Design and implementation of iOS development-phone book

#import <UIKit/UIKit.h> #import "SubViewController.h" @interface viewcontroller:uiviewcontroller< Uitableviewdatasource,uitableviewdelegate,subviewcontrollerdelegate> @end

#import "SubViewController.h" @interface Subviewcontroller () @end @implementation subviewcontroller-(void)    viewdidload {[Super viewdidload];    Self.view.backgroundColor = [Uicolor Whitecolor]; Read the plist file first and then write it, or each time the previous data is overwritten nsdictionary * dic = [[Nsdictionary alloc]initwithcontentsoffile:[nsstring Stringwit    hformat:@ "%@/documents/demo.plist", Nshomedirectory ()];    NSLog (@ "++++++++++++%@", DIC);        _infodict = [[Nsmutabledictionary alloc]initwithdictionary:dic];    _personname = [[Uitextfield alloc]init];    _personname.borderstyle = Uitextborderstyleline;    _PhoneNumber = [[Uitextfield alloc]init];    _phonenumber.borderstyle = Uitextborderstyleline;    _personname.delegate = self;        _phonenumber.delegate = self;    _personname.frame = CGRectMake (10, 74, 300, 30);    _personname.textalignment = Nstextalignmentleft;    _personname.font = [Uifont boldsystemfontofsize:13];        _personname.placeholder = @ "Please enter name";        [Self.view Addsubview:_personname]; _phonenUmber.frame = CGRectMake (10, 114, 300, 30);    _phonenumber.textalignment = Nstextalignmentleft;    _phonenumber.font = [Uifont boldsystemfontofsize:13];    _phonenumber.placeholder = @ "Please enter phone number";        [Self.view Addsubview:_phonenumber];    UIButton *btn = [UIButton buttonwithtype:uibuttontypecustom];    Btn.frame = CGRectMake (50, 160, 200, 30);    [Btn settitle:@ "Save" forstate:uicontrolstatenormal];    [btn Settitlecolor:[uicolor Cyancolor] forstate:uicontrolstatenormal];    [Btn addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    Btn.tag = 1;    [Self.view ADDSUBVIEW:BTN]; Do any additional setup after loading the view.} -(void) Btnclick: (UIButton *) btn{if (btn.tag==1) {Nsarray *path = Nssearchpathfordirectoriesindomains (nsdocumen        Tdirectory, Nsuserdomainmask, YES);        NSString *documentspath = [path objectatindex:0];        NSString *plistpath = [Documentspath stringbyappendingpathcomponent:@ "Demo.plist"]; [_infodicT Setobject:_phonenumber.text Forkey:_personname.text];        [_infodict Writetofile:plistpath Atomically:yes];        NSLog (@ "%@", Plistpath);        NSLog (@ "Data saved");        [_infodict removeallobjects];        [_delegate insertinformation:_infodict]; }}-(BOOL) Textfieldshouldclear: (Uitextfield *) textfield{return YES;    -(void) didreceivememorywarning {[Super didreceivememorywarning]; Dispose of any resources the can be recreated.} /* #pragma mark-navigation//in a storyboard-based application, you'll often want to do a little preparation before Nav igation-(void) Prepareforsegue: (Uistoryboardsegue *) Segue Sender: (ID) Sender {//Get the new view controller using [SEG    UE Destinationviewcontroller]. Pass the selected object to the new view Controller.} */@end

#import <UIKit/UIKit.h> @protocol subviewcontrollerdelegate <nsobject>-(void) Insertinformation: ( Nsmutabledictionary *) dcit, @end @interface subviewcontroller:uiviewcontroller<uitextfielddelegate> @property (nonatomic,weak) __weak id<subviewcontrollerdelegate>delegate; @property (nonatomic,strong) UITextField * PersonName, @property (nonatomic,strong) Uitextfield *phonenumber; @property (nonatomic,strong) nsmutabledictionary * infodict; @end

#import "ViewController.h" #import "NextViewController.h" @interface Viewcontroller () {Nsmutablearray *_data;    UITableView *_tableview;    Subviewcontroller *_subviewcontroller; Nextviewcontroller *_nextviewcontroller;}    @end @implementation viewcontroller-(void) viewdidload {[Super viewdidload];    _data = [[Nsmutablearray alloc]init];    _nextviewcontroller = [[Nextviewcontroller alloc]init];    Self.automaticallyadjustsscrollviewinsets = NO;    _subviewcontroller = [[Subviewcontroller alloc]init];    _tableview = [[UITableView alloc]init];    _tableview.frame = CGRectMake (0, 64, 320, 416);    _tableview.delegate = self;    _tableview.datasource = self;        _subviewcontroller.delegate = self;        [Self.view Addsubview:_tableview];    Self.navigationItem.rightBarButtonItem = Self.editbuttonitem; Uibarbuttonitem *leftbbi = [[Uibarbuttonitem alloc]initwithtitle:@ "New +" Style:uibarbuttonitemstyledone target:self    Action: @selector (Bbiclick)]; Self.navigationItem.righTbarbuttonitem = Leftbbi; Uibarbuttonitem *backbbi = [[Uibarbuttonitem alloc] initwithtitle:@ "Back" Style:uibarbuttonitemstyledone Target:nil    Action:nil];    Self.navigationItem.backBarButtonItem = Backbbi;    Additional setup after loading the view, typically from a nib.    [Self readinformation];    [Self readinformation]; [_tableview Reloaddata];} -(void) Viewwillappear: (BOOL) animated{[self readinformation];} Read data and display-(void) readinformation{nsdictionary * dic = [[Nsdictionary alloc]initwithcontentsoffile:[nsstring    stringwithformat:@ "%@/documents/demo.plist", Nshomedirectory ()];    _data = [[Nsmutablearray alloc]init];    [_data Addobject:dic]; NSLog (@ "*****************%@", _data);} -(void) Insertinformation: (nsmutabledictionary *) dcit{//nsdictionary * dic = [[Nsdictionary alloc]    Initwithcontentsoffile:[nsstring stringwithformat:@ "%@/documents/demo.plist", Nshomedirectory ()];    [_data addobject:dcit]; _data = [[Nsmutablearray alloc]initwithobjeCts:dcit, nil]; NSLog (@ "1111%@", _data);}    -(void) bbiclick{[Self.navigationcontroller Pushviewcontroller:_subviewcontroller Animated:yes]; NSLog (@ "new");} -(Nsinteger) Numberofsectionsintableview: (UITableView *) tableview{return [_data count];} -(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) section{return [[_data Objectatind Ex:section]count];} -(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) indexpath{static    NSString *cellname [email protected] "cell";    UITableViewCell *cell = [TableView dequeuereusablecellwithidentifier:cellname]; if (cell = = nil) {cell = [[UITableViewCell alloc]initwithstyle:uitableviewcellstylesubtitle Reuseidentifier:celln    AME];    }//cell.textlabel.text = @ "123";    Nsmutabledictionary *dic = [_data objectatindex:0];        Nsarray *array = [dic AllKeys]; for (int i = 0; i< array.count;i++) {//nsstring *str = [dic objectforkey:@]123 "];        Cell.textLabel.text = Allkeys[i];        }//Cell.textLabel.text = Array[i];    } Nsarray *array1 = [dic allvalues];    Cell.textLabel.text = [array ObjectAtIndex:indexPath.row];        _nextviewcontroller.phonenumber.text = Cell.textLabel.text;    Cell.detailTextLabel.text = [Array1 objectAtIndex:indexPath.row];    _nextviewcontroller.personname.text = Cell.textLabel.text; return cell;} -(void) TableView: (UITableView *) TableView Accessorybuttontappedforrowwithindexpath: (Nsindexpath *) indexpath{}-( void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) indexpath{_nextviewcontroller = [[    Nextviewcontroller Alloc]init];    Nsmutabledictionary *dic = [_data objectatindex:0];    Nsarray *array = [dic AllKeys];    for (int i = 0; i< array.count;i++) {//nsstring *str = [dic objectforkey:@ "123"];    Cell.textLabel.text = Allkeys[i];    }//Cell.textLabel.text = Array[i]; } Nsarray *array1 = [dic allvAlues];    _nextviewcontroller.name = [array ObjectAtIndex:indexPath.row];       NSLog (@ "1111111111%@", _nextviewcontroller.name);    _nextviewcontroller.number = [Array1 objectAtIndex:indexPath.row];        NSLog (@ "2222222222%@", _nextviewcontroller.number);    Nextviewcontroller *svc = [[Nextviewcontroller alloc]init]; [Self.navigationcontroller Pushviewcontroller:_nextviewcontroller animated:yes];} -(NSString *) TableView: (UITableView *) TableView titleforheaderinsection: (nsinteger) section{return @ "phone book";}    -(void) setediting: (BOOL) editing animated: (BOOL) animated{[Super setediting:editing animated:animated]; [_tableview setediting:editing animated:animated];}    -(void) didreceivememorywarning {[Super didreceivememorywarning]; Dispose of any resources the can be recreated.} @end

#import <UIKit/UIKit.h> @interface nextviewcontroller:uiviewcontroller<uitextfielddelegate> @property ( Nonatomic,strong) Uitextfield *personname, @property (nonatomic,strong) Uitextfield *phonenumber; @property (nonatomic , strong) NSString *name, @property (nonatomic,strong) nsstring *number; @end

#import "NextViewController.h" @interface Nextviewcontroller () @end @implementation nextviewcontroller-(void)            viewdidload {[Super viewdidload];    Self.view.backgroundColor = [Uicolor Whitecolor]; [Self.    Nextviewcontroller Setnavigationbarhidden:yes];    _personname = [[Uitextfield alloc]init];    _personname.borderstyle = Uitextborderstyleline;    _PhoneNumber = [[Uitextfield alloc]init];    _phonenumber.borderstyle = Uitextborderstyleline;    _personname.delegate = self;        _phonenumber.delegate = self;    _personname.frame = CGRectMake (10, 74, 300, 30);    _personname.textalignment = Nstextalignmentleft;    _personname.font = [Uifont boldsystemfontofsize:13];    _personname.placeholder = @ "Please enter name";    _personname.text = _name;    NSLog (@ "%@00000", _name);    [Self.view Addsubview:_personname];    NSLog (@ "%@00000", _number);    _phonenumber.frame = CGRectMake (10, 114, 300, 30);    _phonenumber.textalignment = Nstextalignmentleft; _phonenumber.font = [Uifont boldsystEMFONTOFSIZE:13];    _phonenumber.placeholder = @ "Please enter phone number";    _phonenumber.text = _number;        [Self.view Addsubview:_phonenumber];    UIButton *btn = [UIButton buttonwithtype:uibuttontypecustom];    Btn.frame = CGRectMake (50, 160, 200, 30);    [BTN settitle:@ "Change data" forstate:uicontrolstatenormal];    [btn Settitlecolor:[uicolor Cyancolor] forstate:uicontrolstatenormal];    [Btn addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    Btn.tag = 1;    [Self.view ADDSUBVIEW:BTN]; Do any additional setup after loading the view.} -(void) Btnclick: (UIButton *) btn; {if (btn.tag==1) {if (![ _personname.text isequaltostring:_name]| |! [_phonenumber.text Isequaltostring:_number]) {/* NSString *str = [NSString stringwithformat:@ "%@/document/demo.plist", Nshomedirectory ()]            ;        NSLog (@ "%@", Nshomedirectory ());        Nsdictionary * dic = [[Nsdictionary alloc]initwithcontentsoffile:str]; NSLog (@ "%@", dic);            Nsmutabledictionary *dict = [[Nsmutabledictionary alloc]initwithdictionary:dic];            NSLog (@ "----------------%@", DIC);            [Dict Removeobjectforkey:_name];            [Dict Setvalue:_phonenumber.text Forkey:_personname.text];            [Dict writetofile:str Atomically:yes];                          NSLog (@ "%@", dict); *////Read the plist file before writing, otherwise overwrite the previous data with nsdictionary * dic = [[Nsdictionary alloc]initwithcontentsoffil            E:[nsstring stringwithformat:@ "%@/documents/demo.plist", Nshomedirectory ()];            NSString *str = [NSString stringwithformat:@ "%@/documents/demo.plist", Nshomedirectory ()];            NSLog (@ "%@--------", DIC);            Nsmutabledictionary *dict = [[Nsmutabledictionary alloc]initwithdictionary:dic];            [Dict Removeobjectforkey:_name];            [Dict Setvalue:_phonenumber.text Forkey:_personname.text];            NSLog (@ "$$$$$$$$$%@", dict);            NSLog (@ "%@", Nshomedirectory ()); [Dict WRitetofile:str Atomically:yes];        [Self.navigationcontroller Popoverpresentationcontroller];        [Self.navigationcontroller Poptorootviewcontrolleranimated:yes];        [Self.navigationcontroller Popoverpresentationcontroller];        [Self.navigationcontroller Popviewcontrolleanimated:yes];    [Self.navigationcontroller Poptorootviewcontrolleranimated:yes]; }} NSLog (@ "change data");}    -(void) didreceivememorywarning {[Super didreceivememorywarning]; Dispose of any resources the can be recreated.} /* #pragma mark-navigation//in a storyboard-based application, you'll often want to do a little preparation before Nav igation-(void) Prepareforsegue: (Uistoryboardsegue *) Segue Sender: (ID) Sender {//Get the new view controller using [SEG    UE Destinationviewcontroller]. Pass the selected object to the new view Controller.} */@end

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Design and implementation of iOS development-phone book