Add exception handling (#8528)

55e10a66 · Michael Thomsen · GitHub · c9644a49 · 55e10a66
Commit 55e10a66 authored Mar 02, 2017 by Michael Thomsen Committed by GitHub Mar 02, 2017
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main.dart examples/platform_services/lib/main.dart +8 -2

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--- a/examples/platform_services/lib/main.dart
+++ b/examples/platform_services/lib/main.dart
@@ -17,10 +17,16 @@ class _PlatformServicesState extends State<PlatformServices> {
  String _location = 'Unknown location.';

  Future<Null> _getLocation() async {
+    String location;
+    try {
      List<double> result = await platform.invokeMethod('getLocation', 'network');
+      location = 'Latitude ${result[0]}, Longitude ${result[1]}.';
+    } on PlatformException catch (e) {
+      location = "Failed to get location: '${e.message}'.";
+    }

    setState(() {
-      _location = 'Latitude ${result[0]}, Longitude ${result[1]}.';
+      _location = location;
    });
  }