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/* //device/apps/Notes/NotesList.java
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
package com.android.development;
import android.app.ListActivity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import java.util.ArrayList;
public class DataList extends ListActivity
{
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
Intent intent = getIntent();
mCursor = getContentResolver().query(intent.getData(), null, null, null, null);
mDisplay = intent.getStringExtra("display");
if (mDisplay == null) {
mDisplay = "_id";
}
if (mCursor != null) {
setListAdapter(new SimpleCursorAdapter(
this,
R.layout.url_list,
mCursor,
new String[] {mDisplay},
new int[] {android.R.id.text1}));
}
}
public void onStop()
{
super.onStop();
if (mCursor != null) {
mCursor.deactivate();
}
}
public void onResume()
{
super.onResume();
if (mCursor != null) {
mCursor.requery();
}
setTitle("Showing " + mDisplay);
}
public boolean onCreateOptionsMenu(Menu menu)
{
super.onCreateOptionsMenu(menu);
menu.add(0, 0, 0, "Requery").setOnMenuItemClickListener(mRequery);
return true;
}
protected void onListItemClick(ListView l, View v, int position, long id)
{
mCursor.moveToPosition(position);
ArrayList<ColumnData> data = new ArrayList<ColumnData>();
String[] columnNames = mCursor.getColumnNames();
for (int i=0; i<columnNames.length; i++) {
String str = mCursor.getString(i);
ColumnData cd = new ColumnData(columnNames[i], str);
data.add(cd);
}
Uri uri = null;
int idCol = mCursor.getColumnIndex("_id");
if (idCol >= 0) {
uri = Uri.withAppendedPath(getIntent().getData(), mCursor.getString(idCol));
}
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.setClass(this, Details.class);
intent.putExtra("data", data);
int displayColumn = mCursor.getColumnIndex(mDisplay);
if (displayColumn >= 0) {
intent.putExtra("title",
((ColumnData)data.get(displayColumn)).value);
}
startActivity(intent);
}
MenuItem.OnMenuItemClickListener mRequery = new MenuItem.OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// Should just do requery on cursor, but
// doesn't work right now. So do this instead.
mCursor.requery();
if (mCursor != null) {
setListAdapter(new SimpleCursorAdapter(
DataList.this,
R.layout.url_list,
mCursor,
new String[] {mDisplay},
new int[] {android.R.id.text1}));
}
return true;
}
};
private String mDisplay;
private Cursor mCursor;
}
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