ListView / Adapter - Problem

1<?xml version="1.0" encoding="UTF-8"?>
2<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="fill_parent"
4 android:layout_height="20dp"
5 android:background="#000000">
6 <TextView
7 android:id="@+id/linebox"
8 android:layout_width="fill_parent"
9 android:layout_height="fill_parent">
10 </TextView>
11 <TextView
12 android:id="@+id/directionbox"
13 android:layout_width="fill_parent"
14 android:layout_height="fill_parent">
15 </TextView>
16</LinearLayout>

1package fh.mci.BusStop;
2
3import java.util.ArrayList;
4import android.content.Context;
5import android.view.LayoutInflater;
6import android.view.View;
7import android.view.ViewGroup;
8import android.widget.ArrayAdapter;
9import android.widget.TextView;
10
11public class ListAdapter extends ArrayAdapter<Line>{
12
13 private ArrayList<Line> items;
14
15 public ListAdapter(Context context, int textViewResourceId, ArrayList<Line> items) {
16 super(context, textViewResourceId, items);
17 this.items = items;
18 }
19
20 @Override
21 public View getView(int position, View convertView, ViewGroup parent){
22 View v = convertView;
23 if (v == null) {
24 LayoutInflater vi = (LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
25 v = vi.inflate(R.layout.listitem, null);
26 }
27 Line l = items.get(position);
28 if(l != null){
29 TextView lb = (TextView) v.findViewById(R.id.linebox);
30 if(lb != null){
31 lb.setText(l.getLine());
32 }
33 TextView db = (TextView) v.findViewById(R.id.directionbox);
34 if(db != null){
35 db.setText(l.getDirection());
36 }
37 }
38 return v;
39 }
40
41}

1@Override
2 public void onClick(View v) {
3 if(v == byLines){
4 ArrayList<Line> lines = new ArrayList<Line>();
5 lines = mng.getAllLines();
6 this.m_adapter = new ListAdapter(this, R.layout.listitem, lines);
7 setListAdapter(this.m_adapter);
8 Log.i("counter:", "lines: " + lines.size() + " m_adapter: " +m_adapter.getCount());
9 m_adapter.notifyDataSetChanged();
10 }
11 }

1<?xml version="1.0" encoding="UTF-8"?>
2<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="fill_parent"
4 android:layout_height="fill_parent"
5 android:gravity="center_horizontal">
6 <LinearLayout
7 android:layout_width="fill_parent"
8 android:layout_height="wrap_content"
9 android:gravity="center_horizontal">
10 <Button
11 android:text=""
12 android:id="@+id/btn_lines"
13 android:layout_width="wrap_content"
14 android:layout_height="wrap_content">
15 </Button>
16 <Button
17 android:text=""
18 android:id="@+id/btn_station"
19 android:layout_width="wrap_content"
20 android:layout_height="wrap_content">
21 </Button>
22 </LinearLayout>
23 <ListView
24 android:id="@+id/android:list"
25 android:layout_width="fill_parent"
26 android:layout_height="fill_parent">
27 </ListView>
28</LinearLayout>