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Many many changes for null-safety support

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This commit is contained in:
Oliver
2021-07-09 23:56:38 +10:00
parent 2988716bf3
commit d3eec6a79e
30 changed files with 563 additions and 456 deletions
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22
lib/widget/refreshable_state.dart
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@ -11,7 +11,7 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
final refreshableKey = GlobalKey<ScaffoldState>();
// Storage for context once "Build" is called
BuildContext context;
BuildContext? _context;
// Current tab index (used for widgets which display bottom tabs)
int tabIndex = 0;
@ -36,7 +36,7 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) => onBuild(context));
WidgetsBinding.instance?.addPostFrameCallback((_) => onBuild(_context!));
}
// Function called after the widget is first build
@ -45,7 +45,7 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
}
// Function to request data for this page
Future<void> request(BuildContext context) async {
Future<void> request() async {
return;
}
@ -55,7 +55,7 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
loading = true;
});
await request(context);
await request();
setState(() {
loading = false;
@ -77,14 +77,16 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
// Function to construct a body (MUST BE PROVIDED)
Widget getBody(BuildContext context) {
// Default return is an empty ListView
return ListView();
}
Widget? getBottomNavBar(BuildContext context) {
return null;
}
Widget getBottomNavBar(BuildContext context) {
return null;
}
Widget getFab(BuildContext context) {
Widget? getFab(BuildContext context) {
return null;
}
@ -92,7 +94,7 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
Widget build(BuildContext context) {
// Save the context for future use
this.context = context;
_context = context;
return Scaffold(
key: refreshableKey,