I am making android app in which I have a scenario that I pick an image from gallery, crop it and show it on imageview. Now at the time of cropping I want to zo
I don't know whether this will solve your problem . I created somewhat similar thing for my project adding the functionality to pick image from Camera or Gallery, then showing a fixed cropping window with image zoomin out functionality. Combining Photoview and Cropper tool. Shared the code on Github. You can modify the code to fit in your need. Added an apk file in the project. Use real device for testing camera as emulator doesn't handle camera well. Here's the link to my project.
https://github.com/ozeetee/AndroidImageZoomCrop