iOS Push Notification Banner shown twice for a single Push
问题 I've noticed that sending a Push notification results in the following behavior: See how the banner is shown a second time, after a short delay? At first I thought that our backend was mistakenly sending 2 push notifications, one after the other. However, this appears to be default iOS behavior for a single Push notification. The banner is shown, then immediately "shown again". This results in this jittery UI shown in the gif. The banner appears to be received twice. Tested using iOS 9.0.2. I