stephsharp · July 28, 2013 23:40 · Jul 28, 2013
diff --git a/LoadingView.h b/LoadingView.h
@@ -0,0 +1,15 @@
+//
+// LoadingView.h
+// Created by Stephanie Sharp on 26/05/13.
+//
+// http://www.sitepoint.com/all-purpose-loading-view-for-ios/
+// http://www.cocoawithlove.com/2009/04/showing-message-over-iphone-keyboard.html
+
+#import <UIKit/UIKit.h>
+
+@interface LoadingView : UIView
+
++(LoadingView *)loadingViewInView:(UIView *)superView;
+-(void)removeView;
+
+@end
diff --git a/LoadingView.m b/LoadingView.m
@@ -0,0 +1,79 @@
+//
+// LoadingView.m
+// Created by Stephanie Sharp on 26/05/13.
+//
+
+#import "LoadingView.h"
+#import <QuartzCore/QuartzCore.h>
+
+@implementation LoadingView
+
+- (id)initWithFrame:(CGRect)frame
+{
+ self = [super initWithFrame:frame];
+ if (self) {
+ // Initialization code
+ }
+ return self;
+}
+
+#pragma mark - Class methods
+
++(LoadingView *)loadingViewInView:(UIView *)superView
+{
+ // Create a new view with the same frame size as the superView
+LoadingView * loadingView = [[LoadingView alloc] initWithFrame:superView.bounds];
+
+// If something's gone wrong, abort!
+if(!loadingView)
+ return nil;
+
+ loadingView.opaque = NO;
+
+ // Create background view and add as subview
+ UIView * background = [[UIView alloc] initWithFrame:loadingView.frame];
+ loadingView.backgroundColor = [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.5f];
+ [loadingView addSubview:background];
+
+ // Add activity indicator
+ UIActivityIndicatorView * indicator = [[UIActivityIndicatorView alloc]
+ initWithActivityIndicatorStyle: UIActivityIndicatorViewStyleWhiteLarge];
+
+ // Set the resizing mask so it's not stretched
+ indicator.autoresizingMask = UIViewAutoresizingFlexibleTopMargin |
+ UIViewAutoresizingFlexibleRightMargin |
+ UIViewAutoresizingFlexibleBottomMargin |
+ UIViewAutoresizingFlexibleLeftMargin;
+
+// Place it in the middle of the view
+ indicator.center = superView.center;
+
+// Add it into the loadingView
+ [loadingView addSubview:indicator];
+
+// Start it animating
+[indicator startAnimating];
+
+// Add the loading view to the superView.
+[superView addSubview:loadingView];
+
+ // Create a new fade animation & add to superview
+ CATransition * animation = [CATransition animation];
+[animation setType:kCATransitionFade];
+[[superView layer] addAnimation:animation forKey:@"layerAnimation"];
+
+return loadingView;
+}
+
+#pragma mark
+
+-(void)removeView
+{
+ CATransition * animation = [CATransition animation];
+[animation setType:kCATransitionFade];
+[[[self superview] layer] addAnimation:animation forKey:@"layerAnimation"];
+
+[super removeFromSuperview];
+}
+
+@end