uilabel *label =[[ uilabel alloc] init];label.text = @"
***"
;label.frame = cgrectmake(0,0,100,100
) ;label.backgroundcolor =[uicolor redcolor];
//新增事件。
label.userinteractionenabled =yes;
uitapgesturerecognizer *singletap =[[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(handlesingletap:)];
[label addgesturerecognizer:singletap];
[singletap release];
[self.view addsubview:label];
[label release] ;
//事件方法
- (void)handlesingletap:(uigesturerecognizer *)gesturerecognizer
#import"labeltestviewcontroller.h
"@implementation
labeltestviewcontroller
/*accessing the text attributes
text property
font property
textcolor property
textalignment property
linebreakmode property
enabled property
sizing the label』s text
adjustsfontsizetofitwidth property
baselineadjustment property
minimumfontsize property 無例
numberoflines property
managing highlight values
highlightedtextcolor property
highlighted property
drawing a shadow
shadowcolor property
shadowoffset property
drawing and positioning overrides
– textrectforbounds:limitedtonumberoflines: 無例
– drawtextinrect: 無例
setting and getting attributes
userinteractionenabled property */
//implement viewdidload to do additional setup after loading the view, typically from a nib.
- (void
)viewdidload uilinebreakmode;
//如果adjustsfontsizetofitwidth屬性設定為yes，這個屬性就來控制文字基線的行為
label4.baselineadjustment =uibaselineadjustmentnone;
//typedef enum uibaselineadjustment;
[self.view addsubview:label1];
[self.view addsubview:label2];
[self.view addsubview:label3];
[self.view addsubview:label4];
[self.view addsubview:label5];
[self.view addsubview:label6];
[self.view addsubview:label7];
[label1 release];
[label2 release];
[label3 release];
[label4 release];
[label5 release];
[label6 release];
[label7 release];
[super viewdidload];
}
/*// override to allow orientations other than the default portrait orientation.
- (bool)shouldautorotatetointe***ceorientation:(uiinte***ceorientation)inte***ceorientation
*/
- (void
)didreceivememorywarning
- (void
)viewdidunload
- (void
)dealloc
@end
label中文字跑馬燈效果uilabel *label = [[uilabel alloc] initwithframe:cgrectmake(10, 10, 300, 100
)]; label.text = @"
嚕啦啦嚕啦啦嚕啦嚕啦嚕，嚕啦嚕啦嚕啦嚕啦嚕啦嚕~~~";
[self.view addsubview:label];
cgrect frame =label7.frame;
frame.origin.x = -180
;label.frame =frame;
[uiview beginanimations:
@"testanimation
"context:null];
[uiview setanimationduration:
8.8f
];
[uiview setanimationcurve:uiviewanimationcurvelinear];
[uiview setanimationdelegate:self];
[uiview setanimationrepeatautoreverses:no];
[uiview setanimationrepeatcount:
999999
]; frame =label.frame;
frame.origin.x = 350
;label.frame =frame;
[uiview commitanimations];
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