iOS UI01_色彩变换

//

// AppDelegate.m

// 作业_彩色变换

//

// Created by dllo on 15/7/29.

// Copyright (c) 2015年 zhozhicheng. All rights reserved.

//

#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]];

// Override point for customization after application launch.

self.window.backgroundColor = [UIColor
whiteColor];

[self.window
makeKeyAndVisible];

[_window
release];

UIView *view1=[[UIView
alloc] initWithFrame:CGRectMake(20, 20, 300, 300)];

view1.backgroundColor=[UIColor
blackColor];

[self.window
addSubview:view1];
[view1
release];

UIView *view2=[[UIView
alloc] initWithFrame:CGRectMake(40, 40, 260, 260)];

view2.backgroundColor=[UIColor
yellowColor];

[self.window
addSubview:view2];
[view2
release];

UIView *view3=[[UIView
alloc] initWithFrame:CGRectMake(60, 60, 220, 220)];

view3.backgroundColor=[UIColor
blueColor];

[self.window
addSubview:view3];
[view3
release];

UIView *view4=[[UIView
alloc] initWithFrame:CGRectMake(80, 80, 180, 180)];

view4.backgroundColor=[UIColor
redColor];

[self.window
addSubview:view4];
[view4
release];

UIView *view5=[[UIView
alloc] initWithFrame:CGRectMake(100, 100, 140, 140)];

view5.backgroundColor=[UIColor
orangeColor];

[self.window
addSubview:view5];
[view5
release];

UIView *view6=[[UIView
alloc] initWithFrame:CGRectMake(120, 120, 100, 100)];

view6.backgroundColor=[UIColor
cyanColor];

[self.window
addSubview:view6];
[view6
release];

UIView *view7=[[UIView
alloc] initWithFrame:CGRectMake(140, 140, 60, 60)];

view7.backgroundColor=[UIColor
greenColor];

[self.window
addSubview:view7];
[view7
release];

view1.tag=1;
view2.tag=2;
view3.tag=3;
view4.tag=4;
view5.tag=5;
view6.tag=6;
view7.tag=7;

NSTimer *timer=[NSTimer
scheduledTimerWithTimeInterval:0.5

target:self
selector:@selector(changeColor)
userInfo:nil
repeats:YES];

return
YES;
}
-(void)changeColor
{

UIColor *color =[self.window
viewWithTag:7].backgroundColor;

for (int i=6; i>0; i--) {

[self.window
viewWithTag:i+1].backgroundColor=[self.window
viewWithTag:i].backgroundColor;
}

[self.window
viewWithTag:1].backgroundColor=color;

}

- (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