There are many factors that effect how long it might take to regain blader control. Physical condition, severity of the procedure, and maybe even age, will impact how long it will take. I was 60 when I had the DaVinci procedure, and after 4 weeks still no control. Then suddenly in the 5th week the Kegel exercises must have worked because I was dry through the night, and down to 2-3 Depends a day. By the 8th week I was using maybe 1-2 Depends, and in the 10th week like magic I was 95%+ dry with a single Serenity pad just in case. My surgeon told me that he expected to see me back in his office in 3 months for my PSA test, and that I would be dry. It turns out he was on the mark.
I hope your recovery will be faster than mine, and in many cases that I have followed recoveries were shorter. There are some of us that need more time, so don't be discouraged; just Keep doing your Kegel exercises, and walk as much as you can. Soon you will be comforting other guys that will be going through the exact same problems.
Good luck to you, and have confidence that you will be dry.