private void Delete(string keyword)
{
var result = SearchHistoryShared.DeleteSearchHistory(keyword, this);
if (result)
{
list.Remove(keyword);
adapter.NotifyDataSetChanged();
fixedListView(list.Count);//重新设置listview的高度
}
}
void initSearchHistory()
{
lv_searchHistory = FindViewById <ListView>(Resource.Id.lv_searchHistory);
imgbtn_delete = FindViewById <ImageButton>(Resource.Id.imgbtn_delete);
tv_deleteAll = FindViewById <TextView>(Resource.Id.tv_deleteAll);
tv_deleteAll.Click += (s, e) =>
{
bool result = SearchHistoryShared.DeleteSearchHistory(this);
if (result)
{
lv_searchHistory.Visibility = ViewStates.Gone;
tv_deleteAll.Text = "没有搜索记录";
tv_deleteAll.SetTextColor(Resources.GetColor(Resource.Color.lightBlack));
}
};
Dictionary <string, DateTime> dict = SearchHistoryShared.GetSearchHistory(this);
if (dict != null && dict.Count > 0)
{
tv_deleteAll.Visibility = ViewStates.Visible;
list = dict.Select(s => s.Key).ToList();
adapter = new SearchHistoryAdapter <string>(this, list, Resource.Layout.item_listview_searchhistory);
adapter.ActionDelte += (keyword) =>
{
Delete(keyword);
};
lv_searchHistory.Adapter = adapter;
fixedListView(list.Count);
lv_searchHistory.ItemClick += (s, e) =>
{
keyword = list[e.Position];
SearchResultActivity.Enter(category, keyword, true, this);
};
}
else
{
tv_deleteAll.Visibility = ViewStates.Visible;
tv_deleteAll.Text = "没有搜索记录";
tv_deleteAll.SetTextColor(Resources.GetColor(Resource.Color.lightBlack));
}
}
protected override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.searchResult);
var app = ((InitApp)ApplicationContext);
if (app != null)
{
app.addActivity(this);
}
tv_question = FindViewById <TextView>(Resource.Id.tv_question);
tv_news = FindViewById <TextView>(Resource.Id.tv_news);
tv_kb = FindViewById <TextView>(Resource.Id.tv_kb);
tv_blog = FindViewById <TextView>(Resource.Id.tv_blog);
search_keyword = FindViewById <SearchView>(Resource.Id.search_keyword);
_recyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerView);
Android.Support.V7.Widget.Toolbar toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar);
swipeRefreshLayout = FindViewById <SwipeRefreshLayout>(Resource.Id.swipeRefreshLayout);
swipeRefreshLayout.SetColorScheme(Resource.Color.primary);
swipeRefreshLayout.Refreshing = false;
StatusBarUtil.SetColorStatusBars(this);
category = Intent.GetStringExtra("category");
keyword = Intent.GetStringExtra("keyword");
startQuery = Intent.GetBooleanExtra("startquery", false);
initCategoryClick(); //初始化category单击事件
initCategoryByCategory(); //初始化category 选中的状态
toolbar.SetNavigationIcon(Resource.Drawable.back_24dp);
toolbar.NavigationClick += (s, e) =>
{
ActivityCompat.FinishAfterTransition(this);
};
swipeRefreshLayout.Refresh += (s, e) =>
{
swipeRefreshLayout.PostDelayed(() => {
swipeRefreshLayout.Refreshing = false;
}, 1000);
};
_recyclerView.SetLayoutManager(new Android.Support.V7.Widget.LinearLayoutManager(this));
//search_keyword.SubmitButtonEnabled = true; //默认为false 不显示提交按钮，是否启用提交按钮
search_keyword.OnActionViewExpanded(); //手动展开SearchView输入框，初始可以点击输入的状态
//search_keyword.SetIconifiedByDefault(false); //默认是为true 不显示输入框键盘,默认提交按钮不显示,该属性设置为false，则直接展开输入框弹出键盘
// search_keyword.RequestFocus(); //将控件设置成可获取焦点状态,默认是无法获取焦点的,只有设置成true,才能获取控件的点击事件
//search_keyword.Focusable = true;
search_keyword.ClearFocus();
search_keyword.Focusable = true;
if (!string.IsNullOrEmpty(keyword))
{
search_keyword.QueryHint = keyword;
}
search_keyword.FocusChange += (s, e) =>
{
System.Diagnostics.Debug.Write(e.HasFocus);
if (e.HasFocus)
{
SearchInputActivity.Enter(category, this);
}
};
search_keyword.SetOnQueryTextFocusChangeListener(this);
search_keyword.QueryTextSubmit += async(s, e) =>
{
keyword = search_keyword.Query.Trim();
if (keyword == null || keyword.Length == 0)
{
return;
}
SearchHistoryShared.SetSearchHistory(keyword, this);
swipeRefreshLayout.Refreshing = true;
await listSearchService((list) => {
swipeRefreshLayout.PostDelayed(() => {
swipeRefreshLayout.Refreshing = false;
}, 1000);
searchList = list;
initRecycler();
});
};
if (startQuery)
{
initCategoryByCategory();
SearchHistoryShared.SetSearchHistory(keyword, this);
if (!string.IsNullOrEmpty(keyword))
{
swipeRefreshLayout.Refreshing = true;
await listSearchService((list) => {
swipeRefreshLayout.PostDelayed(() => {
swipeRefreshLayout.Refreshing = false;
}, 1000);
searchList = list;
initRecycler();
});
}
}
}