/
ObservableListAdapter.java
58 lines (49 loc) · 2.2 KB
/
ObservableListAdapter.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
package info.competitiveprogramming.observablelistview;
import android.content.Context;
import android.databinding.DataBindingUtil;
import android.databinding.ObservableArrayList;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import info.competitiveprogramming.observablelistview.databinding.ListSimpleMessageBinding;
public class ObservableListAdapter extends ArrayAdapter<SimpleMessage> {
public ObservableListAdapter(Context context, ObservableArrayList<SimpleMessage> data) {
super(context, R.layout.list_simple_message, data);
data.addOnListChangedCallback(new ObservableArrayList.OnListChangedCallback<ObservableArrayList<SimpleMessage>>() {
@Override
public void onChanged(ObservableArrayList<SimpleMessage> simpleMessages) {
notifyDataSetChanged();
}
@Override
public void onItemRangeChanged(ObservableArrayList<SimpleMessage> simpleMessages, int i, int i1) {
notifyDataSetChanged();
}
@Override
public void onItemRangeInserted(ObservableArrayList<SimpleMessage> simpleMessages, int i, int i1) {
notifyDataSetChanged();
}
@Override
public void onItemRangeMoved(ObservableArrayList<SimpleMessage> simpleMessages, int i, int i1, int i2) {
notifyDataSetChanged();
}
@Override
public void onItemRangeRemoved(ObservableArrayList<SimpleMessage> simpleMessages, int i, int i1) {
notifyDataSetChanged();
}
});
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ListSimpleMessageBinding binding;
if (convertView == null) {
binding = DataBindingUtil.inflate(LayoutInflater.from(getContext()), R.layout.list_simple_message, parent, false);
convertView = binding.getRoot();
convertView.setTag(binding);
} else {
binding = (ListSimpleMessageBinding) convertView.getTag();
}
binding.setMessage(getItem(position));
return convertView;
}
}