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added how to create CustomLoadMoreDelegate for devs in the readme #43

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added how to create CustomLoadMoreDelegate for devs in the readme #43

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76 changes: 76 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,82 @@ abstract class LoadMoreDelegate {
}
```

create your CustomLoadMoreDelegate:

```dart
class CustomLoadMoreDelegate extends LoadMoreDelegate {
const CustomLoadMoreDelegate();

@override
Widget buildChild(LoadMoreStatus status,
{LoadMoreTextBuilder builder = DefaultLoadMoreTextBuilder.english}) {
String text = builder(status);
if (status == LoadMoreStatus.fail) {
return Text(
'Failed to load data',
style: TextStyle(
color: Colors.red,
fontSize: 16.0
),
);
}
if (status == LoadMoreStatus.idle) {
return Text(
'Idle',
style: TextStyle(
color: Colors.blue,
fontSize: 16.0
),
);
}
if (status == LoadMoreStatus.loading) {
return Container(
alignment: Alignment.center,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
SizedBox(
width: 20.0,
height: 20.0,
child: const CircularProgressIndicator(
backgroundColor: Colors.green,
),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
'Loading....',
style: TextStyle(
color: Colors.blue,
fontSize: 16.0
),
)
),
],
),
);
}
if (status == LoadMoreStatus.nomore) {
return Text(
'No more data fetched',
style: TextStyle(
color: Colors.blue,
fontSize: 16.0
),
);
}

return Text(
text,
style: TextStyle(
color: Colors.blue,
fontSize: 16.0
),
);
}
}
```

## other

homePage: https://github.com/CaiJingLong/flutter_listview_loadmore
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