IOS Note-incompatible pointer types initializing ' nsmutablestring * ' with an expression of type ' nsstring * ' Warning handling

Record it to prevent repeated mistakes

The code is as follows

NSString *userheader = [Userinfodictionary objectforkey:@"Photo"]; Nsmutablestring*mutableuserheader =[nsmutablestring Stringwithstring:userheader]; //set up your avatarNsrange range = [Mutableuserheader rangeofstring:@".."]; [Mutableuserheader replacecharactersinrange:range withstring:@"Video"]; nsmutablestring *userheaderinfo = [Port stringbyappendingstring:mutableuserheader];

The warning in the title of the Red Font section appears, the solution is verified

Nsmutablestring Replace

NSString
So the problem will be solved ~

IOS Note-incompatible pointer types initializing ' nsmutablestring * ' with an expression of type ' nsstring * ' Warning handling