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List component

Last Updated: Feb 24, 2022

AUPinnedSectionListView provides ListView by group. Titles of groups are fixed during sliding.

Note

If you use this control, you need to distinguish data model types. Otherwise, it is an ordinary ListView.

Sample image

Dependency

See Quick start.

Sample code

    public class PinnedSectionActivity extends Activity{

    private AUPullRefreshView pullRefreshView;
    AUPullLoadingView mAUPullLoadingView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.pinned_layout);
        pullRefreshView = (AUPullRefreshView) findViewById(R.id.pull_refresh);
        final AUPinnedSectionListView pinnedSectionListView = (AUPinnedSectionListView) findViewById(R.id.list_view);

        TextView tv = new TextView(this);
        tv.setText("nihao");
        pinnedSectionListView.addHeaderView(tv);
        pullRefreshView.setRefreshListener(new AUPullRefreshView.RefreshListener() {

            @Override
            public void onRefresh() {

                pullRefreshView.autoRefresh();

                pullRefreshView.postDelayed(new Runnable() {

                    @Override
                    public void run() {
                        pullRefreshView.refreshFinished();

                    }
                }, 1000);

            }

            @Override
            public AUPullLoadingView getOverView() {

                mAUPullLoadingView = (AUPullLoadingView) LayoutInflater.from(getBaseContext())
                        .inflate(com.alipay.mobile.antui.R.layout.au_framework_pullrefresh_overview, null);
                Date date = new Date(1466577757265L);
                SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                String dateString = formatter.format(date);
                mAUPullLoadingView.setIndicatorText(dateString);
                mAUPullLoadingView.setLoadingText(dateString);
                return mAUPullLoadingView;
            }

            @Override
            public boolean canRefresh() {
                return true;
            }
        });


        final SimpleAdapter adapter  = new SimpleAdapter(this, android.R.layout.simple_list_item_1, android.R.id.text1);

        pinnedSectionListView.setAdapter(adapter);

        pinnedSectionListView.onFinishLoading(true);
        pinnedSectionListView.setOnLoadMoreListener(new AUPinnedSectionListView.OnLoadMoreListener() {
            @Override
            public void onLoadMoreItems() {

                pinnedSectionListView.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        pinnedSectionListView.onFinishLoading(false);
                    }
                }, 3000);

            }
        });
    }


    static class SimpleAdapter extends ArrayAdapter<Item> implements AUPinnedSectionListView.PinnedSectionListAdapter {


        public SimpleAdapter(Context context, int resource, int textViewResourceId) {
            super(context, resource, textViewResourceId);
            generateDataset('A', 'Z', false);
        }

        public void generateDataset(char from, char to, boolean clear) {

            if (clear) clear();

            final int sectionsNumber = to - from + 1;
            prepareSections(sectionsNumber);

            int sectionPosition = 0, listPosition = 0;
            for (char i=0; i<sectionsNumber; i++) {
                Item section = new Item(Item.SECTION, String.valueOf((char)('A' + i)));
                section.sectionPosition = sectionPosition;
                section.listPosition = listPosition++;
                onSectionAdded(section, sectionPosition);
                add(section);

                final int itemsNumber = (int) Math.abs((Math.cos(2f*Math.PI/3f * sectionsNumber / (i+1f)) * 25f));
                for (int j=0;j<itemsNumber;j++) {
                    Item item = new Item(Item.ITEM, section.text.toUpperCase(Locale.ENGLISH) + " - " + j);
                    item.sectionPosition = sectionPosition;
                    item.listPosition = listPosition++;
                    add(item);
                }

                sectionPosition++;
            }
        }

        protected void prepareSections(int sectionsNumber) { }
        protected void onSectionAdded(Item section, int sectionPosition) { }

        @Override public View getView(int position, View convertView, ViewGroup parent) {
            TextView view = (TextView) super.getView(position, convertView, parent);
            view.setTextColor(Color.DKGRAY);
            view.setTag("" + position);
            Item item = getItem(position);
            if (item.type == Item.SECTION) {
                //view.setOnClickListener(PinnedSectionListActivity.this);
                view.setBackgroundColor(Color.parseColor("#ff0000"));
            }
            return view;
        }

        @Override public int getViewTypeCount() {
            return 2;
        }

        @Override public int getItemViewType(int position) {
            return getItem(position).type;
        }

        @Override
        public boolean isItemViewTypePinned(int viewType) {
            return viewType == Item.SECTION;
        }

    }

    static class Item {

        public static final int ITEM = 0;
        public static final int SECTION = 1;

        public final int type;
        public final String text;

        public int sectionPosition;
        public int listPosition;

        public Item(int type, String text) {
            this.type = type;
            this.text = text;
        }

        @Override public String toString() {
            return text;
        }

    }
}