Avoid Range error when no BT adapter is available, e.g. when running …

…on emulator (pauldemarco#431) Signed-off-by: Bernhard Bender <ber.droid@googlemail.com>
DreamLCM · Apr 2, 2020 · 64893c4 · 64893c4
1 parent cc65e15
commit 64893c4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -51,7 +51,7 @@ class BluetoothOffScreen extends StatelessWidget {
               color: Colors.white54,
             ),
             Text(
-              'Bluetooth Adapter is ${state.toString().substring(15)}.',
+              'Bluetooth Adapter is ${state != null ? state.toString().substring(15): 'not available'}.',
               style: Theme.of(context)
                   .primaryTextTheme
                   .subhead