iOS collectionview 只有一个item时如何靠左
2021-09-09 本文已影响0人
iOS门三闫
SEL sel = NSSelectorFromString(@"_setRowAlignmentsOptions:");
if([layout respondsToSelector:sel]) {
((void(*)(id,SEL,NSDictionary*)) objc_msgSend)(layout,sel, @{@"UIFlowLayoutCommonRowHorizontalAlignmentKey":@(NSTextAlignmentLeft),@"UIFlowLayoutLastRowHorizontalAlignmentKey" : @(NSTextAlignmentLeft),@"UIFlowLayoutRowVerticalAlignmentKey" : @(NSTextAlignmentCenter)});
}
