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bfeher/BFPaperButton: iOS Buttons inspired by Google's Paper Material Design ...

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称(OpenSource Name):

bfeher/BFPaperButton

开源软件地址(OpenSource Url):

https://github.com/bfeher/BFPaperButton

开源编程语言(OpenSource Language):

Objective-C 98.8%

开源软件介绍(OpenSource Introduction):

BFPaperButton

CocoaPods

A flat button inspired by Google Material Design's Paper theme.

Animated Screenshot

About

Now with smoother animations and more public properties for even easier customization!

BFPaperButton is a subclass of UIButton that behaves much like the new paper buttons from Google's Material Design Labs. All animation are asynchronous and are performed on sublayers. BFPaperButtons work right away with pleasing default behaviors, however they can be easily customized! The corner radius, tap-circle color, background fade color, and tap-circle diameter are all readily customizable via public properties.

BFPaperButtons come in 2 flavors, Flat or Raised. Flat BFPaperButtons have no shadow and will remain flat through all animations. Flat buttons can be transparent, in which case the background will also fade a little when tapped. Raised BFPaperButtons have a drop shadow that animates along with a tap, giving it the feeling of raising up with your touch. Raised BFPaperButtons do not look good with a clear background color since it will expose their shadow layer underneath.

By default, BFPaperButtons use "Smart Color" which will match the tap-circle and background fade colors to the color of the titleLabel. You can turn off Smart Color by setting the property, .usesSmartColor to NO. If you disable Smart Color, a gray color will be used by default for both the tap-circle and the background color fade. You can set your own colors via: .tapCircleColor and .backgroundFadeColor. Note that setting these disables Smart Color.

Note that setting the button type to Custom in the Storyboard is required to prevent the title from fading out on UIControlStateHighlighted.

Properties

UIColor *shadowColor

The UIColor for the shadow of a raised button. An alpha value of 1 is recommended as shadowOpacity overwrites the alpha of this color.

CGFloat loweredShadowOpacity

A CGFLoat representing the opacity of the shadow of RAISED buttons when they are lowered (idle). Default is 0.5f.

CGFloat loweredShadowRadius

A CGFLoat representing the radius of the shadow of RAISED buttons when they are lowered (idle). Default is 1.5f.

CGSize loweredShadowOffset

A CGSize representing the offset of the shadow of RAISED buttons when they are lowered (idle). Default is (0, 1).

CGFloat liftedShadowOpacity

A CGFLoat representing the opacity of the shadow of RAISED buttons when they are lifted (on touch down). Default is 0.5f.

CGFloat liftedShadowRadius

A CGFLoat representing the radius of the shadow of RAISED buttons when they are lifted (on touch down). Default is 4.5f.

CGSize liftedShadowOffset

A CGSize representing the offset of the shadow of RAISED buttons when they are lifted (on touch down). Default is (2, 4).

CGFloat touchDownAnimationDuration

A CGFLoat representing the duration of the animations which take place on touch DOWN! Default is 0.25f seconds. (Go Steelers)

CGFloat touchUpAnimationDuration

A CGFLoat representing the duration of the animations which take place on touch UP! Default is 2 * touchDownAnimationDuration seconds.

CGFloat tapCircleDiameterStartValue

A CGFLoat representing the diameter of the tap-circle as soon as it spawns, before it grows. Default is 5.f.

CGFloat tapCircleDiameter

The CGFloat value representing the Diameter of the tap-circle. By default it will be the result of MAX(self.frame.width, self.frame.height). tapCircleDiameterFull will calculate a circle that always fills the entire view. Any value less than or equal to tapCircleDiameterFull will result in default being used. The constants: tapCircleDiameterLarge, tapCircleDiameterMedium, and tapCircleDiameterSmall are also available for use. */

CGFloat tapCircleBurstAmount

The CGFloat value representing how much we should increase the diameter of the tap-circle by when we burst it. Default is 100.f.

CGFloat cornerRadius

The corner radius which propagates through to the sub layers. Default is 0.

UIColor *tapCircleColor

The UIColor to use for the circle which appears where you tap. NOTE: Setting this defeats the "Smart Color" ability of the tap circle. Alpha values less than 1 are recommended.

UIColor *backgroundFadeColor

The UIColor to fade clear backgrounds to. NOTE: Setting this defeats the "Smart Color" ability of the background fade. Alpha values less than 1 are recommended.

BOOL rippleFromTapLocation

A flag to set to YES to have the tap-circle ripple from point of touch. If this is set to NO, the tap-circle will always ripple from the center of the view. Default is YES.

BOOL rippleBeyondBounds

A flag to set to YES to have the tap-circle ripple beyond the bounds of the view. If this is set to NO, the tap-circle will be clipped to the view's bounds. Default is NO.

BOOL isRaised

A flag to set to YES to CHANGE a flat view to raised, or set to NO to CHANGE a raised view to flat. If you used one of the provided custom initializers, you should probably leave this parameter alone. If you instantiated via storyboard or IB and want to CHANGE from riased to flat, this is the parameter for you! Default is YES.

BOOL usesSmartColor

A flag to set YES to use Smart Color, or NO to use a custom color scheme. While Smart Color is the default (usesSmartColor = YES), customization is cool too.

Notes on RAISED vs FLAT and SMART COLOR vs NON SMART COLOR:

RAISED

Has a shadow, so a clear background will look silly. It has only a tap-circle color. No background-fade.

FLAT

Has no shadow, therefore clear backgrounds look fine. If the background is clear, it also has a background-fade color to help visualize the button and its frame.

SMART COLOR

Will use the titleLabel's font color to pick a tap circle color and, if the background is clear, will also pick a lighter background fade color.

NON SMART COLOR

Will use a translucent gray tap-circle and, if the background is clear, a lighter translucent gray background-fade color.

Usage

Add the BFPaperButton header and implementation file to your project. (.h & .m)

Creating a Flat BFPaperButton

BFPaperButton *flatPaperButton = [[BFPaperButton alloc] initWithFrame:rect raised:NO];

Creating a Raised BFPaperButton

BFPaperButton *raisedPaperButton = [[BFPaperButton alloc] initWithFrame:rect raised:YES];

Working Example

(Taken directly from example project.)

BFPaperButton *bfFlatSmart = [[BFPaperButton alloc] initWithFrame:CGRectMake(20, 20, 280, 43) raised:NO];
[bfFlatSmart setTitle:@"BFPaperButton Flat: Smart Color" forState:UIControlStateNormal];
bfFlatSmart.backgroundColor = [UIColor paperColorGray600];	// You can find this from my other library, BFPaperColors :)
[bfFlatSmart setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[bfFlatSmart setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
[bfFlatSmart addTarget:self action:@selector(buttonWasPressed:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:bfFlatSmart];

Customized Example

(Taken directly from example project.)

BFPaperButton *circle2 = [[BFPaperButton alloc] initWithFrame:CGRectMake(116, 468, 86, 86) raised:YES];
[circle2 setTitle:@"Custom" forState:UIControlStateNormal];
[circle2 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[circle2 setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
[circle2 addTarget:self action:@selector(buttonWasPressed:) forControlEvents:UIControlEventTouchUpInside];
circle2.backgroundColor = [UIColor colorWithRed:0.3 green:0 blue:1 alpha:1];
circle2.tapCircleColor = [UIColor colorWithRed:1 green:0 blue:1 alpha:0.6];  // Setting this color overrides "Smart Color".
circle2.cornerRadius = circle2.frame.size.width / 2;
circle2.rippleFromTapLocation = NO;
circle2.rippleBeyondBounds = YES;
circle2.tapCircleDiameter = MAX(circle2.frame.size.width, circle2.frame.size.height) * 1.3;
[self.view addSubview:circle2];

CocoaPods

CocoaPods are the best way to manage library dependencies in Objective-C projects. Learn more at http://cocoapods.org

Add this to your podfile to add BFPaperButton to your project.

platform :ios, '7.0'
pod 'BFPaperButton'

License

BFPaperButton uses the MIT License:

Please see included LICENSE file.




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