关于ios的控件的AutoresizingMask属性
setAutoresizingMask控件的自适应
UIViewAutoresizingNone
=
0,
UIViewAutoresizingFlexibleLeftMargin
= 1 <<
0,
UIViewAutoresizingFlexibleWidth
=
1 <<
1,
UIViewAutoresizingFlexibleRightMargin
= 1 <<
2,
UIViewAutoresizingFlexibleTopMargin
= 1 <<
3,
UIViewAutoresizingFlexibleHeight
= 1
<< 4,
UIViewAutoresizingFlexibleBottomMargin =
1 << 5
UIViewAutoresizingNone
UILabel* label
= [[UILabel alloc]
initWithFrame:CGRectMake(50, 100, 200,
40)];
[label
setAutoresizingMask: UIViewAutoresizingNone];
控件相对于俯视图坐标值不变
CGRectMake(50, 100, 200, 40)
UIViewAutoresizingFlexibleWidth:控件的宽度随着父视图的宽度按比例改变
例如
label宽度为 100 屏幕的宽度为320
当屏幕宽度为480时
label宽度 变为
100*480/320
同理
UIViewAutoresizingFlexibleHeight相同
UIViewAutoresizingFlexibleLeftMargin
到屏幕左边的距离随着父视图的宽度按比例改变
例如
CGRectMake(50, 100, 200, 40)];
50 屏幕的宽度为320
当屏幕宽度为480时
label宽度 变为
50*480/320
控件变为
CGRectMake(75, 100, 200, 40)];
UIViewAutoresizingFlexibleRightMargin
UIViewAutoresizingFlexibleTopMargin
UIViewAutoresizingFlexibleBottomMargin