![]() The implementation of each step is described in detail below based on this business scenario.ġ. ![]() (by business decision)įirst of all, about the business requirements: from the user login to logoff this period of time, received background photos of the instructions after the photo, save, upload. Get camera cameras when you need to take a photo, and set a preview screen for the camera 3. ![]() Initialize the preview screen (core part) of the camera Ģ. The scenario implementation steps are generally as follows:ġ. is beyond our consideration and discussion. The question of whether this feature infringes the privacy of the user, the security of the user, etc. Can be very good to solve the business needs.įor photos like the "Find Phone" feature offered by very many phone manufacturers. To illustrate, this is just a solution that I think of in my groping. What can you do to preview, take pictures, and not be aware of the user? Presumably you will also think of a trickery approach: Hide the Preview interface. Since the background is to take pictures, you want to be in the service or an asynchronous thread, which is a bit contradictory to previewing this step. Just make sure the difficulty: that is, to preview the photo before calling the camera method. Also tried a lot of ways to achieve, there is no comfortable solution. Start looking for solutions on the Internet. ![]() Implement a background photo-taking function. Recently encountered a requirement in the project. ![]()
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