question: protected void savePassCodeAndExit ( ) { Intent resultIntent = new Intent ( ) ; resultIntent . putExtra ( KEY_PASSCODE , mPassCodeDigits [ 0 ] + mPassCodeDigits [ 1 ] + mPassCodeDigits [ 2 ] + mPassCodeDigits [ 3 ] ) ; setResult ( RESULT_OK , resultIntent ) ; finish ( ) ; }
target:  Saves the pass code input by the user as the current pass code.