ios版本检查更新

墨蓝 2022-06-10 11:53 168阅读 0赞

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一行代码搞定

不影响上线

demo地址：[点击打开链接][Link 1]

相关代码：

VersionUpdateTool.h

#import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
    
    @interface VersionUpdateTool : NSObject
    +(VersionUpdateTool *)sharedInstance;
    -(void)VersionUpdate_appStoreID:(NSString *)appStoreID;
    
    @end

VersionUpdateTool.m

#import "VersionUpdateTool.h"
    
    
    @interface VersionUpdateTool ()
    @property(nonatomic,strong)NSDictionary *info;
    
    @end
    @implementation VersionUpdateTool
    -(instancetype)init {
        if (self = [super init]) {
            
        }
        return self;
    }
    
    +(VersionUpdateTool *)sharedInstance
    {
        static dispatch_once_t pred = 0;
        __strong static id Tool = nil;
        dispatch_once(&pred, ^{
            Tool = [[self alloc] init];
        });
        return Tool;
    }
    
    -(BOOL)isNeedUpdate:(NSString *)appstoreVersion curVersion:(NSString *)curVersion {
        NSArray *curVerArr = [curVersion componentsSeparatedByString:@"."];
        NSArray *appstoreVerArr = [appstoreVersion componentsSeparatedByString:@"."];
        
        BOOL needUpdate = NO;
        //比较版本号大小
        int maxv = (int)MAX(curVerArr.count, appstoreVerArr.count);
        int cver = 0;
        int aver = 0;
        for (int i = 0; i < maxv; i++) {
            if (appstoreVerArr.count > i) {
                aver = [NSString stringWithFormat:@"%@",appstoreVerArr[i]].intValue;
            }
            else{
                aver = 0;
            }
            if (curVerArr.count > i) {
                cver = [NSString stringWithFormat:@"%@",curVerArr[i]].intValue;
            }
            else{
                cver = 0;
            }
            if(aver != cver) {
                if (aver > cver) {
                    needUpdate = YES;
                }else {
                    needUpdate = NO;
                }
                return needUpdate;
            }
            
        }
        return needUpdate;
    }
    
    -(void)VersionUpdate_appStoreID:(NSString *)appStoreID{
        
        NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"https://itunes.apple.com/lookup?id=%@",appStoreID]]];
        NSURLSession *session = [NSURLSession sharedSession];
        NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
            if (!error) {
                NSDictionary *dic =  [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
                NSArray *arr = dic[@"results"];
                if (arr.count > 0) {
                    
                    self.info = arr[0];
                    NSString *appstoreVersion = self.info[@"version"];
                    NSString *curVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
                    
                    if ([self isNeedUpdate:appstoreVersion curVersion:curVersion]){
                        dispatch_async(dispatch_get_main_queue(), ^{
                            
                            UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"发现新版本" message:[NSString stringWithFormat:@"version %@ \n\n%@",appstoreVersion,self.info[@"releaseNotes"]] delegate:self cancelButtonTitle:@"以后再说" otherButtonTitles:@"立即更新", nil];
                            [alert show];
                            
                        });
                    }
                }   
            }
        }]; 
        [task resume];
    }
    
    -(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
        
        if (buttonIndex == 1) {
            [[UIApplication sharedApplication]openURL:[NSURL URLWithString:self.info[@"trackViewUrl"]]];
        }
    }
    
    @end

[Center]: /images/20220610/526093bde8244e07a6784dcb2faecb15.png
[Center 1]: /images/20220610/1ac5c89bc1e443468d474140e9ef826b.png
[Link 1]: http://download.csdn.net/download/dashenid/9939648