实现:
强制更新:每次弹框
非强制更新:一天提示一次
代码如下:
步骤一: 将检测更新写到APPDelegate的applicationDidBecomeActive中
步骤二: 检测是否需要更新
步骤三: 针对非强制更新-首先判断日期如果是同一天的话就不提示更新,如果不是同一天可以提示更新
逻辑如下:前边是之前的逻辑 简单解释一下:0代表未提示更新 1代表已经提示更新 存日期表示将日期存到内存中
前边是第一次的逻辑,后边是写代码时候的逻辑,更简化了一些
下边附上核心代码:
- (void)compareVersionLocalVerson:(NSString *)localVerson appVerson:(NSString *)appVerson andtype:(NSInteger)type andURl:(NSString *)url{
//将版本号按照.切割后存入数组中
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++){//以最短的数组长度为遍历次数,防止数组越界
//取出每个部分的字符串值,比较数值大小
NSString *localElement = localArray[i];
NSString *appElement = appArray[i];
NSInteger localValue = localElement.integerValue;
NSInteger appValue = appElement.integerValue;
if(localValue<appValue) {
//从前往后比较数字大小,一旦分出大小,跳出循环
needUpdate = YES;
break;
}else if(localValue>appValue){
needUpdate = NO;
break;
}
}
if (needUpdate) {
if (type == 1) {//强制更新
[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,更新存储的日期,并且把isHadShowUpdate 设置成yes
[self canChooseUpdate];
[UserDefaults setObject:@"1" forKey:@"isHadShowUpdate"];
[UserDefaults setObject:nowday forKey:@"versionUpdateKey"];
}else{//如果是同一天的话
return;
// if([IsHadShowUpdate isEqualToString:@"0"]){
// [self canChooseUpdate];
// [UserDefaults setObject:@"1" forKey:@"isHadShowUpdate"];
// [UserDefaults setObject:nowday forKey:@"versionUpdateKey"];
// }else{
// return;
// }
}
}
}else{
}
}
非强制更新代码
//可选更新
-(void)canChooseUpdate{
//弹出提示更新弹框
UIAlertController *alertVc = [UIAlertController alertControllerWithTitle:@"亲,有新版本了" message:@"更稳定、快速、多彩的功能和体验,点击立即更新!" 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:@"参数错误"];
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];
}
p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 20.0px Menlo; color: #000000; background-color: #ffffff }