Question

我在应用程序中保存了一个PFInstallation对象：didFinishLaunchingWithOptions - 我不要求用户提供推送权限或与deviceToken有关 - 我发现很多标准字段未被填充，包括：

appIdentifier
appVersion
appName
徽章
parseVersion
timeZone

（这些列在数据浏览器中未定义，并且不显示在PFInstallation对象的NSLog上。）

deviceType 填充

我抓住并成功将deviceModel和deviceOS保存到两个自定义列。但我有点困惑的是为什么上面的列未被定义。

以下是代码：

[Parse setApplicationId:PARSE_APPID_DEV
              clientKey:PARSE_CLIENTKEY_DEV];

// record device model and OS
NSString *model = [self getDeviceModelAndNumber]; // via sys/utsname.h
NSString *sysVersion = [[UIDevice currentDevice] systemVersion];

PFInstallation *currentInstallation = [PFInstallation currentInstallation];
PFUser *loggedUser = [PFUser currentUser];
if (loggedUser)
    [currentInstallation setObject:loggedUser forKey:@"user"];

[currentInstallation setObject:model forKey:@"deviceModel"];
[currentInstallation setObject:sysVersion forKey:@"deviceOS"];
NSLog(@"installation: %@", currentInstallation);
[currentInstallation saveInBackground];

这个项目是在Xcode 6中创建的。在Xcode 5中创建的另一个项目中，我基本上做了同样的事情，并且正在填充和保存列。

其他人遇到过这个吗？我已经谷歌搜索了相当多但没有找到解决方案。任何帮助非常感谢。

Answer 1

经过多次实验后，似乎（显着）将最后一行改为

[currentInstallation saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
    // some logging code here
}];

解决了这个问题。所以我想我应该向Parse提交一个错误。（事实上，已经开放了一个：https://developers.facebook.com/bugs/712949858787516/）

Answer 2

这对我来说非常完美：

(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
    // Store the deviceToken in the current installation and save it to Parse.

    PFInstallation *currentInstallation = [PFInstallation currentInstallation];
    [currentInstallation setDeviceTokenFromData:deviceToken];

    currentInstallation.channels = @[ @"YOU_CHANNEL_PREFERENCE" ];

    NSLog(@"currentInstallation %@", currentInstallation);

    // record device model and OS
    NSString *model = [[UIDevice currentDevice] model]; // deviceModel
    NSString *osVersion = [[UIDevice currentDevice] systemVersion]; // osVersion
    NSString *pushType = @"APN"; // pushType
    NSString *deviceName = [[UIDevice currentDevice] name]; // deviceName

    [currentInstallation setObject:model forKey:@"deviceModel"];
    [currentInstallation setObject:osVersion forKey:@"osVersion"];
    [currentInstallation setObject:pushType forKey:@"pushType"];
    [currentInstallation setObject:deviceName forKey:@"deviceName"];

    NSLog(@"installation: %@", currentInstallation);

    [currentInstallation saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
        // some logging code here
        NSLog(@"works");
    }];    
}

保存Parse PFInstallation对象时丢失的字段

2 个答案: