/* * 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 android.widget.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.frameworks.coretests.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) { } }