Android CustomAdapter从片段接收浮点变量数组并返回0
我有一个包含图片、字符串和浮动的列表视图（计算从当前位置到特定位置的距离） 我的片段：Android CustomAdapter从片段接收浮点变量数组并返回0,android,arrays,android-fragments,location,baseadapter,Android,Arrays,Android Fragments,Location,Baseadapter,我有一个包含图片、字符串和浮动的列表视图（计算从当前位置到特定位置的距离） 我的片段： public class LocationsFragment extends Fragment implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { public float distance1, distance2; int [] prgmImages={R.dra
public class LocationsFragment extends Fragment implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
public float distance1, distance2;
int [] prgmImages={R.drawable.s,R.drawable.s};
String [] prgmNameList={"Arad","Bacau2"};
float [] distLoc={distance1,distance2};
...
...
@Override
public void onConnected(Bundle connectionHint) {
mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
if (mLastLocation != null) {
Location locard = new Location("arad");
locard.setLatitude(46.173074);
locard.setLongitude(21.316986);
Location locbac2 = new Location("bac2");
locbac2.setLatitude(46.512778);
locbac2.setLongitude(26.926374);
distance1 = mLastLocation.distanceTo(locard)/1000;
distance2 = mLastLocation.distanceTo(locbac2)/1000;
...
public class CustomAdapter extends BaseAdapter {
private Context context;
String [] result;
float [] dist;
int [] imageId;
private static LayoutInflater inflater=null;
public CustomAdapter(Main main, String[] prgmNameList, int[] prgmImages, float[] distLoc) {
// TODO Auto-generated constructor stub
result=prgmNameList;
context=main;
imageId=prgmImages;
dist=distLoc;
inflater = ( LayoutInflater )context.
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return result.length;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public class Holder
{
TextView tv;
ImageView img;
TextView dist;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
Holder holder=new Holder();
View rowView;
rowView = inflater.inflate(R.layout.listitem, null);
holder.tv=(TextView) rowView.findViewById(R.id.firstLine);
holder.img=(ImageView) rowView.findViewById(R.id.icon);
holder.dist=(TextView) rowView.findViewById(R.id.dist);
holder.tv.setText(result[position]);
holder.dist.setText(String.valueOf(dist[position]));
holder.img.setImageResource(imageId[position]);
rowView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
{switch (position) {
case 0:Intent intent= new Intent(context, Arad.class);
context.startActivity(intent);
break;
case 1:Intent intent2= new Intent(context, Bacau2.class);
context.startActivity(intent2);
break;
case 2:
break;
case 3:
break;
case 4:
}
}
}
});
return rowView;
}
}