Ios implements button color conversion and can zoom in, zoom out, and rotate. iosbutton

Ios implements button color conversion and can zoom in, zoom out, and rotate. iosbutton

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

_ Window = [[ui1_walloc] initWithFrame: [UIScreenmainScreen]. bounds];

_ Window. backgroundColor = [UIColorwhiteColor];

[_ WindowmakeKeyAndVisible];

// Define a parent View

UIView * superView = [[UIViewalloc] initWithFrame: CGRectMake (65,65, 300,300)];

[_ Window addSubview: superView];

_ Views = [[NSMutableArrayalloc] init];

// Create seven subviews cyclically

For (int I = 0; I <7; I ++ ){

UIView * view = [[UIViewalloc] initWithFrame: CGRectMake (50,50, 250,250)];

// Set the random color

View. backgroundColor = [UIColorcolorWithRed: arc4random () % 10 *. 1 green: arc4random () % 10 *. 1 blue: arc4random () % 10 *. 1 alpha: 1];

[_ Window addSubview: view];

UIView * lastView = [_ viewslastObject];

If (lastView! = Nil ){

View. transform = CGAffineTransformScale (lastView. transform, 0.8, 0.8 );

}

[_ Views addObject: view];

}

// Add several buttons on the interface to implement different functions

UIButton * button1 = [UIButtonbuttonWithType: UIButtonTypeRoundedRect];

[Button1 setTitle: @ "Rotate" forState: UIControlStateNormal];

Button1.tag= 101;

Button1.frame = CGRectMake (50,320, 50, 30 );

[Button1 addTarget: selfaction: @ selector (buttonAction :) forControlEvents: UIControlEventTouchUpInside];

[_ Window addSubview: button1];

UIButton * button2 = [UIButtonbuttonWithType: UIButtonTypeRoundedRect];

[Button2 setTitle: @ "zoom in" forState: UIControlStateNormal];

Button2.tag= 102;

Button2.frame = CGRectMake (150,320, 50, 30 );

[Button2 addTarget: selfaction: @ selector (buttonAction :) forControlEvents: UIControlEventTouchUpInside];

[_ Window addSubview: button2];

UIButton * button3 = [UIButtonbuttonWithType: UIButtonTypeRoundedRect];

[Button3 setTitle: @ "" forState: UIControlStateNormal];

Button3.tag= 103;

Button3.frame = CGRectMake (250,320, 50, 30 );

[Button3 addTarget: selfaction: @ selector (buttonAction :) forControlEvents: UIControlEventTouchUpInside];

[_ Window addSubview: button3];

_ Index = 0;

Return YES;

}

// Button click event

-(Void) buttonAction :( UIButton *) button {

If (button. tag = 103 ){

For (UIView * viewin _ views ){

View. transform = CGAffineTransformScale (view. transform,. 5,. 5 );

}

} Else if (button. tag = 102)

{

For (UIView * viewin _ views ){

View. transform = CGAffineTransformScale (view. transform, 2, 2 );

}

} Else {

// Enable a timer

[NSTimerscheduledTimerWithTimeInterval: 1 target: selfselector: @ selector (timeAction :) userInfo: nilrepeats: YES];

}

}

// Timer

-(Void) timeAction :( NSTimer *) time {

[UIViewbeginAnimations: nilcontext: nil];

[UIViewsetAnimationDuration: 1.9];

For (UIView * viewin _ views ){

View. backgroundColor = [UIColorcolorWithRed: arc4random () % 10 *. 1 green: arc4random () % 10 *. 1 blue: arc4random () % 10 *. 1 alpha: 1];

View. transform = CGAffineTransformRotate (view. transform, M_PI/10 );

}

[UIViewcommitAnimations];

_ Index ++;

If (_ index = 10 ){

For (UIView * viewin _ views ){

[View removeFromSuperview];

}

[Time invalidate];

}

}

The interface opened by the simulator is rotated to zoom in and out