Android Open Source - rsmonitor-heartrate Tab Group Activity

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From Project

Back to project page rsmonitor-heartrate.

License

The source code is released under:

GNU General Public License

Java Source Code

package team.stride.tabs;
/*  w w  w . j  av  a2s .co  m*/
import java.util.ArrayList;

import android.app.Activity;
import android.app.ActivityGroup;
import android.app.LocalActivityManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Window;

public class TabGroupActivity extends ActivityGroup
{
  private ArrayList<String> mIdList;

  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    if (mIdList == null)
      mIdList = new ArrayList<String>();
  }

  public void goToFirstOne()
  {
    LocalActivityManager manager = getLocalActivityManager();
    int count = mIdList.size() - 1;
    for (int i = count; i >= 1; i--)
    {
      manager.destroyActivity(mIdList.get(i), true);
      mIdList.remove(i);
    }

    String lastId = mIdList.get(0);
    Intent lastIntent = manager.getActivity(lastId).getIntent();
    Window newWindow = manager.startActivity(lastId, lastIntent);
    setContentView(newWindow.getDecorView());
  }

  public void closeAllChildsExceptLastOne()
  {
    LocalActivityManager manager = getLocalActivityManager();
    int count = mIdList.size() - 1;
    for (int i = count; i >= 0; i--)
    {
      manager.destroyActivity(mIdList.get(i), true);
      mIdList.remove(i);
    }
  }

  /**
   * This is called when a child activity of this one calls its finish method.
   * This implementation calls {@link LocalActivityManager#destroyActivity} on
   * the child activity and starts the previous activity. If the last child
   * activity just called finish(),this activity (the parent), calls finish to
   * finish the entire group.
   */
  @Override
  public void finishFromChild(Activity child)
  {
    LocalActivityManager manager = getLocalActivityManager();
    int index = mIdList.size() - 1;

    if (index < 1)
    {
      finish();
      return;
    }

    manager.destroyActivity(mIdList.get(index), true);
    mIdList.remove(index);
    index--;
    String lastId = mIdList.get(index);
    Intent lastIntent = manager.getActivity(lastId).getIntent();
    Window newWindow = manager.startActivity(lastId, lastIntent);
    setContentView(newWindow.getDecorView());
  }

  /**
   * Starts an Activity as a child Activity to this.
   * 
   * @param Id
   *            Unique identifier of the activity to be started.
   * @param intent
   *            The Intent describing the activity to be started.
   * @throws android.content.ActivityNotFoundException.
   */
  
  
  public void startChildActivity(String Id, Intent intent)
  {
    intent = intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    Window window = getLocalActivityManager().startActivity(Id, intent);

    if (window != null)
    {
      mIdList.add(Id);
      setContentView(window.getDecorView());
    }

//    View view = getLocalActivityManager().startActivity("ReferenceName",
//        new Intent(this, YourActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView();
//    this.setContentView(view);
  }

  /**
   * The primary purpose is to prevent systems before
   * android.os.Build.VERSION_CODES.ECLAIR from calling their default
   * KeyEvent.KEYCODE_BACK during onKeyDown.
   */
  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event)
  {
    if (keyCode == KeyEvent.KEYCODE_BACK)
    {
      // preventing default implementation previous to
      // android.os.Build.VERSION_CODES.ECLAIR
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }

  /**
   * Overrides the default implementation for KeyEvent.KEYCODE_BACK so that
   * all systems call onBackPressed().
   */
  @Override
  public boolean onKeyUp(int keyCode, KeyEvent event)
  {
    if (keyCode == KeyEvent.KEYCODE_BACK)
    {
      onBackPressed();
      return true;
    }
    return super.onKeyUp(keyCode, event);
  }

  /**
   * If a Child Activity handles KeyEvent.KEYCODE_BACK. Simply override and
   * add this method.
   */
  @Override
  public void onBackPressed()
  {
    int length = mIdList.size();
    if (length > 1)
    {
      Activity current = getLocalActivityManager().getActivity(mIdList.get(length - 1));
      current.finish();
    }
  }
}

Java Source Code List

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