Android Open Source - observer Places Activity

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GNU General Public License

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Java Source Code

//w  ww  .j  ava  2s  . c o m
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;

 * An activity representing a list of Places. This activity has different
 * presentations for handset and tablet-size devices. On handsets, the activity
 * presents a list of items, which when touched, lead to a {@link TasksActivity}
 * representing item details. On tablets, the activity presents the list of
 * items and item details side-by-side using two vertical panes.
 * <p>
 * The activity makes heavy use of fragments. The list of items is a
 * {@link PlacesFragment} and the item details (if present) is a
 * {@link TaskFragment}.
 * <p>
 * This activity also implements the required {@link PlacesFragment.Callbacks}
 * interface to listen for item selections.
public class PlacesActivity extends FragmentActivity implements
    PlacesFragment.Callbacks {

   * Whether or not the activity is in two-pane mode, i.e. running on a tablet
   * device.
  private boolean mTwoPane;
  private boolean rotated = false;

  protected void onCreate(Bundle savedInstanceState) {

    if (findViewById( != null) {
      // The detail container view will be present only in the
      // large-screen layouts (res/values-large and
      // res/values-sw600dp). If this view is present, then the
      // activity should be in two-pane mode.
      mTwoPane = true;

      // In two-pane mode, list items should be given the
      // 'activated' state when touched.
      ((PlacesFragment) getSupportFragmentManager().findFragmentById(

   * Callback method from {@link PlacesFragment.Callbacks} indicating that the
   * item with the given ID was selected.
  public void onItemSelected(String id) {
    if (mTwoPane) {
      // In two-pane mode, show the detail view in this activity by
      // adding or replacing the detail fragment using a
      // fragment transaction.
      Bundle arguments = new Bundle();
      arguments.putString(TaskFragment.ARG_ITEM_ID, id);
      TaskFragment fragment = new TaskFragment();
          .replace(, fragment).commit();

    } else {
      // In single-pane mode, simply start the detail activity
      // for the selected item ID.
      Intent detailIntent = new Intent(this, TasksActivity.class);
      detailIntent.putExtra(TaskFragment.ARG_ITEM_ID, id);

  public void onStop() {

Java Source Code List