Glide 4.8.0

Features

• Multiple RequestListeners can be added to a single request (9328999, thanks to Adrian)
• Added a safer version of Glide's base target methods that force callers to implement onLoadCleared and deprecated the unsafe versions. Failing to implement onLoadCleared in
  a Target can lead to UIs displaying incorrect images, runtime exceptions, or various other resource re-use errors (3a70607, thanks to azlatin@).

Bugs

• HEIF orientation is supported on O MR1 and higher via ExifInterface (a3f8114)
• Improved error message for network failures (#2894, ff463d7)
• Placeholder/error/fallback drawable and id variants now replace previous calls to the same method with the other variant. For example, placeholder(Drawable) will replace previous calls to .placeholder(R.id.xyz)(2dccb5c)
• Improved synchronization in ModelLoaderRegistry (62e6c11, thanks to @jnlopar)

Deprecations

• Deprecated SimpleTarget and ViewTarget, see the CustomViewTarget description in Features in these release notes for more detail.

Behavior Changes

• Requests that are started with a paused RequestManager, usually in a paused Activity or Fragment, are immediately paused so that they display a placeholder instead of nothing (a55e935)

Breaking Changes

• The deprecated PREFER_ARGB_8888_DISALLOW_HARDWARE DecodeFormat has been removed. Use RequestOptions#disallowHardwareConfig() instead (7eb59f7)
• Remove pause() and isPaused() from the internal Request interface (9089752)
• Glide now uses resource ids (in CustomViewTarget) and therefore can no longer be released as a straight jar.

Build Changes

• Added support for androidx annotations (c3328fe, thanks to @colinrtwhite)
• Updated to Android Gradle 3.1.3.