Android Open Source - android-whereami Fragment Current Location

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License

The source code is released under:

GNU General Public License

Java Source Code

package de.uvwxy.whereami.fragments;
/*from w w  w. java  2  s  .  c  om*/
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;
import de.uvwxy.helper.IntentTools;
import de.uvwxy.units.Unit;
import de.uvwxy.whereami.ActionShare;
import de.uvwxy.whereami.ActivityMain;
import de.uvwxy.whereami.Converter;
import de.uvwxy.whereami.R;

@SuppressWarnings("unused")
public class FragmentCurrentLocation extends Fragment {
  private ScrollView scrollView1 = null;
  private TextView tvLat = null;
  private TextView tvLon = null;
  private TextView tvAlt = null;
  private TextView tvBearing = null;
  private TextView tvSpeed = null;
  private TextView tvAcc = null;
  private TextView tvProvider = null;
  public ToggleButton swUpdates = null;
  private Button btnSave = null;
  private Button btnSend = null;
  private Button btnShow = null;
  
  private ActivityMain dhis;

  private void initGUI(View rootView) {
    scrollView1 = (ScrollView) rootView.findViewById(R.id.scrollView1);
    tvLat = (TextView) rootView.findViewById(R.id.tvLat);
    tvLon = (TextView) rootView.findViewById(R.id.tvLon);
    tvAlt = (TextView) rootView.findViewById(R.id.tvAlt);
    tvBearing = (TextView) rootView.findViewById(R.id.tvBearing);
    tvSpeed = (TextView) rootView.findViewById(R.id.tvSpeed);
    tvAcc = (TextView) rootView.findViewById(R.id.tvAcc);
    tvProvider = (TextView) rootView.findViewById(R.id.tvProvider);
    swUpdates = (ToggleButton) rootView.findViewById(R.id.swUpdates);
    btnSave = (Button) rootView.findViewById(R.id.btnSave);
    btnSend = (Button) rootView.findViewById(R.id.btnSend);
    btnShow = (Button) rootView.findViewById(R.id.btnShow);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_current_location, container, false);
    dhis = ActivityMain.dhis;
    
    initGUI(rootView);

    swUpdates.setChecked(ActivityMain.mLocationUpdatesEnabled);
    initClicks();

    updateLocation(dhis.mLastLocation != null ? dhis.mLastLocation : new Location(getActivity()
        .getString(R.string._no_fix_)));

    return rootView;
  }

  private void initClicks() {
    swUpdates.setOnCheckedChangeListener(new OnCheckedChangeListener() {

      @Override
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        ActivityMain.mLocationUpdatesEnabled = isChecked;
        if (ActivityMain.mLocationUpdatesEnabled) {
          ActivityMain.mLoc.getReader().startReading();
        } else {
          ActivityMain.mLoc.getReader().stopReading();
        }
      }
    });

    btnSave.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        final Location loc = dhis.mLastLocation;
        if (loc == null) {
          Toast.makeText(getActivity(), R.string.no_location_yet, Toast.LENGTH_SHORT).show();
          return;
        }

        // set time to when it was saved, not when it was received.
        // this way a single location can be added multiple times.
        // nobody wants this, but it can happen, entering into db will fail
        // hinders testing somehow
        loc.setTime(System.currentTimeMillis());

        final EditText etName = new EditText(getActivity());

        AlertDialog.Builder alertDialog = new AlertDialog.Builder(getActivity());

        alertDialog.setPositiveButton(R.string.save, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            String msg = null;
            long ret = dhis.mData.addEntry(Converter.createLoc(etName.getText().toString(), loc));

            if (ret == -1) {
              msg = getActivity().getString(R.string.failed_to_add_entry_to_db);
            } else {
              msg = getActivity().getString(R.string.added_entry_to_db);
              dhis.updateLists();
            }
            Toast.makeText(getActivity(), msg, Toast.LENGTH_LONG).show();
          }
        });
        alertDialog.setView(etName);
        alertDialog.setNegativeButton(R.string.cancel, null);
        alertDialog.setMessage(R.string.please_provide_a_name_for_this_location_);
        alertDialog.setTitle(R.string.save_location);
        alertDialog.show();
      }
    });

    btnSend.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        final Location loc = dhis.mLastLocation;
        if (loc == null) {
          Toast.makeText(getActivity(), R.string.no_location_yet, Toast.LENGTH_SHORT).show();
          return;
        }
        Log.d("WAI", dhis.mLastLocation.toString());

        ActionShare.share(getActivity(), loc);
      }
    });
    
    btnShow.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View arg0) {
        final Location loc = dhis.mLastLocation;
        if (loc != null){
          IntentTools.showLocation(getActivity(), loc.getLatitude(), loc.getLongitude());
        }
      }
    });
  }

  public void updateLocation(Location l) {

    tvLat.setText(Unit.from(Unit.DEGREES).setPrecision(6).setValue(l.getLatitude()).to(ActivityMain.mUnitA).toString());
    tvLon.setText(Unit.from(Unit.DEGREES).setPrecision(6).setValue(l.getLongitude()).to(ActivityMain.mUnitA).toString());
    tvBearing.setText(Unit.from(Unit.DEGREES).setPrecision(1).setValue(l.getBearing()).toString());

    tvAlt.setText(Unit.from(Unit.METRE).setValue(l.getAltitude()).to(ActivityMain.mUnitL).toString());
    tvAcc.setText(Unit.from(Unit.METRE).setValue(l.getAccuracy()).to(ActivityMain.mUnitL).toString());

    tvSpeed.setText(Unit.from(Unit.METRES_PER_SECOND).setValue(l.getSpeed()).to(ActivityMain.mUnitV).toString());

    tvProvider.setText(l.getProvider());
  }

  @Override
  public void onResume() {
    super.onResume();
  }

  @Override
  public void onPause() {
    super.onPause();
  }

}

Java Source Code List

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