Hide spinners if airplane mode enabled whilst browsing images

This change ensures loading spinners are hidden if the image cannot be
loaded, such as when we enter airplane mode.

The behaviour is poor upon returning from airplane mode - spinners do
not show immediately, and loads may not kick off until the user scrolls
around.

Bug: 8407579

Change-Id: If11b4f9a453eeb2f381a77a860fb32c87dbd3b13
2 files changed
tree: 7ee02d85dd665792b99c9d46f1f915316cb771b3
  1. res/
  2. sample/
  3. src/
  4. .gitignore
  5. Android.mk
  6. AndroidManifest.xml