Yoctopuce Yocto-GPS, User Manual

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A real example
Launch you Java environment and open the corresponding sample project provided in the directory
Examples//Doc-Examples of the Yoctopuce library.
In this example, you can recognize the functions explained above, but this time used with all the side
materials needed to make it work nicely as a small demo.
package com.yoctopuce.doc_examples ;
import android.app.Activity ;
import android.os.Bundle ;
import android.os.Handler ;
import android.view.View ;
import android.widget.AdapterView ;
import android.widget.AdapterView.OnItemSelectedListener ;
import android.widget.ArrayAdapter ;
import android.widget.Spinner ;
import android.widget.TextView ;
import com.yoctopuce.YoctoAPI.YAPI ;
import com.yoctopuce.YoctoAPI.YAPI_Exception ;
import com.yoctopuce.YoctoAPI.YAltitude ;
import com.yoctopuce.YoctoAPI.YGps ;
import com.yoctopuce.YoctoAPI.YModule ;
import com.yoctopuce.YoctoAPI.YPressure ;
import com.yoctopuce.YoctoAPI.YTemperature ;
public class GettingStarted_Yocto_GPS extends Activity implements OnItemSelectedListener {
private ArrayAdapter<String> aa;
private String serial = "" ;
private Handler handler = null ;
@Override
public void onCreate ( Bundle savedInstanceState ) {
super . onCreate ( savedInstanceState ) ;
setContentView ( R. layout . gettingstarted_yocto_gps ) ;
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 ) ;
handler = new Handler () ;
}
@Override
protected void onStart () {
super . onStart () ;
try {
aa. clear () ;
YAPI. EnableUSBHost (this) ;
YAPI. RegisterHub ( "usb" ) ;
YModule module = YModule. FirstModule () ;
while ( module != null ) {
if ( module. get_productName () . equals ( "Yocto-GPS" )) {
String serial = module. get_serialNumber () ;
aa. add ( serial ) ;
}
module = module. nextModule () ;
}
} catch ( YAPI_Exception e ) {
e. printStackTrace () ;
}
aa. notifyDataSetChanged () ;
handler. postDelayed ( r, 500 ) ;
}
@Override
protected void onStop () {
super . onStop () ;
handler. removeCallbacks ( r ) ;
YAPI. FreeAPI () ;
}
@Override
16. Using the Yocto-GPS with Android
www.yoctopuce.com 109