Bug-hunting_simple-camera_problem as we zoom in and out of the picture using the front camera

Expected behavior

I hope when I enlarge the image using the front camera. I can zoom out the picture like normal again

Actual behavior

The reality after I zoom in when I shrink again can not

how to reproduce

• Download simple camera app in f-droid Here
• Launch app
• select the front camera

• zoom in and zoom out
• Device used: Xiaomi redmi 3 RAM 2.00 GB

• Operating System: Android version 5.1.1 LMY47V

• Application version: 3.2.1

• Github Here

Recording Of The Bug