Drag N Drop ListView und Checkbox

1<!-- settings.xml -->
2<?xml version="1.0" encoding="utf-8"?>
3<LinearLayout xmlns:android=...>
4
5 <LinearLayout... >
6 </LinearLayout>
7
8 <RelativeLayout ... >
9 </RelativeLayout>
10
11 <TextView ... />
12
13 <at.fhj.itm09.logic.DDListView
14 android:id="@+id/android:list"
15 android:layout_width="match_parent"
16 android:layout_height="230dp"
17 android:layout_weight="2" >
18 </at.fhj.itm09.logic.DDListView>
19
20 <TextView
21 android:id="@+id/android:empty"
22 android:layout_width="fill_parent"
23 android:layout_height="fill_parent"
24 android:text="@string/noText"
25 android:textColor="#000"/>
26
27 <RelativeLayout ... >
28
29 <Button ... />
30 <Button ... />
31 </RelativeLayout>
32</LinearLayout>

1/*
2 * Adapter
3 */...
4public class CustomAdapter extends ArrayAdapter<Channel> {
5 private ArrayList<Channel> items;
6 private Context context;
7 private int resourceID;
8 private Channel c;
9 private View v = null;
10
11 public CustomAdapter(Context context, int textViewResourceId, ArrayList<Channel> items) {
12 super(context, textViewResourceId, items);
13 this.items = items;
14 this.context = context;
15 this.resourceID = textViewResourceId;
16 }
17
18 @Override
19 public View getView(int position, View convertView, ViewGroup parent) {
20 v = convertView;
21 if(v == null){
22 /*
23 * added context to get system service!
24 */
25 LayoutInflater vi = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
26 v = vi.inflate(resourceID, null);
27 }
28 c = items.get(position);
29 if(c != null){
30 if(resourceID == R.layout.favourite_settings_row) {
31 setSettingView(position);
32 }
33 if(resourceID == R.layout.all_channels_row) {
34 setAllChannelsView();
35 }
36 }
37 return v;
38 }
39
40 /*
41 * private methods
42 */
43
44 private void setAllChannelsView() {
45 TextView name = (TextView) v.findViewById(R.id.channelTitleAllChannels);
46 if(name != null)
47 name.setText(c.getTitle());
48 }
49
50 private void setSettingView(int position) {
51 TextView name = (TextView) v.findViewById(R.id.channelTitleSettings);
52 CheckBox isFavourite = (CheckBox) v.findViewById(R.id.isFavourite);
53
54 if(name != null){
55 name.setText(c.getTitle());
56 }
57 }
58}

1/*
2 * Activity
3 */
4...
5
6public class SettingsActivity extends ListActivity implements OnClickListener {
7
8 private ArrayList<Channel> channels = new ArrayList<Channel>();
9 private CustomAdapter adapter;
10
11 private Button back, save, login, register;
12 private ListView listView = null;
13
14 @Override
15 protected void onCreate(Bundle savedInstanceState) {
16 super.onCreate(savedInstanceState);
17 setContentView(R.layout.settings);
18
19 this.back = (Button) findViewById(R.id.closeSettings);
20 this.back.setOnClickListener(this);
21 this.save = (Button) findViewById(R.id.saveSettings);
22 this.save.setOnClickListener(this);
23
24 /*
25 * ListView
26 */
27 listView = getListView();
28 listView.setOnCreateContextMenuListener(this);
29 ((DDListView) listView).setDropListener(mDropListener);
30
31 /*
32 * add all channels to the custom view
33 */
34 channels = JsonParser.getChannels();
35 this.adapter = new CustomAdapter(this, R.layout.favourite_settings_row, channels);
36 listView.setAdapter(adapter);
37 }
38
39 //Drop Listener
40 private DDListView.DropListener mDropListener =
41 new DDListView.DropListener()
42 {
43 public void drop(int from, int to)
44 {
45 Log.e("SettingsActivity","from="+from+" to="+to);
46 Channel item=adapter.getItem(from);
47
48 adapter.remove(item);
49 adapter.insert(item, to);
50 }
51 };
52
53 /*
54 * OnClickListener for Buttons and Drag n Drop
55 */
56 @Override
57 public void onClick(View v) {
58 if(v.equals(back)){
59 /*
60 * TODO: implement check if all settings are saved!
61 */
62 this.finish();
63 }
64 if(v.equals(save)) {
65 /*
66 * TODO: implement save functionality
67 */
68 Log.i("Under Development", "Save functionality not implemented yet");
69 Toast t = Toast.makeText(this, "Save function not implemented yet", Toast.LENGTH_LONG);
70 t.show();
71
72 for(Channel c : channels) {
73 int position = adapter.getPosition(c);
74 if(c.getPosition() != position) {
75 c.setPosition(position);
76
77 Log.i("SettingsActivity", "Set channel " + c.getTitle() +
78 " to position " + position);
79 }
80 }
81 this.finish();
82 }
83 if(v.equals(login)) {
84 Log.i("Under Development", "Not implemented yet");
85 Toast t = Toast.makeText(this, "Not implemented yet", Toast.LENGTH_LONG);
86 t.show();
87 }
88 if(v.equals(register)) {
89 Log.i("Under Development", "Not implemented yet");
90 Toast t = Toast.makeText(this, "Not implemented yet", Toast.LENGTH_LONG);
91 t.show();
92 }
93 }
94}

1<!-- settings_row.xml -->
2<?xml version="1.0" encoding="utf-8"?>
3<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:background="#fff"
7 android:orientation="horizontal" >
8
9 <ImageView
10 android:id="@+id/channelIconSettings"
11 android:layout_width="wrap_content"
12 android:layout_height="fill_parent"
13 android:layout_marginLeft="6dip"
14 android:layout_marginRight="10dip"
15 android:layout_marginTop="2dip"
16 android:layout_marginBottom="2dip"
17 android:src="@drawable/no_image" />
18
19 <TextView
20 android:id="@+id/channelTitleSettings"
21 android:layout_width="148dp"
22 android:layout_height="fill_parent"
23 android:layout_marginLeft="10dip"
24 android:layout_marginTop="2dip"
25 android:layout_marginBottom="2dip"
26 android:layout_weight="0.30"
27 android:gravity="center_vertical"
28 android:text="@string/noText"
29 android:textAppearance="?android:attr/textAppearanceLarge"
30 android:textColor="#000" />
31
32 <CheckBox
33 android:id="@+id/isFavourite"
34 android:layout_width="wrap_content"
35 android:layout_height="fill_parent"
36 android:layout_marginRight="6dip"
37 android:layout_marginTop="2dip"
38 android:layout_marginBottom="2dip"
39 android:gravity="center_vertical" />
40
41</LinearLayout>