Android Open Source - EasyVote Answer Question List Activity

From Project

Back to project page EasyVote.

License

The source code is released under:

Apache License

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Java Source Code

package com.llanox.mobile.easyvote;
/* w w w  .  j  a  v a  2  s  . c om*/
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;

/**
 * An activity representing a list of AnswerQuestions. 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 AnswerQuestionDetailActivity} 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 AnswerQuestionListFragment} and the item details (if present) is a
 * {@link AnswerQuestionDetailFragment}.
 * <p>
 * This activity also implements the required
 * {@link AnswerQuestionListFragment.Callbacks} interface to listen for item
 * selections.
 */
public class AnswerQuestionListActivity extends Activity implements
    AnswerQuestionListFragment.Callbacks {

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

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_answerquestion_list);

    if (findViewById(R.id.answerquestion_detail_container) != 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.
      ((AnswerQuestionListFragment) getFragmentManager()
          .findFragmentById(R.id.answerquestion_list))
          .setActivateOnItemClick(true);
    }

    // TODO: If exposing deep links into your app, handle intents here.
  }

  /**
   * Callback method from {@link AnswerQuestionListFragment.Callbacks}
   * indicating that the item with the given ID was selected.
   */
  @Override
  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(AnswerQuestionDetailFragment.ARG_ITEM_ID, id);
      AnswerQuestionDetailFragment fragment = new AnswerQuestionDetailFragment();
      fragment.setArguments(arguments);
      getFragmentManager().beginTransaction()
          .replace(R.id.answerquestion_detail_container, fragment)
          .commit();

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

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