代码改变世界

防止NSTimer和调用对象之间的循环引用

2014-03-27 10:17  三戒1993  阅读(108)  评论(0)  编辑  收藏  举报

防止NSTimer和调用对象之间的循环引用

@interface NSTimer (EOCBlocksSupport)

+ (NSTimer *)eoc_scheduledTimerWithTimeInterval:(NSTimeInterval)interval
                                          block:(void(^)())block
                                        repeats:(BOOL)repeats;

@end

@implementation NSTimer (EOCBlocksSupport)

+ (NSTimer *)eoc_scheduledTimerWithTimeInterval:(NSTimeInterval)interval
                                          block:(void(^)())block
                                        repeats:(BOOL)repeats
{
    return [self scheduledTimerWithTimeInterval:interval
                                         target:self
                                       selector:@selector(eoc_blockInvoke:)
                                       userInfo:[block copy]
                                        repeats:repeats];
}

+ (void)eoc_blockInvoke:(NSTimer*)timer {
    void (^block)() = timer.userInfo;
    if (block) {
        block();
    }
}


版权声明：本文为博主原创文章，未经博主允许不得转载。