Yoctopuce Yocto-RangeFinder, User Manual, Page: 115 / 497

@Override
public void onCreate ( Bundle savedInstanceState )
{
super . onCreate ( savedInstanceState ) ;
setContentView ( R. layout . modulecontrol ) ;
Spinner my_spin = ( Spinner ) findViewById ( R. id . spinner1 ) ;
my_spin. setOnItemSelectedListener (this) ;
aa = new ArrayAdapter<String> (this , android. R . layout . simple_spinner_item ) ;
aa. setDropDownViewResource ( android. R . layout . simple_spinner_dropdown_item ) ;
my_spin. setAdapter ( aa ) ;
}
@Override
protected void onStart ()
{
super . onStart () ;
try {
aa. clear () ;
YAPI. EnableUSBHost (this) ;
YAPI. RegisterHub ( "usb" ) ;
YModule r = YModule. FirstModule () ;
while ( r != null ) {
String hwid = r. get_hardwareId () ;
aa. add ( hwid ) ;
r = r. nextModule () ;
}
} catch ( YAPI_Exception e ) {
e. printStackTrace () ;
}
// refresh Spinner with detected relay
aa. notifyDataSetChanged () ;
}
@Override
protected void onStop ()
{
super . onStop () ;
YAPI. FreeAPI () ;
}
private void DisplayModuleInfo ()
{
TextView field;
if ( module == null )
return ;
try {
field = ( TextView ) findViewById ( R. id . serialfield ) ;
field. setText ( module. getSerialNumber ()) ;
field = ( TextView ) findViewById ( R. id . logicalnamefield ) ;
field. setText ( module. getLogicalName ()) ;
field = ( TextView ) findViewById ( R. id . luminosityfield ) ;
field. setText ( String . format ( "%d%%" , module. getLuminosity ())) ;
field = ( TextView ) findViewById ( R. id . uptimefield ) ;
field. setText ( module. getUpTime () / 1000 + " sec" ) ;
field = ( TextView ) findViewById ( R. id . usbcurrentfield ) ;
field. setText ( module. getUsbCurrent () + " mA" ) ;
Switch sw = (Switch) findViewById ( R. id . beaconswitch ) ;
sw. setChecked ( module. getBeacon () == YModule. BEACON_ON ) ;
field = ( TextView ) findViewById ( R. id . logs ) ;
field. setText ( module. get_lastLogs ()) ;
} catch ( YAPI_Exception e ) {
e. printStackTrace () ;
}
}
@Override
public void onItemSelected ( AdapterView<?> parent, View view, int pos, long id )
{
String hwid = parent. getItemAtPosition ( pos ) . toString () ;
module = YModule. FindModule ( hwid ) ;
DisplayModuleInfo () ;
}
@Override
public void onNothingSelected ( AdapterView<?> arg0 )
{
17. Using the Yocto-RangeFinder with Android
www.yoctopuce.com 109