実装方法
基本は次の４ステップStep1.プロトコルを定義
Step2.delegateを追加
Step3.任意の場所でEventを返却
Step4.利用する
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| /* ======================================== | |
| イベント実装のサンプル | |
| xxx.h/xxx.m イベント通知側 | |
| yyy.h/yyy.m イベント受け側 | |
| ======================================== */ | |
| /* ======================================== | |
| Step1.プロトコルを定義（xxx.h はたは 別ファイル） | |
| ======================================== */ | |
| @protocol aaaDelegate <NSObject> | |
| @optional | |
| -(void)aaaEvents:(NSString *)text ; | |
| @end | |
| /* ======================================== | |
| Step2.delegateを追加（xxx.h & xxx.m） | |
| ======================================== */ | |
| //（xxx.h）プロパティでdelegateを用意 | |
| @interface xxxView : UIView { | |
| id<aaaDelegate> _delegate; | |
| } | |
| @property (nonatomic, assign) id<aaaDelegate> delegate; | |
| //（xxx.m）プロパティとして追加 | |
| @synthesize delegate = _delegate; | |
| /* ======================================== | |
| Step3.任意の場所でEventを返却（xxx.m） | |
| ======================================== */ | |
| if ([_delegate respondsToSelector:@selector(aaaEvents:)]){ | |
| [_delegate aaaEvents:_text]; | |
| } | |
| /* ======================================== | |
| Step4.利用する（yyy.h & yyy.m） | |
| ======================================== */ | |
| //（yyy.h）使用するクラス名にProtocolを追加 | |
| @interface yyyView : UIView<aaaDelegate> | |
| //（yyy.m）自信にDelegate追加 | |
| - (void)loadView { | |
| xxxView.delegate = self; | |
| } | |
| //（yyy.m）イベント | |
| -(void)aaaEvents:(NSString *)text { | |
| //イベント時の処理を追加 | |
| } |
