UIViewã§æ‰‹è»½ã«ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’実行ã™ã‚‹æ–¹æ³• - プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãƒŽãƒ¼ãƒˆUIViewã«ã¯ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³é–¢é€£ãƒ¡ã‚½ãƒƒãƒ‰ãŒç”¨æ„ã•ã‚Œã¦ã„ã‚‹ã®ã§ã€ãŠæ‰‹è»½ã«ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’実行ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ボタンã€ãƒ©ãƒ™ãƒ«ã€ç”»åƒãªã©ã¯å…¨ã¦UIViewを継承ã—ã¦ã„ã‚‹ã®ã§åŸºæœ¬çš„ã«å…¨ã¦åŒã˜æ–¹æ³•ã§å®Ÿè¡Œå¯èƒ½ã§ã™ã€‚ ã¾ãšã¯UIViewã®åˆæœŸåŒ–メソッドã§UIButtonを生æˆã—ã¦Viewã«è¿½åŠ ã—ã¦ãŠãã¾ã™ã€‚ã“ã®ãƒœã‚¿ãƒ³ãŒæŠ¼ã•ã‚Œã‚‹ã¨@selector()ã§æŒ‡å®šã—ã¦ã‚るメソッドãŒå‘¼ã°ã‚Œã‚‹ã®ã§ã€ãã“ã§ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’実行ã—ã¾ã™ã€‚ - (id)initWithFrame:(CGRect)frame { if (self = [super initWithFrame:frame]) { self.backgroundColor = [UIColor whiteColor]; // button UIButton *btn= [UIButton buttonWithType:UIButtonTypeRounde
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