[path_provider] Log errors in the linux example (#3146)

Author: jiahaog

packages/path_provider/path_provider_linux/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.1.1+2
+
+* Log errors in the example when calls to the `path_provider` fail.
+
 ## 0.1.1+1
 
 * Check in linux/ directory for example/
@@ -19,4 +23,3 @@
 ## 0.0.1
 * The initial implementation of path_provider for Linux
   * Implements getApplicationSupportPath, getApplicationDocumentsPath, getDownloadsPath, and getTemporaryPath
-

packages/path_provider/path_provider_linux/example/lib/main.dart

@@ -35,25 +35,29 @@ class _MyAppState extends State<MyApp> {
     // Platform messages may fail, so we use a try/catch PlatformException.
     try {
       tempDirectory = (await getTemporaryDirectory()).path;
-    } on PlatformException {
+    } on PlatformException catch (e, stackTrace) {
       tempDirectory = 'Failed to get temp directory.';
+      print('$tempDirectory $e $stackTrace');
     }
     try {
       downloadsDirectory = (await getDownloadsDirectory()).path;
-    } on PlatformException {
+    } on PlatformException catch (e, stackTrace) {
       downloadsDirectory = 'Failed to get downloads directory.';
+      print('$downloadsDirectory $e $stackTrace');
     }
 
     try {
       documentsDirectory = (await getApplicationDocumentsDirectory()).path;
-    } on PlatformException {
+    } on PlatformException catch (e, stackTrace) {
       documentsDirectory = 'Failed to get documents directory.';
+      print('$documentsDirectory $e $stackTrace');
     }
 
     try {
       appSupportDirectory = (await getApplicationSupportDirectory()).path;
-    } on PlatformException {
+    } on PlatformException catch (e, stackTrace) {
       appSupportDirectory = 'Failed to get documents directory.';
+      print('$appSupportDirectory $e $stackTrace');
     }
     // If the widget was removed from the tree while the asynchronous platform
     // message was in flight, we want to discard the reply rather than calling

packages/path_provider/path_provider_linux/pubspec.yaml

@@ -1,6 +1,6 @@
 name: path_provider_linux
 description: linux implementation of the path_provider plugin
-version: 0.1.1+1
+version: 0.1.1+2
 homepage: https://github.com/flutter/plugins/tree/master/packages/path_provider/path_provider_linux
 
 flutter: