Sumeet questions

Sumeet answers

• Default implementation of protocol implementing protocol
• Irregular animations from UITableView's deleteRowsAtIndexPaths:withRowAnimation:
• how to find out if audio session is active in iOS
• in my viewcontroller, I add a subview which has a xib, I set the autolayout in the xib, but when i add the view to the view controller it doesn't work
• Video cracked while merging videos using AVMutableComposition