updated pulse animations to a higher accuracy in the Material Design spec

Examples/Programmatic/MaterialButton/MaterialButton.xcodeproj/project.pbxproj

@@ -7,6 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		9658F1F91CD6AA4900B902C1 /* Material.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9658F1F81CD6AA4900B902C1 /* Material.framework */; };
+		9658F1FA1CD6AA4900B902C1 /* Material.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9658F1F81CD6AA4900B902C1 /* Material.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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 		965E8E741C14A4950035A270 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 965E8E731C14A4950035A270 /* ViewController.swift */; };
 		965E8E791C14A4950035A270 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 965E8E781C14A4950035A270 /* Assets.xcassets */; };
@@ -20,6 +22,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
+				9658F1FA1CD6AA4900B902C1 /* Material.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -27,6 +30,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		9658F1F81CD6AA4900B902C1 /* Material.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; name = Material.framework; path = "/Users/danieldahan/Library/Developer/Xcode/DerivedData/Material-bshwisidfobstlbomegqyybbrygh/Build/Products/Debug-iphoneos/Material.framework"; sourceTree = "<absolute>"; };
 		965E8E6E1C14A4950035A270 /* MaterialButton.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = MaterialButton.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		965E8E711C14A4950035A270 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		965E8E731C14A4950035A270 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
@@ -40,6 +44,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				9658F1F91CD6AA4900B902C1 /* Material.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -49,6 +54,7 @@
 		965E8E651C14A4950035A270 = {
 			isa = PBXGroup;
 			children = (
+				9658F1F81CD6AA4900B902C1 /* Material.framework */,
 				965E8E701C14A4950035A270 /* MaterialButton */,
 				965E8E6F1C14A4950035A270 /* Products */,
 			);

Examples/Programmatic/MaterialButton/MaterialButton/ViewController.swift

@@ -45,6 +45,10 @@ class ViewController: UIViewController {
 		prepareFabButtonExample()
 	}
 	
+	override func viewDidAppear(animated: Bool) {
+		super.viewDidAppear(animated)
+	}
+	
 	/// General preparation statements.
 	private func prepareView() {
 		view.backgroundColor = MaterialColor.white
@@ -52,9 +56,12 @@ class ViewController: UIViewController {
 	
 	/// Prepares the FlatButton.
 	private func prepareFlatButtonExample() {
-		let button: FlatButton = FlatButton(frame: CGRectMake(107, 107, 200, 65))
+		let w: CGFloat = 200
+		let button: FlatButton = FlatButton(frame: CGRectMake((view.bounds.width - w) / 2, 100, w, 48))
 		button.setTitle("Flat", forState: .Normal)
-		button.titleLabel!.font = RobotoFont.mediumWithSize(32)
+		button.setTitleColor(MaterialColor.blue.base, forState: .Normal)
+		button.pulseColor = MaterialColor.blue.base
+		button.titleLabel!.font = RobotoFont.mediumWithSize(24)
 		
 		// Add button to UIViewController.
 		view.addSubview(button)
@@ -62,9 +69,12 @@ class ViewController: UIViewController {
 	
 	/// Prepares the RaisedButton.
 	private func prepareRaisedButtonExample() {
-		let button: RaisedButton = RaisedButton(frame: CGRectMake(107, 207, 200, 65))
+		let w: CGFloat = 200
+		let button: RaisedButton = RaisedButton(frame: CGRectMake((view.bounds.width - w) / 2, 200, w, 48))
 		button.setTitle("Raised", forState: .Normal)
-		button.titleLabel!.font = RobotoFont.mediumWithSize(32)
+		button.setTitleColor(MaterialColor.blue.base, forState: .Normal)
+		button.pulseColor = MaterialColor.blue.base
+		button.titleLabel!.font = RobotoFont.mediumWithSize(24)
 		
 		// Add button to UIViewController.
 		view.addSubview(button)
@@ -72,8 +82,9 @@ class ViewController: UIViewController {
 	
 	/// Prepares the FabButton.
 	private func prepareFabButtonExample() {
-		let img: UIImage? = UIImage(named: "ic_create_white")
-		let button: FabButton = FabButton(frame: CGRectMake(175, 315, 64, 64))
+		let w: CGFloat = 64
+		let img: UIImage? = MaterialIcon.cm.pen
+		let button: FabButton = FabButton(frame: CGRectMake((view.bounds.width - w) / 2, 300, w, 64))
 		button.setImage(img, forState: .Normal)
 		button.setImage(img, forState: .Highlighted)
 		

Examples/Programmatic/TextField/TextField.xcodeproj/project.pbxproj

@@ -7,8 +7,6 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		9658F1F01CD3C0EA00B902C1 /* Material.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9658F1EF1CD3C0EA00B902C1 /* Material.framework */; };
-		9658F1F11CD3C0EA00B902C1 /* Material.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9658F1EF1CD3C0EA00B902C1 /* Material.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		966F57A11C226BAA009185B7 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 966F57A01C226BAA009185B7 /* AppDelegate.swift */; };
 		966F57A31C226BAA009185B7 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 966F57A21C226BAA009185B7 /* ViewController.swift */; };
 		966F57A81C226BAA009185B7 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 966F57A71C226BAA009185B7 /* Assets.xcassets */; };
@@ -22,7 +20,6 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				9658F1F11CD3C0EA00B902C1 /* Material.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -30,7 +27,6 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
-		9658F1EF1CD3C0EA00B902C1 /* Material.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; name = Material.framework; path = "/Users/danieldahan/Library/Developer/Xcode/DerivedData/Material-bshwisidfobstlbomegqyybbrygh/Build/Products/Debug-iphoneos/Material.framework"; sourceTree = "<absolute>"; };
 		966F579D1C226BAA009185B7 /* TextField.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = TextField.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		966F57A01C226BAA009185B7 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		966F57A21C226BAA009185B7 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
@@ -44,7 +40,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				9658F1F01CD3C0EA00B902C1 /* Material.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -54,7 +49,6 @@
 		966F57941C226BAA009185B7 = {
 			isa = PBXGroup;
 			children = (
-				9658F1EF1CD3C0EA00B902C1 /* Material.framework */,
 				966F579F1C226BAA009185B7 /* TextField */,
 				966F579E1C226BAA009185B7 /* Products */,
 			);

Sources/iOS/FabButton.swift

@@ -42,6 +42,8 @@ public class FabButton : MaterialButton {
 		super.prepareView()
 		depth = .Depth1
 		shape = .Circle
-		backgroundColor = MaterialColor.red.darken1
+		backgroundColor = MaterialColor.blue.base
+		pulseColor = MaterialColor.white
+		tintColor = MaterialColor.white
 	}
 }
\ No newline at end of file

Sources/iOS/FlatButton.swift

@@ -42,6 +42,5 @@ public class FlatButton : MaterialButton {
 		super.prepareView()
 		cornerRadiusPreset = .Radius1
 		contentEdgeInsetsPreset = .WideRectangle3
-		pulseColor = MaterialColor.blue.accent3
 	}
 }
\ No newline at end of file

Sources/iOS/MaterialButton.swift

@@ -46,24 +46,15 @@ public class MaterialButton : UIButton {
 	*/
 	public weak var delegate: MaterialDelegate?
 	
-	/// To use a single pulse and have it focused when held.
-	@IBInspectable public var pulseFocus: Bool = false
-	
-	/// A pulse layer for focus handling.
-	public private(set) var pulseLayer: CAShapeLayer?
-	
-	/// Sets whether the scaling animation should be used.
-	@IBInspectable public lazy var pulseScale: Bool = true
+	/// An Array of pulse layers.
+	public private(set) lazy var pulseLayers: Array<CAShapeLayer> = Array<CAShapeLayer>()
 	
 	/// The opacity value for the pulse animation.
-	@IBInspectable public var pulseOpacity: CGFloat = 0.25
+	@IBInspectable public var pulseOpacity: CGFloat = 0.12
 	
 	/// The color of the pulse effect.
 	@IBInspectable public var pulseColor: UIColor?
 	
-	/// Sets a pulse animation to always radiate from the center
-	@IBInspectable public var pulseCenter: Bool = false
-	
 	/**
 	This property is the same as clipsToBounds. It crops any of the view's
 	contents from bleeding past the view's frame. If an image is set using
@@ -412,20 +403,12 @@ public class MaterialButton : UIButton {
 	*/
 	public func pulse(point: CGPoint? = nil) {
 		let p: CGPoint = nil == point ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : point!
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if let v: UIColor = pulseColor {
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: p, width: width, height: height, duration: duration)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-			MaterialAnimation.delay(duration) { [weak self] in
-				if let l: CALayer = self?.layer {
-					if let w: CGFloat = self?.width {
-						MaterialAnimation.shrinkAnimation(l, width: w, duration: duration)
-					}
+		if let color: UIColor = pulseColor {
+			MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: p, width: width, height: height, pulseLayers: &pulseLayers)
 		}
+		MaterialAnimation.delay(0.35) { [weak self] in
+			if let s: MaterialButton = self {
+				MaterialAnimation.pulseContractAnimation(s.layer, pulseColor: s.pulseColor, pulseLayers: &s.pulseLayers)
 			}
 		}
 	}
@@ -438,20 +421,7 @@ public class MaterialButton : UIButton {
 	*/
 	public override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesBegan(touches, withEvent: event)
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if pulseFocus {
-			pulseLayer = CAShapeLayer()
-		}
-		
-		if let v: UIColor = pulseColor {
-			let point: CGPoint = pulseCenter ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer)
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: point, width: width, height: height, duration: duration, pulseLayer: pulseLayer)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-		}
+		MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer), width: width, height: height, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -462,7 +432,7 @@ public class MaterialButton : UIButton {
 	*/
 	public override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesEnded(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -473,7 +443,7 @@ public class MaterialButton : UIButton {
 	*/
 	public override func touchesCancelled(touches: Set<UITouch>?, withEvent event: UIEvent?) {
 		super.touchesCancelled(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -484,8 +454,9 @@ public class MaterialButton : UIButton {
 	when subclassing.
 	*/
 	public func prepareView() {
+		pulseColor = MaterialColor.black
+		contentScaleFactor = MaterialDevice.scale
 		prepareVisualLayer()
-		pulseColor = MaterialColor.white
 	}
 	
 	/// Prepares the visualLayer property.

Sources/iOS/MaterialCollectionViewCell.swift

@@ -46,14 +46,8 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	*/
 	public weak var delegate: MaterialDelegate?
 	
-	/// To use a single pulse and have it focused when held.
-	@IBInspectable public var pulseFocus: Bool = false
-	
-	/// A pulse layer for focus handling.
-	public private(set) var pulseLayer: CAShapeLayer?
-	
-	/// Sets whether the scaling animation should be used.
-	@IBInspectable public lazy var pulseScale: Bool = true
+	/// An Array of pulse layers.
+	public private(set) lazy var pulseLayers: Array<CAShapeLayer> = Array<CAShapeLayer>()
 	
 	/// The opcaity value for the pulse animation.
 	@IBInspectable public var pulseOpacity: CGFloat = 0.25
@@ -61,9 +55,6 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	/// The color of the pulse effect.
 	@IBInspectable public var pulseColor: UIColor?
 	
-	/// Sets a pulse animation to always radiate from the center
-	@IBInspectable public var pulseCenter: Bool = false
-	
 	/**
 	A property that manages an image for the visualLayer's contents
 	property. Images should not be set to the backing layer's contents
@@ -517,20 +508,12 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	*/
 	public func pulse(point: CGPoint? = nil) {
 		let p: CGPoint = nil == point ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : point!
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if let v: UIColor = pulseColor {
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: p, width: width, height: height, duration: duration)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-			MaterialAnimation.delay(duration) { [weak self] in
-				if let l: CALayer = self?.layer {
-					if let w: CGFloat = self?.width {
-						MaterialAnimation.shrinkAnimation(l, width: w, duration: duration)
-					}
+		if let color: UIColor = pulseColor {
+			MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: p, width: width, height: height, pulseLayers: &pulseLayers)
 		}
+		MaterialAnimation.delay(0.35) { [weak self] in
+			if let s: MaterialCollectionViewCell = self {
+				MaterialAnimation.pulseContractAnimation(s.layer, pulseColor: s.pulseColor, pulseLayers: &s.pulseLayers)
 			}
 		}
 	}
@@ -543,20 +526,7 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	*/
 	public override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesBegan(touches, withEvent: event)
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if pulseFocus {
-			pulseLayer = CAShapeLayer()
-		}
-		
-		if let v: UIColor = pulseColor {
-			let point: CGPoint = pulseCenter ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer)
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: point, width: width, height: height, duration: duration, pulseLayer: pulseLayer)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-		}
+		MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer), width: width, height: height, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -567,7 +537,7 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	*/
 	public override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesEnded(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -578,7 +548,7 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	*/
 	public override func touchesCancelled(touches: Set<UITouch>?, withEvent event: UIEvent?) {
 		super.touchesCancelled(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -589,9 +559,9 @@ public class MaterialCollectionViewCell : UICollectionViewCell {
 	when subclassing.
 	*/
 	public func prepareView() {
+		pulseColor = MaterialColor.black
+		contentScaleFactor = MaterialDevice.scale
 		prepareVisualLayer()
-		pulseColor = MaterialColor.grey.lighten1
-		pulseScale = false
 	}
 	
 	/// Prepares the visualLayer property.

Sources/iOS/MaterialPulseAnimation.swift

@@ -32,100 +32,69 @@ import UIKit
 
 internal extension MaterialAnimation {
 	/**
-	Triggers the pulse animation.
+	Triggers the expanding animation.
 	- Parameter layer: Container CALayer.
 	- Parameter visualLayer: A CAShapeLayer for the pulseLayer.
-	- Parameter color: The UIColor for the pulse.
+	- Parameter pulseColor: The UIColor for the pulse.
 	- Parameter point: A point to pulse from.
 	- Parameter width: Container width.
 	- Parameter height: Container height.
 	- Parameter duration: Animation duration.
-	- Parameter pulseLayer: An Optional pulseLayer to use in the animation.
+	- Parameter pulseLayers: An Array of CAShapeLayers used in the animation.
 	*/
-	internal static func pulseAnimation(layer: CALayer, visualLayer: CALayer, color: UIColor, point: CGPoint, width: CGFloat, height: CGFloat, duration: NSTimeInterval, pulseLayer: CAShapeLayer? = nil) {
-		
-		let r: CGFloat = (width < height ? height : width) / 2
-		let f: CGFloat = 3
-		let v: CGFloat = r / f
-		let d: CGFloat = 2 * f
-		
-		var b: Bool = false
-		var pLayer: CAShapeLayer?
-		
-		if nil == pulseLayer {
-			pLayer = CAShapeLayer()
-			b = true
-		} else {
-			pLayer = pulseLayer
-		}
-		
-		pLayer!.hidden = true
-		pLayer!.zPosition = 1
-		pLayer!.backgroundColor = color.CGColor
-		visualLayer.addSublayer(pLayer!)
-		
-		MaterialAnimation.animationDisabled {
-			pLayer!.bounds = CGRectMake(0, 0, v, v)
-			pLayer!.position = point
-			pLayer!.cornerRadius = r / d
-			pLayer!.hidden = false
-		}
-		
-		pLayer!.addAnimation(MaterialAnimation.scale((b ? 3 : 1.7) * d, duration: duration), forKey: nil)
-		
-		if b {
-			MaterialAnimation.delay(duration) {
-				MaterialAnimation.animateWithDuration(duration, animations: {
-					pLayer?.hidden = true
-				}) {
-					pLayer?.removeFromSuperlayer()
-				}
+	internal static func pulseExpandAnimation(layer: CALayer, visualLayer: CALayer, pulseColor: UIColor?, pulseOpacity: CGFloat, point: CGPoint, width: CGFloat, height: CGFloat, inout pulseLayers: Array<CAShapeLayer>) {
+		if let color: UIColor = pulseColor {
+			if let n: CGFloat = width < height ? height : width {
+				if let pOpacity: CGFloat = pulseOpacity {
+					let bLayer: CAShapeLayer = CAShapeLayer()
+					let pLayer: CAShapeLayer = CAShapeLayer()
+					bLayer.addSublayer(pLayer)
+					pulseLayers.insert(bLayer, atIndex: 0)
+					visualLayer.insertSublayer(bLayer, atIndex: 0)
+					MaterialAnimation.animationDisabled({
+						bLayer.frame = visualLayer.bounds
+						pLayer.bounds = CGRectMake(0, 0, n, n)
+						pLayer.position = point
+						pLayer.cornerRadius = n / 2
+						pLayer.backgroundColor = color.colorWithAlphaComponent(pOpacity).CGColor
+						pLayer.transform = CATransform3DMakeAffineTransform(CGAffineTransformMakeScale(0, 0))
+					})
+					bLayer.setValue(false, forKey: "animated")
+					bLayer.addAnimation(MaterialAnimation.backgroundColor(color.colorWithAlphaComponent(pOpacity / 2), duration: 0.35), forKey: nil)
+					pLayer.addAnimation(MaterialAnimation.scale(1, duration: 0.35), forKey: nil)
+					MaterialAnimation.delay(0.35, completion: {
+						bLayer.setValue(true, forKey: "animated")
+					})
 				}
-		} else {
-			MaterialAnimation.delay(duration / 2) {
-				pLayer?.addAnimation(MaterialAnimation.scale(1.3 * d, duration: duration), forKey: nil)
 			}
 		}
 	}
 	
 	/**
-	Triggers the expanding animation.
+	Triggers the contracting animation.
 	- Parameter layer: Container CALayer.
-	- Parameter scale: The scale factor when expanding.
-	- Parameter duration: Animation duration.
+	- Parameter pulseColor: The UIColor for the pulse.
+	- Parameter pulseLayers: An Array of CAShapeLayers used in the animation.
 	*/
-	internal static func expandAnimation(layer: CALayer, scale: CGFloat, duration: NSTimeInterval) {
-		layer.addAnimation(MaterialAnimation.scale(scale, duration: duration), forKey: nil)
-	}
+	internal static func pulseContractAnimation(layer: CALayer, pulseColor: UIColor?, inout pulseLayers: Array<CAShapeLayer>) {
+		if let color: UIColor = pulseColor {
+			if let bLayer: CAShapeLayer = pulseLayers.popLast() {
+				let animated: Bool? = bLayer.valueForKey("animated") as? Bool
+				MaterialAnimation.delay(true == animated ? 0 : 0.10) {
+					if let pLayer: CAShapeLayer = bLayer.sublayers?.first as? CAShapeLayer {
+						bLayer.addAnimation(MaterialAnimation.backgroundColor(color.colorWithAlphaComponent(0), duration: 0.35), forKey: nil)
+						pLayer.addAnimation(MaterialAnimation.animationGroup([
+							MaterialAnimation.scale(1.35),
+							MaterialAnimation.backgroundColor(color.colorWithAlphaComponent(0))
+							], duration: 0.35), forKey: nil)
 						
-	/**
-	Triggers the shrinking animation.
-	- Parameter layer: Container CALayer.
-	- Parameter width: Container width.
-	- Parameter duration: Animation duration.
-	- Parameter pulseLayer: An Optional pulseLayer to use in the animation.
-	*/
-	internal static func shrinkAnimation(layer: CALayer, width: CGFloat, duration: NSTimeInterval, pulseLayer: CAShapeLayer? = nil) {
-		if let v: CAShapeLayer = pulseLayer {
-			MaterialAnimation.animateWithDuration(duration, animations: {
-				v.hidden = true
-			}) {
-				v.removeFromSuperlayer()
+						MaterialAnimation.delay(0.35) {
+							pLayer.removeFromSuperlayer()
+							bLayer.removeFromSuperlayer()
+						}
 					}
 				}
-		layer.addAnimation(MaterialAnimation.scale(1, duration: duration), forKey: nil)
 			}
-	
-	/**
-	Retrieves the animation duration time.
-	- Parameter width: Container width.
-	- Returns: An NSTimeInterval value that represents the animation time.
-	*/
-	internal static func pulseDuration(width: CGFloat) -> NSTimeInterval {
-		var t: CFTimeInterval = CFTimeInterval(1.5 * width / MaterialDevice.width)
-		if 0.55 < t || 0.25 > t {
-			t = 0.55
 		}
-		return t / 1.3
 	}
 }
\ No newline at end of file

Sources/iOS/MaterialPulseView.swift

@@ -34,11 +34,8 @@ public class MaterialPulseView : MaterialView {
 	/// To use a single pulse and have it focused when held.
 	@IBInspectable public var pulseFocus: Bool = false
 	
-	/// A pulse layer for focus handling.
-	public private(set) var pulseLayer: CAShapeLayer?
-	
-	/// Sets whether the scaling animation should be used.
-	@IBInspectable public lazy var pulseScale: Bool = true
+	/// An Array of pulse layers.
+	public private(set) lazy var pulseLayers: Array<CAShapeLayer> = Array<CAShapeLayer>()
 	
 	/// The opcaity value for the pulse animation.
 	@IBInspectable public var pulseOpacity: CGFloat = 0.25
@@ -46,9 +43,6 @@ public class MaterialPulseView : MaterialView {
 	/// The color of the pulse effect.
 	@IBInspectable public var pulseColor: UIColor?
 	
-	/// Sets a pulse animation to always radiate from the center
-	@IBInspectable public var pulseCenter: Bool = false
-	
 	/**
 	Triggers the pulse animation.
 	- Parameter point: A Optional point to pulse from, otherwise pulses
@@ -56,20 +50,12 @@ public class MaterialPulseView : MaterialView {
 	*/
 	public func pulse(point: CGPoint? = nil) {
 		let p: CGPoint = nil == point ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : point!
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if let v: UIColor = pulseColor {
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: p, width: width, height: height, duration: duration)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-			MaterialAnimation.delay(duration) { [weak self] in
-				if let l: CALayer = self?.layer {
-					if let w: CGFloat = self?.width {
-						MaterialAnimation.shrinkAnimation(l, width: w, duration: duration)
-					}
+		if let color: UIColor = pulseColor {
+			MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: p, width: width, height: height, pulseLayers: &pulseLayers)
 		}
+		MaterialAnimation.delay(0.35) { [weak self] in
+			if let s: MaterialPulseView = self {
+				MaterialAnimation.pulseContractAnimation(s.layer, pulseColor: s.pulseColor, pulseLayers: &s.pulseLayers)
 			}
 		}
 	}
@@ -82,20 +68,7 @@ public class MaterialPulseView : MaterialView {
 	*/
 	public override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesBegan(touches, withEvent: event)
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if pulseFocus {
-			pulseLayer = CAShapeLayer()
-		}
-		
-		if let v: UIColor = pulseColor {
-			let point: CGPoint = pulseCenter ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer)
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: point, width: width, height: height, duration: duration, pulseLayer: pulseLayer)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-		}
+		MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer), width: width, height: height, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -106,7 +79,7 @@ public class MaterialPulseView : MaterialView {
 	*/
 	public override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesEnded(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -117,7 +90,7 @@ public class MaterialPulseView : MaterialView {
 	*/
 	public override func touchesCancelled(touches: Set<UITouch>?, withEvent event: UIEvent?) {
 		super.touchesCancelled(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -129,6 +102,7 @@ public class MaterialPulseView : MaterialView {
 	*/
 	public override func prepareView() {
 		super.prepareView()
-		pulseColor = MaterialColor.white
+		pulseColor = MaterialColor.black
+		contentScaleFactor = MaterialDevice.scale
 	}
 }

Sources/iOS/MaterialTableViewCell.swift

@@ -45,14 +45,8 @@ public class MaterialTableViewCell : UITableViewCell {
 	*/
 	public weak var delegate: MaterialDelegate?
 	
-	/// To use a single pulse and have it focused when held.
-	@IBInspectable public var pulseFocus: Bool = false
-	
-	/// A pulse layer for focus handling.
-	public private(set) var pulseLayer: CAShapeLayer?
-	
-	/// Sets whether the scaling animation should be used.
-	@IBInspectable public lazy var pulseScale: Bool = true
+	/// An Array of pulse layers.
+	public private(set) lazy var pulseLayers: Array<CAShapeLayer> = Array<CAShapeLayer>()
 	
 	/// The opcaity value for the pulse animation.
 	@IBInspectable public var pulseOpacity: CGFloat = 0.25
@@ -60,9 +54,6 @@ public class MaterialTableViewCell : UITableViewCell {
 	/// The color of the pulse effect.
 	@IBInspectable public var pulseColor: UIColor?
 	
-	/// Sets a pulse animation to always radiate from the center
-	@IBInspectable public var pulseCenter: Bool = false
-	
 	/**
 	This property is the same as clipsToBounds. It crops any of the view's
 	contents from bleeding past the view's frame. If an image is set using
@@ -367,20 +358,12 @@ public class MaterialTableViewCell : UITableViewCell {
 	*/
 	public func pulse(point: CGPoint? = nil) {
 		let p: CGPoint = nil == point ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : point!
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if let v: UIColor = pulseColor {
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: p, width: width, height: height, duration: duration)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-			MaterialAnimation.delay(duration) { [weak self] in
-				if let l: CALayer = self?.layer {
-					if let w: CGFloat = self?.width {
-						MaterialAnimation.shrinkAnimation(l, width: w, duration: duration)
-					}
+		if let color: UIColor = pulseColor {
+			MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: p, width: width, height: height, pulseLayers: &pulseLayers)
 		}
+		MaterialAnimation.delay(0.35) { [weak self] in
+			if let s: MaterialTableViewCell = self {
+				MaterialAnimation.pulseContractAnimation(s.layer, pulseColor: s.pulseColor, pulseLayers: &s.pulseLayers)
 			}
 		}
 	}
@@ -393,20 +376,7 @@ public class MaterialTableViewCell : UITableViewCell {
 	*/
 	public override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesBegan(touches, withEvent: event)
-		let duration: NSTimeInterval = MaterialAnimation.pulseDuration(width)
-		
-		if pulseFocus {
-			pulseLayer = CAShapeLayer()
-		}
-		
-		if let v: UIColor = pulseColor {
-			let point: CGPoint = pulseCenter ? CGPointMake(CGFloat(width / 2), CGFloat(height / 2)) : layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer)
-			MaterialAnimation.pulseAnimation(layer, visualLayer: visualLayer, color: v.colorWithAlphaComponent(pulseOpacity), point: point, width: width, height: height, duration: duration, pulseLayer: pulseLayer)
-		}
-		
-		if pulseScale {
-			MaterialAnimation.expandAnimation(layer, scale: 1.05, duration: duration)
-		}
+		MaterialAnimation.pulseExpandAnimation(layer, visualLayer: visualLayer, pulseColor: pulseColor, pulseOpacity: pulseOpacity, point: layer.convertPoint(touches.first!.locationInView(self), fromLayer: layer), width: width, height: height, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -417,7 +387,7 @@ public class MaterialTableViewCell : UITableViewCell {
 	*/
 	public override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
 		super.touchesEnded(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -428,7 +398,7 @@ public class MaterialTableViewCell : UITableViewCell {
 	*/
 	public override func touchesCancelled(touches: Set<UITouch>?, withEvent event: UIEvent?) {
 		super.touchesCancelled(touches, withEvent: event)
-		MaterialAnimation.shrinkAnimation(layer, width: width, duration: MaterialAnimation.pulseDuration(width), pulseLayer: pulseLayer)
+		MaterialAnimation.pulseContractAnimation(layer, pulseColor: pulseColor, pulseLayers: &pulseLayers)
 	}
 	
 	/**
@@ -441,8 +411,8 @@ public class MaterialTableViewCell : UITableViewCell {
 	public func prepareView() {
 		prepareVisualLayer()
 		selectionStyle = .None
-		pulseColor = MaterialColor.grey.lighten1
-		pulseScale = false
+		pulseColor = MaterialColor.black
+		contentScaleFactor = MaterialDevice.scale
 		imageView?.userInteractionEnabled = false
 		textLabel?.userInteractionEnabled = false
 		detailTextLabel?.userInteractionEnabled = false

Sources/iOS/MenuView.swift

@@ -44,7 +44,6 @@ public class MenuView : MaterialPulseView {
 	public override func prepareView() {
 		super.prepareView()
 		pulseColor = nil
-		pulseScale = false
 		clipsToBounds = false
 		backgroundColor = nil
 	}

Sources/iOS/NavigationBar.swift

@@ -407,7 +407,6 @@ public class NavigationBar : UINavigationBar {
 	
 	/// Prepares the backButton.
 	internal func prepareBackButton() {
-		backButton.pulseScale = false
 		backButton.pulseColor = MaterialColor.white
 		backButton.setImage(backButtonImage, forState: .Normal)
 		backButton.setImage(backButtonImage, forState: .Highlighted)

Sources/iOS/RaisedButton.swift

@@ -44,6 +44,5 @@ public class RaisedButton : MaterialButton {
 		cornerRadiusPreset = .Radius1
 		contentEdgeInsetsPreset = .WideRectangle3
 		backgroundColor = MaterialColor.white
-		pulseColor = MaterialColor.blue.accent3
 	}
 }
\ No newline at end of file

Sources/iOS/SearchBar.swift

@@ -130,7 +130,6 @@ public class SearchBar : StatusBarView {
 		clearButton.contentEdgeInsets = UIEdgeInsetsZero
 		clearButton.pulseColor = MaterialColor.black
 		clearButton.pulseOpacity = 0.12
-		clearButton.pulseScale = false
 		clearButton.tintColor = placeholderTextColor
 		clearButton.setImage(image, forState: .Normal)
 		clearButton.setImage(image, forState: .Highlighted)

Sources/iOS/TextField.swift

@@ -153,9 +153,9 @@ public class TextField : UITextField {
 	}
  
 	/// TextField's text property observer.
- public override var text: String? {
+	@IBInspectable public override var text: String? {
 		didSet {
-   if (text == nil || text!.isEmpty) && !self.isFirstResponder() {
+			if (nil == text || text!.isEmpty) && !isFirstResponder() {
 				placeholderEditingDidEndAnimation()
 			}
 		}
@@ -255,7 +255,6 @@ public class TextField : UITextField {
 					clearFlatButton = FlatButton(frame: CGRectZero)
 					clearFlatButton!.contentEdgeInsets = UIEdgeInsetsZero
 					clearFlatButton!.pulseColor = nil
-					clearFlatButton!.pulseScale = false
 					clearFlatButton!.tintColor = placeholderColor
 					clearFlatButton!.setImage(image, forState: .Normal)
 					clearFlatButton!.setImage(image, forState: .Highlighted)
@@ -293,7 +292,6 @@ public class TextField : UITextField {
 					visibilityFlatButton = FlatButton(frame: CGRectZero)
 					visibilityFlatButton!.contentEdgeInsets = UIEdgeInsetsZero
 					visibilityFlatButton!.pulseColor = nil
-					visibilityFlatButton!.pulseScale = false
 					visibilityFlatButton!.tintColor = placeholderColor
 					visibilityFlatButton!.setImage(image, forState: .Normal)
 					visibilityFlatButton!.setImage(image, forState: .Highlighted)
@@ -516,7 +514,7 @@ public class TextField : UITextField {
 	
 	/// Layout the detailLabel.
 	public func layoutDetailLabel() {
-		var h: CGFloat = nil == detail ? 12 : detailLabel.font.stringSize(detail!, constrainedToWidth: Double(width)).height
+		let h: CGFloat = nil == detail ? 12 : detailLabel.font.stringSize(detail!, constrainedToWidth: Double(width)).height
 		detailLabel.frame = CGRectMake(0, divider.frame.origin.y + 8, width, h)
 	}