#import <ReplayKit/ReplayKit.h>- (IBAction)onLiveButtonPressed:(id)sender {[RPBroadcastActivityViewController loadBroadcastActivityViewControllerWithHandler:^(RPBroadcastActivityViewController * _Nullable broadcastActivityViewController, NSError * _Nullable error) {self.broadcastAVC = broadcastActivityViewController;self.broadcastAVC.delegate = self;[self presentViewController:self.broadcastAVC animated:YES completion:nil];}];
}#pragma mark - RPBroadcastActivityViewControllerDelegate- (void)broadcastActivityViewController:(RPBroadcastActivityViewController *)broadcastActivityViewController didFinishWithBroadcastController:(nullable RPBroadcastController *)broadcastController error:(nullable NSError *)error {[self.broadcastAVC dismissViewControllerAnimated:YES completion:nil];self.broadcastController = broadcastController;[broadcastController startBroadcastWithHandler:^(NSError * _Nullable error) {if (!error) {self.liveButton.selected = YES;} else {NSLog(@"startBroadcastWithHandler error: %@", error);}}];
}

#import <ReplayKit/ReplayKit.h>@interface BroadcastViewController : UIViewController@end...- (IBAction)onCancelButtonPressed:(id)sender {[self userDidCancelSetup];
}- (IBAction)onOKButtonPressed:(id)sender {if (self.accountTextField.text.length == 0|| self.passwordTextField.text.length == 0|| self.channelIDTextField.text.length == 0) {return;}[self userDidFinishSetup];
}#pragma mark - Private// Called when the user has finished interacting with the view controller and a broadcast stream can start
- (void)userDidFinishSetup {NSLog(@"userDidFinishSetup");// Broadcast url that will be returned to the application
    NSURL *broadcastURL = [NSURL URLWithString:@"http://broadcastURL_example/stream1"];
// Service specific broadcast data example which will be supplied to the process extension during broadcastNSDictionary *setupInfo = @{@"account" : self.accountTextField.text,
                                @"password" : self.passwordTextField.text,@"channelID" : @(self.channelIDTextField.text.integerValue)};
// Set broadcast settingsRPBroadcastConfiguration *broadcastConfig = [[RPBroadcastConfiguration alloc] init];broadcastConfig.clipDuration = 5.0; // deliver movie clips every 5 seconds// Tell ReplayKit that the extension is finished setting up and can begin broadcasting[self.extensionContext completeRequestWithBroadcastURL:broadcastURL broadcastConfiguration:broadcastConfig setupInfo:setupInfo];
}- (void)userDidCancelSetup {// Tell ReplayKit that the extension was cancelled by the user[self.extensionContext cancelRequestWithError:[NSError errorWithDomain:@"YourAppDomain" code:-1     userInfo:nil]];
}

#import <ReplayKit/ReplayKit.h>@interface SampleHandler : RPBroadcastSampleHandler@end...//  To handle samples with a subclass of RPBroadcastSampleHandler set the following in the extension's Info.plist file:
//  - RPBroadcastProcessMode should be set to RPBroadcastProcessModeSampleBuffer
//  - NSExtensionPrincipalClass should be set to this class@implementation SampleHandler- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {// User has requested to start the broadcast. Setup info from the UI extension will be supplied.NSLog(@"broadcastStartedWithSetupInfo: %@", setupInfo);[[ReplayKitUploader sharedObject] setupWithInfo:setupInfo];
}- (void)broadcastPaused {// User has requested to pause the broadcast. Samples will stop being delivered.
}- (void)broadcastResumed {// User has requested to resume the broadcast. Samples delivery will resume.
}- (void)broadcastFinished {// User has requested to finish the broadcast.
}- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer withType:(RPSampleBufferType)sampleBufferType {[[ReplayKitUploader sharedObject] handleSampleBuffer:sampleBuffer withType:sampleBufferType];
}@end