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ListViewActivity.java
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ListViewActivity.java
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/*
* Copyright (C) 2013 Manuel Peinado
*
* 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.manuelpeinado.fadingactionbar.demo;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import com.manuelpeinado.fadingactionbar.FadingActionBarHelper;
public class ListViewActivity extends Activity {
private ArrayAdapter<String> adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FadingActionBarHelper helper = new FadingActionBarHelper()
.actionBarBackground(R.drawable.ab_background)
.headerLayout(R.layout.header)
.contentLayout(R.layout.activity_listview);
setContentView(helper.createView(this));
helper.initActionBar(this);
ListView listView = (ListView) findViewById(android.R.id.list);
ArrayList<String> items = loadItems(R.raw.nyc_sites);
adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, items);
listView.setAdapter(adapter);
}
/**
* @return A list of Strings read from the specified resource
*/
private ArrayList<String> loadItems(int rawResourceId) {
try {
ArrayList<String> countries = new ArrayList<String>();
InputStream inputStream = getResources().openRawResource(rawResourceId);
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line;
while ((line = reader.readLine()) != null) {
countries.add(line);
}
reader.close();
return countries;
} catch (IOException e) {
return null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.listview_activity_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.action_change_dataset) {
changeDataset();
return true;
}
return super.onOptionsItemSelected(item);
}
private void changeDataset() {
adapter.notifyDataSetChanged();
}
}