ios 版本更新提示-硬更新/軟更新

實現:數組

強制更新:每次彈框app

非強制更新:一天提示一次url

代碼以下:spa

步驟一: 將檢測更新寫到APPDelegate的applicationDidBecomeActive中code

步驟二: 檢測是否須要更新component

步驟三: 針對非強制更新-首先判斷日期若是是同一天的話就不提示更新,若是不是同一天能夠提示更新orm

邏輯以下:前邊是以前的邏輯 簡單解釋一下:0表明未提示更新   1表明已經提示更新  存日期表示將日期存到內存中blog

前邊是第一次的邏輯,後邊是寫代碼時候的邏輯,更簡化了一些內存

下邊附上核心代碼:字符串

- (void)compareVersionLocalVerson:(NSString *)localVerson appVerson:(NSString *)appVerson andtype:(NSInteger)type andURl:(NSString *)url{
    
    //將版本號按照.切割後存入數組中
    NSArray *localArray = [localVerson componentsSeparatedByString:@"."];
    NSArray *appArray = [appVerson componentsSeparatedByString:@"."];
    NSInteger minArrayLength = MIN(localArray.count, appArray.count);
    BOOL needUpdate = NO;
    
    for(int i=0;i<minArrayLength;i++){//以最短的數組長度爲遍歷次數,防止數組越界
        
        //取出每一個部分的字符串值,比較數值大小
        NSString *localElement = localArray[i];
        NSString *appElement = appArray[i];
        
        NSInteger  localValue =  localElement.integerValue;
        
        NSInteger  appValue = appElement.integerValue;
        
        if(localValue<appValue) {
            //從前日後比較數字大小,一旦分出大小,跳出循環
            needUpdate = YES;
            break;
        }else if(localValue>appValue){
            needUpdate = NO;
            break;
        }
        
    }
    if (needUpdate) {
        if (type == 1) {//強制更新
            
            [self showForceUpdate];
            
        }else{
            NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
            [formatter setDateFormat:@"yyyy-MM-dd"];
            NSString *nowday = [formatter stringFromDate:[NSDate date]];
            NSString *saveDay = [UserDefaults objectForKey:@"versionUpdateKey"];
            if (saveDay == nil) {
                saveDay = @"";
            }
            
            if (![saveDay isEqualToString:nowday]) { //假如不是同一天,更新存儲的日期,而且把isHadShowUpdate 設置成yes

                [self canChooseUpdate];
                
                [UserDefaults setObject:@"1" forKey:@"isHadShowUpdate"];
                [UserDefaults setObject:nowday forKey:@"versionUpdateKey"];
                
            }else{//若是是同一天的話
                return;
//                if([IsHadShowUpdate  isEqualToString:@"0"]){
//                    [self canChooseUpdate];
//                    [UserDefaults setObject:@"1" forKey:@"isHadShowUpdate"];
//                    [UserDefaults setObject:nowday forKey:@"versionUpdateKey"];
//                }else{
//                   return;
//                }
  
            }
        }
        
        
    }else{
        
    }
}

非強制更新代碼

//可選更新
-(void)canChooseUpdate{
    //彈出提示更新彈框
    UIAlertController *alertVc = [UIAlertController alertControllerWithTitle:@"親,有新版本了" message:@"更穩定、快速、多彩的功能和體驗,點擊當即更新!" preferredStyle:UIAlertControllerStyleAlert];
    //
    UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        
    }];
    
    UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"更新" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        
        NSString *JumpURL = [[NSUserDefaults standardUserDefaults]objectForKey:@"AppURL"];
        
        if(JumpURL.length ==0){
            [JKToast showWithText:@"參數錯誤"];
            return;
        }else{
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:JumpURL]];
            AppDelegate *app = appDelegate;
            UIWindow *window = app.window;
            
            [UIView animateWithDuration:1.0f animations:^{
                window.alpha = 0;
                window.frame = CGRectMake(0, window.bounds.size.width, 0, 0);
            } completion:^(BOOL finished) {
                exit(0);
            }];
        }
        
    }];
    
    
    
    [alertVc addAction:action2];
    [alertVc addAction:action1];
    
    
    
    UIViewController *vc = [UIApplication sharedApplication].delegate.window.rootViewController;
    [vc presentViewController:alertVc animated:YES completion:nil];
}
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