我拍完照片后怎么走?

I want to develop app that take a picture and then store it on a ImageView like a preview image. and after i want to save the uri path to a dataBase . i know how to take a picture and how to save it on my sd Card but how can i get the specific image to save it on my database table or to create a preview on imageView real time ? here my code:I want to develop app that take a picture and t