Activity.onCreate(Bundle)
For align the height of the keyboard to target as much as possible.switchPanelKeyboardBtn and the focusView to
non-layout-conflict.View.setVisibility(int) for handling Keyboard->Panel.Activity.onPause() and will be restore
the keyboard status automatically Activity.onResume()
Recommend invoke this method on the Activity.onPause(), to record the keyboard
status for the right keyboard status and non-layout-conflict when the activity on resume.panelLayout,
and hide the keyboard with non-layout-conflict.