injection 注入方式

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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
#if DEBUG
    [[NSBundle bundleWithPath:@"/Applications/InjectionIII.app/Contents/Resources/iOSInjection.bundle"] load];
    [[NSBundle bundleWithPath:@"/Applications/InjectionIII.app/Contents/Resources/tvOSInjection.bundle"] load];
    [[NSBundle bundleWithPath:@"/Applications/InjectionIII.app/Contents/Resources/macOSInjection.bundle"] load];
#endif
    return YES;
}

然后在需要调整的类中实现injected方法

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- (void)injected {
    [self setNeedsLayout];
    [self layoutIfNeeded];
}