResources().getStringArray(R.array.card_list);
Util.logD("Created the string arrays with:" + Integer.toString(cardList.length) + " items.");
}
public void onStart(){
super.onStart();
}
public void onResume(){
super.onResume();
}
public void onPause(){
super.onPause();
}
public void onStop(){
super.onStop();
}
public void onDestroy(){
super.onDestroy();
}
}
Here is the layout used by the activity:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@+id/CardList_LinearLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
xmlns:android="http://schemas.android.com/apk/res/android">
<TextView android:id="@+id/text"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="Hello"/>
<ListView android:id="@+id/CardList_ListView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
Finally here is my adapter class:
import android.app.Activity;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class EditorListAdapter extends BaseAdapter
{
Activity context;
String names[];
public EditorListAdapter(Activity context, String[] title) {
super();
this.context = context;
this.names = title;
}
public int getCount() {
Util.logD("EditorListAdapter.getCount() ret:" + Integer.toString(names.length));
return names.length;
}
public Object getItem(int position) {
Util.logD("EditorListAdapter.getItem()");
return null;
}
public long getItemId(int position) {
Util.logD("EditorListAdapter.getItemId()");
return 0;
}
public View getView(int position, View convertView, ViewGroup parent)
{
TextView t;
if (convertView == null)
t = new TextView(parent.getContext());
else
t = (TextView) convertView;
t.setText(this.names[position]);
convertView = t;
Util.logD("EditorListAdapter.getView() + " + t.getText().toString());
return convertView;
}
// Added per K-Ballo suggestion
public int getViewTypeCount(){
return 1;
}
public int getItemViewType(){
return 0;
}
}
Try changing the android:layout_height="fill_parent"
for the textview to wrap_content
instead. I believe the listview is never getting displayed, so there is never a need to call getView()
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