Invoke any selector with name from an Objective-C Object
🇨🇳中文介绍
Invoke a selector with name, for some trick or private method debugging
#import "ViewController.h"
#import "RuntimeInvoker.h"
@implementation ViewController
- (CGRect)aRect {
return CGRectMake(0, 0, 100, 100);
}
+ (UIEdgeInsets)aInsets {
return UIEdgeInsetsMake(0, 0, 100, 100);
}
- (void)viewDidLoad {
[super viewDidLoad];
// public selector
CGRect rect = [[self invoke:@"aRect"] CGRectValue];
NSLog(@"rect: %@", NSStringFromCGRect(rect));
// public selector with argument
[self.view invoke:@"setBackgroundColor:" arguments:@[ [UIColor whiteColor] ]];
[self.view invoke:@"setAlpha:" arguments:@[ @(0.5) ]];
[UIView animateWithDuration:3 animations:^{
[self.view invoke:@"setAlpha:" arguments:@[ @(1.0) ]];
}];
// private selector
int sizeClass = [[self invoke:@"_verticalSizeClass"] intValue];
NSLog(@"sizeClass: %d", sizeClass);
// private selector with argument
[self invoke:@"_setShowingLinkPreview:" args:@(NO), nil];
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self invoke:@"_setShowingLinkPreview:" args:@(YES), nil];
});
// class method selector
UIEdgeInsets insets = [[self.class invoke:@"aInsets"] UIEdgeInsetsValue];
NSLog(@"insets: %@", NSStringFromUIEdgeInsets(insets));
// class method selector with argument
UIColor *color = [UIColor invoke:@"colorWithRed:green:blue:alpha:"
args:@(0), @(0.5), @(1), nil];
NSLog(@"color: %@", color);
}
@end