UILabel, uilabel wrap

UILabel, uilabel wrap

// UILabel-> UIView

/*

1. instantiation

2. Attributes

3. Add to parent View

*/

// Instantiate

UILabel * label = [[UILabel alloc] initWithFrame: CGRectMake (20,100,280, 30)];

// Attributes

Label. backgroundColor = [UIColor redColor];

Label. alpha = 1.0;

Label. hidden = NO;

// Attributes that are unique to you

// Display text attributes: text

Label. text = @ "Do not say goodbye, please refer to them again when you say ";

// Text color: Black by default: textColor

Label. textColor = [UIColor blueColor];

// Set font size: font

Label. font = [UIFont systemFontOfSize: 18.0];

// Set the font size (with italicSystemFontOfSize)

// Label. font = [UIFont italicSystemFontOfSize: 18.0];

// Set the font size (with BOLD effect): boldSystemFontOfSize

Label. font = [UIFont boldSystemFontOfSize: 18.0];

// Alignment: textAlignment

/*

1. NSTextAlignmentCenter

2. NSTextAlignmentLeft is left aligned. Default Value:

3. NSTextAlignmentRight right

*/

Label. textAlignment = NSTextAlignmentLeft;

// Set the number of rows: numberOfLines; numbers greater than 0: number of rows to be written; 0: automatic line feed

Label. numberOfLines = 0;

// Adaptive text size: adjustsFontSizeToFitWidth

// Label. adjustsFontSizeToFitWidth = YES;

// Adaptive label height

[Label sizeToFit];

// Shadow effect of Text

Label. shadowColor = [UIColor whiteColor];

// Shadow offset

Label. shadowOffset = CGSizeMake (5, 5 );

// Locate the overall font family

NSArray * familyName = [UIFont familyNames];

For (NSString * name in familyName ){

// Find the font name in the font family

NSArray * fontName = [UIFont fontNamesForFamilyName: name];

For (NSString * font in fontName ){

// Find the specified font name

NSLog (@ "% @", font );

}

}

// Add to parent View

[Self. window addSubview: label];

// Create the second UILabel and use the specific font to initialize it.

UILabel * label2 = [[UILabel alloc] initWithFrame: CGRectMake (20,220,280, 80)];

Label2.backgroundColor = [UIColor cyanColor];

Label2.text = @ "hello hi everyOne ";

Label2.textColor = [UIColor redColor];

Label2.textAlignment = NSTextAlignmentCenter;

// Set font with the exact font

Label2.font = [UIFont fontWithName: @ "Thonburi" size: 18.0];

[Self. window addSubview: label2];

// Obtain the screen width

CGFloat width = self. window. frame. size. width;

// Obtain the height of the entire Screen

CGFloat height = self. window. frame. size. height;

NSLog (@ "% f", width, height );