Matisse – is a well-designed local image and video selector for Android.
ProGuard rules for Matisse
ProGuard obfuscates method names and may shrink methods, which are not used. ProGuard obfuscates the remaining classes, fields, and methods with short names. Add the next rules to configuration file to fix errors.
################################### Matisse #################################### -dontwarn com.squareup.picasso.** -dontwarn com.bumptech.glide.**
For more information about Matisse please see the website.