Android Open Source - arcgis-runtime-samples-android Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.arcgis.android.samples.milsym2525c;
/*from  w  w  w.j  a  va2  s  .com*/
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.xmlpull.v1.XmlPullParserException;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

import com.arcgis.android.samples.milsym2525c.Mil2525cMessageParser.GeoMessage;
import com.esri.android.map.GraphicsLayer;
import com.esri.android.map.Layer;
import com.esri.android.map.MapView;
import com.esri.android.map.event.OnLongPressListener;
import com.esri.android.map.event.OnSingleTapListener;
import com.esri.core.geometry.Geometry;
import com.esri.core.geometry.Point;
import com.esri.core.map.Graphic;
import com.esri.core.symbol.advanced.Message;
import com.esri.core.symbol.advanced.MessageGroupLayer;
import com.esri.core.symbol.advanced.MessageHelper;
import com.esri.core.symbol.advanced.MessageProcessor;
import com.esri.core.symbol.advanced.SymbolDictionary.DictionaryType;

public class MainActivity extends Activity {

  MapView mMapView;
  MessageProcessor mProcessor;

  private MessageGroupLayer messageGrLayer;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mMapView = (MapView) findViewById(R.id.map);

    try {
      messageGrLayer = new MessageGroupLayer(DictionaryType.MIL2525C);
      mMapView.addLayer(messageGrLayer);
      mProcessor = messageGrLayer.getMessageProcessor();
    } catch (FileNotFoundException e1) {
      e1.printStackTrace();
    }

    mMapView.setOnSingleTapListener(new OnSingleTapListener() {

      private static final long serialVersionUID = 1L;

      @Override
      public void onSingleTap(float x, float y) {
        InputStream is = getResources().openRawResource(R.raw.symbols);
        // instantiate the parser
        Mil2525cMessageParser mil2525cParser = new Mil2525cMessageParser();
        List<GeoMessage> geoMessages = null;
        try {
          geoMessages = mil2525cParser.parse(is);

        } catch (XmlPullParserException ex){
                    Log.e("ERROR", ex.getLocalizedMessage());
                } catch (IOException e) {
          e.printStackTrace();
        } finally { // make sure InputStream is closed after the app is
              // finished
          if (is != null) {
            try {
              is.close();
            } catch (IOException e) {
              e.printStackTrace();
            }
          }
        }

        for (GeoMessage geoMessage : geoMessages) {
          // Message creation
          Message message = new Message();

          message.setProperty("_name", geoMessage.name);
          message.setProperty("_Type", geoMessage.type);
          message.setProperty("_Action", geoMessage.action);
          message.setID(geoMessage.id);
          message.setProperty("_Control_Points",
              geoMessage.controlpoints);
          Log.i("Test", "control point:" + geoMessage.controlpoints);
          message.setProperty("_WKID", geoMessage.wkid);
          message.setProperty("sic", geoMessage.sic);
          Log.i("Test", "sic: " + geoMessage.sic);
          message.setProperty("UniqueDesignation",
              geoMessage.uniquedesignation);

          mProcessor.processMessage(message);

          Log.i("Test", String.valueOf(messageGrLayer.count()));
        }

      }
    });

    mMapView.setOnLongPressListener(new OnLongPressListener() {
      private static final long serialVersionUID = 1L;

      @Override
      public boolean onLongPress(float x, float y) {
        // get to the layer where the selected graphic is
        Layer[] layers = messageGrLayer.getLayers();
        for (Layer layer : layers) {
          if (layer instanceof GraphicsLayer) {
                        GraphicsLayer gLayer = (GraphicsLayer) layer;
            int[] graphics = gLayer.getGraphicIDs(x, y, 50);
            if (graphics != null && graphics.length > 0) {
              Log.d("Test", "Graphic is found");
              // Create graphic
              Graphic graphic = gLayer.getGraphic(graphics[0]);
              Geometry geom = graphic.getGeometry();
              Point targetControlPnt = null;
              if (geom instanceof Point) {
                Point pnt = (Point) geom;
                Point screenPnt = mMapView.toScreenPoint(pnt);
                screenPnt = new Point(screenPnt.getX() + 50,
                    screenPnt.getY() - 50);
                targetControlPnt = mMapView
                    .toMapPoint(screenPnt);
                Log.d("Test", "x: " + targetControlPnt.getX()
                    + "; y: " + targetControlPnt.getY());
              }

              Message message = mProcessor
                  .createMessageFrom(graphic);
              String controlPoints = (String) message
                  .getProperty(MessageHelper.MESSAGE_2525C_CONTROL_POINTS_PROPERTY_NAME);
              Log.i("Test", "control point:" + controlPoints);
              if (targetControlPnt != null) {
                message.setProperty(
                    MessageHelper.MESSAGE_2525C_CONTROL_POINTS_PROPERTY_NAME,
                    targetControlPnt.getX() + ","
                        + targetControlPnt.getY());
              }
              message.setProperty("_Action", "update");
              mProcessor.processMessage(message);

            }
          }
        }

        return true;
      }
    });

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    return id == R.id.action_settings || super.onOptionsItemSelected(item);
  }

}

Java Source Code List

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