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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.widget.focus;
     18 
     19 import android.app.ListActivity;
     20 import android.content.Context;
     21 import android.os.Bundle;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.widget.AbsListView;
     26 import android.widget.BaseAdapter;
     27 import android.widget.Button;
     28 import android.widget.TextView;
     29 
     30 import com.google.android.collect.Lists;
     31 import com.android.frameworks.coretests.R;
     32 
     33 import java.util.List;
     34 
     35 public class ListWithFooterViewAndNewLabels extends ListActivity {
     36 
     37     private MyAdapter mMyAdapter;
     38 
     39     @Override
     40     protected void onCreate(Bundle icicle) {
     41         super.onCreate(icicle);
     42 
     43         setContentView(R.layout.list_with_button_above);
     44 
     45         Button footerButton = new Button(this);
     46         footerButton.setText("hi");
     47         footerButton.setLayoutParams(
     48                 new AbsListView.LayoutParams(
     49                         ViewGroup.LayoutParams.WRAP_CONTENT,
     50                         ViewGroup.LayoutParams.WRAP_CONTENT));
     51         getListView().addFooterView(footerButton);
     52 
     53         mMyAdapter = new MyAdapter(this);
     54         setListAdapter(mMyAdapter);
     55 
     56         // not in list
     57         Button topButton = (Button) findViewById(R.id.button);
     58         topButton.setText("click to add new item");
     59         topButton.setOnClickListener(new View.OnClickListener() {
     60 
     61             public void onClick(View v) {
     62                 mMyAdapter.addLabel("yo");
     63             }
     64         });
     65 
     66         mMyAdapter.addLabel("first");
     67     }
     68 
     69     /**
     70      * An adapter that can take new string labels.
     71      */
     72     static class MyAdapter extends BaseAdapter {
     73 
     74         private final Context mContext;
     75         private List<String> mLabels = Lists.newArrayList();
     76 
     77         public MyAdapter(Context context) {
     78             mContext = context;
     79         }
     80 
     81         public int getCount() {
     82             return mLabels.size();
     83         }
     84 
     85         public Object getItem(int position) {
     86             return mLabels.get(position);
     87         }
     88 
     89         public long getItemId(int position) {
     90             return position;
     91         }
     92 
     93         public View getView(int position, View convertView, ViewGroup parent) {
     94             String label = mLabels.get(position);
     95 
     96             LayoutInflater inflater = (LayoutInflater)
     97                     mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     98 
     99             TextView tv = (TextView) inflater.inflate(
    100                     android.R.layout.simple_list_item_1,
    101                     null);
    102             tv.setText(label);
    103             return tv;
    104         }
    105 
    106         public void addLabel(String s) {
    107             mLabels.add(s + mLabels.size());
    108             notifyDataSetChanged();
    109         }
    110     }
    111 }
    112