ios uiview touchesBegan 判断点击区域是否在某个view上

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– (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

CGPoint point = [[touches anyObject] locationInView:self];

UIView* chatView = [self viewWithTag:1009];

point = [chatView.layer convertPoint:point fromLayer:self.layer]; //get layer using containsPoint:

if( [chatView.layer containsPoint:point]){

[NSNotificationCenter.defaultCenter postNotificationName:@”bh_up_event” object:nil];

}

}

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