UIButton save selected button, uibutton select button

UIButton save selected button, uibutton select button

// After four hours, the button finally came out. The effect was to save the selected button for data transmission,

// Color button

NSMutableArray * showLabelArray = [NSMutableArrayarrayWithCapacity: 10];

[ShowLabelArrayaddObject: @ "2 string 1"]; // 0

[ShowLabelArrayaddObject: @ "3 string 1"]; // 2

[ShowLabelArrayaddObject: @ "4 string 1"]; // 9

[ShowLabelArrayaddObject: @ "5 string 1"]; // 1

[ShowLabelArrayaddObject: @ "6 string 1"]; // 5

[ShowLabelArrayaddObject: @ "7 string 1"]; // 8

[ShowLabelArrayaddObject: @ "8 string 1"];

// Add color button

UIButton * btn = nil;

For (int I = 0; I <2; I ++ ){

For (int j = 0; j <4; j ++ ){

If (I = 1 & j = 3 ){

Break;

}

Btn = [UIButtonbuttonWithType: UIButtonTypeCustom];

[Btn setTitle: [showLabelArrayobjectAtIndex: I * 4 + j] forState: UIControlStateNormal];

[Btn setTitleColor: [UIColorblackColor] forState: UIControlStateNormal];

Btn. layer. borderColor = [UIColorlightGrayColor]. CGColor;

Btn. layer. borderWidth = 0.7;

Btn. showsTouchWhenHighlighted = YES;

[Btn addTarget: selfaction: @ selector (chooseLottery :) forControlEvents: UIControlEventTouchUpInside];

Btn. frame = CGRectMake (10 + j * 80, 50 + I * 40, 60, 30 );

Btn. tag = 10 + I * 4 + j;

[Button setBackgroundImage: [UIImageimageNamed: @ "leagueBtn"] forState: UIControlStateNormal];

[ChooseBackroundViewaddSubview: btn];

NSLog (@ "btn. tag is % d", btn. tag );

}

}

-(Void) chooseLottery :( UIButton *) sender {

UIButton * button = (UIButton *) sender;

For (int I = 0; I <2; I ++ ){

For (int j = 0; j <4; j ++ ){

If (I = 1 & j = 3 ){

Break;

Button = (UIButton *) [self. viewviewWithTag: I * 4 + j];

}

}

}

If (button. selected = YES)

{

Button. selected =! Button. selected;

[Button setBackgroundImage: [UIImageimageNamed: @ "leagueBtn"] forState: UIControlStateNormal];

NSString * tag1 = [NSStringstringWithFormat: @ "% d", button. tag];

[ArrayremoveObject: tag1];

}

Else if (button. selected = NO)

{

Button. selected =! Button. selected;

[Button setBackgroundImage: [UIImageimageNamed: @ "leagueBtn_selected"] forState: UIControlStateNormal];

NSString * tag1 = [NSStringstringWithFormat: @ "% d", button. tag];

[ArrayaddObject: tag1];

}

For (int I = 0; I <[arraycount]; I ++ ){

NSString * str = [arrayobjectAtIndex: I];

NSLog (@ "tag % @", str corresponding to the Save button array );

}

In iOS development, how does one enable UIImageView to achieve the UIButton click effect, that is, the system's built-in Button click will gradually change color

We recommend that you use a custom UIButton to create a whole picture of two images and text, and use it as a button texture.

How can I dynamically change the title text of UIButton?

You have added a button to the view! But how can I assign values to the above text using code? Use set title: for state: Hard to enable