Derek Fung questions

Derek Fung answers

• onPrepareOptionsMenu(Menu) is not being invoked after pressing the back button
• Android ViewPager - Smooth Transition for this Design
• Android java.lang.NullPointerException: Attempt to get length of null array
• How to define a subclass of Recycler.Adapter<VH extends RecylerView.ViewHolder>
• Is ACCESS_COARSE_LOCATION necessary if the user has already granted ACCESS_FINE_LOCATION?
• recreate /restart activity from another activity
• Android "java.lang.RuntimeException: Parcelable encounteredClassNotFoundException reading a Serializable object"
• Shortcut for Capitalizing in Android Studio
• Register broadcast receiver dynamically does not work - BluetoothDevice.ACTION_FOUND
• How to request permissions from a Service in Android Marshmallow