iOS Development-UILabel Auto wrap and Height adaptive

The main is today to see the forum someone asked this question, help solve, by the way mark.

Very simple, the code is very clear. directly on the code.

UILabel *label = [[UILabel alloc] Initwithframe:cgrectmake (10, 100, 300, 50)]; Label.text = @ "This afternoon the city cloudy to overcast with showers or thunderstorms, this night to tomorrow cloudy with showers, rain can reach heavy rain." 5-6-level gust of Wind in the northeast wind 7, gradually enhanced to 6-7-level gust 8 level. Today's high temperature: Around 26, tomorrow morning lowest temperature: 22 or so. This morning, the lowest temperature: 21. Today's UV grade: 2 levels, low intensity of irradiation, appropriate protection. Tomorrow Car Wash Index: Class 4, the weather is rainy, it is not appropriate to wash the car.    ";    Clear background color Label.backgroundcolor = [Uicolor Clearcolor];    Set the font color to white label.textcolor = [Uicolor Whitecolor];    Set the label's background color to black label.backgroundcolor = [Uicolor blackcolor];    Text centered display label.textalignment = Uitextalignmentcenter;    Auto fold line Setting Label.linebreakmode = Uilinebreakmodewordwrap;        Label.numberoflines = 0;        Adaptive height CGRect txtframe = label.frame;                                                     Label.frame = CGRectMake (ten, +, TxtFrame.size.height =[label.text boundingrectwithsize:                                                                            Cgsizemake (TxtFrame.size.width, Cgfloat_max) Options:nsstringdrawinguseslinefragmentorigin | NsstringdrawingusesfOntleading attributes:[nsdictionary Dictionarywith    Objectsandkeys:label.font,nsfontattributename, nil] context:nil].size.height);        Label.frame = CGRectMake (ten, +, txtFrame.size.height); [Self.view Addsubview:label];

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iOS Development-UILabel Auto wrap and Height adaptive