Merge branch 'release/0.8.12_2'

Author: bmarty

vector/src/main/java/im/vector/activity/VectorHomeActivity.java

@@ -1291,7 +1291,9 @@ private void revealFloatingActionMenu() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
                     super.onAnimationEnd(animation);
-                    mFloatingActionsMenu.setVisibility(View.VISIBLE);
+                    if (mFloatingActionsMenu != null) {
+                        mFloatingActionsMenu.setVisibility(View.VISIBLE);
+                    }
                 }
             });
             animator.start();
@@ -1305,7 +1307,9 @@ private void concealFloatingActionMenu() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
                     super.onAnimationEnd(animation);
-                    mFloatingActionsMenu.setVisibility(View.GONE);
+                    if (mFloatingActionsMenu != null) {
+                        mFloatingActionsMenu.setVisibility(View.GONE);
+                    }
                 }
             });
             animator.start();