remove null check on ios and update bundle id

packages/path-provider/example/ios/Runner.xcodeproj/project.pbxproj

@@ -437,7 +437,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.pathProviderExample;
+				PRODUCT_BUNDLE_IDENTIFIER = io.flutter.plugins.pathProviderExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Debug;
@@ -459,7 +459,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.pathProviderExample;
+				PRODUCT_BUNDLE_IDENTIFIER = io.flutter.plugins.pathProviderExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Release;

packages/path-provider/ios/Classes/PathProviderPlugin.m

@@ -23,23 +23,9 @@ - (instancetype)initWithController:(FlutterViewController *)controller {
     [channel setMethodCallHandler:^(FlutterMethodCall *call,
                                     FlutterResult result) {
       if ([@"getTemporaryDirectory" isEqualToString:call.method]) {
-        NSString* dirPath = [self getTemporaryDirectory];
-        if (dirPath) {
-          result(dirPath);
-        } else {
-          result([FlutterError errorWithCode:@"ERROR"
-                                     message:@"Could not find temp dir"
-                                     details:nil]);
-        }
+        result([self getTemporaryDirectory]);
       } else if ([@"getApplicationDocumentsDirectory" isEqualToString:call.method]) {
-        NSString* dirPath = [self getApplicationDocumentsDirectory];
-        if (dirPath) {
-          result(dirPath);
-        } else {
-          result([FlutterError errorWithCode:@"ERROR"
-                                     message:@"Could not find app documents dir"
-                                     details:nil]);
-        }
+        result([self getApplicationDocumentsDirectory]);
       } else {
         result(FlutterMethodNotImplemented);
       }