我正在尝试在 a 中显示纬度和经度值TextView
,但是在运行项目时不显示这些值。任何人都可以帮助我吗?,提前谢谢你。我的代码如下:
GeocodingActivity.class
public class GeocodingActivity extends Activity {
LocationManager locman;
Criteria cri;
LocationProvider locpro;
AlertDialog.Builder builder;
Handler handler;
TextView t1;
LocationListener loclis;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
t1=(TextView)findViewById(R.id.textView1);
locman=(LocationManager) getSystemService(Context.LOCATION_SERVICE);
handler=new Handler(){
public void handle(Message msg){
switch(msg.what){
case 1:
t1.setText((String)msg.obj);
break;
}
}
loclis=new LocationListener(){
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
Message.obtain(handler, 1, arg0.getLatitude()+","+arg0.getLongitude()).sendToTarget();
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status,
Bundle extras) {
}
};
}
}