Android Open Source - WhatsUp Position Picker Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

package nu.placebo.whatsup.activity;
//from ww w.  ja va 2s .c  o  m
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import nu.placebo.whatsup.R;
import nu.placebo.whatsup.constants.Constants;
import nu.placebo.whatsup.ctrl.SessionHandler;
import nu.placebo.whatsup.datahandling.DataProvider;
import nu.placebo.whatsup.util.GeoPointUtil;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;

/**
 * Clean map for picking positions.
 * 
 * @author Max Witt
 */

public class PositionPickerActivity extends MapActivity implements
    OnClickListener {

  private MapView mapView;
  private int requestCode;
  private List<String> existingNames = new ArrayList<String>();

  @Override
  public void onCreate(Bundle savedInstance) {
    super.onCreate(savedInstance);
    setContentView(R.layout.position_picker_view);

    this.requestCode = this.getIntent().getExtras().getInt("requestCode");
    
    TextView typeText = (TextView) this.findViewById(R.id.activity_name);
    EditText refName = (EditText) this.findViewById(R.id.position_name);

    if (this.requestCode == Constants.ANNOTATION) {
      refName.setVisibility(View.GONE);
      typeText.setText("New Annotation");
    } else if (this.requestCode == Constants.REFERENCE_POINT) {
      existingNames = Arrays.asList(getIntent().getExtras().getStringArray("existing_names"));
      refName.setVisibility(View.VISIBLE);
      typeText.setText("New Reference Point");

    } else {
      this.finish();
    }

    mapView = (MapView) findViewById(R.id.position_picker_mapview);
    mapView.setBuiltInZoomControls(true);
    Button selectPosition = (Button) findViewById(R.id.select_position);
    selectPosition.setOnClickListener(this);
  }

  @Override
  protected boolean isRouteDisplayed() {
    return false;
  }

  @Override
  protected void onResume() {
    if (this.requestCode == Constants.ANNOTATION && !SessionHandler.getInstance(this).hasSession()) {
      Intent intent = new Intent(this, LoginRegTabActivity.class);
      this.startActivityForResult(intent, Constants.LOG_IN);
    }
    super.onResume();
  }

  public void onClick(View v) {
    if (v.getId() == R.id.select_position) {
      GeoPoint p = mapView.getMapCenter();
      if (this.requestCode == Constants.ANNOTATION) {
        Intent intent = new Intent(this, CreateAnnotationActivity.class);
        intent.putExtras(GeoPointUtil.pushGeoPoint(p));
        this.startActivityForResult(intent, Constants.ANNOTATION);
      }

      if (this.requestCode == Constants.REFERENCE_POINT) {
        String refName = ((EditText) this
            .findViewById(R.id.position_name)).getText().toString();
        if (existingNames.contains(refName)) {
          Toast.makeText(getApplicationContext(), "Name already exists",
                               Toast.LENGTH_SHORT).show();
        } else if(!refName.equals("")) {
          DataProvider.getDataProvider(this).addReferencePoint(p,
              refName);
          this.finish();
        }
      }
    }
  }

  /*
   * (non-Javadoc)
   * 
   * @see android.app.Activity#onActivityResult(int, int,
   * android.content.Intent)
   */
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    Log.d("whatsup", "Returned to PositionPickerActivity with resultCode: "
        + resultCode);
    if (requestCode == Constants.ANNOTATION) {
      if (resultCode == Constants.ACTIVITY_FINISHED_OK) {
        Log.d("whatsup", "CreateAnnotationActivity finished OK");
        this.finish();
      }
      if (resultCode == Constants.ACTIVITY_INTERRUPTED) {
        Log.d("whatsup", "CreateAnnotationActivity did interrupt");
      }
    }

    if (requestCode == Constants.LOG_IN) {
      if (resultCode == RESULT_CANCELED) {
        this.finish();
      }
      if (resultCode == Constants.ACTIVITY_FINISHED_OK) {
        this.onResume();
      }
    }

    super.onActivityResult(requestCode, resultCode, data);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuHelper.inflate(menu, this.getMenuInflater());
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    return MenuHelper.onOptionsItemSelected(item, this);
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    return MenuHelper.onPrepareOptionsMenu(menu, this);
  }
}
Java Source Code List
