Android Open Source - YesNoGame Vote Activity

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License

The source code is released under:

GNU General Public License

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Java Source Code

package example.swa.yesnogame;
/*from   www  .j  a v  a2 s.  c  o m*/
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;
import example.swa.yesnogame.domain.Poll;
import example.swa.yesnogame.domain.User;
import example.swa.yesnogame.domain.Vote;
import example.swa.yesnogame.service.IPollService.ICreateVoteListener;

/**
 * An activity to vote on a poll.
 * 
 * @author Hendrik.Stilke@siemens.com
 * 
 */
public class VoteActivity extends BaseActivity {

  protected void onCancelButtonPressed() {
    callMainActivity();
  }

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

    setupTextFields();
    registerButtonListeners();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.vote, menu);
    return true;
  }

  protected void onVoteButtonPressed() {
    SeekBar seekBar = (SeekBar) findViewById(R.id.vote_seekBar);

    // We need a Vote and a User entity here to create a new vote
    // via the service. This looks incomplete at the first view, But
    // we do only need the keys of user and poll for the
    // service (userId and pollId in php base RESTservice OR
    // userName+polltitle in .NET based RESTservice)
    User u = new User(getLongFromIntent(PROP_USERID), getStringFromIntent(PROP_USERNAME));
    Poll p = new Poll(getLongFromIntent(PROP_POLLID), getStringFromIntent(PROP_POLLTITLE), "", u, true, 1L);
    Vote vote = new Vote(null, u, p, seekBar.getProgress());

    this.pollService.createVote(vote, new ICreateVoteListener() {

      @Override
      public void onVoteCreated(Vote vote) {
        if (vote == null) {
          AlertDialog.Builder builder = new Builder(VoteActivity.this).setMessage(
              R.string.msg_poll_vote_failed).setPositiveButton(android.R.string.ok, null);
          builder.show();
        } else {
          callMainActivity();
        }

      }
    });

  }

  /**
   * Register the listners for the buttons in our activity.
   */
  private void registerButtonListeners() {
    Button voteButton = (Button) findViewById(R.id.vote_btnVote);
    voteButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        onVoteButtonPressed();
      }
    });
    Button cancelButton = (Button) findViewById(R.id.vote_btnCancel);
    cancelButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        onCancelButtonPressed();
      }
    });
  }

  /**
   * Set up the text in teh text fields (user, poll title and question).
   */
  private void setupTextFields() {
    // set user name
    TextView userTextView = (TextView) findViewById(R.id.vote_tvName);
    userTextView.setText(getStringFromIntent(PROP_USERNAME));
    // set poll title
    TextView titleTextView = (TextView) findViewById(R.id.vote_tvTitle);
    titleTextView.setText(getStringFromIntent(PROP_POLLTITLE));
    // set poll question
    TextView questionTextView = (TextView) findViewById(R.id.vote_tvQuestion);
    questionTextView.setText(getStringFromIntent(PROP_POLLQUESTION));
  }

}

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