IOS Uilabe and Uifont Usage Summary

Initializes a Uilabel object and initializes the size of the

UILabel * label = [[UILabel alloc]initwithframe: CGRectMake (+ )];

Set the displayed text

Label. text=@ "123";

A font-related class with font size default 17

@property(nonatomic, retain) uifont*font;

//You can set font style after 7.0//nsstring *const uifonttextstyleheadline; the style used for the title//nsstring *const uifonttextstylesubheadline; the style used for the subtitle//nsstring *const uifonttextstylebody; the font used for the body//nsstring *const uifonttextstylefootnote; the font used for footnotes//nsstring *const UIFontTextStyleCaption1; for standard subtitle fonts//nsstring *const UIFontTextStyleCaption2; used to replace a caption fontLabel.font=[Uifont Preferredfontfortextstyle:uifonttextstylecaption2];//to tell you the truth, I don't see much difference.//set font and font size+ (Uifont *) Fontwithname: (NSString *) fontname Size: (cgfloat) fontSize;//returns an array of font family names for all fonts+ (Nsarray *) Familynames;//returns an array of font names by font family name+ (Nsarray *) Fontnamesforfamilyname: (NSString *) familyname;//set Normal font size+ (Uifont *) Systemfontofsize: (cgfloat) fontSize;//set Bold font font size+ (Uifont *) Boldsystemfontofsize: (cgfloat) fontSize;//Set Italic font size+ (Uifont *) Italicsystemfontofsize: (cgfloat) fontSize; //some read-only properties//Font family name@property (Nonatomic,ReadOnly, retain) NSString *familyname;//Font name@property (Nonatomic,ReadOnly, retain) NSString *FontName;//Font Size@property (Nonatomic,ReadOnly) cgfloat pointsize;//a font design model that represents the offset margin from the highest point@property (Nonatomic,ReadOnly) CGFloat Ascender;//model offset at bottom@property (Nonatomic,ReadOnly) cgfloat descender;//header height information for font models@property (Nonatomic,ReadOnly) cgfloat capheight;//xheight information for font models@property (Nonatomic,ReadOnly) cgfloat xheight;//Font Line Height@property (Nonatomic,ReadOnly) cgfloat lineheight Ns_available_ios (4_0);//Model Body Information@property (Nonatomic,ReadOnly) cgfloat leading;//creates a new font that is the same as the current font, except for the specified size-(Uifont *) Fontwithsize: (cgfloat) fontSize;//available after font 7.0 is returned by descriptive information+ (Uifont *) Fontwithdescriptor: (Uifontdescriptor *) Descriptor Size: (cgfloat) pointsize Ns_available_ios (7_0);//returns a description of the font, available after 7.0-(Uifontdescriptor *) FontDescriptor Ns_available_ios (7_0);

Set Font Color

Label. textcolor=[uicolor redcolor];

Set the shadow offset

Label. shadowoffset=cgsizemake ( 20);

Set Shadow Color

Label.shadowcolor=[uicolor blackcolor];

Setting the Alignment mode

Label. textalignment=nstextalignmentjustified;

enum {   //Align align to left edgeNstextalignmentleft =0,   //Center AlignmentNstextalignmentcenter =1,   //Align Right edgeNstextalignmentright =2,   //the last line is naturally alignedNstextalignmentjustified =3,   //Default AlignmentNstextalignmentnatural =4,
};typedef Nsinteger nstextalignment;

Multi-line text settings

Label. linebreakmode=nslinebreakbycharwrapping;

enum {   //Text Edge processingNslinebreakbywordwrapping =0,   //handle inappropriate characters in advancenslinebreakbycharwrapping,//Simple linear processingnslinebreakbyclipping,//The missing opening is denoted by an ellipsisNslinebreakbytruncatinghead,//The missing text shows an ellipsis at the endNslinebreakbytruncatingtail,//missing text displays ellipses in the middleNslinebreakbytruncatingmiddle
};typedef Nsuinteger Nslinebreakmode

Drawing with Attributedtext

@property (nonatomic,copy) nsattributedstring *attributedtext

Set the font color for highlighting

Label.highlightedtextcolor=[uicolor bluecolor];

Set whether to highlight

Label. highlighted=YES;

User interaction is turned off by default

label.userinteractionenabled=NO;

Valid, default is yes, invalid is gray

Label. enabled=NO;

Number of rows displayed, 0 for Infinity

@property(nonatomic) nsinteger numberoflines;

Width Adaptive size default is no

@property (nonatomic) BOOL adjustsfontsizetofitwidth;

Character adaptation width: deprecated

@property (nonatomic) BOOL adjustsletterspacingtofitwidth

Minimum adaptation size 2.0-6.0

@property (nonatomic) cgfloat minimumfontsize

After the minimum fit size of 6.0

@property (nonatomic) cgfloat minimumscalefactor

Adjustment in the vertical direction

@property(nonatomic) uibaselineadjustment baselineadjustment;

enum {   // adjust text corresponding to baseline position    uibaselineadjustmentalignbaselines   ,// adjusts the center of text relative to its border    uibaselineadjustmentaligncenters,   // adjusts the text relative to the upper-left corner of the border by default   Uibaselineadjustmentnone,
} uibaselineadjustment;

Return text Draw Rectangle

-(CGRect) Textrectforbounds: (cgrect) bounds Limitedtonumberoflines: (nsinteger) numberoflines;

Text Drawing functions

-(void) Drawtextinrect: (cgrect) rect

Text Auto Layout parameters

@property (nonatomic) cgfloat preferredmaxlayoutwidth

IOS Uilabe and Uifont Usage Summary