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27 lines
481 B
Dart
27 lines
481 B
Dart
import 'package:flutter/material.dart';
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/// Scroll watcher
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///
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/// @author Pierre HUBERT
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typedef OnReachBottomCallback = void Function();
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class ScrollWatcher extends ScrollController {
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// Callbacks
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OnReachBottomCallback onReachBottom;
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ScrollWatcher({this.onReachBottom}) {
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addListener(_updatePosition);
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}
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void _updatePosition() {
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// Refresh bottom position
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if(position.pixels.floor() == position.maxScrollExtent.floor())
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onReachBottom();
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}
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} |