make country code info nscopying

Author: morganchen12

FirebasePhoneAuthUI/Sources/FUICountryCodes.h

@@ -18,7 +18,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface FUICountryCodeInfo : NSObject
+@interface FUICountryCodeInfo : NSObject <NSCopying>
 
 @property (nonatomic, copy) NSString *countryName;
 @property (nonatomic, copy) NSString *localizedCountryName;

FirebasePhoneAuthUI/Sources/FUICountryCodes.m

@@ -57,6 +57,31 @@ - (NSString *)countryFlagEmoji {
                                   length:sizeof(bytes)
                                 encoding:NSUTF32LittleEndianStringEncoding];
 }
+
+- (id)copyWithZone:(NSZone *_Nullable)zone {
+  FUICountryCodeInfo *newInfo = [[FUICountryCodeInfo alloc] init];
+  newInfo.countryName = self.countryName;
+  newInfo.localizedCountryName = self.localizedCountryName;
+  newInfo.countryCode = self.countryCode;
+  newInfo.dialCode = self.dialCode;
+  newInfo.level = self.level;
+  return newInfo;
+}
+
+- (BOOL)isEqual:(FUICountryCodeInfo *)object {
+  if (object == self) {
+    return YES;
+  }
+  if (![object isKindOfClass:[self class]]) {
+    return NO;
+  }
+  return object.countryName == self.countryName &&
+      object.localizedCountryName == self.localizedCountryName &&
+      object.countryCode == self.countryCode &&
+      object.dialCode == self.dialCode &&
+      object.level == self.level;
+}
+
 @end
 
 @interface FUICountryCodes ()

samples/swift/FirebaseUI-demo-swift/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>FacebookClientToken</key>
+	<string>aaaaa</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>

samples/swift/FirebaseUI-demo-swift/Samples/Auth/FUIAuthViewController.swift

@@ -323,7 +323,9 @@ class FUIAuthViewController: UITableViewController {
               provider = nil
             }
           case Providers.Phone.rawValue:
-            provider = FUIPhoneAuth(authUI: self.authUI!)
+            let phoneAuth = FUIPhoneAuth(authUI: self.authUI!)
+            phoneAuth.defaultCountryCode = "JP"
+            provider = phoneAuth
           default: provider = nil
           }