ios-Picture Browser (dictionary and plist file usage)

//

VIEWCONTROLLER.M

19- Picture Browser

//

Created by Hongqiangli on 2017/7/31.

Copyright Li Hongqiang year . All rights reserved.

//

#define ICON @"icon"

#define DESC @"desc"

#import "ViewController.h"

@interface viewcontroller ()

/**

record the current index number

*/

@property(nonatomic,assign)int index;

/**

the previous one

*/

-(ibaction) previous;

/**

Next One

*/

-(ibaction) next;

/**

Description

*/

@property (weak, nonatomic) iboutlet UILabel *desclabel;

/**

Previous Button

*/

@property (weak, nonatomic) iboutlet UIButton *previousbtn;

/**

Next button

*/

@property (weak, nonatomic) iboutlet UIButton *nextbtn;

/**

Index label

*/

@property (weak, nonatomic) iboutlet UILabel *nolabel;

@property (weak, nonatomic) iboutlet uiimageview *mainimageview;

/**

General OC objects are modified with strong

*/

@property(nonatomic,strong)Nsarray *images;

@end

@implementation Viewcontroller

-(nsarray *) images{

if(_images = = Nil) {

// Dictionary mode initialization

nsmutabledictionary *dic1 = [nsmutabledictionary dictionary];

Dic1[icon] = @ "Biaoqingdi";

Dic1[desc] = @ " in front of him, other god horse expression is weak!" ";

nsmutabledictionary *dict2 = [nsmutabledictionary dictionary];

dict2[icon]= @ "Wangba";

Dict2[desc] = @ " brother why Choose Eighth ";

nsmutabledictionary *dict3 = [nsmutabledictionary dictionary];

dict3[icon]= @ "Bingli";

Dict3[desc] = @ " that's a cruel!" ";

nsmutabledictionary *dict4 = [nsmutabledictionary dictionary];

dict4[icon]= @ "Chiniupa";

Dict4[desc] = @ " This little girl eats a cow and kills the cows. "

nsmutabledictionary *dict5 = [nsmutabledictionary dictionary];

dict5[icon]= @ "Danteng";

Dict5[desc] = @ " Pro, can you change your screen name?" Haha ";

_images = @[dic1,dict2,dict3,dict4,dict5];

// load in a plist way

// get The full path to the plist file

nsstring *path = [[nsbundle mainbundle]pathforresource:@ "Images" OfType:@ "plist"];

_images = [nsarray arraywithcontentsoffile:p ath];

}

return _images;

}

-(void) viewdidload {

[Super viewdidload];

[self changdata];

}

/**

Click on the previous one

*/

-(ibaction) Previous {

_index--;

[self changdata];

}

/**

Next One

*/

-(ibaction) Next {

_index++;

[self changdata];

}

-(void) changdata{

_nolabel.text = [NSString stringWithFormat:@ "%d/%ld", _index + 1, _images.count];

Nsdictionary *dict = _images[_index];

NSString *iconstr = Dict[icon];

NSString *descstr = Dict[desc];

_mainimageview.image = [UIImage imagenamed:iconstr];

_desclabel.text = Descstr;

// judgment button can not click

_previousbtn.enabled = (_index! = 0);

_nextbtn.enabled = (_index! = 4);

}

@end

ios-Picture Browser (dictionary and plist file usage)