Merge pull request #155 from henninghall/bugfix-ios-minute-interval

Bugfix: iOS minute interval not working in time mode

ios/RNDatePicker/DatePicker.m

@@ -13,6 +13,7 @@
 @interface DatePicker ()
 
 @property (nonatomic, copy) RCTBubblingEventBlock onChange;
+@property (nonatomic, assign) NSInteger reactMinuteInterval;
 
 @end
 
@@ -53,6 +54,7 @@
         if(@available(iOS 13, *)) {
             self.overrideUserInterfaceStyle = UIUserInterfaceStyleLight;
         }
+         _reactMinuteInterval = 1;
     }
     return self;
 }
@@ -113,5 +115,19 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
     }
 }
 
+- (void)setDatePickerMode:(UIDatePickerMode)datePickerMode
+{
+  [super setDatePickerMode:datePickerMode];
+  // We need to set minuteInterval after setting datePickerMode, otherwise minuteInterval is invalid in time mode.
+  self.minuteInterval = _reactMinuteInterval;
+}
+
+- (void)setMinuteInterval:(NSInteger)minuteInterval
+{
+  [super setMinuteInterval:minuteInterval];
+  _reactMinuteInterval = minuteInterval;
+}
+
+
 @end