Android Open Source - ingress-key-counter Main Fragment

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License

The source code is released under:

MIT License

Java Source Code

package de.lehrbaum.keycounter;
/* w w w. j  a  v  a2 s  . com*/
import java.util.List;

import android.app.ListFragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import de.lehrbaum.keycounter.MainActivity.OnTextInputSubmitted;

public class MainFragment extends ListFragment {
  private static final String TAG = MainFragment.class
    .getCanonicalName();
  /**
   * This is the maximum number of keys that can be displayed in the view. Change this value if you
   * want to display more or less keys Saved as double to make devision results double too.
   */
  public static double MAX_KEYS = 10d;
  
  private PortalList portals;
  private CounterListAdapter adapter;
  private Category currentCat;//the id of the current category
  
  @Override
  public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater,
    ViewGroup container, Bundle savedInstanceState) {
    DatabaseHandler dh = new DatabaseHandler(getActivity());
    List<Category> cats = dh.getCategories();
    if (cats.size() == 0)//add default category
      cats.add(new Category(getActivity(), "Default"));
    //take the first category as current one
    currentCat = cats.get(0);
    portals = new PortalList(dh, currentCat);
    adapter = new CounterListAdapter(getActivity(), portals);
    setListAdapter(adapter);
    return super.onCreateView(inflater, container,
      savedInstanceState);
  }
  
  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    Log.d(MainFragment.TAG, "On create options menu");
    inflater.inflate(R.menu.menu_main, menu);
    List<Category> cats = new DatabaseHandler(getActivity())
      .getCategories();
    for (Category c : cats) {
      MenuItem item = menu.add(R.id.group_cats, c.getId(),
        Menu.NONE, c.getName());
      menu.setGroupCheckable(R.id.group_cats, true, true);
      item.setCheckable(true);
      if (currentCat.equals(c))
        item.setChecked(true);
    }
    super.onCreateOptionsMenu(menu, inflater);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == R.id.add) {
      onAddClicked();
      return true;
    }
    if (item.getGroupId() == R.id.group_cats) {
      //The user selected one of the categories
      DatabaseHandler dh = new DatabaseHandler(getActivity());
      List<Category> cats = dh.getCategories();
      for (Category c : cats) {
        if (item.getItemId() == c.getId()) {
          if (currentCat.equals(c))
            return false;
          //category was changed
          currentCat = c;
          portals.changeCategory(currentCat);
          adapter.notifyDataSetChanged();
          item.setChecked(true);
          return true;
        }
      }
      Log.d(MainFragment.TAG, "The id of the selected menu item "
        + item.getItemId() + " did not match any cat");
      return false;//did not match the categories. ackward
    }
    return super.onOptionsItemSelected(item);
  }
  
  /**
   * Called when the menu Item add is clicked.
   */
  public void onAddClicked() {
    OnTextInputSubmitted inputProcessor = new OnTextInputSubmitted() {
      @Override
      public void processInput(String input) {
        portals.add(new Portal(getActivity(), input));
        MainFragment.this.getActivity().runOnUiThread(
          new Runnable() {
            @Override
            public void run() {
              adapter.notifyDataSetChanged();
            }
          });
      }
    };
    MainActivity.showTextInputDialog(getActivity(),
      R.string.newPortalTitle, R.string.newPortalMessage,
      inputProcessor);
  }
}

Java Source Code List

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