public List <Button> btns = new List <Button>(); //初始化
public GridView createGridView(PlayList playList) //单独创建一个名为我的收藏的gridview，返回值为这个gridview
{
grid = new GridView();
grid.HorizontalAlignment = HorizontalAlignment.Center;
PivotItem pi1 = new PivotItem
{
Header = playList.Name,
Content = grid
};
mainpage_pivot.Items.Add(pi1);
grid.IsItemClickEnabled = true;
grid.ItemClick += new ItemClickEventHandler((sender, arg) => {
Live live = (Live)((StackPanel)arg.ClickedItem).Tag;
//Debug.WriteLine(live.Name);
root.Navigate(typeof(PlayerPage), live);
Debug.WriteLine(live.GetSimpleName());
});
return(grid);
}
//添加一个pivot页面
public void AddItem(PlayList playList)
{
GridView g = new GridView();
g.HorizontalAlignment = HorizontalAlignment.Center;
PivotItem pi1 = new PivotItem
{
Header = playList.Name,
Content = g
};
mainpage_pivot.Items.Add(pi1);
foreach (Live obj in playList.Livelist)
{
TextBlock t = new TextBlock
{
Text = obj.Name,
FontSize = 24,
HorizontalAlignment = HorizontalAlignment.Center,
};
Button b = new Button
{
Content = "\xE006",
FontSize = 24,
HorizontalAlignment = HorizontalAlignment.Center,
Tag = obj,
Background = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255)),
FontFamily = font,
Width = 50,
Height = 50,
Foreground = new SolidColorBrush(Color.FromArgb(255, 255, 0, 0))
};
b.Name = obj.Name; //方便查找相应的btn
b.Click += MainPage_Click; //主界面的点击事件
btns.Add(b); //将主界面的每个btn都加到列表里
Image img = new Image
{
Source = new BitmapImage(new Uri("https://hdtv.neu6.edu.cn/wall/img/" + obj.GetSimpleName() + "_s.png")),
//TODO 可以换一种更睿智的方法，目前显示效果不够好
//高清频道和非高清频道图片分辨率不同,手动设置图片宽高
//否则非高清频道 textblock无法显示
Width = 300,
Height = 225
};
bool a = false;
foreach (Live live1 in playList1.Livelist)
{
if (obj.Name == live1.Name)
{
a = true;
}
}
if (a)
{
b.Content = "\xE00B";
} //初始化主界面button的值
StackPanel itemPanel = new StackPanel();
itemPanel.Margin = new Thickness(8);
itemPanel.Children.Add(img);
itemPanel.Children.Add(t);
itemPanel.Children.Add(b);
itemPanel.Tag = obj;
g.Items.Add(itemPanel);
}
g.IsItemClickEnabled = true;
g.ItemClick += new ItemClickEventHandler((sender, arg) => {
Live live = (Live)((StackPanel)arg.ClickedItem).Tag;
//Debug.WriteLine(live.Name);
root.Navigate(typeof(PlayerPage), live);
});
}
// https://docs.microsoft.com/zh-cn/uwp/api/windows.storage.pickers.fileopenpicker#examples
public async Task Gets(Uri uri)
{
try
{
HttpClient httpClient = new HttpClient();
var response = await httpClient.GetAsync(uri);
var buffer = await response.Content.ReadAsBufferAsync();
//转为UTF-8格式
DataReader reader = DataReader.FromBuffer(buffer);
byte[] fileContent = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(fileContent);
Encoding encoding = Encoding.GetEncoding("UTF-8");
var str = encoding.GetString(fileContent);
JsonObject jsonObject = JsonObject.Parse(str);
JsonArray types = jsonObject["type"].GetArray();
JsonArray lives = jsonObject["live"].GetArray();
//储存节目单
Dictionary <String, PlayList> listMap = new Dictionary <string, PlayList>();
foreach (JsonValue obj in types)
{
String name = obj.GetObject()["name"].GetString();
String uid = obj.GetObject()["id"].GetString();
listMap.Add(uid, new PlayList(name, uid));
}
// Live json格式
// "num":50001,
// "itemid":"uid0",
// "name":"CCTV-1高清",
// "urllist":"http:....."
foreach (JsonValue obj in lives)
{
String name = obj.GetObject()["name"].GetString();
String itemid = obj.GetObject()["itemid"].GetString();
String urllist = obj.GetObject()["urllist"].GetString();
listMap[itemid].AddLive(new Live(urllist, name, itemid));
}
GridView grid = this.createGridView(playList1);//创建我的收藏的gridview
StorageFile sampleFile = await localFolder.CreateFileAsync("dataFile.txt", CreationCollisionOption.OpenIfExists);
String timestamp = await FileIO.ReadTextAsync(sampleFile);
string[] Array = timestamp.Split(new char[] { '+' });
for (int i = 1; i < Array.Length - 2; i = i + 3)
{
Live live = new Live(Array[i], Array[i + 1], Array[i + 2]);
playList1.AddLive(live);
AddLivesToPivot(grid, live);
} //把我的收藏里面的频道加到gridview里
//添加到页面
foreach (KeyValuePair <String, PlayList> pair in listMap)
{
PlayList playList = pair.Value;
this.AddItem(playList);
}
}
catch (Exception e)
{
Debug.WriteLine("xxxxx{0}", e);
button_open.Visibility = Visibility.Visible;
}
finally
{
mainpage_progress_ring.IsActive = false;
}
}