Fix Memory Leak

2.3.3

Fix Memory Leak

Add WeakReference to window

2.3.2

add weakreference

Fix operator error

2.3.1

Fix operator error

Support Light Status Bar

Can toggle light status bar when SDK >= 23

Migrate to AndroidX

2.2.0

release 2.2.0

Fix issue#24

2.1.4

fix issues #24

Fix issue #15

2.1.3

fix issue #15

change minSdk to 14.

14 is more common now.

Fix bug in 2.1.0

when set CollapsingToolbarLayout fitsSystemWindow to false, collapsingToolbarLayout.setStatusBarScrimColor() is useless.

Fix bug for CollapsingToolbarLayout in Lollipop

1. Fix bug for CollapsingToolbarLayout in Lollipop
2. Add more documents.
3. add more detail in my blog.