fix hotspot create successful callback null
clean import
disable button when checking password mismatch
ServerModeFragment button logic improve
add missed dismiss WifiProcessDialogFragment logic
fix buttonToggleService enable/disable logic
fix empty interface select UI
remove duplicate code
restore correct ui state when server can not started
disable ok button when checking password, avoid duplicate action
add some comment
fix change password introduced bug
fix only one ipAddress found interface bug
use static variable to store toast, avoid can not clear previous showed toast
when select net interface , delay UI update after actually want to display listview
move  event process from MainActivity to WizardFragment
refine password process to dialog, remove preference based password check ,more robust
add IpTablesUtil.getState based on preference record
fix missed error display code path
delay server running information UI update after password unlocked