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using Unity.UIWidgets.foundation; |
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using Unity.UIWidgets.material; |
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using Unity.UIWidgets.painting; |
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using Unity.UIWidgets.rendering; |
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using Image = Unity.UIWidgets.widgets.Image; |
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using Text = Unity.UIWidgets.widgets.Text; |
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using ui_ = Unity.UIWidgets.widgets.ui_; |
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using TextStyle = Unity.UIWidgets.painting.TextStyle; |
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bodyText2: new TextStyle(fontSize: 14.0f) |
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) |
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), |
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home: new ImageFlow() |
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home: new Container(color: new Color(0xAF000000), |
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child: new ImageFlow()) |
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); |
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} |
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} |
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"lottieflow-social-networks-16-7-000000-easey.json", |
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}; |
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public static List<string> imageUrls = new List<string>() |
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{ |
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"https://cdn.pixabay.com/photo/2016/10/21/14/50/plouzane-1758197_960_720.jpg", |
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"https://cdn.pixabay.com/photo/2016/11/16/10/59/mountains-1828596_960_720.jpg", |
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"https://cdn.pixabay.com/photo/2017/08/24/22/37/gyrfalcon-2678684_960_720.jpg", |
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"https://cdn.pixabay.com/photo/2013/01/17/08/25/sunset-75159_960_720.jpg", |
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"https://cdn.pixabay.com/photo/2021/04/06/21/08/crown-anemone-6157488_960_720.jpg", |
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"https://cdn.pixabay.com/photo/2021/05/10/10/46/yellow-wall-6243164_960_720.jpg", |
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}; |
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public static bool UseImage = true; |
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public static T RandomSelect<T>(this List<T> a) |
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{ |
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class ImageFlowState : State<ImageFlow> |
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{ |
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readonly List<StaggeredTile> _staggeredTiles = new List<StaggeredTile> |
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public ImageFlowState() |
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StaggeredTile.count(2, 2), |
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StaggeredTile.count(2, 1), |
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}; |
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UpdateTiles(); |
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} |
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private readonly List<StaggeredTile> _staggeredTiles = new List<StaggeredTile>(); |
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private readonly List<Widget> _tiles = new List<Widget>(); |
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private int count = 4; |
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private int tileCount = 10; |
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readonly List<Widget> _tiles = new List<Widget> |
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public void UpdateTiles() |
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new LottieTile(Colors.green, "1055-world-locations.json"), |
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new LottieTile(Colors.lightBlue, "1370-confetti.json"), |
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}; |
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while (_tiles.Count < tileCount) |
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{ |
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if (Utils.UseImage) |
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{ |
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_tiles.Add( |
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new ImageTile( |
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Utils.colors.RandomSelect(), |
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Utils.imageUrls.RandomSelect() |
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) |
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); |
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} |
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else |
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{ |
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_tiles.Add( |
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new LottieTile( |
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Utils.colors.RandomSelect(), |
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Utils.lotties.RandomSelect() |
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) |
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); |
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} |
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_staggeredTiles.Add( |
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StaggeredTile.count( |
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Utils.random.Next(2) + 1, |
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Utils.random.Next(2) + 1) |
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); |
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} |
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private int count = 4; |
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while (_tiles.Count > tileCount) |
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{ |
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_tiles.RemoveAt(0); |
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_staggeredTiles.RemoveAt(0); |
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} |
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} |
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return new Scaffold( |
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appBar: new AppBar( |
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title: new Text("Flow") |
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), |
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body: |
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new Column( |
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children: new List<Widget>() |
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{ |
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new Expanded(child: |
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new Container( |
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child: |
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StaggeredGridView.count( |
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crossAxisCount: count, |
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staggeredTiles: _staggeredTiles, |
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mainAxisSpacing: 3, |
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crossAxisSpacing: 3, |
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padding: EdgeInsets.all(4), |
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children: _tiles |
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) |
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)), |
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new Row( |
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mainAxisAlignment: MainAxisAlignment.center, |
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children: new List<Widget>() |
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return new Column( |
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children: new List<Widget>() |
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{ |
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new Expanded(child: |
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new Container( |
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child: |
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StaggeredGridView.count( |
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crossAxisCount: count, |
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staggeredTiles: _staggeredTiles, |
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mainAxisSpacing: 3, |
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crossAxisSpacing: 3, |
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padding: EdgeInsets.all(4), |
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children: _tiles |
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) |
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)), |
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new Slider( |
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activeColor: Colors.blue, |
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inactiveColor: Colors.white, |
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value: count, |
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min: 2, |
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max: 8, |
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divisions: 6, |
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label: count.ToString(), |
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onChanged: v => |
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{ |
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int newCount = (int) v; |
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if (newCount != count) |
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{ |
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setState(() => { count = newCount; }); |
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} |
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} |
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), |
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new Slider( |
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activeColor: Colors.blue, |
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inactiveColor: Colors.white, |
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value: tileCount, |
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min: 0, |
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max: 20, |
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divisions: 20, |
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label: tileCount.ToString(), |
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onChanged: v => |
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{ |
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int newCount = (int) v; |
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if (newCount != tileCount) |
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new Expanded( |
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child: |
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new MaterialButton( |
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color: Colors.amber, |
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child: new Text("Expand Column", style: new TextStyle(fontSize: 10)), |
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onPressed: () => { setState(() => { count++; }); }) |
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), |
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new Expanded(child: |
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new MaterialButton( |
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color: Colors.blue, |
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child: new Text("Shrink Column", style: new TextStyle(fontSize: 10)), |
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onPressed: () => { setState(() => { count--; }); }) |
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), |
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new Expanded(child: |
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new MaterialButton( |
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color: Colors.green, |
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child: new Text("Remove Tile", style: new TextStyle(fontSize: 10)), |
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onPressed: () => |
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{ |
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if (!_tiles.isEmpty()) |
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{ |
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setState(() => |
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{ |
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_tiles.RemoveAt(0); |
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_staggeredTiles.RemoveAt(0); |
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}); |
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} |
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}) |
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), |
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new Expanded(child: |
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new MaterialButton( |
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color: Colors.pink, |
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child: new Text("Add Tile", style: new TextStyle(fontSize: 10)), |
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onPressed: () => |
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{ |
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setState(() => |
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{ |
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_tiles.Add( |
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new LottieTile( |
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Utils.colors.RandomSelect(), |
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Utils.lotties.RandomSelect() |
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) |
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); |
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_staggeredTiles.Add( |
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StaggeredTile.count( |
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Utils.random.Next(2) + 1, |
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Utils.random.Next(2) + 1) |
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); |
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}); |
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}) |
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), |
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setState(() => |
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{ |
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tileCount = newCount; |
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UpdateTiles(); |
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}); |
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) |
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} |
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} |
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), |
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} |
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); |
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} |
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} |
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internal class ImageTile : StatefulWidget |
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{ |
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internal ImageTile(Color backgroundColor, string path) |
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{ |
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this.backgroundColor = backgroundColor; |
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this.path = path; |
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} |
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public readonly Color backgroundColor; |
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public readonly string path; |
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public override State createState() |
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{ |
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return new ImageTileState(); |
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} |
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} |
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internal class ImageTileState : State<ImageTile> |
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{ |
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public override Widget build(BuildContext context) |
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{ |
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return new Card( |
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color: widget.backgroundColor, |
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child: new InkWell( |
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onTap: () => { }, |
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child: Image.network( |
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widget.path, |
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fit: BoxFit.cover |
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) |
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) |
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); |
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} |
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public readonly Color backgroundColor; |
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public readonly string path; |
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public override State createState() |
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{ |
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siyao
3 年前