| /* |
| * Copyright (C) 2007 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.frameworktest.listview; |
| |
| import android.app.ListActivity; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.view.View; |
| import android.widget.AbsListView; |
| import android.widget.AdapterView; |
| import android.widget.ArrayAdapter; |
| import android.widget.TextView; |
| |
| import com.android.frameworktest.R; |
| |
| /** |
| * Exercises change notification in a list |
| */ |
| public class ListScrollListener extends ListActivity implements AbsListView.OnScrollListener { |
| Handler mHandler = new Handler(); |
| TextView mText; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| setContentView(R.layout.list_scroll_listener); |
| |
| String values[] = new String[1000]; |
| int i=0; |
| for(i=0; i<1000; i++) { |
| values[i] = ((Integer)i).toString(); |
| } |
| |
| mText = (TextView) findViewById(R.id.text); |
| setListAdapter(new ArrayAdapter<String>(this, |
| android.R.layout.simple_list_item_1, values)); |
| |
| |
| getListView().setOnScrollListener(this); |
| } |
| |
| public void onItemSelected(AdapterView parent, View v, int position, long id) { |
| mText.setText("Position " + position); |
| } |
| |
| public void onNothingSelected(AdapterView parent) { |
| mText.setText("Nothing"); |
| } |
| |
| public void onScroll(AbsListView view, int firstCell, int cellCount, int itemCount) { |
| int last = firstCell + cellCount - 1; |
| mText.setText("Showing " + firstCell + "-" + last + "/" + itemCount); |
| } |
| |
| public void onScrollStateChanged(AbsListView view, int scrollState) { |
| } |
| } |