CursorLoader配置参数和模糊查询

1. 配置loader

    public void configureLoader(CursorLoader loader) {
        String query = getQueryString();
        if (query == null) query = "";
        query = query.trim();

        loader.setUri(Provider.CONTENT_URI);
        if (isSearchMode() && !TextUtils.isEmpty(query)) {
            loader.setProjection(getProjection(true));
            loader.setSelection(
                    Provider.SUBSCRIBED + "= 1 AND (" +
                            Provider.SERVICE_NAME + " LIKE '%" + query + "%' OR " +
                            Provider.EMAIL + " LIKE '%" + query + "%' OR " +
                            Provider.PHONE_NUMBER + " LIKE '%" + query + "%')");
            loader.setSelectionArgs(null);
            loader.setSortOrder(Provider.SUBSCRIBED + "," + Provider.SERVICE_NAME);
            if (loader instanceof DefaultsLoader) {
                ((DefaultsLoader) loader).setLoadPreset(false);
            }
        } else {
            loader.setProjection(getProjection(false));
            loader.setSelection(Provider.SUBSCRIBED + "= 1");
            loader.setSelectionArgs(null);
            loader.setSortOrder(Provider.SUBSCRIBED + "," + Provider.SERVICE_NAME);
            if (loader instanceof DefaultsLoader) {
                ((DefaultsLoader) loader).setLoadPreset(false);
            }
        }