回答編集履歴
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情報の追加
test
CHANGED
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@@ -9,3 +9,65 @@
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flutter fixed bottom navigation barで調べたらたくさん出てくると思います。
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またgetXなど状態管理のライブラリを使っても書くことができます。
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getXを使ったbottomnavigationbarの例
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home.dart
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```dart
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stl
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final NavController _navController = Get.put(NavController());
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bottomNavigationBar: GetBuilder<NavController>(builder: (_)
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=>BottomNavigationBar(
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items: [
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BottomNavigationBarItem(icon: Icon(Icons.home), label: "ホーム"),
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BottomNavigationBarItem(icon: Icon(Icons.web), label: "ウェブ"),
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BottomNavigationBarItem(icon: Icon(Icons.share), label: "シェア"),
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],
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currentIndex: _navController.selectedIndex,
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onTap: _navController.navTap,
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),
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),
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```
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navController.dart
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```dart
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class NavController extends GetxController{
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int selectedIndex = 0;
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void navTap(int value) {
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selectedIndex = value;
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update();
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}
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}
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```
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