See changelog.

See changelog.

See changelog.

See CHANGELOG.

See CHANGELOG.

See CHANGELOG.

See CHANGELOG.

See CHANGELOG.

• Fixes a bug with scrollbars thanks to @markusressel (#35)
• Fixes the library manifest thanks to @bkhall (#49)
• Fixes panning after double taps thanks to @Yundin (#56)
• Fixes canvas transformations for Android <= 6 thanks to @DennisBlock (#62)
• Updated dependencies (#59)
• Moved to AndroidX (#59)
• More nullability annotations to support Kotlin (#59)
• Added the ZoomEngine.SimpleListener class: it extends ZoomEngine.Listener, but instead of a matrix, provides the zoom and pan values. (#59)
• Now you can add multiple listeners to ZoomEngine using addListener instead of passing one to the constructor. Old constructor is deprecated. (#59)
• ZoomEngine.setContentSize(RectF) is deprecated. Please use ZoomEngine.setContentSize(float, float). You can optionally pass a boolean to apply the engine transformation. (#59)
• ZoomEngine.setContainerSize(float, float) lets you override the view container size. Normally you don't need this because the container size is determined using a layout listener. But sometimes you might. (#59)
• Added setAnimationDuration API to set the duration of pan/zoom animations (#59)
• Added friction to overscrolls, which gives a more realistic response. (This is still improvable in many ways.) (#59)
• Fix an annoying issue when overscrolling, sometimes flings would start in the opposite direction. (#59)
• Other minor improvements.

• Scrollbar support. You can now use all android scrollbar APIs (notably, android:scrollbars) to enable scrollbars in ZoomLayout and ZoomImageView. Thanks to @markusressel (#30)
• Selective control with app:zoomEnabled, app:verticalPanEnabled and app:horizontalPanEnabled and related Java APIs, thanks to @markusressel (#31)