Make functions more generic, add tests, reformat code.

ios/Classes/FlutterBeaconPlugin.m

@@ -217,6 +217,20 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
         result(@(YES));
         return;
     }
+
+    if ([@"setScanPeriod" isEqualToString:call.method]) {
+        // do nothing
+
+        result(@(YES));
+        return;
+    }
+
+    if ([@"setBetweenScanPeriod" isEqualToString:call.method]) {
+        // do nothing
+
+        result(@(YES));
+        return;
+    }
 
     if ([@"openApplicationSettings" isEqualToString:call.method]) {
         [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];

lib/flutter_beacon.dart

@@ -55,7 +55,6 @@ class FlutterBeacon {
   /// This information does not change from call to call. Cache it.
   Stream<AuthorizationStatus>? _onAuthorizationStatus;
 
-
   /// Initialize scanning API.
   Future<bool> get initializeScanning async {
     final result = await _methodChannel.invokeMethod('initialize');
@@ -180,15 +179,15 @@ class FlutterBeacon {
   }
 
   /// Customize duration of the beacon scan on the Android Platform.
-  Future<bool> setAndroidScanPeriod(int scanPeriod) async {
+  Future<bool> setScanPeriod(int scanPeriod) async {
     return await _methodChannel
         .invokeMethod('setScanPeriod', {"scanPeriod": scanPeriod});
   }
 
   /// Customize duration spent not scanning between each scan cycle on the Android Platform.
-  Future<bool> setAndroidBetweenScanPeriod(int scanPeriod) async {
-    return await _methodChannel
-        .invokeMethod('setBetweenScanPeriod', {"betweenScanPeriod": scanPeriod});
+  Future<bool> setBetweenScanPeriod(int scanPeriod) async {
+    return await _methodChannel.invokeMethod(
+        'setBetweenScanPeriod', {"betweenScanPeriod": scanPeriod});
   }
 
   /// Close scanning API.

test/flutter_beacon_test.dart

@@ -66,6 +66,14 @@ void main() {
         return true;
       }
 
+      if (method == 'setScanPeriod') {
+        return true;
+      }
+
+      if (method == 'setBetweenScanPeriod') {
+        return true;
+      }
+
       throw MissingPluginException(
           'No implementation found for method $method on channel ${channel.name}');
     });
@@ -263,6 +271,20 @@ void main() {
         true,
       );
     });
+
+    test('SetScanPeriod return "true"', () async {
+      expect(
+        await flutterBeacon.setScanPeriod(1000),
+        true,
+      );
+    });
+
+    test('SetBetweenScanPeriod return "true"', () async {
+      expect(
+        await flutterBeacon.setBetweenScanPeriod(400),
+        true,
+      );
+    });
   });
 
   group('Event channel - ranging', () {