Alexander Volkov questions

Alexander Volkov answers

• CMTime seconds output
• Objective C: Send email without leaving app
• convertRect: toView: returns double size and twice the distance from the origin
• CallKit error com.apple.CallKit.error.requesttransaction error 7
• Open mail client of iPhone programmatically
• Manually set exposure for iOS camera in Swift
• How do I get the status description of NSHTTPURLResponse
• Scroll to Focused Field Cordova
• How to know if two NSDate are in the same day
• AVPlayer - play network video with separate audio URL without downloading the files first