EditText und darunter ListView für Kontaktliste

1import android.app.ListActivity;
2import android.content.Intent;
3import android.database.Cursor;
4import android.database.CursorWrapper;
5import android.net.Uri;
6import android.os.Bundle;
7import android.provider.ContactsContract;
8import android.provider.ContactsContract.Contacts;
9import android.view.View;
10import android.widget.AdapterView;
11import android.widget.AdapterView.OnItemClickListener;
12import android.widget.EditText;
13import android.widget.ListAdapter;
14import android.widget.ListView;
15import android.widget.SimpleCursorAdapter;
16
17public class MiniContacts extends ListActivity {
18
19 private Cursor cursorContacts;
20
21 @Override
22 public void onCreate(Bundle savedInstanceState) {
23 super.onCreate(savedInstanceState);
24// setContentView(R.layout.main);
25// EditText ed = (EditText)findViewById(R.id.editText1);
26 // Kontaktliste ermitteln
27 String filter="display_name like 'xyz%'";
28 cursorContacts = getContentResolver().query(
29 ContactsContract.Contacts.CONTENT_URI, null, filter, null, null);
30 startManagingCursor(cursorContacts);
31 // bildet Datensätze auf Listenelemente ab
32 ListAdapter adapter = new SimpleCursorAdapter(this,
33 android.R.layout.simple_list_item_1, cursorContacts,
34 new String[] { Contacts.DISPLAY_NAME },
35 new int[] { android.R.id.text1 });
36 setListAdapter(adapter);
37 getListView().setOnItemClickListener(new OnItemClickListener() {
38
39 @Override
40 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
41 Object o = getListAdapter().getItem(position);
42 if (o instanceof CursorWrapper) {
43 // Welcher Datensatz?
44 CursorWrapper w = (CursorWrapper) o;
45 int columnIndex = w.getColumnIndex(Contacts._ID);
46 long contactId = w.getLong(columnIndex);
47 Uri uri = Uri.withAppendedPath(
48 ContactsContract.Contacts.CONTENT_URI,
49 Long.toString(contactId));
50 // Kontakt anzeigen
51 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
52 startActivity(intent);
53 }
54 }
55 });
56
57 }
58
59 @Override
60 protected void onDestroy() {
61 super.onDestroy();
62 stopManagingCursor(cursorContacts);
63 }
64}

1<?xml version="1.0" encoding="utf-8"?>
2
3<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
4 android:layout_width="fill_parent"
5 android:layout_height="fill_parent"
6 android:padding="6dp"
7 >
8
9 <EditText
10 android:id="@+id/editText1"
11 android:layout_width="wrap_content"
12 android:layout_height="wrap_content"
13 android:layout_alignParentLeft="true"
14 android:layout_alignParentTop="true"
15 android:layout_marginTop="10dp"
16 android:ems="10" >
17
18 <requestFocus />
19 </EditText>
20
21 <ListView
22 android:id="@android:id/list"
23 android:layout_width="match_parent"
24 android:layout_height="wrap_content"
25 android:layout_alignLeft="@+id/editText1"
26 android:layout_below="@+id/editText1"
27 android:layout_marginBottom="30dp" >
28 </ListView>
29
30 <Button
31 android:id="@+id/button1"
32 android:layout_width="wrap_content"
33 android:layout_height="wrap_content"
34 android:layout_above="@android:id/list"
35 android:layout_toRightOf="@+id/editText1"
36 android:text="Button" />
37
38</RelativeLayout>

1import android.app.ListActivity;
2import android.content.Intent;
3import android.database.Cursor;
4import android.database.CursorWrapper;
5import android.net.Uri;
6import android.os.Bundle;
7import android.provider.ContactsContract;
8import android.provider.ContactsContract.Contacts;
9import android.view.KeyEvent;
10import android.view.View;
11import android.view.View.OnClickListener;
12import android.view.View.OnFocusChangeListener;
13import android.widget.AdapterView;
14import android.widget.AdapterView.OnItemClickListener;
15import android.widget.Button;
16import android.widget.EditText;
17import android.widget.ListAdapter;
18import android.widget.ListView;
19import android.widget.SimpleCursorAdapter;
20
21public class MiniContacts extends ListActivity implements OnClickListener {
22
23 private Cursor cursorContacts;
24 String filter="display_name like 'anja%'";
25 EditText ed;
26
27 @Override
28 public void onCreate(Bundle savedInstanceState) {
29 super.onCreate(savedInstanceState);
30 setContentView(R.layout.main);
31 ed = (EditText)findViewById(R.id.editText1);
32 Button button = (Button)findViewById(R.id.button1);
33 button.setOnClickListener(this);
34 }
35 public void onClick(View v) {
36 filter = "display_name like '" + ed.getText().toString()+"%'"; //Achtung: Hochkomma
37 go();
38 }
39
40 private void go() {
41 // Kontaktliste ermitteln
42 cursorContacts = getContentResolver().query(
43 ContactsContract.Contacts.CONTENT_URI, null, filter, null, null);
44 startManagingCursor(cursorContacts);
45 // bildet Datensätze auf Listenelemente ab
46 ListAdapter adapter = new SimpleCursorAdapter(this,
47 android.R.layout.simple_list_item_1, cursorContacts,
48 new String[] { Contacts.DISPLAY_NAME },
49 new int[] { android.R.id.list });
50 setListAdapter(adapter);
51 getListView().setOnItemClickListener(new OnItemClickListener() {
52
53 @Override
54 public void onItemClick(AdapterView<?> parent, View view,
55 int position, long id) {
56 Object o = getListAdapter().getItem(position);
57 if (o instanceof CursorWrapper) {
58 // Welcher Datensatz?
59 CursorWrapper w = (CursorWrapper) o;
60 int columnIndex = w.getColumnIndex(Contacts._ID);
61 long contactId = w.getLong(columnIndex);
62 Uri uri = Uri.withAppendedPath(
63 ContactsContract.Contacts.CONTENT_URI,
64 Long.toString(contactId));
65 // Kontakt anzeigen
66 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
67 startActivity(intent);
68 }
69 }
70 });
71
72 }
73 @Override
74 protected void onDestroy() {
75 super.onDestroy();
76 stopManagingCursor(cursorContacts);
77 }