Added ProgressViewIOS

React/Views/RCTProgressViewManager.m

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import "RCTProgressViewManager.h"
+
+#import "RCTConvert.h"
+
+@implementation RCTConvert (RCTProgressViewManager)
+
+RCT_ENUM_CONVERTER(UIProgressViewStyle, (@{
+  @"default": @(UIProgressViewStyleDefault),
+  @"bar": @(UIProgressViewStyleBar),
+}), UIProgressViewStyleDefault, integerValue)
+
+@end
+
+@implementation RCTProgressViewManager
+
+RCT_EXPORT_MODULE()
+
+- (UIView *)view
+{
+  return [[UIProgressView alloc] init];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(progressViewStyle, UIProgressViewStyle)
+RCT_EXPORT_VIEW_PROPERTY(progress, float)
+RCT_EXPORT_VIEW_PROPERTY(progressTintColor, UIColor)
+RCT_EXPORT_VIEW_PROPERTY(trackTintColor, UIColor)
+RCT_EXPORT_VIEW_PROPERTY(progressImage, UIImage)
+RCT_EXPORT_VIEW_PROPERTY(trackImage, UIImage)
+
+- (NSDictionary *)constantsToExport
+{
+  UIProgressView *view = [[UIProgressView alloc] init];
+  return @{
+    @"ComponentHeight": @(view.intrinsicContentSize.height),
+  };
+}
+
+@end