Android Open Source - arcgis-runtime-samples-android Routing List Fragment

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License

The source code is released under:

Apache License

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Java Source Code

package com.esri.arcgis.android.samples.routing;
//ww  w. j  a v a  2 s . co m
import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ListView;
import android.widget.Switch;
import android.widget.TextView;

/*
 * This fragment populates the Navigation Drawer with
 * a customized listview and also provides the interface 
 * for communicating with the activity.
 */
public class RoutingListFragment extends Fragment implements
    ListView.OnItemClickListener, TextToSpeech.OnInitListener {
  public static ListView mDrawerList;
  onDrawerListSelectedListener mCallback;
  private TextToSpeech tts;
  private boolean isSoundOn = true;

  // Container Activity must implement this interface
  public interface onDrawerListSelectedListener {
    public void onSegmentSelected(String segment);
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }

  @Override
  public void onAttach(Activity activity) {

    super.onAttach(activity);

    try {
      mCallback = (onDrawerListSelectedListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement onDrawerListSelectedListener");
    }

    setHasOptionsMenu(true);

  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    tts = new TextToSpeech(getActivity(), this);

    MyAdapter adapter = new MyAdapter(getActivity(),
        RoutingSample.curDirections);
    mDrawerList = (ListView) getActivity().findViewById(R.id.right_drawer);

    mDrawerList.setAdapter(adapter);
    mDrawerList.setOnItemClickListener(this);

    Switch sound_toggle = (Switch) getActivity().findViewById(R.id.switch1);
    sound_toggle.setOnCheckedChangeListener(new OnCheckedChangeListener() {

      @Override
      public void onCheckedChanged(CompoundButton buttonView,
          boolean isChecked) {
        isSoundOn = isChecked;
      }
    });

  }

  @Override
  public void onItemClick(AdapterView<?> parent, View view, int position,
      long id) {
    TextView segment = (TextView) view.findViewById(R.id.segment);
    RoutingSample.mDrawerLayout.closeDrawers();
    if (isSoundOn)
      speakOut(segment.getText().toString());
    mCallback.onSegmentSelected(segment.getText().toString());
  }

  private void speakOut(String text) {
    tts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
  }

  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    inflater.inflate(R.menu.action_layout, menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.direction:
      if (RoutingSample.mDrawerLayout.isDrawerOpen(Gravity.END)) {
        RoutingSample.mDrawerLayout.closeDrawers();
      } else {
        RoutingSample.mDrawerLayout.openDrawer(Gravity.END);
      }
      return true;

    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  public void onInit(int status) {

  }

  @Override
  public void onStop() {
    super.onStop();
    tts.shutdown();

  }

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

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