132 Set the background color of the selected cell (expand Knowledge: Set the background picture of the selected cell)

The effect is as follows:

ViewController.h

1 #import <UIKit/UIKit.h>23@interface  viewcontroller: Uitableviewcontroller4 @property (Strong, Nonatomic) Nsarray *Arrdatasource; 5 @property (Strong, Nonatomic) Nsarray *Arrselectionstyle; 6 7 @end

Viewcontroller.m

1 #import "ViewController.h"2 3 @interfaceViewcontroller ()4- (void) Layoutui;5 @end6 7 @implementationViewcontroller8 9- (void) Viewdidload {Ten [Super Viewdidload]; One      A [self layoutui]; - } -  the- (void) didreceivememorywarning { - [Super didreceivememorywarning]; -     //Dispose of any resources the can be recreated. - } +  -- (void) Layoutui { +_arrdatasource = @[@"Uitableviewcellselectionstylenone", A                        @"Uitableviewcellselectionstyleblue (fail to be used Cell.selectedbackgroundview custom)", at                        @"Uitableviewcellselectionstylegray", -                        @"Uitableviewcellselectionstyledefault (default; iOS7 valid, self-defined is gray)", -                        @"Customize the background color of selected cells", -                        @"Customize the background picture of a selected cell"]; -      -_arrselectionstyle =@[[nsnumber Numberwithinteger:uitableviewcellselectionstylenone], in [NSNumber Numberwithinteger:uitableviewcellselectionstyleblue], - [NSNumber Numberwithinteger:uitableviewcellselectionstylegray], to [NSNumber Numberwithinteger:uitableviewcellselectionstyledefault], +[NSNumber Numberwithinteger:4], -[NSNumber Numberwithinteger:5]]; the      *Self.navigationItem.title =@"sets the background color of the selected cell"; $ }Panax Notoginseng  - #pragmaMark-tableview the-(NSString *) TableView: (UITableView *) TableView titleforheaderinsection: (nsinteger) Section { +     return @"Selectionstyle List"; A } the  +-(Nsinteger) Numberofsectionsintableview: (UITableView *) TableView { -     return 1; $ } $  --(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) Section { -     return_arrdatasource.count; the } - Wuyi-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) Indexpath { the     StaticNSString *cellidentifier =@"Cellidentifier"; -UITableViewCell *cell =[TableView Dequeuereusablecellwithidentifier:cellidentifier]; Wu     if(!cell) { -Cell =[[UITableViewCell alloc] Initwithstyle:uitableviewcellstyledefault reuseidentifier:cellidentifier]; About     } $      -Nsinteger row =Indexpath.row; -Cell.textLabel.text =_arrdatasource[row]; -Cell.textLabel.numberOfLines =2; A      +UIImage *img =Nil; the     //sets the background color or background picture of the selected cell -     Switch(row) { $          Case 0: the          Case 2: the          Case 3: theCell.selectionstyle =[_arrselectionstyle[row] integervalue]; the              Break; -          Case 1: in          Case 4: theCell.selectedbackgroundview =[[UIView alloc] init]; theCell.selectedBackgroundView.backgroundColor = [Uicolor Bluecolor];//the corresponding Cell.backgroundcolor About              Break; the          Case 5: theIMG = [UIImage imagenamed:@"Frame"]; theIMG = [img stretchableimagewithleftcapwidth: -Topcapheight: -]; +Cell.selectedbackgroundview = [[Uiimageview alloc] initwithimage:img];//the corresponding Cell.backgroundview -              Break; the     }Bayi     returncell; the      the     /* - typedef ns_enum (Nsinteger, Uitableviewcellselectionstyle) { - Uitableviewcellselectionstylenone, the Uitableviewcellselectionstyleblue, the Uitableviewcellselectionstylegray, the uitableviewcellselectionstyledefault Ns_enum_available_ios (7_0) the      }; -      */ the } the  the- (void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) Indexpath {94      the } the  the @end

AppDelegate.h

1 #import <UIKit/UIKit.h>23@interface Appdelegate:uiresponder < Uiapplicationdelegate>4 @property (Strong, Nonatomic) UIWindow *window; 5 @property (Strong, Nonatomic) Uinavigationcontroller *Navigationcontroller; 6 7 @end

Appdelegate.m

1 #import "AppDelegate.h"2 #import "ViewController.h"3 4 @interfaceappdelegate ()5 @end6 7 @implementationappdelegate8 9-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchoptions {Ten_window =[[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]; OneViewcontroller *viewcontroller =[[Viewcontroller alloc] init]; A_navigationcontroller =[[Uinavigationcontroller alloc] initwithrootviewcontroller:viewcontroller]; -_window.rootviewcontroller =_navigationcontroller; -     //[_window Addsubview:_navigationcontroller.view];//when _window.rootviewcontroller is associated, this sentence is optional the [_window makekeyandvisible]; -     returnYES; - } -  +- (void) Applicationwillresignactive: (UIApplication *) Application { - } +  A- (void) Applicationdidenterbackground: (UIApplication *) Application { at } -  -- (void) Applicationwillenterforeground: (UIApplication *) Application { - } -  -- (void) Applicationdidbecomeactive: (UIApplication *) Application { in } -  to- (void) Applicationwillterminate: (UIApplication *) Application { + } -  the @end

132 Sets the background color of the selected cell (Extended knowledge: Sets the background picture of the selected cell)