#import <UIKit/UIKit.h>

@interface LTView : UIView

#warning 创建需要的属性

@property (nonatomic, retain) UILabel *mLabel;

@property (nonatomic ,retain) UITextField *mTextField;

@end


#import "LTView.h"


@implementation LTView


#warning 第一步，重写初始化方法

- (instancetype)initWithFrame:(CGRect)frame

{

self = [super initWithFrame:frame];

if (self) {

[self createMyView];

}

return self;

}

#warning 第三步，创建视图

- (void)createMyView

{

//初始化我们定义的属性

self.mLabel = [[UILabel alloc]initWithFrame:CGRectMake(10, 10, 70, 50)];

self.mLabel.backgroundColor = [UIColor greenColor];

[self addSubview:self.mLabel];

[_mLabel release];

self.mTextField = [[UITextField alloc]initWithFrame:CGRectMake(90, 10, 230, 50)];

self.mTextField.backgroundColor = [UIColor yellowColor];

[self addSubview:self.mTextField];

[_mTextField release];

}

#import "AppDelegate.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (void)dealloc

{

[_window release];

[super dealloc];

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

self.window.backgroundColor = [UIColor whiteColor];

[self.window makeKeyAndVisible];

[_window release];

LTView *mView = [[LTView alloc]initWithFrame:CGRectMake(10, 100, 340, 70)];

mView.backgroundColor = [UIColor grayColor];

[self.window addSubview:mView];

[mView release];

return YES;

}