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我改变了CTCallCenter与CXCallObserver在iOS的10iOS 10:如何使用CallKit/CXCallObserver获取呼叫事件?
这里是我的代码:
#import <CallKit/CXCallObserver.h>
#import <CallKit/CXCall.h>
-(void)viewDidLoad {
CXCallObserver *callObserver = [[CXCallObserver alloc] init];
[callObserver setDelegate:self queue:nil];
... ...
}
- (void)callObserver:(CXCallObserver *)callObserver callChanged:(CXCall *)call {
if (call.hasConnected) {
NSLog(@"********** voice call connected **********/n");
} else if(call.hasEnded) {
NSLog(@"********** voice call disconnected **********/n");
}
}
但我不能让语音呼叫事件,我得到了这样的警告:
Sending 'HomeViewController *const __strong' to parameter of incompatible type 'id<CXCallObserverDelegate> _Nullable
请帮帮我。