#import "LabelTestViewController.h"
@implementation LabelTestViewController
/*
Accessing the Text Attributes
text property
font property
textColor property
textAlignment property
lineBreakMode property
enabled property
Sizing the Label’s Text
adjustsFontSizeToFitWidth property
baselineAdjustment property
minimumFontSize property 無例
numberOfLines property
Managing Highlight Values
highlightedTextColor property
highlighted property
Drawing a Shadow
shadowColor property
shadowOffset property
Drawing and Positioning Overrides
– textRectForBounds:limitedToNumberOfLines: 無例
– drawTextInRect: 無例
Setting and Getting Attributes
userInteractionEnabled property
*/
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
UILabel *label1 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 20.0, 200.0, 50.0)];
UILabel *label2 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 80.0, 200.0, 50.0)];
UILabel *label3 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 140.0, 200.0, 50.0)];
UILabel *label4 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 200.0, 200.0, 50.0)];
UILabel *label5 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 260.0, 200.0, 50.0)];
UILabel *label6 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 320.0, 200.0, 50.0)];
UILabel *label7 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 380.0, 200.0, 50.0)];
//設置顯示文字
label1.text = @"label1";
label2.text = @"label2";
label3.text = @"label3--label3--label3--label3--label3--label3--label3--label3--label3--label3--label3--";
label4.text = @"label4--label4--label4--label4--";
label5.text = @"label5--label5--label5--label5--label5--label5--";
label6.text = @"label6";
label7.text = @"label7";
//設置字體:粗體，正常的是 SystemFontOfSize
label1.font = [UIFont boldSystemFontOfSize:20];
//設置文字顏色
label1.textColor = [UIColor orangeColor];
label2.textColor = [UIColor purpleColor];
//設置文字位置
label1.textAlignment = UITextAlignmentRight;
label2.textAlignment = UITextAlignmentCenter;
//設置字體大小適應label寬度
label4.adjustsFontSizeToFitWidth = YES;
//設置label的行數
UIlabel.backgroudColor=[UIColor clearColor]; //可以去掉背景色
//設置高亮
label6.highlighted = YES;
label6.highlightedTextColor = [UIColor orangeColor];
//設置陰影
label7.shadowColor = [UIColor redColor];
label7.shadowOffset = CGSizeMake(1.0,1.0);
//設置是否能與用戶進行交互
label7.userInteractionEnabled = YES;
//設置label中的文字是否可變，默認值是YES
label3.enabled = NO;
//設置文字過長時的顯示格式
label3.lineBreakMode = UILineBreakModeMiddleTruncation;//截去中間
// typedef enum {
// UILineBreakModeWordWrap = 0,
// UILineBreakModeCharacterWrap,
// UILineBreakModeClip,//截去多餘部分
// UILineBreakModeHeadTruncation,//截去頭部
// UILineBreakModeTailTruncation,//截去尾部
// UILineBreakModeMiddleTruncation,//截去中間
// } UILineBreakMode;
//如果adjustsFontSizeToFitWidth屬性設置爲YES，這個屬性就來控制文本基線的行爲
label4.baselineAdjustment = UIBaselineAdjustmentNone;
// typedef enum {
// UIBaselineAdjustmentAlignBaselines,
// UIBaselineAdjustmentAlignCenters,
// UIBaselineAdjustmentNone,
// } UIBaselineAdjustment;
[self.view addSubview:label1];
[self.view addSubview:label2];
[self.view addSubview:label3];
[self.view addSubview:label4];
[self.view addSubview:label5];
[self.view addSubview:label6];
[self.view addSubview:label7];
[label1 release];
[label2 release];
[label3 release];
[label4 release];
[label5 release];
[label6 release];
[label7 release];
[super viewDidLoad];
}
/*
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
*/
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (void)dealloc {
[super dealloc];
}
@end