1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.widget.listview;
18
19import android.app.ListActivity;
20import android.os.Bundle;
21import android.os.Handler;
22import android.view.View;
23import android.widget.AbsListView;
24import android.widget.AdapterView;
25import android.widget.ArrayAdapter;
26import android.widget.TextView;
27
28import com.android.frameworks.coretests.R;
29
30/**
31 * Exercises change notification in a list
32 */
33public class ListScrollListener extends ListActivity implements AbsListView.OnScrollListener {
34    Handler mHandler = new Handler();
35    TextView mText;
36
37    @Override
38    public void onCreate(Bundle icicle) {
39        super.onCreate(icicle);
40
41        setContentView(R.layout.list_scroll_listener);
42
43        String values[] = new String[1000];
44        int i=0;
45        for(i=0; i<1000; i++) {
46            values[i] = ((Integer)i).toString();
47        }
48
49        mText = (TextView) findViewById(R.id.text);
50        setListAdapter(new ArrayAdapter<String>(this,
51                android.R.layout.simple_list_item_1, values));
52
53
54        getListView().setOnScrollListener(this);
55    }
56
57    public void onItemSelected(AdapterView parent, View v, int position, long id) {
58        mText.setText("Position " + position);
59    }
60
61    public void onNothingSelected(AdapterView parent) {
62        mText.setText("Nothing");
63    }
64
65    public void onScroll(AbsListView view, int firstCell, int cellCount, int itemCount) {
66        int last = firstCell + cellCount - 1;
67        mText.setText("Showing " + firstCell + "-" + last + "/" + itemCount);
68    }
69
70    public void onScrollStateChanged(AbsListView view, int scrollState) {
71    }
72}
73