Color convert hex color in iOS to Uicolor

Available categories write a convenient use

+ (uicolor *) colorwithhexstring: (nsstring *) color

{

nsstring *cstring = [[Colorstringbytrimmingcharactersinset: [ Nscharactersetwhitespaceandnewlinecharacterset]] uppercasestring];

//String should be 6 or 8 characters

if ([cString length] <6) {

return [uicolorclearcolor];

}

//strip 0X if it appears

if ([cString hasprefix:@ "0X"])

cString = [cStringsubstringfromindex:2];

if ([cString hasprefix:@ "#"])

cString = [cStringsubstringfromindex:1];

if ([cString length]! =6)

return [uicolorclearcolor];

//separate into R, G, B substrings

nsrange Range;

Range. location =0;

Range. length =2;

//r

nsstring *rstring = [cString substringwithrange: Range];

//g

Range. location =2;

nsstring *gstring = [cString substringwithrange: Range];

//b

Range. location =4;

nsstring *bstring = [cString substringwithrange: Range];

//Scan values

unsigned int R, G, B;

[[nsscannerscannerwithstring: rString] scanhexint:&r];

[[nsscannerscannerwithstring: gstring] scanhexint:&g];

[[nsscannerscannerwithstring: bstring] scanhexint:&b];

return [uicolorcolorwithred:((float) R/255.0f) Green:((float) G/255.0f) Blue:((float) b/255.0f) Alpha:1.0f];

}

Color convert hex color in iOS to Uicolor