package com.example.android.recipe045;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.AbsListView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.AbsListView.OnScrollListener;
public class Recipe045 extends Activity {
private static final String TAG = "Recipe045";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// 文字列のみのシンプルなAdapterを作成
ArrayAdapter<String> adapter;
adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1);
// 0から19までのリストアイテムを追加
for (int i=0; i<20; i++) {
adapter.add("item_" + i);
}
ListView listView = (ListView) findViewById(R.id.ListView01);
listView.setAdapter(adapter);
listView.setOnScrollListener(new OnScrollListener() {
public void onScrollStateChanged(AbsListView view,
int scrollState) {
// 実装が必須なので定義するが今回は使わない
}
public void onScroll(AbsListView view,
int firstVisibleItem,
int visibleItemCount,
int totalItemCount) {
Log.d(TAG, "++++++++++++++++");
Log.d(TAG, "firstVisibleItem=" + firstVisibleItem);
Log.d(TAG, "visibleItemCount=" + visibleItemCount);
Log.d(TAG, "totalItemCount=" + totalItemCount);
if ((totalItemCount - visibleItemCount) == firstVisibleItem) {
Toast.makeText(view.getContext(),
"ここが最後です><",
Toast.LENGTH_LONG).show();
}
}
});
}
}