Android Open Source - formulize-android Screen List Activity

From Project

License

The source code is released under:
GNU General Public License
If you think the Android project formulize-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package ca.formulize.android.ui;
//  w w  w .  j a va  2s.c o  m
import android.annotation.TargetApi;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import ca.formulize.android.R;
import ca.formulize.android.connection.FUserSession;
import ca.formulize.android.data.FormulizeApplication;
import ca.formulize.android.data.FormulizeLink;

/**
 * Displays the available screens of a chosen application. The activity expects
 * to given an array of FormulizeLink in the intent is receives, it would
 * display this array of links in a ListView. When the user selects an item on
 * the list, ScreenWebActivity would be opened, with the sid of the
 * corresponding item within the intent.
 * 
 * @author timch326
 * 
 */
public class ScreenListActivity extends FragmentActivity {

  public static final String EXTRA_SCREENS_AVAILABLE = "ca.formulize.android.extras.currentApplication";
  public static final String EXTRA_APP_ID = "ca.formulize.android.extras.applicationID";

  private FormulizeApplication currentApplication;
  private ArrayAdapter<FormulizeLink> linksAdapter;
  private ListView linksListView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Show the Up button in the action bar.
    setupActionBar();

    // Get selected application
    Intent screenListIntent = getIntent();
    currentApplication = screenListIntent
        .getParcelableExtra(EXTRA_SCREENS_AVAILABLE);
    setTitle(currentApplication.getName());

    // Initialize list of available screens for the application
    FormulizeLink[] links = currentApplication.getLinks();
    linksAdapter = new ArrayAdapter<FormulizeLink>(this,
        android.R.layout.simple_list_item_1, links);

    // Set up the list view's adapter and click listener
    linksListView = new ListView(this);
    linksListView.setAdapter(linksAdapter);
    linksListView.setOnItemClickListener(new ScreenListClickListener());
    setContentView(linksListView);
  }
  
  @Override
  protected void onResume() {
    super.onResume();
    FUserSession.getInstance().startKeepAliveSession(this);
  }
  
  @Override
  protected void onPause() {
    super.onPause();
    FUserSession.getInstance().endKeepAliveSession(this);
  }

  @Override
  public void onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);

    savedInstanceState.putParcelable(EXTRA_SCREENS_AVAILABLE,
        currentApplication);
  }

  @Override
  public void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);

    currentApplication = savedInstanceState
        .getParcelable(EXTRA_SCREENS_AVAILABLE);
  }

  /**
   * Set up the {@link android.app.ActionBar}, if the API is available.
   */
  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  private void setupActionBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
  }

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      // NavUtils.navigateUpFromSameTask(this);
      onBackPressed();
      return true;
    case R.id.logout:
      new LogoutDialogFragment().show(this.getSupportFragmentManager(), "logout");;
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  private class ScreenListClickListener implements OnItemClickListener {

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position,
        long screenID) {

      // Open selected link with the screen list activity
      FormulizeLink selectedLink = (FormulizeLink) parent.getAdapter()
          .getItem(position);
      Intent screenList = new Intent(ScreenListActivity.this,
          ScreenWebActivity.class);

      // Check if the selected screen is an external link, open browser if
      // that's the case
      String screen = selectedLink.getScreen();
      if (!screen.startsWith("fid") && !screen.startsWith("sid")) {
        String url = selectedLink.getUrl();
        if (!url.startsWith("http://") && !url.startsWith("https://"))
          url = "http://" + url;
        Intent browserIntent = new Intent(Intent.ACTION_VIEW,
            Uri.parse(url));
        startActivity(browserIntent);
      } else {
        screenList.putExtra(ScreenWebActivity.EXTRA_SID,
            selectedLink.getScreen());
        startActivity(screenList);
      }

    }
  }

}
Java Source Code List
