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Authored by Jonas Budelmann
Commit 664be4b654a1adeee6cd17656c8059da4b1bf94f 1 parent 35305fd2

UIScrollView example

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Showing 4 changed files with 94 additions and 0 deletions
... ... @@ -20,6 +20,7 @@
DD52F254179CADC0005CD195 /* MASExampleSidesView.m in Sources */ = {isa = PBXBuildFile; fileRef = DD52F24E179CADC0005CD195 /* MASExampleSidesView.m */; };
DD52F255179CADC0005CD195 /* MASExampleViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = DD52F250179CADC0005CD195 /* MASExampleViewController.m */; };
DD7CC17617ACE990007A469E /* MASExampleDebuggingView.m in Sources */ = {isa = PBXBuildFile; fileRef = DD7CC17517ACE990007A469E /* MASExampleDebuggingView.m */; };
DD9B4D35183CC980002BF408 /* MASExampleScrollView.m in Sources */ = {isa = PBXBuildFile; fileRef = DD9B4D34183CC980002BF408 /* MASExampleScrollView.m */; };
DDA5755F17C1B07E0010F88E /* MASCompositeConstraint.m in Sources */ = {isa = PBXBuildFile; fileRef = DDA5754D17C1B07E0010F88E /* MASCompositeConstraint.m */; };
DDA5756017C1B07E0010F88E /* MASConstraintMaker.m in Sources */ = {isa = PBXBuildFile; fileRef = DDA5755017C1B07E0010F88E /* MASConstraintMaker.m */; };
DDA5756117C1B07E0010F88E /* MASLayoutConstraint.m in Sources */ = {isa = PBXBuildFile; fileRef = DDA5755217C1B07E0010F88E /* MASLayoutConstraint.m */; };
... ... @@ -56,6 +57,8 @@
DD52F250179CADC0005CD195 /* MASExampleViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleViewController.m; sourceTree = "<group>"; };
DD7CC17417ACE990007A469E /* MASExampleDebuggingView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASExampleDebuggingView.h; sourceTree = "<group>"; };
DD7CC17517ACE990007A469E /* MASExampleDebuggingView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleDebuggingView.m; sourceTree = "<group>"; };
DD9B4D33183CC980002BF408 /* MASExampleScrollView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASExampleScrollView.h; sourceTree = "<group>"; };
DD9B4D34183CC980002BF408 /* MASExampleScrollView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleScrollView.m; sourceTree = "<group>"; };
DDA5754C17C1B07E0010F88E /* MASCompositeConstraint.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASCompositeConstraint.h; sourceTree = "<group>"; };
DDA5754D17C1B07E0010F88E /* MASCompositeConstraint.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASCompositeConstraint.m; sourceTree = "<group>"; };
DDA5754E17C1B07E0010F88E /* MASConstraint.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASConstraint.h; sourceTree = "<group>"; };
... ... @@ -162,6 +165,8 @@
DDDF60CB181915E300BF7B8B /* MASExampleLabelView.m */,
DD175E68182639FB0099129A /* MASExampleUpdateView.h */,
DD175E69182639FB0099129A /* MASExampleUpdateView.m */,
DD9B4D33183CC980002BF408 /* MASExampleScrollView.h */,
DD9B4D34183CC980002BF408 /* MASExampleScrollView.m */,
);
name = Views;
sourceTree = "<group>";
... ... @@ -284,6 +289,7 @@
DDA5756317C1B07E0010F88E /* MASViewConstraint.m in Sources */,
DDA5756417C1B07E0010F88E /* NSLayoutConstraint+MASDebugAdditions.m in Sources */,
DDA5756517C1B07E0010F88E /* View+MASAdditions.m in Sources */,
DD9B4D35183CC980002BF408 /* MASExampleScrollView.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
... ...
... ... @@ -15,6 +15,7 @@
#import "MASExampleDebuggingView.h"
#import "MASExampleLabelView.h"
#import "MASExampleUpdateView.h"
#import "MASExampleScrollView.h"
static NSString * const kMASCellReuseIdentifier = @"kMASCellReuseIdentifier";
... ... @@ -47,6 +48,8 @@ static NSString * const kMASCellReuseIdentifier = @"kMASCellReuseIdentifier";
viewClass:MASExampleDebuggingView.class],
[[MASExampleViewController alloc] initWithTitle:@"Bacony Labels"
viewClass:MASExampleLabelView.class],
[[MASExampleViewController alloc] initWithTitle:@"UIScrollView"
viewClass:MASExampleScrollView.class],
];
return self;
... ...
//
// MASExampleScrollView.h
// Masonry iOS Examples
//
// Created by Jonas Budelmann on 20/11/13.
// Copyright (c) 2013 Jonas Budelmann. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface MASExampleScrollView : UIView
@end
... ...
//
// MASExampleScrollView.m
// Masonry iOS Examples
//
// Created by Jonas Budelmann on 20/11/13.
// Copyright (c) 2013 Jonas Budelmann. All rights reserved.
//
#import "MASExampleScrollView.h"
/**
* UIScrollView and Auto Layout don't play very nicely together see
* https://developer.apple.com/library/ios/technotes/tn2154/_index.html
*
* This is an example of one workaround
*
* for another approach see https://github.com/bizz84/MVScrollViewAutoLayout
*/
@implementation MASExampleScrollView
- (id)init {
self = [super init];
if (!self) return nil;
UIScrollView *scrollView = UIScrollView.new;
scrollView.backgroundColor = [UIColor grayColor];
[self addSubview:scrollView];
[scrollView makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self);
}];
UIView *lastView;
CGFloat height = 20;
for (int i = 0; i < 10; i++) {
UIView *view = UIView.new;
view.backgroundColor = [self randomColor];
[scrollView addSubview:view];
[view mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(lastView ? lastView.bottom : @0);
make.left.equalTo(@0);
make.width.equalTo(scrollView.width);
make.height.equalTo(@(height));
}];
height += 20;
lastView = view;
}
// dummy view, which determines the contentSize of scroll view
UIView *sizingView = UIView.new;
[scrollView addSubview:sizingView];
[sizingView makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(lastView.bottom);
make.bottom.equalTo(scrollView.bottom);
}];
return self;
}
- (UIColor *)randomColor {
CGFloat hue = ( arc4random() % 256 / 256.0 ); // 0.0 to 1.0
CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5; // 0.5 to 1.0, away from white
CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5; // 0.5 to 1.0, away from black
return [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1];
}
@end
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