Android Open Source - introToDroid4ed View Sample Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.introtoandroid.viewsamples;
/* w w w .  ja  v  a  2s. c om*/
import android.content.Intent;
import android.util.Log;
import android.view.MenuItem;
import android.view.SubMenu;

public class ViewSampleActivity extends MenuActivity {
  public final static String debugTag = "ViewSample";

  void prepareMenu() {
    addMenuItem("Forms", FormsActivity.class);
    addMenuItem("Indicators", IndicatorsActivity.class);
    addMenuItem("Containers", ContainersActivity.class);
    addMenuItem("Text Display", TextDisplayActivity.class);
    addMenuItem("Events", EventsActivity.class);
  }

    @Override
  public boolean onCreateOptionsMenu(
      android.view.Menu menu) {
       super.onCreateOptionsMenu(menu);
       
       menu.add("Forms")
           .setIcon(android.R.drawable.ic_menu_edit)
           .setIntent(new Intent(this, FormsActivity.class));
       menu.add("Indicators")
           .setIntent(new Intent(this, IndicatorsActivity.class))
           .setIcon(android.R.drawable.ic_menu_info_details);
       menu.add("Containers")
           .setIcon(android.R.drawable.ic_menu_view)
           .setIntent(new Intent(this, ContainersActivity.class));
       
       SubMenu style_choice = menu.addSubMenu("Style").setIcon(android.R.drawable.ic_menu_preferences);
       style_choice.add(style_group, light_id, 1, "Light").setChecked(isLight);
       style_choice.add(style_group, dark_id, 2, "Dark").setChecked(!isLight);
       style_choice.setGroupCheckable(style_group, true, true);
               
       Log.d(ViewSampleActivity.debugTag, "onCreateOptionsMenu() called");
       
       return true;
  }

    private static final int light_id = 1;
    private static final int dark_id = 2;
    private static final int style_group = 1;
    private boolean isLight = true;

    @Override
  public boolean onOptionsItemSelected(MenuItem item) {
      if (item.getItemId() == light_id) {
         item.setChecked(true);
         isLight = true;
         return true;
      } else if (item.getItemId() == dark_id) {
          item.setChecked(true);
          isLight = false;
          return true;
      }   
      return super.onOptionsItemSelected(item);
  }
}

Java Source Code List

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