Update progressView center using autolayout (thiagoperes#224)

kiancheong · Aug 27, 2018 · 47b2e05 · 47b2e05
1 parent d4ffb28
commit 47b2e05
Showing 1 changed file with 10 additions and 11 deletions.
diff --git a/Classes/IDMZoomingScrollView.m b/Classes/IDMZoomingScrollView.m
@@ -59,25 +59,24 @@ - (id)initWithPhotoBrowser:(IDMPhotoBrowser *)browser {
             [_photoImageView addInteraction:drag];
         }
 
-        CGRect screenBound = [[UIScreen mainScreen] bounds];
-        CGFloat screenWidth = screenBound.size.width;
-        CGFloat screenHeight = screenBound.size.height;
-
-        if ([[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationLandscapeLeft || [[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationLandscapeRight) {
-            screenWidth = screenBound.size.height;
-            screenHeight = screenBound.size.width;
-        }
-
         // Progress view
-        _progressView = [[DACircularProgressView alloc] initWithFrame:CGRectMake((screenWidth-35.)/2., (screenHeight-35.)/2, 35.0f, 35.0f)];
+        _progressView = [[DACircularProgressView alloc] initWithFrame:CGRectZero];
+		_progressView.translatesAutoresizingMaskIntoConstraints = NO;
         [_progressView setProgress:0.0f];
         _progressView.tag = 101;
         _progressView.thicknessRatio = 0.1;
         _progressView.roundedCorners = NO;
         _progressView.trackTintColor    = browser.trackTintColor    ? self.photoBrowser.trackTintColor    : [UIColor colorWithWhite:0.2 alpha:1];
         _progressView.progressTintColor = browser.progressTintColor ? self.photoBrowser.progressTintColor : [UIColor colorWithWhite:1.0 alpha:1];
         [self addSubview:_progressView];
-
+
+		[_progressView addConstraint:[NSLayoutConstraint constraintWithItem:_progressView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:35]];
+		[_progressView addConstraint:[NSLayoutConstraint constraintWithItem:_progressView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:35]];
+
+		[self addConstraint:[NSLayoutConstraint constraintWithItem:_progressView attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0.0]];
+		[self addConstraint:[NSLayoutConstraint constraintWithItem:_progressView attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeCenterY multiplier:1.0 constant:0.0]];
+
+
 		// Setup
 		self.backgroundColor = [UIColor clearColor];
 		self.delegate = self;