| /* //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; |
| } |