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avoid chat window keyboard overlap ios

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Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>
This commit is contained in:
Sahil Yeole 2023-09-04 20:47:45 +05:30
parent 4e359848d1
commit d6c23bb5f3
1 changed files with 52 additions and 17 deletions
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69
flutter/lib/common/widgets/overlay.dart
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@ -16,8 +16,7 @@ class DraggableChatWindow extends StatelessWidget {
this.position = Offset.zero, this.position = Offset.zero,
required this.width, required this.width,
required this.height, required this.height,
required this.chatModel required this.chatModel})
})
: super(key: key); : super(key: key);
final Offset position; final Offset position;
@ -271,7 +270,7 @@ class _DraggableState extends State<Draggable> {
void initState() { void initState() {
super.initState(); super.initState();
_position = widget.position; _position = widget.position;
_chatModel = widget.chatModel??null; _chatModel = widget.chatModel;
} }
void onPanUpdate(DragUpdateDetails d) { void onPanUpdate(DragUpdateDetails d) {
@ -298,7 +297,7 @@ class _DraggableState extends State<Draggable> {
setState(() { setState(() {
_position = Offset(x, y); _position = Offset(x, y);
}); });
_chatModel?.setChatWindowPosition(_position); _chatModel?.setChatWindowPosition(_position);
} }
checkScreenSize() {} checkScreenSize() {}
@ -374,20 +373,56 @@ class IOSDraggable extends StatefulWidget {
_IOSDraggableState createState() => _IOSDraggableState(); _IOSDraggableState createState() => _IOSDraggableState();
} }
class _IOSDraggableState extends State<IOSDraggable> { class _IOSDraggableState extends State<IOSDraggable> with WidgetsBindingObserver {
late Offset _position; late Offset _position;
late ChatModel? _chatModel; late ChatModel? _chatModel;
late double _width; late double _width;
late double _height; late double _height;
bool _keyboardVisible = false;
double _saveHeight = 0;
double _lastBottomHeight = 0;
@override @override
void initState() { void initState() {
super.initState(); super.initState();
_position = widget.position; _position = widget.position;
_chatModel = widget.chatModel??null; _chatModel = widget.chatModel;
_width = widget.width; _width = widget.width;
_height = widget.height; _height = widget.height;
}
WidgetsBinding.instance?.addObserver(this);
}
@override
void dispose() {
WidgetsBinding.instance?.removeObserver(this);
super.dispose();
}
@override
void didChangeMetrics() {
final currentVisible = MediaQuery.of(context).viewInsets.bottom != 0;
if (!_keyboardVisible && currentVisible) {
_saveHeight = _position.dy;
} else if (_lastBottomHeight > 0 && !currentVisible) {
setState(() {
_position = Offset(_position.dx, _saveHeight);
});
} else if (_keyboardVisible && currentVisible) {
final sumHeight = MediaQuery.of(context).viewInsets.bottom + _height;
final contextHeight = MediaQuery.of(context).size.height;
if (sumHeight + _position.dy > contextHeight) {
final y = contextHeight - sumHeight;
setState(() {
_position = Offset(_position.dx, y);
});
}
}
_keyboardVisible = currentVisible;
_lastBottomHeight = MediaQuery.of(context).viewInsets.bottom;
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {