ios擴充的一些知識點

標籤：ios   extends   

ios擴充的一些知識點by 伍雪穎

- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {    if (coordinator) {            }else {            }}導航顯示內容:- (void)widgetPerformUpdateWithCompletionHandler:(Void) (^)(NCUpdateResult))completionHandler {    [self getPosts:^(BOOL didUpdate) {            }];}系統分享功能:self.audienceConfigurationItem.tapHandler = ^{ShareViewController *strongSelf = weakSelf;if (strongSelf) {AudiencePickerViewController *audiencePicker = [[AudiencePickerViewController alloc] init];audiencePicker.delegate = strongSelf;audiencePicker.selectedAudience = strongSelf.audience;[strongSelf pushConfigurationViewController:audiencePicker];}}- (void)AudiencePickerViewController:(AudiencePickerViewController *)audiencePickerViewController didSelectAudience:(NSString *)audience {self.audience = audience;self.audienceConfigurationItem.value = self.audience;double delayInSeconds = 0.4;dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW,delayInSeconds * NSEC_PER_SEC);dispatch_after(popTime,disptach_get_main_queue(),^(void) {[self popConfigurationViewController];});}