No longer using -init for Color Scheme. (material-components#5734)

{MDC iOS} No longer using `-init` for Color Scheme.

Based on the discussions in go/mdc-ios-theming, we should not use the `-init` default initializer. Instead, we should use an explicit set of defaults.

Search regex: '\[\[MDCSemanticColorScheme alloc\] init\]'

Author: Robert Moore

components/ActionSheet/examples/ActionSheetTypicalUse.m

@@ -33,7 +33,8 @@ - (instancetype)init {
   self = [super init];
   if (self) {
     self.title = @"Action Sheet";
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
     _showButton = [[MDCButton alloc] init];
     _buttonScheme = [[MDCButtonScheme alloc] init];

components/ActionSheet/src/ActionSheetThemer/MDCActionSheetScheme.m

@@ -19,7 +19,8 @@ @implementation MDCActionSheetScheme
 - (instancetype)init {
   self = [super init];
   if (self) {
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/ActionSheet/tests/unit/MDCActionSheetThemeTest.m

@@ -48,7 +48,8 @@ - (void)setUp {
   [super setUp];
 
   self.actionSheet = [[MDCActionSheetController alloc] init];
-  self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+  self.colorScheme =
+      [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   UIColor *surface = UIColor.blueColor;
   UIColor *onSurface = UIColor.redColor;
   self.colorScheme.surfaceColor = surface;
@@ -74,7 +75,8 @@ - (void)testDefaultScheme {
   // Given
   MDCActionSheetScheme *defaultScheme = [[MDCActionSheetScheme alloc] init];
   MDCTypographyScheme *defaultTypographyScheme = [[MDCTypographyScheme alloc] init];
-  MDCSemanticColorScheme *defaultColorScheme = [[MDCSemanticColorScheme alloc] init];
+  MDCSemanticColorScheme *defaultColorScheme =
+      [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
   // Then
   XCTAssertEqualObjects(defaultScheme.typographyScheme.subtitle1,

components/ActivityIndicator/README.md

@@ -242,7 +242,7 @@ MDCActivityIndicatorColorThemer.applySemanticColorScheme(colorScheme, to: activi
 #import "MaterialActivityIndicator+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCActivityIndicatorColorThemer applySemanticColorScheme:colorScheme

components/ActivityIndicator/docs/color-theming.md

@@ -30,7 +30,7 @@ MDCActivityIndicatorColorThemer.applySemanticColorScheme(colorScheme, to: activi
 #import "MaterialActivityIndicator+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCActivityIndicatorColorThemer applySemanticColorScheme:colorScheme

components/ActivityIndicator/examples/ActivityIndicatorExample.m

@@ -33,7 +33,8 @@ - (id)init {
   self = [super init];
   if (self) {
     self.title = @"Activity Indicator";
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   }
   return self;
 }

components/ActivityIndicator/examples/ActivityIndicatorTransitionExample.m

@@ -42,7 +42,8 @@ - (id)init {
   self = [super init];
   if (self) {
     self.title = @"Activity Indicator Transition";
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/README.md

@@ -668,7 +668,7 @@ MDCAppBarColorThemer.applySemanticColorScheme(colorScheme, to: component)
 #import "MaterialAppBar+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCAppBarColorThemer applySemanticColorScheme:colorScheme

components/AppBar/docs/color-theming.md

@@ -28,7 +28,7 @@ MDCAppBarColorThemer.applySemanticColorScheme(colorScheme, to: component)
 #import "MaterialAppBar+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCAppBarColorThemer applySemanticColorScheme:colorScheme

components/AppBar/examples/AppBarImageryExample.m

@@ -32,7 +32,8 @@ - (void)dealloc {
 - (id)init {
   self = [super init];
   if (self) {
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
     _appBarViewController = [[MDCAppBarViewController alloc] init];
 

components/AppBar/examples/AppBarInterfaceBuilderExampleController.m

@@ -57,7 +57,8 @@ - (void)commonAppBarInterfaceBuilderExampleSetup {
   self.appBarViewController.inferTopSafeAreaInsetFromViewController = YES;
   self.appBarViewController.headerView.minMaxHeightIncludesSafeArea = NO;
 
-  self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+  self.colorScheme =
+      [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   [self addChildViewController:self.appBarViewController];
 }
 

components/AppBar/examples/AppBarModalPresentationExample.m

@@ -48,7 +48,8 @@ - (instancetype)init {
     // Set preferred content size
     self.preferredContentSize = CGSizeMake(250, 500);
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   }
   return self;
 }

components/AppBar/examples/AppBarPresentedExample.m

@@ -50,7 +50,8 @@ - (id)init {
 
     [self addChildViewController:_appBarViewController];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarSectionHeadersExample.m

@@ -46,7 +46,8 @@ - (id)init {
 
     [self addChildViewController:_appBarViewController];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   }
   return self;
 }

components/AppBar/examples/AppBarTypicalCollectionViewExample.m

@@ -53,7 +53,8 @@ - (id)init {
     [self addChildViewController:_appBarViewController];
     _appBarViewController.headerView.observesTrackingScrollViewScrollEvents = YES;
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarTypicalUseExample.m

@@ -51,7 +51,8 @@ - (id)init {
     _appBarViewController.navigationBar.inkColor = [UIColor colorWithWhite:(CGFloat)0.9
                                                                      alpha:(CGFloat)0.1];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarWKWebViewLargeContentExample.m

@@ -56,7 +56,8 @@ - (id)init {
 
     _appBar.navigationBar.inkColor = [UIColor colorWithWhite:(CGFloat)0.9 alpha:(CGFloat)0.1];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarWKWebViewLargeContentNoBugExample.m

@@ -55,7 +55,8 @@ - (id)init {
 
     _appBar.navigationBar.inkColor = [UIColor colorWithWhite:(CGFloat)0.9 alpha:(CGFloat)0.1];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarWKWebViewSmallContentBugExample.m

@@ -57,7 +57,8 @@ - (id)init {
 
     _appBar.navigationBar.inkColor = [UIColor colorWithWhite:(CGFloat)0.9 alpha:(CGFloat)0.1];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarWKWebViewSmallContentExample.m

@@ -55,7 +55,8 @@ - (id)init {
 
     _appBar.navigationBar.inkColor = [UIColor colorWithWhite:(CGFloat)0.9 alpha:(CGFloat)0.1];
 
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/AppBar/examples/AppBarWrappingUITableViewControllerExample.m

@@ -37,7 +37,8 @@ - (void)dealloc {
 - (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
   self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
   if (self) {
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/BottomAppBar/README.md

@@ -156,7 +156,7 @@ MDCBottomAppBarColorThemer.applySurfaceVariant(withSemanticColorScheme: colorSch
 #import "MaterialButtons+ButtonThemer.h"
 
 // Step 2: Create or get a color scheme and typography scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 id<MDCTypographyScheming> typographyScheme = [[MDCTypographyScheme alloc] init];
 MDCButtonScheme *buttonScheme = [[MDCButtonScheme alloc] init];
 buttonScheme.colorScheme = colorScheme;

components/BottomAppBar/docs/color-theming.md

@@ -43,7 +43,7 @@ MDCBottomAppBarColorThemer.applySurfaceVariant(withSemanticColorScheme: colorSch
 #import "MaterialButtons+ButtonThemer.h"
 
 // Step 2: Create or get a color scheme and typography scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 id<MDCTypographyScheming> typographyScheme = [[MDCTypographyScheme alloc] init];
 MDCButtonScheme *buttonScheme = [[MDCButtonScheme alloc] init];
 buttonScheme.colorScheme = colorScheme;

components/BottomAppBar/examples/BottomAppBarTypicalUseExample.m

@@ -26,7 +26,8 @@ - (id)init {
   self = [super init];
   if (self) {
     self.title = @"Bottom App Bar";
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/BottomAppBar/tests/unit/BottomAppBarColorThemerTests.m

@@ -48,7 +48,8 @@ - (void)testPrimaryColorAppliedToBarTintColor {
 
 - (void)testSurfaceVariantColorThemer {
   // Given
-  MDCSemanticColorScheme *colorScheme = [[MDCSemanticColorScheme alloc] init];
+  MDCSemanticColorScheme *colorScheme =
+      [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   colorScheme.primaryColor = UIColor.orangeColor;
   colorScheme.onPrimaryColor = UIColor.cyanColor;
   colorScheme.surfaceColor = UIColor.blueColor;

components/BottomNavigation/README.md

@@ -136,7 +136,7 @@ MDCBottomNavigationBarColorThemer.applySemanticColorScheme(colorScheme, to: comp
 #import "MaterialBottomNavigation+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCBottomNavigationBarColorThemer applySemanticColorScheme:colorScheme

components/BottomNavigation/docs/color-theming.md

@@ -28,7 +28,7 @@ MDCBottomNavigationBarColorThemer.applySemanticColorScheme(colorScheme, to: comp
 #import "MaterialBottomNavigation+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCBottomNavigationBarColorThemer applySemanticColorScheme:colorScheme

components/BottomNavigation/examples/BottomNavigationTypicalUseExample.m

@@ -33,7 +33,8 @@ - (id)init {
   self = [super init];
   if (self) {
     self.title = @"Bottom Navigation";
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/BottomNavigation/tests/unit/BottomNavigationBarColorThemerTests.m

@@ -36,7 +36,8 @@ @implementation BottomNavigationBarColorThemerTests
 
 - (void)testColorScheming {
   // Given
-  MDCSemanticColorScheme *colorScheme = [[MDCSemanticColorScheme alloc] init];
+  MDCSemanticColorScheme *colorScheme =
+      [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
   colorScheme.primaryColor = [UIColor redColor];
   colorScheme.onPrimaryColor = [UIColor blueColor];
   UITabBarItem *item = [[UITabBarItem alloc] init];

components/BottomSheet/examples/supplemental/BottomSheetPresenterViewController.m

@@ -23,7 +23,8 @@ @implementation BottomSheetPresenterViewController {
 - (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
   self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
   if (self) {
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/ButtonBar/README.md

@@ -207,7 +207,7 @@ MDCButtonBarColorThemer.applySemanticColorScheme(colorScheme, to:buttonBar)
 #import "MaterialButtonBar+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCButtonBarColorThemer applySemanticColorScheme:colorScheme

components/ButtonBar/docs/color-theming.md

@@ -28,7 +28,7 @@ MDCButtonBarColorThemer.applySemanticColorScheme(colorScheme, to:buttonBar)
 #import "MaterialButtonBar+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component
 [MDCButtonBarColorThemer applySemanticColorScheme:colorScheme

components/ButtonBar/examples/ButtonBarCustomizedFontExample.m

@@ -28,7 +28,8 @@ @implementation ButtonBarCustomizedFontExample
 - (id)init {
   self = [super init];
   if (self) {
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
 
     self.title = @"Button Bar";

components/ButtonBar/examples/ButtonBarTypicalUseExample.m

@@ -27,7 +27,8 @@ @implementation ButtonBarTypicalUseExample
 - (id)init {
   self = [super init];
   if (self) {
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.title = @"Button Bar";
   }
   return self;

components/Buttons/README.md

@@ -373,7 +373,7 @@ MDCTextButtonColorThemer.applySemanticColorScheme(colorScheme, to: component)
 #import "MaterialButtons+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component using the desired button style
 [MDCContainedButtonColorThemer applySemanticColorScheme:colorScheme

components/Buttons/docs/color-theming.md

@@ -30,7 +30,7 @@ MDCTextButtonColorThemer.applySemanticColorScheme(colorScheme, to: component)
 #import "MaterialButtons+ColorThemer.h"
 
 // Step 2: Create or get a color scheme
-id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] init];
+id<MDCColorScheming> colorScheme = [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
 
 // Step 3: Apply the color scheme to your component using the desired button style
 [MDCContainedButtonColorThemer applySemanticColorScheme:colorScheme

components/Buttons/examples/ButtonsShapesExampleViewController.m

@@ -30,7 +30,8 @@ @implementation ButtonsShapesExampleViewController
 - (id)init {
   self = [super init];
   if (self) {
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }
   return self;

components/Buttons/examples/ButtonsTypicalUseExampleViewController.m

@@ -32,7 +32,8 @@ @implementation ButtonsTypicalUseExampleViewController
 - (id)init {
   self = [super init];
   if (self) {
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.shapeScheme = [[MDCShapeScheme alloc] init];
     self.typographyScheme = [[MDCTypographyScheme alloc] init];
   }

components/Buttons/examples/FloatingButtonExampleViewController.m

@@ -35,7 +35,8 @@ @implementation FloatingButtonExampleViewController
 - (id)init {
   self = [super init];
   if (self) {
-    self.colorScheme = [[MDCSemanticColorScheme alloc] init];
+    self.colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     self.shapeScheme = [[MDCShapeScheme alloc] init];
   }
   return self;

components/Buttons/src/ButtonThemer/MDCButtonScheme.m

@@ -19,7 +19,8 @@ @implementation MDCButtonScheme
 - (instancetype)init {
   self = [super init];
   if (self) {
-    _colorScheme = [[MDCSemanticColorScheme alloc] init];
+    _colorScheme =
+        [[MDCSemanticColorScheme alloc] initWithDefaults:MDCColorSchemeDefaultsMaterial201804];
     _shapeScheme = [[MDCShapeScheme alloc] init];
     _typographyScheme = [[MDCTypographyScheme alloc] init];
     _minimumHeight = 36;