ListView

1<RelativeLayout
2 android:layout_width="match_parent"
3 android:layout_height="match_parent"
4 tools:context=".MainActivity" >
5
6 <EditText
7 android:id="@+id/editText"
8 android:layout_width="wrap_content"
9 android:layout_height="wrap_content"
10 android:layout_alignParentLeft="true"
11 android:layout_alignParentTop="true"
12 android:text="@string/suchen" />
13
14 <Button
15 android:id="@+id/button1"
16 android:layout_width="wrap_content"
17 android:layout_height="wrap_content"
18 android:layout_alignParentRight="true"
19 android:layout_alignParentTop="true"
20 android:text="@string/suchen" />
21
22 <ListView
23 android:id="@+id/listView"
24 android:layout_width="wrap_content"
25 android:layout_height="wrap_content"
26 android:layout_below="@id/editText"/>
27
28</RelativeLayout>

1<?xml version="1.0" encoding="utf-8"?>
2<RelativeLayout
3 android:layout_width="match_parent"
4 android:layout_height="match_parent"
5 android:orientation="vertical" >
6
7 <TextView
8 android:id="@+id/Name"
9 android:layout_width="wrap_content"
10 android:layout_height="wrap_content" />
11
12 <TextView
13 android:id="@+id/Grad"
14 android:layout_width="wrap_content"
15 android:layout_height="wrap_content"
16 android:layout_toRightOf="@id/Name" />
17
18</RelativeLayout>

1public class Item {
2
3 public String name, grad;
4
5 public Item(String _name, String _grad){
6 this.name = _name;
7 this.grad = _grad;
8 }
9
10}

1import java.util.ArrayList;
2import android.os.Bundle;
3import android.app.Activity;
4import android.view.LayoutInflater;
5import android.view.Menu;
6import android.view.View;
7import android.view.ViewGroup;
8import android.widget.BaseAdapter;
9import android.widget.LinearLayout;
10import android.widget.ListView;
11import android.widget.RelativeLayout;
12import android.widget.TextView;
13
14public class MainActivity extends Activity {
15
16 public ArrayList<Item> datensaetze;
17 Adapter myAdapter;
18
19 @Override
20 protected void onCreate(Bundle savedInstanceState) {
21 super.onCreate(savedInstanceState);
22 setContentView(R.layout.activity_main);
23 init();
24
25 ListView listView = (ListView) findViewById(R.id.listView);
26 myAdapter = new Adapter();
27 listView.setAdapter(myAdapter);
28
29
30 }
31
32 @Override
33 public boolean onCreateOptionsMenu(Menu menu) {
34 // Inflate the menu; this adds items to the action bar if it is present.
35 getMenuInflater().inflate(R.menu.activity_main, menu);
36 return true;
37 }
38
39 public void init(){
40 datensaetze = new ArrayList<Item>();
41 datensaetze.add(new Item("Aal", "Keine"));
42 datensaetze.add(new Item("Agar-Agar", "Sehr stark"));
43 datensaetze.add(new Item("Amaranth", "Keine"));
44 }
45
46 public class Adapter extends BaseAdapter {
47
48 LayoutInflater mInflater;
49
50
51 @Override
52 public int getCount() {
53 return datensaetze.size();
54 }
55
56 @Override
57 public Object getItem(int position) {
58 return datensaetze.get(position);
59 }
60
61 @Override
62 public long getItemId(int position) {
63 return position;
64 }
65
66 @Override
67 public View getView(int position, View convertView, ViewGroup parent) {
68
69 if(convertView == null){
70 convertView = mInflater.inflate(R.layout.itemlayout, parent, false);
71
72 }
73 TextView nameTextView = (TextView) convertView.findViewById(R.id.Name);
74 TextView gradTextView = (TextView) convertView.findViewById(R.id.Grad);
75
76 Item item = (Item) getItem(position);
77 nameTextView.setText(item.name);
78 gradTextView.setText(item.grad);
79
80 return convertView;
81 }
82
83 }
84}