viewForFooterInSection

最新推荐文章于 2021-01-11 11:58:46 发布

转载最新推荐文章于 2021-01-11 11:58:46 发布 · 3.2k 阅读

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本文介绍如何在 UITableView 的 footer 中添加 UISwitch 和 UILabel，并调整其布局及交互属性，确保组件能正确显示并响应用户操作。

http://stackoverflow.com/questions/838266/how-do-i-add-a-uibutton-or-uiswitch-in-tableviewviewforfooterinsection

// Need to refactor so that the label is Public Sharing and Priviate Sharing and the actions work for each switch



-
 
(
UIView
 
*)
 tableView
:
 
(
UITableView
 
*)
 tableView

viewForFooterInSection
:
 
(
NSInteger
)
 section


{


  
if
 
(
section 
==
 
0
 
||
 section 
==
 
1
)
 
{


    
CGRect
 screenRect 
=
 
[[
UIScreen
 mainScreen
]
 applicationFrame
];


    
UIView
*
 footerView 
=
 
[[
UIView
 alloc
]
 initWithFrame
:
CGRectMake
(
0
,
 
0
,
 screenRect
.
size
.
width
,
 
44.0
)];


    footerView
.
autoresizesSubviews 
=
 YES
;


    footerView
.
autoresizingMask 
=
 
UIViewAutoresizingFlexibleWidth
;


    footerView
.
userInteractionEnabled 
=
 YES
;




    footerView
.
hidden 
=
 NO
;


    footerView
.
multipleTouchEnabled 
=
 NO
;


    footerView
.
opaque 
=
 NO
;


    footerView
.
contentMode 
=
 
UIViewContentModeScaleToFill
;




    
// Add the label


    
UILabel
*
    footerLabel 
=
 
[[
UILabel
 alloc
]
 initWithFrame
:
CGRectMake
(
150.0
,
 
-
5.0
,
 
120.0
,
 
45.0
)];


    footerLabel
.
backgroundColor 
=
 
[
UIColor
 clearColor
];


    footerLabel
.
opaque 
=
 NO
;


    footerLabel
.
text 
=
 @
"Sharing"
;


    footerLabel
.
textColor 
=
 
[
UIColor
 tableHeaderAndFooterColor
];


    footerLabel
.
highlightedTextColor 
=
 
[
UIColor
 tableHeaderAndFooterColor
];


    footerLabel
.
font 
=
 
[
UIFont
 boldSystemFontOfSize
:
17
];


    footerLabel
.
shadowColor 
=
 
[
UIColor
 whiteColor
];


    footerLabel
.
shadowOffset 
=
 
CGSizeMake
(
0.0
,
 
1.0
);


    
[
footerView addSubview
:
 footerLabel
];




    
[
footerLabel release
];
  



    
// Add the switch


    
UISwitch
*
 footerSwitch 
=
 
[[
UISwitch
 alloc
]
 initWithFrame
:
CGRectMake
(
215.0
,
 
5
,
 
80.0
,
 
45.0
)];


    
[
footerView addSubview
:
 footerSwitch
];




    
// Return the footerView


    
return
 footerView
;


  
}


  
else
 
return
 
nil
;



}



// Need to call to pad the footer height otherwise the footer collapses



-
 
(
CGFloat
)
tableView
:(
UITableView
 
*)
tableView heightForFooterInSection
:(
NSInteger
)
section 
{


  
switch
 
(
section
)
 
{


    
case
 
0
:


      
return
 
40.0
;


    
case
 
1
:


      
return
 
40.0
;


    
default
:


      
return
 
0.0
;


  
}



}