/*
* 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.focus;
import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView;
import com.google.android.collect.Lists;
import com.android.frameworktest.R;
import java.util.List;
public class ListWithFooterViewAndNewLabels extends ListActivity {
private MyAdapter mMyAdapter;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.list_with_button_above);
Button footerButton = new Button(this);
footerButton.setText("hi");
footerButton.setLayoutParams(
new AbsListView.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
getListView().addFooterView(footerButton);
mMyAdapter = new MyAdapter(this);
setListAdapter(mMyAdapter);
// not in list
Button topButton = (Button) findViewById(R.id.button);
topButton.setText("click to add new item");
topButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mMyAdapter.addLabel("yo");
}
});
mMyAdapter.addLabel("first");
}
/**
* An adapter that can take new string labels.
*/
static class MyAdapter extends BaseAdapter {
private final Context mContext;
private List<String> mLabels = Lists.newArrayList();
public MyAdapter(Context context) {
mContext = context;
}
public int getCount() {
return mLabels.size();
}
public Object getItem(int position) {
return mLabels.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
String label = mLabels.get(position);
LayoutInflater inflater = (LayoutInflater)
mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
TextView tv = (TextView) inflater.inflate(
android.R.layout.simple_list_item_1,
null);
tv.setText(label);
return tv;
}
public void addLabel(String s) {
mLabels.add(s + mLabels.size());
notifyDataSetChanged();
}
}
}
|