I am trying to adapt my application for iOS 7. The issue I am having is I can not change the tint color of some controls.
I did add
self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
if (IOS7_OR_LATER)
self.window.tintColor = [self greenTintColor];
to my app delegate's
- (BOOL)application:(UIApplication *)application
didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
It mostly helped but color of message box and action sheet buttons is still the default blue.
How can I recolor all such buttons too?
Some screenshots:
As UIAlertView
is deprecated You can. Use UIAlertController
.
You can use tintColor
property.
OLD
The UIAlertView class is intended to be used as-is and does not support subclassing. The view hierarchy for this class is private and must not be modified.
-From Apple Doc
You can use tintColor property or You can use Some Custom Library for that, you can find it at cocoacontrols.com.
I was able to change the cancel button's text color to white in app delegate.
[[UIView appearance] setTintColor:[UIColor whiteColor]];
For Actionsheet You can use
Utilize the willPresentActionSheet delegate method of UIActionSheet to change the action sheet button color.
- (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
for (UIView *subview in actionSheet.subviews) {
if ([subview isKindOfClass:[UIButton class]]) {
UIButton *button = (UIButton *)subview;
button.titleLabel.textColor = [UIColor greenColor];
}
}
}
Combining best answers above, and updated for deprecation:
[[UIView appearanceWhenContainedInInstancesOfClasses:@[[UIAlertController class]]] setTintColor:[UIColor greenColor]];
or Swift:
UIView.appearance(whenContainedInInstancesOf: [UIAlertController.self]).tintColor = .green
Works in 2018, Swift 4 / iOS 12.
You can adjust the color by searching and modifying the UILabel
in the subview hierarchy of the alert window that is created right after showing the alert:
- (void)setButtonColor:(UIColor*)buttonColor {
dispatch_after(dispatch_time(0,1), dispatch_get_main_queue(), ^{
NSMutableArray *buttonTitles = [NSMutableArray array];
for (NSUInteger index = 0; index < self.numberOfButtons; index++) {
[buttonTitles addObject:[self buttonTitleAtIndex:index]];
}
for (UILabel *label in [[[UIApplication sharedApplication] keyWindow] recursiveSubviewsOfKind:UILabel.class]) {
if ([buttonTitles containsObject:label.text]) {
label.textColor = buttonColor;
label.highlightedTextColor = buttonColor;
}
}
});
}
[alert show];
[alert setButtonColor:UIColor.redColor];
The recursiveSubviewsOfKind:
method is a category on UIView
that returns an array of views in the complete subview hierarchy of the given class or subclass.
for UIAlertView with colored buttons you can use the cocoapod "SDCAlertView"
about CocoaPods: http://www.cocoapods.org
how to install CocoaPods: https://www.youtube.com/watch?v=9_FbAlq2g9o&index=20&list=LLSyp50_buFrhXC0bqL3nfiw
In iOS 6.0 create custom view in App delegate
.h
UIView* _loadingView;
UIView* _subView;
UIActivityIndicatorView*loadingIndicator;
UITabBarController *tabBar_Controller;
NSTimer *timer;
@property (strong, nonatomic) UIView* _loadingView;
@property (strong, nonatomic) UIView* _subView;
.m- (void)fadeScreen
{
[UIView beginAnimations:nil context:nil]; // begins animation block
[UIView setAnimationDuration:3.0]; // sets animation duration
[UIView setAnimationDelegate:self]; // sets delegate for this block
[UIView setAnimationDidStopSelector:@selector(finishedFading)];
self.txtview.alpha = 0.0; // Fades the alpha channel of this view
[UIView commitAnimations]; // commits the animation block. This
}
- (void) finishedFading
{
[self.txtview removeFromSuperview];
}
- (void)showConnectivity:(NSString *)strTitle
{
[_loadingView setBackgroundColor:[UIColor clearColor]];
[_loadingView setAlpha:0.5];
[_loadingView.layer setCornerRadius:10];
[self.window addSubview:_loadingView];
[_loadingView setHidden:NO];
[_subView.layer setCornerRadius:7];
[_subView setBackgroundColor:[UIColor colorWithHue:0.0f saturation:0.0f brightness:0.0f alpha:0.6]];
[_subView setOpaque:YES];
[self.window addSubview:_subView];
[_subView setHidden:NO];
[_loadingView setHidden:NO];
[_subView setHidden:NO];
loadingIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
[loadingIndicator setFrame:CGRectMake(85,10,35,35)];
[_subView addSubview:loadingIndicator];
[loadingIndicator setBackgroundColor:[UIColor redColor]];
[loadingIndicator startAnimating];
UILabel *_lab=[[UILabel alloc]initWithFrame:CGRectMake(8,10,72,45)];
[_lab setText:strTitle];
[_lab setTextColor:[UIColor whiteColor]];
[_lab setBackgroundColor:[UIColor clearColor]];
[_lab setFont:[UIFont boldSystemFontOfSize:13.0]];
[_lab setTextAlignment:NSTextAlignmentCenter];
[_subView addSubview:_lab];
}
- (void)CoonectingViewHidden
{
[_loadingView setHidden:YES];
[_subView setHidden:YES];
NSArray *_aryViews = [_subView subviews];
for(int i = 0; i<[_aryViews count];i++)
{
id obj = [_aryViews objectAtIndex:i];
if(![obj isKindOfClass:[UIActivityIndicatorView class]])
[obj removeFromSuperview];
}
[loadingIndicator stopAnimating];
[loadingIndicator hidesWhenStopped];
}
in using .m
#import"Appdelegate.h"
- (void)showLoadingIndicator:(NSString *)message
{
AppDelegate *delegateObj2=(AppDelegate *)[UIApplication sharedApplication].delegate;
[delegateObj2 showConnectivity:message];
}
-(void)stopLoading
{
AppDelegate *delegateObj3=(AppDelegate *)[UIApplication sharedApplication].delegate;
[delegateObj3 CoonectingViewHidden];
}
// [self showLoadingIndicator:@"Loading"];
n
[self stopLoading];
来源:https://stackoverflow.com/questions/19994993/change-tint-color-of-uialertview-and-uiactionsheet-buttons