Or simply leave your phone at home. Need to meet with friends? Plan a meeting point. Need to take photos? Do you really? What right have you got to photo other people's faces? Just leave your damn phone at home.
Taking video can protect against police brutality or false claims by the police. Although I agree that it also is dangerous.
If you want to take photos, bring a good quality video camera, preferably with optical image stabilization. It’s much harder for disinformationists to deny or reframe a long, uncut video.