how to get iphone device token in ios 9 - ios

Question

I want to practice APNS , so I need to get device token.
However,I use my iphone 5 can't get device token.
When I use another iphone that is updated ios10 get device token successfully.
What should I do?
This is my code:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
//APNS setting
if ([application respondsToSelector:#selector(registerUserNotificationSettings:)]){
UIUserNotificationType types = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound;
UIUserNotificationSettings *mySettings = [UIUserNotificationSettings settingsForTypes:types categories:nil];
[application registerUserNotificationSettings:mySettings];
[application registerForRemoteNotifications];
}
}
-(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken{
NSString *key = #"once";
BOOL onceShowed = [[NSUserDefaults standardUserDefaults] boolForKey:key];
if ( !onceShowed ){
// upload device token to my sever
}
}
-(void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings{
[application registerForRemoteNotifications];
}
Thanks!

Answer 1

Step 1: Register for Push Notification in https://developer.apple.com/notifications/
Step 2: Try this Code.
(BOOL)application:(UIApplication *)application
didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
{
[[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge) categories:nil]];
[[UIApplication sharedApplication] registerForRemoteNotifications];
}
else
{
[[UIApplication sharedApplication] registerForRemoteNotificationTypes:
(UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert)];
}
- (void)application:(UIApplication *)application
didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
{
[application registerForRemoteNotifications];
}
- (void)application:(UIApplication*)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData*)deviceToken
{
NSLog(#"deviceToken: %#", deviceToken);
NSString * token = [NSString stringWithFormat:#"%#", deviceToken];
//Format token as you need:
token = [token stringByReplacingOccurrencesOfString:#" " withString:#""];
token = [token stringByReplacingOccurrencesOfString:#">" withString:#""];
token = [token stringByReplacingOccurrencesOfString:#"<" withString:#""];
}