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package org.holoeverywhere.app;
import org.holoeverywhere.R;
import org.holoeverywhere.widget.ListView;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListAdapter;
public abstract class ListActivity extends Activity {
protected ListAdapter mAdapter;
private boolean mFinishedStart = false;
private Handler mHandler = new Handler();
protected ListView mList;
private AdapterView.OnItemClickListener mOnClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v, int position,
long id) {
onListItemClick((ListView) parent, v, position, id);
}
};
private Runnable mRequestFocus = new Runnable() {
@Override
public void run() {
mList.focusableViewAvailable(mList);
}
};
private void ensureList() {
if (mList != null) {
return;
}
setContentView(R.layout.list_content);
}
public ListAdapter getListAdapter() {
return mAdapter;
}
public ListView getListView() {
ensureList();
return mList;
}
public long getSelectedItemId() {
return mList.getSelectedItemId();
}
public int getSelectedItemPosition() {
return mList.getSelectedItemPosition();
}
@Override
public void onContentChanged() {
super.onContentChanged();
View emptyView = findViewById(android.R.id.empty);
mList = (ListView) findViewById(android.R.id.list);
if (mList == null) {
throw new RuntimeException(
"Your content must have a ListView whose id attribute is "
+ "'android.R.id.list'");
}
if (emptyView != null) {
mList.setEmptyView(emptyView);
}
mList.setOnItemClickListener(mOnClickListener);
if (mFinishedStart) {
setListAdapter(mAdapter);
}
mHandler.post(mRequestFocus);
mFinishedStart = true;
}
@Override
protected void onDestroy() {
mHandler.removeCallbacks(mRequestFocus);
super.onDestroy();
}
protected void onListItemClick(ListView l, View v, int position, long id) {
}
@Override
protected void onRestoreInstanceState(Bundle state) {
ensureList();
super.onRestoreInstanceState(state);
}
public void setListAdapter(ListAdapter adapter) {
synchronized (this) {
ensureList();
mAdapter = adapter;
mList.setAdapter(adapter);
}
}
public void setSelection(int position) {
mList.setSelection(position);
}
}
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