How to display custom signal strength display on iOS devices - cocoa-touch

Our app can't use status bar and we want to display a custom signal strength on iOS devices? Is that possible?

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Game centre user turn notification banner is not display in background mode

I am developing an app in which I have implemented a small turn based game using game centre. I have facing a problem and problem is when I have start the game and invite a friend then the notification banner with appropriate message is display on friend device but when he play the game and give turn to me and when my app is in background mode then only the badge is display but notification banner is not display but if I have remove the app from background then notification banner appears correctly. This process is running correctly with iOS 7 & 8 but not with iOS 9. Please suggest me any idea to solve this.
Thanks in advance!

Camera live View in apple watch

On 3/9 apple demo.
They show how to use apple watch to see the camera live view and open the garage door.
I think they should integrate with HomeKit to control the garage door,
but how to get the camera live view??
Do these live view images come from iphone app?
then using bluetooth to pass the image data to watch?
The iOS parent app to the Watch app most likely integrates with HomeKit to control the garage door and the webcam.
In order to display the images from the webcam on the Watch, they are most likely writing those images into the Shared App Group between the iOS app and the Watch Extension using MMWormhole or a similar approach. They then read the images from the App Group and push them to the Watch over bluetooth and WiFi using the WKInterfaceDevice addCachedImage(_:name:) method. Once the image is uploaded to the Watch, it can then displayed on the Watch using a WKInterfaceImage or WKInterfaceGroup background image.

iOS - make Apple TV always present in landscape orientation

I am building an iOS app that only presents in portrait orientation on the iPhone. (The views do not change when a user rotates the device.)
However, when users connect to an Apple TV, I want to make the views always present in landscape orientation on Apple TV even the iPhone presents in portrait orientation.
How do I achieve this?
Sorry, I read your question wrong the first time. Have you considered an option such as this: "Some video-oriented apps send their content directly to the AirPlay receiver when AirPlay is enabled—bypassing the iOS device’s screen (or displaying a message like “The video is playing on Apple TV”)". So in theory you might just be able to bypass the iphone and just deal with the apple TV settings.

The second UINotification not not show in background after showed the first notification

I'm developing an iBeacon app. I have two beacons.
Firstly, when the app did enter background (locked screen)
- if app found the first iBeacon I show a notification
- Continue i use the second iBeacon and my iphone doesn't show notification
- But when i active screen so app reactive and show notification for the second ibeacon
I don't know why iOS doesn't show a notification for the second iBeacon after showed it for the first iBeacon in background status?
If both beacons are part of the same CLBeaconRegion, your app will only be triggered in the background on first detection. You can change this by defining two regions, one to cover each beacon.

How can I detect iphone notification signal in CoreBluetooth when App runs on Background mode?

I want to get CoreBluetooth notification signal when my app is on spacified activity and in background mode.
I want to detect this signal to wakeup the App to play the music. It's that possible.
In your Info.plist add a UIBackgroundModes property and include bluetooth-central in the array.
https://developer.apple.com/library/ios/#documentation/general/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html