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\u30dd\u30a4\u30f3\u30c8<\/font><\/p>\n\u30fbSlider\u306b Target-Action\u3092\u8a2d\u5b9a\u3059\u308b<\/font><\/p>\n<\/p>\n
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\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/font><\/p>\n@interface<\/font> <\/font>ViewController<\/font>()<\/font><\/p>\n@property<\/font> (nonatomic, strong) <\/font>UILabel<\/font> *level;<\/font><\/p>\n@property<\/font> (nonatomic, strong) <\/font>UISlider<\/font> *slider;<\/font><\/p>\n@end<\/font><\/p>\n<\/p>\n
@implementation<\/font> ViewController<\/font><\/p>\n@synthesize<\/font> level, slider;<\/font><\/p>\n<\/p>\n
– (<\/font>void<\/font>)viewDidLoad<\/font><\/p>\n{<\/font><\/p>\n\u00a0 \u00a0 <\/span>[<\/font>super<\/font> <\/font>viewDidLoad<\/font>];<\/font><\/p>\n\u00a0\u00a0 \u00a0<\/span><\/font><\/p>\n\u00a0 \u00a0 <\/span><\/font>\/\/ slider<\/font><\/p>\n\u00a0 \u00a0 <\/span><\/font>self<\/font>.<\/font>slider<\/font> = [[<\/font>UISlider<\/font> <\/font>alloc<\/font>] <\/font>initWithFrame<\/font>:<\/font>CGRectMake<\/font>(<\/font>20<\/font>, <\/font>50<\/font>, <\/font>100<\/font>, <\/font>0<\/font>)];<\/font><\/p>\n\u00a0 \u00a0 <\/span>[<\/font>self<\/font>.<\/font>slider<\/font> <\/font>addTarget<\/font>:<\/font>self<\/font> <\/font>action<\/font>:<\/font>@selector<\/font>(slide:) <\/font>forControlEvents<\/font>:<\/font>UIControlEventValueChanged<\/font>];<\/font><\/p>\n\u00a0 \u00a0 <\/span>[<\/font>self<\/font>.<\/font>view<\/font> <\/font>addSubview<\/font>:<\/font>self<\/font>.<\/font>slider<\/font>];<\/font><\/p>\n\u00a0\u00a0 \u00a0<\/span><\/font><\/p>\n\u00a0 \u00a0 <\/span><\/font>\/\/ label<\/font><\/p>\n\u00a0 \u00a0 <\/span><\/font>self<\/font>.<\/font>level<\/font> = [[<\/font>UILabel<\/font> <\/font>alloc<\/font>] <\/font>initWithFrame<\/font>:<\/font>CGRectMake<\/font>(<\/font>20<\/font>, <\/font>10<\/font>, <\/font>100<\/font>, <\/font>20<\/font>)];<\/font><\/p>\n\u00a0 \u00a0 <\/span>[<\/font>self<\/font>.<\/font>view<\/font> <\/font>addSubview<\/font>:<\/font>self<\/font>.<\/font>level<\/font>];<\/font><\/p>\n}<\/font><\/p>\n<\/p>\n
– (<\/font>void<\/font>)slide:(<\/font>UISlider<\/font>*)sender<\/font><\/p>\n{<\/font><\/p>\n\u00a0 \u00a0 <\/span><\/font>self<\/font>.<\/font>level<\/font>.<\/font>text<\/font> = [<\/font>NSString<\/font> <\/font>stringWithFormat<\/font>:<\/font>@”%f”<\/font>, sender.<\/font>value<\/font>];<\/font><\/p>\n}<\/font><\/p>\n<\/p>\n
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