我在NSData中獲取設備令牌並將其轉換爲NSString。在打印設備令牌正確從NSData獲取設備令牌給予異常
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)devToken {
deviceToken = [[devToken description] stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"<>"]];
deviceToken = [deviceToken stringByReplacingOccurrencesOfString:@" " withString:@""];
NSLog(@"Device Token from NSdata is %@",deviceToken);
}
而且我通過這個從其他類
self.Token = [AppDelegate_iPhone sharedAppDelegate].deviceToken;
但它崩潰的這條線
NSLog(@"Device Token from NSdata is %@",deviceToken);
*** -[CFString respondsToSelector:]: message sent to deallocated instance 0x1f9d00
謝謝..這是現在工作,但它爲什麼會被釋放? – iProgrammer
@IphoneDeveloper'stringByReplacingOccurencesOfString:'返回一個自動釋放的對象。如果你不希望它被釋放(在運行循環結束時),你需要保留這個值。 – Jilouc
非常感謝這個信息.. :) – iProgrammer