Two-UILabel Usage summary of iOS development series

Initialize tag UILabel *label = [[UILabel alloc] Initwithframe:cgrectmake (10, 100, 300, 150)];//set label text Label.text = @ "This is a T EST text. This is a test text. This is a test text. "; /Set Label text font//use system font Label.font = [uifont systemfontofsize:20];//use system font Bold//label.font = [Uifont boldsystemfontofsize:20] ;//Specify Font//label.font = [Uifont fontwithname:@ "Arial" size:20];//set label text color Label.textcolor = [Uicolor redcolor];// Set Label background color Label.backgroundcolor = [Uicolor clearcolor];//set Label text alignment label.textalignment = nstextalignmentcenter;// IOS7 Chinese text alignment in the following ways://enum {//Nstextalignmentleft = 0, left-aligned, default//Nstextalignmentcenter = 1, center-aligned/ /nstextalignmentright = 2, right-justified//nstextalignmentjustified = 3, natural alignment at the last line of a paragraph//nstextalignmen Tnatural = 4, default alignment//} nstextalignment;//setting label text auto-wrapping Method Label.linebreakmode = nslinebreakbywordwrapping;//Enum { nslinebreakbywordwrapping = 0, displayed in words as display units, followed by ellipsis not shown, default//nslinebreakbycharwrapping, display units in charactersDisplay, the latter part omitted does not show//nslinebreakbyclipping, cut the content length same as the text width, the latter part is deleted//Nslinebreakbytruncatinghead, the beginning is omitted , display the trailing text content//Nslinebreakbytruncatingtail, end omitted, display the beginning of the text content//Nslinebreakbytruncatingmiddle middle omitted, display the text content of the head and tail /} nslinebreakmode;//sets the number of lines of label text, 0 means multiple lines label.numberoflines = 0;//set shadow color [Label Setshadowcolor:[uicolor blackcolor]];//settings Shadow offset [Label Setshadowoffset:cgsizemake (-1,-1)];//change the spacing between letters to fit the label size label.adjustsletterspacingtofitwidth = no;// Set the font size to fit the label width label.adjustsfontsizetofitwidth = yes;//If the Adjustsfontsizetofitwidth property is set to YES, This property controls the behavior of the text baseline label.baselineadjustment = uibaselineadjustmentnone;//text baseline type has the following types://typedef enum {//Uibaseline Adjustmentalignbaselines, top of text aligns with midline, default//uibaselineadjustmentaligncenters, text midline aligns with label centerline//Uibaselineadju Stmentnone, the bottom of the text is aligned with the label Centerline//} uibaselineadjustment;//settings can interact with the user label.userinteractionenabled = yes;//Set the label text Variable, default = yeslabel.enabled = no;//Set label border Label.layer.borderColor= [[Uicolor graycolor] cgcolor];//set border weight label.layer.borderWidth = 2;//Multiline Label height adaptive//Set Label font properties Nsdictionary * Labelattributes = [Nsdictionary dictionarywithobjectsandkeys:[uifont systemfontofsize:20], NSFontAttributeName, nil] ;//Gets the label based on the height of the text and font adaptive, where cgsizemake is the maximum outer frame size cgfloat labelheight = [@ ' This is a test text. This is a test text. This is a test text. "Boundingrectwithsize:cgsizemake (280, options:nsstringdrawinguseslinefragmentorigin|) Nsstringdrawingusesfontleading attributes:labelattributes context:nil].size.height;

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