Redo Media view with proper media aspect ratio

[tobiasKaminsky]

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Show images with correct aspect ratio instead of square thumbnails.

[tobiasKaminsky]

Code snippets:

• group by modification date per month, transform to rows, sort by date, newest first: https://github.com/nextcloud/android/blob/3b5d2a039196b1c0965d6b57a45b8cfd1edd6e17/app/src/main/java/com/owncloud/android/ui/adapter/GalleryAdapter.kt#L199
• one row contains of multiple images https://github.com/nextcloud/android/blob/66d8756bec47cd4d13efcd87212e43e55ea1090d/app/src/main/java/com/owncloud/android/ui/adapter/GalleryRowHolder.kt#L56
• computeShrinkRatio: https://github.com/nextcloud/android/blob/66d8756bec47cd4d13efcd87212e43e55ea1090d/app/src/main/java/com/owncloud/android/ui/adapter/GalleryRowHolder.kt#L101
  • uses screen width, column and total width (adjusted by height) to have ratio

[tobiasKaminsky]

Resized images: https://github.com/nextcloud/android/blob/e236891827a2108724cdcd27ad4945ba6bd17166/app/src/main/java/com/owncloud/android/datamodel/ThumbnailsCacheManager.java#L1419

Is basically the same as when clicking on an image, which also simply downloads a resized image, but not entire one.

[tobiasKaminsky]

How it looks on Android:

[tobiasKaminsky]

update: 2 more weeks, to fix flickering on scrolling up and rotate bug