Fix QA issues in theme.

Signal.xcodeproj/project.pbxproj

@@ -55,6 +55,12 @@
 		3421981C21061D2E00C57195 /* ByteParserTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3421981B21061D2E00C57195 /* ByteParserTest.swift */; };
 		34277A5E20751BDC006049F2 /* OWSQuotedMessageView.m in Sources */ = {isa = PBXBuildFile; fileRef = 34277A5C20751BDC006049F2 /* OWSQuotedMessageView.m */; };
 		3427C64320F500E000EEC730 /* OWSMessageTimerView.m in Sources */ = {isa = PBXBuildFile; fileRef = 3427C64220F500DF00EEC730 /* OWSMessageTimerView.m */; };
+		342950822124C9750000B063 /* OWSTextField.m in Sources */ = {isa = PBXBuildFile; fileRef = 3429507E2124C9740000B063 /* OWSTextField.m */; };
+		342950832124C9750000B063 /* OWSTextView.m in Sources */ = {isa = PBXBuildFile; fileRef = 3429507F2124C9740000B063 /* OWSTextView.m */; };
+		342950842124C9750000B063 /* OWSTextView.h in Headers */ = {isa = PBXBuildFile; fileRef = 342950802124C9740000B063 /* OWSTextView.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		342950852124C9750000B063 /* OWSTextField.h in Headers */ = {isa = PBXBuildFile; fileRef = 342950812124C9750000B063 /* OWSTextField.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		342950882124CB0A0000B063 /* OWSSearchBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 342950862124CB0A0000B063 /* OWSSearchBar.m */; };
+		342950892124CB0A0000B063 /* OWSSearchBar.h in Headers */ = {isa = PBXBuildFile; fileRef = 342950872124CB0A0000B063 /* OWSSearchBar.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		3430FE181F7751D4000EC51B /* GiphyAPI.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3430FE171F7751D4000EC51B /* GiphyAPI.swift */; };
 		34330A5A1E7875FB00DF2FB9 /* fontawesome-webfont.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 34330A591E7875FB00DF2FB9 /* fontawesome-webfont.ttf */; };
 		34330A5C1E787A9800DF2FB9 /* dripicons-v2.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 34330A5B1E787A9800DF2FB9 /* dripicons-v2.ttf */; };
@@ -670,6 +676,12 @@
 		34277A5D20751BDC006049F2 /* OWSQuotedMessageView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSQuotedMessageView.h; sourceTree = "<group>"; };
 		3427C64120F500DE00EEC730 /* OWSMessageTimerView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSMessageTimerView.h; sourceTree = "<group>"; };
 		3427C64220F500DF00EEC730 /* OWSMessageTimerView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OWSMessageTimerView.m; sourceTree = "<group>"; };
+		3429507E2124C9740000B063 /* OWSTextField.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OWSTextField.m; sourceTree = "<group>"; };
+		3429507F2124C9740000B063 /* OWSTextView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OWSTextView.m; sourceTree = "<group>"; };
+		342950802124C9740000B063 /* OWSTextView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSTextView.h; sourceTree = "<group>"; };
+		342950812124C9750000B063 /* OWSTextField.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSTextField.h; sourceTree = "<group>"; };
+		342950862124CB0A0000B063 /* OWSSearchBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OWSSearchBar.m; sourceTree = "<group>"; };
+		342950872124CB0A0000B063 /* OWSSearchBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSSearchBar.h; sourceTree = "<group>"; };
 		3430FE171F7751D4000EC51B /* GiphyAPI.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GiphyAPI.swift; sourceTree = "<group>"; };
 		34330A591E7875FB00DF2FB9 /* fontawesome-webfont.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "fontawesome-webfont.ttf"; sourceTree = "<group>"; };
 		34330A5B1E787A9800DF2FB9 /* dripicons-v2.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "dripicons-v2.ttf"; sourceTree = "<group>"; };
@@ -1698,6 +1710,12 @@
 				34AC0A09211B39E900997B47 /* OWSFlatButton.swift */,
 				34AC09FE211B39E700997B47 /* OWSLayerView.swift */,
 				34AC0A03211B39E800997B47 /* OWSNavigationBar.swift */,
+				342950872124CB0A0000B063 /* OWSSearchBar.h */,
+				342950862124CB0A0000B063 /* OWSSearchBar.m */,
+				342950812124C9750000B063 /* OWSTextField.h */,
+				3429507E2124C9740000B063 /* OWSTextField.m */,
+				342950802124C9740000B063 /* OWSTextView.h */,
+				3429507F2124C9740000B063 /* OWSTextView.m */,
 				34AC0A05211B39E900997B47 /* TappableStackView.swift */,
 				34AC09FD211B39E700997B47 /* TappableView.swift */,
 				34AC0A0D211B39EA00997B47 /* ThreadViewHelper.h */,
@@ -2520,6 +2538,7 @@
 				34AC09F1211B39B100997B47 /* LockInteractionController.h in Headers */,
 				346129B41FD1F7E800532771 /* OWSProfileManager.h in Headers */,
 				3421981521061A0700C57195 /* UIColor+JSQMessages.h in Headers */,
+				342950892124CB0A0000B063 /* OWSSearchBar.h in Headers */,
 				346129FA1FD5F31400532771 /* OWS100RemoveTSRecipientsMigration.h in Headers */,
 				346129E21FD5C0BE00532771 /* VersionMigrations.h in Headers */,
 				34AC09E8211B39B100997B47 /* NewNonContactConversationViewController.h in Headers */,
@@ -2542,12 +2561,14 @@
 				451F8A4A1FD715D9005CB9DA /* OWSContactAvatarBuilder.h in Headers */,
 				34480B5B1FD0A7E300BC14EF /* SignalMessaging-Prefix.pch in Headers */,
 				45194F921FD7215600333B2C /* OWSContactOffersInteraction.h in Headers */,
+				342950842124C9750000B063 /* OWSTextView.h in Headers */,
 				3478506A1FD9B78A007B8332 /* AppSetup.h in Headers */,
 				346129A51FD1F09100532771 /* OWSContactsManager.h in Headers */,
 				34480B681FD0AA9400BC14EF /* UIFont+OWS.h in Headers */,
 				45194F941FD7216000333B2C /* TSUnreadIndicatorInteraction.h in Headers */,
 				34AC09F5211B39B100997B47 /* SharingThreadPickerViewController.h in Headers */,
 				34AC09E0211B39B100997B47 /* SelectRecipientViewController.h in Headers */,
+				342950852124C9750000B063 /* OWSTextField.h in Headers */,
 				45194F901FD7200000333B2C /* ThreadUtil.h in Headers */,
 				346129CC1FD2072E00532771 /* NSAttributedString+OWS.h in Headers */,
 				346129FD1FD5F31400532771 /* OWS102MoveLoggingPreferenceToUserDefaults.h in Headers */,
@@ -3159,8 +3180,11 @@
 				34074F61203D0CBE004596AE /* OWSSounds.m in Sources */,
 				346129B51FD1F7E800532771 /* OWSProfileManager.m in Sources */,
 				346129701FD1D74C00532771 /* Release.m in Sources */,
+				342950832124C9750000B063 /* OWSTextView.m in Sources */,
 				3421981321061A0700C57195 /* JSQMessagesAvatarImageFactory.m in Sources */,
 				452EC6E1205FF5DC000E787C /* Bench.swift in Sources */,
+				342950882124CB0A0000B063 /* OWSSearchBar.m in Sources */,
+				342950822124C9750000B063 /* OWSTextField.m in Sources */,
 				34AC0A13211B39EA00997B47 /* DisappearingTimerConfigurationView.swift in Sources */,
 				3478506C1FD9B78A007B8332 /* NoopNotificationsManager.swift in Sources */,
 				34480B621FD0A98800BC14EF /* UIColor+OWS.m in Sources */,

Signal/src/ViewControllers/ContactsPicker.swift

@@ -102,9 +102,8 @@ public class ContactsPicker: OWSViewController, UITableViewDelegate, UITableView
         tableView.delegate = self
         tableView.dataSource = self
 
-        let searchBar = UISearchBar()
+        let searchBar = OWSSearchBar()
         self.searchBar = searchBar
-        searchBar.searchBarStyle = .minimal
         searchBar.delegate = self
         searchBar.sizeToFit()
 
@@ -117,10 +116,6 @@ public class ContactsPicker: OWSViewController, UITableViewDelegate, UITableView
         self.view.backgroundColor = Theme.backgroundColor
         self.tableView.backgroundColor = Theme.backgroundColor
 
-        self.searchBar.backgroundColor = Theme.searchBarBackgroundColor
-        self.searchBar.barStyle = Theme.barStyle
-        self.searchBar.searchBarStyle = Theme.searchBarStyle
-        self.searchBar.barTintColor = Theme.backgroundColor
         searchBar.placeholder = NSLocalizedString("INVITE_FRIENDS_PICKER_SEARCHBAR_PLACEHOLDER", comment: "Search")
 
         // Auto size cells for dynamic type

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageTextView.h

@@ -2,9 +2,11 @@
 //  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
+#import <SignalMessaging/OWSTextView.h>
+
 NS_ASSUME_NONNULL_BEGIN
 
-@interface OWSMessageTextView : UITextView
+@interface OWSMessageTextView : OWSTextView
 
 @property (nonatomic) BOOL shouldIgnoreEvents;
 

Signal/src/ViewControllers/ConversationView/ConversationInputTextView.h

@@ -2,6 +2,8 @@
 //  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
+#import <SignalMessaging/OWSTextView.h>
+
 NS_ASSUME_NONNULL_BEGIN
 
 @class SignalAttachment;
@@ -24,7 +26,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark -
 
-@interface ConversationInputTextView : UITextView
+@interface ConversationInputTextView : OWSTextView
 
 @property (weak, nonatomic) id<ConversationInputTextViewDelegate> inputTextViewDelegate;
 

Signal/src/ViewControllers/GifPicker/GifPickerViewController.swift

@@ -63,7 +63,7 @@ class GifPickerViewController: OWSViewController, UISearchBarDelegate, UICollect
         self.thread = thread
         self.messageSender = messageSender
 
-        self.searchBar = UISearchBar()
+        self.searchBar = OWSSearchBar()
         self.layout = GifPickerLayout()
         self.collectionView = UICollectionView(frame: CGRect.zero, collectionViewLayout: self.layout)
 
@@ -157,14 +157,9 @@ class GifPickerViewController: OWSViewController, UISearchBarDelegate, UICollect
         self.automaticallyAdjustsScrollViewInsets = false
 
         // Search
-        searchBar.searchBarStyle = .minimal
         searchBar.delegate = self
         searchBar.placeholder = NSLocalizedString("GIF_VIEW_SEARCH_PLACEHOLDER_TEXT",
                                                   comment: "Placeholder text for the search field in GIF view")
-        searchBar.backgroundColor = Theme.searchBarBackgroundColor
-        searchBar.barStyle = Theme.barStyle
-        searchBar.searchBarStyle = Theme.searchBarStyle
-        searchBar.barTintColor = Theme.backgroundColor
 
         self.view.addSubview(searchBar)
         searchBar.autoPinWidthToSuperview()

Signal/src/ViewControllers/HomeView/HomeViewController.m

@@ -257,10 +257,6 @@ - (void)applyTheme
 
     self.view.backgroundColor = Theme.backgroundColor;
     self.tableView.backgroundColor = Theme.backgroundColor;
-    self.searchBar.backgroundColor = Theme.searchBarBackgroundColor;
-    self.searchBar.barTintColor = Theme.backgroundColor;
-    self.searchBar.barStyle = Theme.barStyle;
-    self.searchBar.searchBarStyle = Theme.searchBarStyle;
 }
 
 #pragma mark - View Life Cycle
@@ -401,7 +397,7 @@ - (void)viewDidLoad
 
     // Search
 
-    UISearchBar *searchBar = [UISearchBar new];
+    UISearchBar *searchBar = [OWSSearchBar new];
     _searchBar = searchBar;
     searchBar.placeholder = NSLocalizedString(@"HOME_VIEW_CONVERSATION_SEARCHBAR_PLACEHOLDER",
         @"Placeholder text for search bar which filters conversations.");

Signal/src/ViewControllers/LongTextViewController.swift

@@ -60,7 +60,7 @@ public class LongTextViewController: OWSViewController {
     private func createViews() {
         view.backgroundColor = Theme.backgroundColor
 
-        let messageTextView = UITextView()
+        let messageTextView = OWSTextView()
         self.messageTextView = messageTextView
         messageTextView.font = UIFont.ows_dynamicTypeBody
         messageTextView.backgroundColor = Theme.backgroundColor

Signal/src/ViewControllers/NewContactThreadViewController.m

@@ -96,15 +96,10 @@ - (void)loadView
     self.navigationItem.rightBarButtonItem = newGroupButton;
 
     // Search
-    UISearchBar *searchBar = [UISearchBar new];
+    UISearchBar *searchBar = [OWSSearchBar new];
     _searchBar = searchBar;
-    searchBar.searchBarStyle = UISearchBarStyleMinimal;
     searchBar.delegate = self;
     searchBar.placeholder = NSLocalizedString(@"SEARCH_BYNAMEORNUMBER_PLACEHOLDER_TEXT", @"");
-    searchBar.backgroundColor = Theme.searchBarBackgroundColor;
-    searchBar.barStyle = Theme.barStyle;
-    searchBar.searchBarStyle = Theme.searchBarStyle;
-    searchBar.barTintColor = Theme.backgroundColor;
     [searchBar sizeToFit];
 
     _tableViewController = [OWSTableViewController new];

Signal/src/ViewControllers/NewGroupViewController.m

@@ -155,7 +155,7 @@ - (UIView *)firstSectionHeader
     [avatarView autoSetDimension:ALDimensionHeight toSize:kNewGroupViewControllerAvatarWidth];
     [self updateAvatarView];
 
-    UITextField *groupNameTextField = [UITextField new];
+    UITextField *groupNameTextField = [OWSTextField new];
     _groupNameTextField = groupNameTextField;
     groupNameTextField.textColor = Theme.primaryColor;
     groupNameTextField.font = [UIFont ows_dynamicTypeTitle2Font];

Signal/src/ViewControllers/OWS2FASettingsViewController.m

@@ -111,7 +111,7 @@ - (UILabel *)createLabelWithText:(NSString *)text
 
 - (void)createPinTextfield
 {
-    self.pinTextfield = [UITextField new];
+    self.pinTextfield = [OWSTextField new];
     self.pinTextfield.textColor = [Theme primaryColor];
     self.pinTextfield.font = [UIFont ows_mediumFontWithSize:ScaleFromIPhone5To7Plus(30.f, 36.f)];
     self.pinTextfield.textAlignment = NSTextAlignmentCenter;

Signal/src/ViewControllers/ProfileViewController.m

@@ -121,7 +121,7 @@ - (void)createViews
     if (UIDevice.currentDevice.isShorterThanIPhone5) {
         nameTextField = [DismissableTextField new];
     } else {
-        nameTextField = [UITextField new];
+        nameTextField = [OWSTextField new];
     }
     _nameTextField = nameTextField;
     nameTextField.font = [UIFont ows_mediumFontWithSize:18.f];

Signal/src/ViewControllers/Registration/CodeVerificationViewController.m

@@ -152,7 +152,7 @@ - (void)createViews
     if (UIDevice.currentDevice.isShorterThanIPhone5) {
         _challengeTextField = [DismissableTextField new];
     } else {
-        _challengeTextField = [UITextField new];
+        _challengeTextField = [OWSTextField new];
     }
 
     _challengeTextField.textColor = [UIColor blackColor];

Signal/src/ViewControllers/Registration/RegistrationViewController.m

@@ -195,7 +195,7 @@ - (void)createViews
     if (UIDevice.currentDevice.isShorterThanIPhone5) {
         phoneNumberTextField = [DismissableTextField new];
     } else {
-        phoneNumberTextField = [UITextField new];
+        phoneNumberTextField = [OWSTextField new];
     }
 
     phoneNumberTextField.textAlignment = NSTextAlignmentRight;

Signal/src/ViewControllers/ThreadSettings/UpdateGroupViewController.m

@@ -191,7 +191,7 @@ - (UIView *)firstSectionHeader
     _groupAvatar = self.thread.groupModel.groupImage;
     [self updateAvatarView];
 
-    UITextField *groupNameTextField = [UITextField new];
+    UITextField *groupNameTextField = [OWSTextField new];
     _groupNameTextField = groupNameTextField;
     self.groupNameTextField.text = [self.thread.groupModel.groupName ows_stripped];
     groupNameTextField.textColor = [Theme primaryColor];

Signal/src/views/PinEntryView.m

@@ -62,7 +62,7 @@ - (void)createPinTextfield
     if (UIDevice.currentDevice.isShorterThanIPhone5) {
         self.pinTextfield = [DismissableTextField new];
     } else {
-        self.pinTextfield = [UITextField new];
+        self.pinTextfield = [OWSTextField new];
     }
 
     self.pinTextfield.textColor = [Theme primaryColor];

SignalMessaging/SignalMessaging.h

@@ -14,12 +14,16 @@ FOUNDATION_EXPORT const unsigned char SignalMessagingVersionString[];
 #import <SignalMessaging/AppSetup.h>
 #import <SignalMessaging/AttachmentSharing.h>
 #import <SignalMessaging/BlockListUIUtils.h>
+#import <SignalMessaging/ContactCellView.h>
 #import <SignalMessaging/ContactTableViewCell.h>
 #import <SignalMessaging/ContactsViewHelper.h>
+#import <SignalMessaging/CountryCodeViewController.h>
 #import <SignalMessaging/DebugLogger.h>
 #import <SignalMessaging/Environment.h>
+#import <SignalMessaging/LockInteractionController.h>
 #import <SignalMessaging/NSAttributedString+OWS.h>
 #import <SignalMessaging/NSString+OWS.h>
+#import <SignalMessaging/NewNonContactConversationViewController.h>
 #import <SignalMessaging/OWSAudioPlayer.h>
 #import <SignalMessaging/OWSContactAvatarBuilder.h>
 #import <SignalMessaging/OWSContactOffersInteraction.h>
@@ -32,13 +36,17 @@ FOUNDATION_EXPORT const unsigned char SignalMessagingVersionString[];
 #import <SignalMessaging/OWSNavigationController.h>
 #import <SignalMessaging/OWSProfileManager.h>
 #import <SignalMessaging/OWSQuotedReplyModel.h>
+#import <SignalMessaging/OWSSearchBar.h>
 #import <SignalMessaging/OWSSounds.h>
 #import <SignalMessaging/OWSTableViewController.h>
+#import <SignalMessaging/OWSTextField.h>
+#import <SignalMessaging/OWSTextView.h>
 #import <SignalMessaging/OWSUnreadIndicator.h>
 #import <SignalMessaging/OWSUserProfile.h>
 #import <SignalMessaging/OWSWindowManager.h>
 #import <SignalMessaging/Release.h>
 #import <SignalMessaging/ScreenLockViewController.h>
+#import <SignalMessaging/SelectRecipientViewController.h>
 #import <SignalMessaging/SharingThreadPickerViewController.h>
 #import <SignalMessaging/SignalKeyingStorage.h>
 #import <SignalMessaging/TSUnreadIndicatorInteraction.h>
@@ -50,11 +58,6 @@ FOUNDATION_EXPORT const unsigned char SignalMessagingVersionString[];
 #import <SignalMessaging/UIUtil.h>
 #import <SignalMessaging/UIView+OWS.h>
 #import <SignalMessaging/UIViewController+OWS.h>
-#import <SignalMessaging/ContactCellView.h>
-#import <SignalMessaging/CountryCodeViewController.h>
-#import <SignalMessaging/LockInteractionController.h>
-#import <SignalMessaging/SelectRecipientViewController.h>
-#import <SignalMessaging/NewNonContactConversationViewController.h>
 #import <SignalMessaging/VersionMigrations.h>
 #import <SignalMessaging/ViewControllerUtils.h>
 #import <SignalServiceKit/UIImage+OWS.h>

SignalMessaging/ViewControllers/CountryCodeViewController.m

@@ -3,6 +3,7 @@
 //
 
 #import "CountryCodeViewController.h"
+#import "OWSSearchBar.h"
 #import "PhoneNumberUtil.h"
 #import "UIColor+OWS.h"
 #import "UIFont+OWS.h"
@@ -45,15 +46,10 @@ - (void)loadView
 - (void)createViews
 {
     // Search
-    UISearchBar *searchBar = [UISearchBar new];
+    UISearchBar *searchBar = [OWSSearchBar new];
     _searchBar = searchBar;
-    searchBar.searchBarStyle = UISearchBarStyleMinimal;
     searchBar.delegate = self;
     searchBar.placeholder = NSLocalizedString(@"SEARCH_BYNAMEORNUMBER_PLACEHOLDER_TEXT", @"");
-    searchBar.backgroundColor = Theme.searchBarBackgroundColor;
-    searchBar.barStyle = Theme.barStyle;
-    searchBar.searchBarStyle = Theme.searchBarStyle;
-    searchBar.barTintColor = Theme.backgroundColor;
     [searchBar sizeToFit];
 
     self.tableView.tableHeaderView = searchBar;

SignalMessaging/ViewControllers/MessageApprovalViewController.swift

@@ -82,7 +82,7 @@ public class MessageApprovalViewController: OWSViewController, UITextViewDelegat
         recipientRow.autoPin(toTopLayoutGuideOf: self, withInset: 0)
 
         // Text View
-        textView = UITextView()
+        textView = OWSTextView()
         textView.delegate = self
         textView.backgroundColor = Theme.backgroundColor
         textView.textColor = Theme.primaryColor

SignalMessaging/ViewControllers/SelectRecipientViewController.m

@@ -158,7 +158,7 @@ - (UILabel *)examplePhoneNumberLabel
 - (UITextField *)phoneNumberTextField
 {
     if (!_phoneNumberTextField) {
-        _phoneNumberTextField = [UITextField new];
+        _phoneNumberTextField = [OWSTextField new];
         _phoneNumberTextField.font = [UIFont ows_mediumFontWithSize:18.f];
         _phoneNumberTextField.textAlignment = _phoneNumberTextField.textAlignmentUnnatural;
         _phoneNumberTextField.textColor = [UIColor ows_materialBlueColor];

SignalMessaging/ViewControllers/SelectThreadViewController.m

@@ -10,6 +10,7 @@
 #import "NSString+OWS.h"
 #import "NewNonContactConversationViewController.h"
 #import "OWSContactsManager.h"
+#import "OWSSearchBar.h"
 #import "OWSTableViewController.h"
 #import "ThreadViewHelper.h"
 #import "UIColor+OWS.h"
@@ -86,15 +87,10 @@ - (void)createViews
     OWSAssert(self.selectThreadViewDelegate);
 
     // Search
-    UISearchBar *searchBar = [UISearchBar new];
+    UISearchBar *searchBar = [OWSSearchBar new];
     _searchBar = searchBar;
-    searchBar.searchBarStyle = UISearchBarStyleMinimal;
     searchBar.delegate = self;
     searchBar.placeholder = NSLocalizedString(@"SEARCH_BYNAMEORNUMBER_PLACEHOLDER_TEXT", @"");
-    searchBar.backgroundColor = Theme.searchBarBackgroundColor;
-    searchBar.barStyle = Theme.barStyle;
-    searchBar.searchBarStyle = Theme.searchBarStyle;
-    searchBar.barTintColor = Theme.backgroundColor;
     [searchBar sizeToFit];
 
     UIView *header = [self.selectThreadViewDelegate createHeaderWithSearchBar:searchBar];

SignalMessaging/Views/OWSSearchBar.h

@@ -0,0 +1,11 @@
+//
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface OWSSearchBar : UISearchBar
+
+@end
+
+NS_ASSUME_NONNULL_END