iOS遞歸獲取子視圖
阿新 • • 發佈:2018-04-12
get 獲取 顯示 with uiview and ted gets IT
// 遞歸獲取子視圖
- (void)getSub:(UIView *)view andLevel:(int)level {
NSArray *subviews = [view subviews];
// 如果沒有子視圖就直接返回
if ([subviews count] == 0) return;
for (UIView *subview in subviews) {
// 根據層級決定前面空格個數,來縮進顯示
NSString *blank = @"";
for (int i = 1; i < level; i++) {
blank = [NSString stringWithFormat:@" %@", blank];
}
// 打印子視圖類名
NSLog(@"%@%d: %@", blank, level, subview.class);
// 遞歸獲取此視圖的子視圖
[self getSub:subview andLevel:(level+1)];
}
}
iOS遞歸獲取子視圖