Aves is a gallery and metadata explorer app. It is built for Android, with Flutter.

• support raster images: JPEG, PNG, GIF, WEBP, BMP, WBMP, HEIC (from Android Pie)
• support animated images: GIF, WEBP
• support vector images: SVG
• support videos: MP4, AVI & probably others
• search and filter by country, place, XMP tag, type (animated, raster, vector, video)
• bulk delete, share, copy, move
• favorites
• statistics
• handle intents to view or pick images
• support Android API 24 ~ 30 (Nougat ~ R)

• privacy: cannot opt out of Crashlytics reporting (cf flutterfire issue #1143)
• gesture: double tap on image does not zoom on tapped area (cf photo_view issue #82)
• performance: image info page stutters the first time it loads a Google Maps view (cf flutter issue #28493)
• performance: image decoding is slow

Create a file named <app dir>/android/key.properties. It should contain a reference to a keystore for app signing, and other necessary credentials. See <app dir>/android/key_template.properties for the expected keys.