First of all i definitely was a christian during my gay period, i know this because i would talk to God and He would talk back to me, also ive been saved pretty much all my life. It was a struggle for me to come to terms with loving Jesus as well as loving men but I want to make it clear that during that stage I was still a virgin, i never acted on my feelings, and i truly hated the fact that i had them because I knew my emotional and physical attraction to guys wasnt glorifying God and it certainly wasnt His will for me. But let me also point out that a homosexual is not someone who just has sex with men (acting on it) it is the complete package of emotional attachment, repulsion of the female body, attraction to the male body etc etc its many many things so in a way yes i was a practicing homosexual christian but in a another way i wasnt.
I was freed from my bondage through Jesus. Basically I just prayed and believed and allowed Him to work in me. He started by changing the emotional side of things by convincing me, teaching me and showing me just how able I was and am to be a man, and how precious I was to Him and as a human being with a unique personality. Then He Himself changed my physical attraction to men.
As for my side of things, i just needed to have faith hope and love. Faith in God that He would heal me and help me through the process, Hope in the future wife/soulmate He had created especially for me and Love for myself and being comfortable in my manliness.