停靠模式动画效果

//

//  AppDelegate.m

// 
停靠模式动画效果

//

//  Created by qianfeng on 14-8-27.

//  Copyright (c) 2014年
xuli. All rights reserved.

//

#import "AppDelegate.h"

@implementation AppDelegate

-(void)dealloc

{

    [self.window release];

    [super dealloc];

}

-(void)createView

{

 
  //停靠模式的父视图

   UIView * view1 = [[UIView alloc]initWithFrame:CGRectMake(50, 100, 200, 200)];

   
view1.backgroundColor =
[UIColor grayColor];

   
view1.tag = 100;//视图的唯一标识
不可以设为0 系统默认所有视图的tag值都为0

    [self.window addSubview:view1];

    

   UIView * view2 = [[UIView alloc]initWithFrame:CGRectMake(50, 50,
100, 100)];

   
[view2 setBackgroundColor:[UIColor redColor]];

    [view1 addSubview:view2];

    

    

 
  //创建按钮对象指针

 
  UIButton * btn
=[UIButton
buttonWithType:UIButtonTypeCustom];

    btn.frame = CGRectMake(100, 350, 100, 50) ;

   
[btn setTitle:@"ChangeBig" forState:UIControlStateNormal];

   
[btn setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];

   
[btn addTarget:self
action:@selector(pressBtn:) forControlEvents:UIControlEventTouchUpInside];

    [self.window addSubview:btn];

    

 
  //使用停靠模式改变子视图的frame

 
  //首先需要激活停靠模式

   
view2.autoresizesSubviews = YES;

 
  //停靠模式的样式

   

 
  //停靠模式的样式可以任意组合
得到的效果都不同

 
  //以下模式是子视图的宽和高随父视图的frame自由改变

   
[view2 setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];

}

-(void)pressBtn:(id)sender

{

 
  //父视图的改变
让子视图跟随改变

 
  //要改变父视图的frame

 
  //现获取父视图的坐标原点位置 
以及宽高

 
  UIView *
tempView = [self.window
viewWithTag:100];//[父视图的对象指针
viewWithTag：查找的视图的tag值]

   CGPoint point = tempView.frame.origin;

   CGSize size = tempView.frame.size;

    

 
  //现在改变父视图的frame

    point.x -= 5;

    point.y -= 5;

    

    size.width += 10;

    size.height += 10;

 
  //上面的代码可以任意写
改变一个或者改变多个都可以

 
  //将新的frame
设给原有的父视图

    tempView.frame = CGRectMake(point.x, point.y, size.width, size.height);

    

    

}

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

{

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

 
  // Override point for customization after
application launch.

 
  self.window.backgroundColor = [UIColor whiteColor];

   
[self
createView];

   
[self.window
makeKeyAndVisible];

 
  return YES;

}

- (void)applicationWillResignActive:(UIApplication
*)application

{

 
  // Sent when the application is about to
move from active to inactive state. This can occur for certain
types of temporary interruptions (such as an incoming phone call or
SMS message) or when the user quits the application and it begins
the transition to the background state.

 
  // Use this method to pause ongoing
tasks, disable timers, and throttle down OpenGL ES frame rates.
Games should use this method to pause the game.

}

- (void)applicationDidEnterBackground:(UIApplication
*)application

{

 
  // Use this method to release shared
resources, save user data, invalidate timers, and store enough
application state information to restore your application to its
current state in case it is terminated later. 

 
  // If your application supports
background execution, this method is called instead of
applicationWillTerminate: when the user quits.

}

- (void)applicationWillEnterForeground:(UIApplication
*)application

{

 
  // Called as part of the transition from
the background to the inactive state; here you can undo many of the
changes made on entering the background.

}

- (void)applicationDidBecomeActive:(UIApplication
*)application

{

 
  // Restart any tasks that were paused (or
not yet started) while the application was inactive. If the
application was previously in the background, optionally refresh
the user interface.

}

- (void)applicationWillTerminate:(UIApplication
*)application

{

 
  // Called when the application is about
to terminate. Save data if appropriate. See also
applicationDidEnterBackground:.

}

@end