前言
前一阵公司App要实现Siri语音转账的功能，百度了很久，没有找到详细的教程，于是在查阅了多年WWDC视频资料后，终于实现了，今天就这一个功能详细的讲解一下，希望对大家有所帮助。
一、工程基本配置
创建一个普通的xcode工程，然后进行如下配置
1、在工程的 Signing&Capabilities 中，点击 +Capability ，添加Siri
Signing&Capabilities.png
添加完成后是这个样子的
siri.png
2、添加siri权限申请
权限申请.png
3、在
AppDelegate 中，导入 #import <Intents/Intents.h> 头文件，添加如下代码
#import "AppDelegate.h"
#import <Intents/Intents.h>
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
[INPreferences requestSiriAuthorization:^(INSiriAuthorizationStatus status) {
NSLog(@"%ld", (long)status);
}];
return YES;
}
此时运行工程，会出现Siri权限申请，点击好。
权限提示.png
至此，工程基本配置完成，接下来进行第二步。
二、添加Siri扩展
1、依次点击 Xcode -> File -> New -> Target ，选择 iOS -> Intents Extension 。
Intents Extension.png
填写
Product Name 点击 Finish 完成操作。 Include UI Extension 默认勾选，不要取消选中，后续需要用到。
Extension.png
此时会弹出提示框，选择
Active 。
Active.png
至此，会新增两个
Target ， SIRIPaymentExtension 和 SIRIPaymentExtensionUI ，接下来我们进行第三步。
三、 SIRIPaymentExtension 、 SIRIPaymentExtensionUI 配置
1、对 SIRIPaymentExtension -> info.plist -> NSExtension -> NSExtensionAttributes 中的 IntentsRestrictedWhileLocked 以及 IntentsSupported 进行调整，删除现有的配置，添加 INSendPaymentIntent (转账)，调整后如下
infoPlist.png
IntentsSupported表示所支持的功能，IntentsRestrictedWhileLocked表示解锁手机才能使用的功能，因为转账属于隐私的功能，所以需要解锁手机才能使用。2、对
SIRIPaymentExtensionUI 也进行相同的配置， SIRIPaymentExtensionUI 只需要配置 IntentsSupported ，调整后如下。
infoPlist2.png
准备工作基本完成，接下来进入代码编写。
四、 SIRIPaymentExtension 编写代码
1、 SIRIPaymentExtension 目录，创建一个继承自 NSObject 的转账处理类，这里我们命名为 SIRISendPaymentIntentHandler ，点击 Next ，Targets选择 SIRIPaymentExtension 。
SIRISendPaymentIntentHandler.png
2、调整默认创建的
IntentHandler 代码结构，删除无用代码，调整后的代码如下
//
// IntentHandler.m
// SIRIPaymentExtension
//
// Created by 宋法键 on 2020/9/24.
// Copyright © 2020 SFJ. All rights reserved.
//
#import "IntentHandler.h"
#import "SIRISendPaymentIntentHandler.h"
@interface IntentHandler ()
@end
@implementation IntentHandler
- (id)handlerForIntent:(INIntent *)intent {
// 如果是转账请求，那么返回我们自己创建的转账处理类 SIRISendPaymentIntentHandler
if ([intent isKindOfClass:[INSendPaymentIntent class]]) {
return [[SIRISendPaymentIntentHandler alloc] init];
}
return self;
}
@end
3、接下来我们编写 SIRISendPaymentIntentHandler 中的代码
为实现Siri转账，首先我们要添加 <INSendPaymentIntentHandling> 代理方法
#import "SIRISendPaymentIntentHandler.h"
#import <Intents/Intents.h>
@interface SIRISendPaymentIntentHandler ()<INSendPaymentIntentHandling>
@end
然后实现以下几个功能
- 解析收款人（
Resolve）
@implementation SIRISendPaymentIntentHandler
//Resolve - payee 解析收款人 iOS10.0
- (void)resolvePayeeForSendPayment:(INSendPaymentIntent *)intent withCompletion:(void (^)(INPersonResolutionResult * _Nonnull))completion {
if (intent.payee == nil || !intent.payee.displayName.length) {
//如果收款人为空，那么请求siri，需要收款人或者不处理
//Siri对中文名字的识别有些问题，所以最好写notRequired
INPersonResolutionResult *resolutionResult = [INPersonResolutionResult notRequired];
completion(resolutionResult);
}
else {
//收款人不为空，确认收款人信息
INPersonResolutionResult *resolutionResult = [INPersonResolutionResult successWithResolvedPerson:intent.payee];
completion(resolutionResult);
}
}
//Resolve - payee 解析收款人 iOS11.0
- (void)resolvePayeeForSendPayment:(INSendPaymentIntent *)intent completion:(void (^)(INSendPaymentPayeeResolutionResult * _Nonnull))completion API_AVAILABLE(ios(11.0)){
if (intent.payee == nil) {
INSendPaymentPayeeResolutionResult *resolutionResult = [INSendPaymentPayeeResolutionResult notRequired];
completion(resolutionResult);
}
else {
INSendPaymentPayeeResolutionResult *resolutionResult = [INSendPaymentPayeeResolutionResult successWithResolvedPerson:intent.payee];
completion(resolutionResult);
}
}
- 解析货币以及金额（
Resolve）
//Resolve - currency 解析货币 iOS10.0
- (void)resolveCurrencyAmountForSendPayment:(INSendPaymentIntent *)intent withCompletion:(void (^)(INCurrencyAmountResolutionResult * _Nonnull))completion {
INCurrencyAmount *currencyAmount = intent.currencyAmount;
if (currencyAmount == nil) {
//金额为空，请求siri，需要转账金额
INCurrencyAmountResolutionResult *resolutionResult = [INCurrencyAmountResolutionResult needsValue];
completion(resolutionResult);
}
else if ([currencyAmount.currencyCode isEqualToString:@"CNY"]) {
//如果币种不是人民币，将接收到的币种转化为人民币
INCurrencyAmount *newCurrencyAmount = [[INCurrencyAmount alloc] initWithAmount:currencyAmount.amount currencyCode:@"CNY"];
INCurrencyAmountResolutionResult *resolutionResult = [INCurrencyAmountResolutionResult successWithResolvedCurrencyAmount:newCurrencyAmount];
completion(resolutionResult);
}
else {
INCurrencyAmountResolutionResult *resolutionResult = [INCurrencyAmountResolutionResult successWithResolvedCurrencyAmount:currencyAmount];
completion(resolutionResult);
}
}
//Resolve - currency 解析货币单位 iOS11.0
- (void)resolveCurrencyAmountForSendPayment:(INSendPaymentIntent *)intent completion:(void (^)(INSendPaymentCurrencyAmountResolutionResult * _Nonnull))completion API_AVAILABLE(ios(11.0)){
INCurrencyAmount *currencyAmount = intent.currencyAmount;
if (currencyAmount == nil || currencyAmount.amount == nil) {
INSendPaymentCurrencyAmountResolutionResult *resolutionResult = [INSendPaymentCurrencyAmountResolutionResult needsValue];
completion(resolutionResult);
}
else if (![currencyAmount.currencyCode isEqualToString:@"CNY"]) {
//货币格式转化为人民币
INCurrencyAmount *newCurrencyAmount = [[INCurrencyAmount alloc] initWithAmount:currencyAmount.amount currencyCode:@"CNY"];
INSendPaymentCurrencyAmountResolutionResult *resolutionResult = [INSendPaymentCurrencyAmountResolutionResult successWithResolvedCurrencyAmount:newCurrencyAmount];
completion(resolutionResult);
} else {
INSendPaymentCurrencyAmountResolutionResult *resolutionResult = [INSendPaymentCurrencyAmountResolutionResult successWithResolvedCurrencyAmount:currencyAmount];
completion(resolutionResult);
}
}
- 确认货币以及金额（
Confirm）
//Confirm - 确认金额信息
- (void)confirmSendPayment:(INSendPaymentIntent *)intent completion:(void (^)(INSendPaymentIntentResponse * _Nonnull))completion {
NSUserActivity *userActivity = [[NSUserActivity alloc] initWithActivityType:NSStringFromClass([INSendPaymentIntent class])];
userActivity.title = @"转账";
userActivity.userInfo = @{@"displayName": intent.payee.displayName?:@"",
@"amount": intent.currencyAmount.amount};
//确认支付货币，否则系统会默认展示USD(美元)
INPaymentMethod *paymentMethod = [INPaymentMethod applePayPaymentMethod];
//status字段决定了siri转账页面底部的UI
INPaymentRecord *paymentRecord = [[INPaymentRecord alloc] initWithPayee:intent.payee payer:nil currencyAmount:intent.currencyAmount paymentMethod:paymentMethod note:intent.note status:(INPaymentStatusPending)];
INSendPaymentIntentResponse *sendPaymentIntentResponse = [[INSendPaymentIntentResponse alloc] initWithCode:(INSendPaymentIntentResponseCodeReady) userActivity:userActivity];
sendPaymentIntentResponse.paymentRecord = paymentRecord;
completion(sendPaymentIntentResponse);
}
- 处理请求（
Handle）
//Handle - 转账处理
- (void)handleSendPayment:(INSendPaymentIntent *)intent completion:(void (^)(INSendPaymentIntentResponse * _Nonnull))completion {
NSUserActivity *userActivity = [[NSUserActivity alloc] initWithActivityType:NSStringFromClass([INSendPaymentIntent class])];
userActivity.title = @"转账";
userActivity.userInfo = @{@"displayName": intent.payee.displayName?:@"",
@"amount": intent.currencyAmount.amount};
INSendPaymentIntentResponse *sendPaymentIntentResponse = [[INSendPaymentIntentResponse alloc] initWithCode:(INSendPaymentIntentResponseCodeInProgress) userActivity:userActivity];
completion(sendPaymentIntentResponse);
}
4、编写 IntentViewController 中的代码
//
// IntentViewController.m
// MobileBankSiriExtensionUI
//
// Created by 宋法键 on 2020/7/29.
// Copyright © 2020 Alibaba. All rights reserved.
//
#import "IntentViewController.h"
#import <Intents/Intents.h>
// As an example, this extension's Info.plist has been configured to handle interactions for INSendMessageIntent.
// You will want to replace this or add other intents as appropriate.
// The intents whose interactions you wish to handle must be declared in the extension's Info.plist.
// You can test this example integration by saying things to Siri like:
// "Send a message using <myApp>"
@interface IntentViewController ()< INUIHostedViewSiriProviding>
@property (weak, nonatomic) IBOutlet UILabel *amountLabel;
@end
@implementation IntentViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
}
#pragma mark - INUIHostedViewSiriProviding
- (BOOL)displaysPaymentTransaction {
return YES;;
}
#pragma mark - INUIHostedViewControlling
- (void)configureWithInteraction:(INInteraction *)interaction context:(INUIHostedViewContext)context completion:(void (^)(CGSize))completion {
if ([interaction.intent isKindOfClass:[INSendPaymentIntent class]] && (interaction.intentHandlingStatus == INIntentHandlingStatusReady)) {
INSendPaymentIntent *sendPaymentIntent = (INSendPaymentIntent *)interaction.intent;
self.amountLabel.text = [NSString stringWithFormat:@"￥%.2f", sendPaymentIntent.currencyAmount.amount.doubleValue];
if (completion) {
completion(CGSizeMake([self desiredSize].width, 200));
}
} else {
if (completion) {
completion(CGSizeZero);
}
}
}
// Prepare your view controller for the interaction to handle.
- (void)configureViewForParameters:(NSSet <INParameter *> *)parameters ofInteraction:(INInteraction *)interaction interactiveBehavior:(INUIInteractiveBehavior)interactiveBehavior context:(INUIHostedViewContext)context completion:(void (^)(BOOL success, NSSet <INParameter *> *configuredParameters, CGSize desiredSize))completion API_AVAILABLE(ios(11.0)){
// Do configuration here, including preparing views and calculating a desired size for presentation.
if ([interaction.intent isKindOfClass:[INSendPaymentIntent class]] &&
(interaction.intentHandlingStatus == INIntentHandlingStatusReady) &&
[[parameters anyObject].parameterKeyPath isEqualToString:@"currencyAmount"]) {
INSendPaymentIntent *sendPaymentIntent = (INSendPaymentIntent *)interaction.intent;
self.amountLabel.text = [NSString stringWithFormat:@"￥%.2f", sendPaymentIntent.currencyAmount.amount.doubleValue];
completion(YES, parameters, CGSizeMake([self desiredSize].width, 200));
} else {
completion(YES, parameters, CGSizeZero);
}
}
- (CGSize)desiredSize {
return [self extensionContext].hostedViewMaximumAllowedSize;
}
@end
MainInterface.storyboard 中的截图如下
MainInterface.png
至此，Siri转账的处理完成，我们来开一下运行的效果
first.png
second.png
third.png
但是，我们还没有接收Siri传递过来的转账信息，所以，我们需要在 AppDelegate 中接收以下传递过来的信息。
五、转账信息接收与处理
Siri打开App以后我们需要接收以下传递过来的收款人以及金额，因此，在AppDelegate添加如下代码
- (BOOL)application:(UIApplication *)application continueUserActivity:(NSUserActivity *)userActivity restorationHandler:(void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler
{
if (@available(iOS 10.0, *)) {
dispatch_async(dispatch_get_main_queue(), ^{
if ([userActivity.interaction.intent isKindOfClass:[INSendPaymentIntent class]]) {
INSendPaymentIntent *sendPaymentIntent = (INSendPaymentIntent *)(userActivity.interaction.intent);
NSString *displayName = sendPaymentIntent.payee.displayName;
NSString *amount = [NSString stringWithFormat:@"%@", sendPaymentIntent.currencyAmount.amount];
NSLog(@"displayName: %@ -- amount: %@", displayName, amount);
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
NSString *title = [NSString stringWithFormat:@"收款人:%@", displayName];
NSString *message = [NSString stringWithFormat:@"金额:%@", amount];
UIAlertView *alt = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:@"好" otherButtonTitles: nil];
[alt show];
});
}
});
}
return YES;
}
alert.png
到这里，你已经可以拿到所需要的收款人姓名以及金额了，接下来就看自己的业务需要，然后进行处理了
小技巧
选中 SIRIPaymentExtension target 然后 Edit Scheme ，在 Run -> Info -> Siri Intent Query 添加你想要说的信息，比如“给张帆转账100元”，然后直接运行，即可，就不需要傻傻的对着手机说了。
Query.png
网友评论