Android Open Source - arcgis-runtime-samples-android Geometry Sample Activity

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The source code is released under:
Apache License
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Java Source Code

/* Copyright 2013 ESRI
 *//from   www  .ja  v  a  2s  .  c  om
 * All rights reserved under the copyright laws of the United States
 * and applicable international laws, treaties, and conventions.
 *
 * You may freely redistribute and use this sample code, with or
 * without modification, provided you include the original copyright
 * notice and use restrictions.
 *
 * See the sample code usage restrictions document for further information. 
 */

package com.arcgis.android.samples.geometrysample;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTransaction;

public class GeometrySampleActivity extends FragmentActivity implements
    SampleListFragment.OnSampleNameSelectedListener {

  BufferFragment bufferFrag;

  UnionDifferenceFragment uniondiffFrag;

  SpatialRelationshipsFragment spatialrelationFrag;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.geometry_samples);

    // Check whether the activity is using the layout version with
    // the fragment_container FrameLayout. If so, we must add the first
    // fragment
    if (findViewById(R.id.fragment_container) != null) {

      // However, if we're being restored from a previous state,
      // then we don't need to do anything and should return or else
      // we could end up with overlapping fragments.
      if (savedInstanceState != null) {
        return;
      }

      // Create an instance of the SampleListFragment
      SampleListFragment firstFragment = new SampleListFragment();

      // In case this activity was started with special instructions from
      // an Intent,
      // pass the Intent's extras to the fragment as arguments
      firstFragment.setArguments(getIntent().getExtras());

      // Add the fragment to the 'fragment_container' FrameLayout
      getSupportFragmentManager().beginTransaction()
          .add(R.id.fragment_container, firstFragment).commit();
    }
  }

  public void onArticleSelected(int position) {

    FragmentTransaction fragTransaction = getSupportFragmentManager()
        .beginTransaction();

    if (bufferFrag != null && !bufferFrag.isDetached()) {

      fragTransaction.detach(bufferFrag);
      bufferFrag = null;
    }

    if (uniondiffFrag != null && !uniondiffFrag.isDetached()) {

      fragTransaction.detach(uniondiffFrag);
      uniondiffFrag = null;
    }

    if (spatialrelationFrag != null && !spatialrelationFrag.isDetached()) {

      fragTransaction.detach(spatialrelationFrag);
      spatialrelationFrag = null;
    }

    switch (position) {
    case 0:

      if (bufferFrag == null || bufferFrag.getShownIndex() != position) {
        // Make new fragment to show this selection.
        bufferFrag = BufferFragment.newInstance(position);

        // Execute a transaction, replacing any existing fragment
        // with this one inside the frame.

        fragTransaction.add(R.id.sample_fragment, bufferFrag);

        fragTransaction.setTransition(FragmentTransaction.TRANSIT_NONE);
        fragTransaction.commit();
      }

      break;

    case 1:

      if (uniondiffFrag == null
          || uniondiffFrag.getShownIndex() != position) {
        // Make new fragment to show this selection.
        uniondiffFrag = UnionDifferenceFragment.newInstance(position);

        // Execute a transaction, replacing any existing fragment
        // with this one inside the frame.

        fragTransaction.add(R.id.sample_fragment, uniondiffFrag);

        fragTransaction.setTransition(FragmentTransaction.TRANSIT_NONE);
        fragTransaction.commit();
      }

      break;

    case 2:

      if (spatialrelationFrag == null
          || spatialrelationFrag.getShownIndex() != position) {
        // Make new fragment to show this selection.
        spatialrelationFrag = SpatialRelationshipsFragment
            .newInstance(position);

        // Execute a transaction, replacing any existing fragment
        // with this one inside the frame.

        fragTransaction.add(R.id.sample_fragment, spatialrelationFrag);

        fragTransaction.setTransition(FragmentTransaction.TRANSIT_NONE);
        fragTransaction.commit();
      }

      break;

    default:
      break;

    }
  }
}
Java Source Code List
