48 lines
1.1 KiB
Dart
48 lines
1.1 KiB
Dart
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import 'package:flutter/material.dart';
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import '../db/database.dart';
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class SettingsScreen extends StatefulWidget {
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const SettingsScreen({Key? key}) : super(key: key);
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@override
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State<SettingsScreen> createState() => _SettingsScreenState();
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}
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class _SettingsScreenState extends State<SettingsScreen> {
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int dbsize = 0;
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@override
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void initState() {
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super.initState();
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loadDBSize();
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}
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void loadDBSize() async {
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final int cnt = (await Db().db().rawQuery("pragma page_count;"))[0]
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["page_count"] as int;
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final int pagesize =
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(await Db().db().rawQuery("pragma page_size;"))[0]["page_size"] as int;
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setState(() {
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dbsize = cnt * pagesize;
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});
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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ElevatedButton(
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onPressed: () async {
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await Db().db().delete("previews");
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// shrink the db file size
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await Db().db().execute("VACUUM");
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loadDBSize();
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},
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child: const Text("Delete cache!")),
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Text("db size: ${dbsize / 1024} kb")
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],
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);
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}
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}
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