Use UIView to make the effect of the neon light, and use uiview to make the neon light

Use UIView to make the effect of the neon light, and use uiview to make the neon light

Effect

The Code is as follows (only the implementation part is available)

@ Interface AppDelegate () @ end @ implementation AppDelegate-(void) dealloc {[_ window release]; [super dealloc];}-(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( 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]; // define view, color module UIView * view1 = [[UIView alloc] initWithFrame: CGRectMake (20, 20,340,340)]; view1.backgroundColor = [UIColor greenColor]; [self. window addSubview: view1]; [view1 release]; view1.tag = 1; UIView * view2 = [[UIView alloc] initWithFrame: CGRectMake (40, 40,300,300)]; view2.backgroundColor = [UIColor purpleColor]; [self. window addSubview: view2]; [view2 release]; view2.tag = 2; UIView * view3 = [[UIView alloc] initWithFrame: CGRectMake (60, 60,260,260)]; view3.backgroundColor = [UIColor magentaColor]; [self. window addSubview: view3]; [view3 release]; view3.tag = 3; UIView * view4 = [[UIView alloc] initWithFrame: CGRectMake (80, 80,220,220)]; view4.backgroundColor = [UIColor redColor]; [self. window addSubview: view4]; [view4 release]; view4.tag = 4; UIView * view5 = [[UIView alloc] initWithFrame: CGRectMake (100,100,180,180)]; view5.backgroundColor = [UIColor orangeColor]; [self. window addSubview: view5]; [view5 release]; view5.tag = 5; UIView * view6 = [[UIView alloc] initWithFrame: CGRectMake (120,120,140,140)]; view6.backgroundColor = [UIColor yellowColor]; [self. window addSubview: view6]; [view6 release]; view6.tag = 6; UIView * view7 = [[UIView alloc] initWithFrame: CGRectMake (140,140,100,100)]; view7.backgroundColor = [UIColor cyanColor]; [self. window addSubview: view7]; [view7 release]; view7.tag = 7; // define a timer to implement color block change NSTimer * timer = [nst1_scheduledtimerwithtimeinterval: 0.3 target: self selector: @ selector (changeColor) userInfo: nil repeats: YES]; return YES;}-(void) changeColor {// define a color to receive 7 color 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;} // the innermost part is the outermost [self. window viewWithTag: 1]. backgroundColor = color;} @ end

Copyright Disclaimer: This article is an original article by the blogger. For more information, see the original article address.