[Tutorial] How to Add search function to custom Listview

1/**
2 * Filter
3 * @author 9Android.net
4 *
5 */
6public void filter(String charText) {
7 charText = charText.toLowerCase();
8 picList.clear();
9 if (charText.length() == 0) {
10 picList.addAll(listpicOrigin);
11 } else {
12 for (Picture pic : listpicOrigin) {
13 if (pic.getPicName().toLowerCase().contains(charText)) {
14 picList.add(pic);
15 }
16 }
17 }
18 notifyDataSetChanged();
19}

1<LinearLayout xmlns:android="schemas.android.com/apk/res/android"
2 xmlns:tools="schemas.android.com/tools"
3 android:id="@+id/LinearLayout1"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:orientation="vertical" >
7
8 <ViewFlipper
9 android:id="@+id/viewFlipper1"
10 android:layout_width="match_parent"
11 android:layout_height="fill_parent" >
12
13 <include
14 android:id="@+id/listpic_layout"
15 layout="@layout/listpic_layout" />
16
17 <include
18 android:id="@+id/viewpic_layout"
19 layout="@layout/view_pic_layout" />
20 </ViewFlipper>
21
22</LinearLayout>

1<LinearLayout xmlns:android="schemas.android.com/apk/res/android"
2 xmlns:tools="schemas.android.com/tools"
3 android:id="@+id/LinearLayout1"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:orientation="vertical" >
7
8 <EditText
9 android:id="@+id/search_edt"
10 android:layout_width="match_parent"
11 android:layout_height="wrap_content"
12 android:drawableRight="@drawable/search"
13 android:ems="10"
14 android:hint="Search pic name" >
15
16 <requestFocus />
17 </EditText>
18
19 <ListView
20 android:id="@+id/listView1"
21 android:layout_width="match_parent"
22 android:layout_height="wrap_content"
23 android:dividerHeight="3dp" >
24 </ListView>
25
26</LinearLayout>

1public class PicListAdapter extends BaseAdapter {
2 private Context mContext;
3 private LayoutInflater mInflater;
4 private List<Picture> picList = null;
5 private ArrayList<Picture> listpicOrigin;
6
7 public PicListAdapter(Context context, List<Picture> picList) {
8 mContext = context;
9 this.picList = picList;
10 mInflater = LayoutInflater.from(mContext);
11 this.listpicOrigin = new ArrayList<Picture>();
12 this.listpicOrigin.addAll(picList);
13 }
14
15 public class ViewHolder {
16 TextView picName;
17 TextView picType;
18 ImageView picIcon;
19 }
20
21 public View getView(int position, View view, ViewGroup parent) {
22 final ViewHolder holder;
23 if (view == null) {
24 holder = new ViewHolder();
25 view = mInflater.inflate(R.layout.list_item, null);
26 holder.picName = (TextView) view.findViewById(R.id.pic_name_txt);
27 holder.picType = (TextView) view.findViewById(R.id.pic_type_txt);
28 holder.picIcon = (ImageView) view.findViewById(R.id.pic_icon_img);
29 view.setTag(holder);
30 } else {
31 holder = (ViewHolder) view.getTag();
32 }
33
34 holder.picName.setText(picList.get(position).getPicName());
35 holder.picType.setText(picList.get(position).getPicType());
36 holder.picIcon.setImageResource(picList.get(position).getPicSource());
37
38 return view;
39 }
40
41 public int getCount() {
42 return picList.size();
43 }
44
45 public Picture getItem(int position) {
46 return picList.get(position);
47 }
48
49 public long getItemId(int position) {
50 return position;
51 }
52
53 /**
54 * Filter
55 * @author 9Android.net
56 *
57 */
58 public void filter(String charText) {
59 charText = charText.toLowerCase();
60 picList.clear();
61 if (charText.length() == 0) {
62 picList.addAll(listpicOrigin);
63 } else {
64 for (Picture pic : listpicOrigin) {
65 if (pic.getPicName().toLowerCase().contains(charText)) {
66 picList.add(pic);
67 }
68 }
69 }
70 notifyDataSetChanged();
71 }
72
73}