(Robo)ActivityGroup holding one child activity at a time in a specified view container.

folder.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:panel="http://schemas.android.com/apk/res/uk.ac.brookes.arnaudbos.luscinia"
	android:orientation="vertical"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:background="@drawable/background"
	>

	<com.markupartist.android.widget.ActionBar
		android:id="@+id/actionbar"
		style="@style/ActionBar"
	/>

	<RelativeLayout
		android:layout_width="fill_parent"
		android:id="@+id/internal_content"
		android:layout_height="fill_parent"
		>
		<org.miscwidgets.widget.Panel
			android:layout_alignParentLeft="true"
			android:gravity="center_vertical"
			android:layout_width="wrap_content" 
			android:layout_height="fill_parent" 
			android:id="@+id/leftPanel"
			android:paddingRight="4dip"
			panel:handle="@+id/panelHandle"
			panel:content="@+id/panelContent"
			panel:position="left"
			panel:openedHandle="@drawable/left_switcher_expanded_background"
			panel:closedHandle="@drawable/left_switcher_collapsed_background"
			panel:weight="100%p"
			>
			<Button
				android:id="@+id/panelHandle" 
				android:layout_width="24dip" 
				android:layout_height="40dip" 
			/>
			<LinearLayout
				android:layout_weight="1"
				android:layout_width="fill_parent"
				android:layout_height="fill_parent"
				android:orientation="horizontal"
				android:id="@+id/panelContent" 
				>
				<ScrollView
					android:padding="4dip"
					android:background="@drawable/background"
		        		android:layout_alignTop="@+id/border_right"
		        		android:layout_toLeftOf="@+id/border_right"
		        		android:layout_height="fill_parent"
					android:layout_weight="1"
		        		android:layout_width="fill_parent"
		        		>
					<RelativeLayout
						android:layout_width="fill_parent"
						android:layout_height="wrap_content"
						>

					</RelativeLayout>
				</ScrollView>
				<LinearLayout
					android:layout_width="1dip"
					android:layout_height="fill_parent"
					android:background="@color/brown"
				>

				</LinearLayout>
			</LinearLayout>
		</org.miscwidgets.widget.Panel>

		<org.miscwidgets.widget.Panel
			android:layout_alignParentBottom="true"
			android:gravity="center_horizontal"
			android:layout_width="fill_parent" 
			android:layout_height="wrap_content" 
			android:id="@+id/bottomPanel"
			android:paddingTop="4dip"
			panel:handle="@+id/panelHandle"
			panel:content="@+id/panelContent"
			panel:position="bottom"
			panel:openedHandle="@drawable/bottom_switcher_expanded_background"
			panel:closedHandle="@drawable/bottom_switcher_collapsed_background"
			panel:height="154"
			>
			<Button
				android:id="@+id/panelHandle" 
				android:layout_width="40dip" 
				android:layout_height="24dip" 
			/>
			<LinearLayout
				android:layout_width="fill_parent"
				android:layout_height="wrap_content"
				android:orientation="vertical"
				android:id="@+id/panelContent"
				>
				<LinearLayout
					android:layout_width="fill_parent"
					android:layout_height="1dip"
					android:background="@color/brown"
					>

				</LinearLayout>
				<HorizontalScrollView
					android:layout_width="fill_parent"
					android:layout_height="wrap_content"
					android:background="@drawable/background"
					>
					<LinearLayout
						android:id="@+id/tracks"
						android:layout_width="wrap_content"
						android:layout_height="wrap_content"
						android:orientation="horizontal"
						android:layout_gravity="left"
						>

					</LinearLayout>
				</HorizontalScrollView>
			</LinearLayout>
		</org.miscwidgets.widget.Panel>
	</RelativeLayout>
</LinearLayout>

FolderActivity.java

package uk.ac.brookes.arnaudbos.luscinia.views;

import java.util.ArrayList;
import java.util.List;

import org.miscwidgets.widget.EasingType.Type;
import org.miscwidgets.widget.ExpoInterpolator;
import org.miscwidgets.widget.Panel;

import roboguice.inject.InjectExtra;
import roboguice.inject.InjectResource;
import roboguice.inject.InjectView;
import uk.ac.brookes.arnaudbos.luscinia.R;
import uk.ac.brookes.arnaudbos.luscinia.utils.TemplateActivityMapper;
import uk.ac.brookes.arnaudbos.luscinia.widget.DocumentView;
import uk.ac.brookes.arnaudbos.luscinia.widget.FolderActivityGroup;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.Toast;

import com.markupartist.android.widget.ActionBar;
import com.markupartist.android.widget.ActionBar.Action;

public class FolderActivity extends FolderActivityGroup
{
	@InjectExtra("folder") private String folder;

	@InjectResource(R.string.patient_title) private String patientTitle;

	@InjectView(R.id.actionbar) private ActionBar actionBar;
	@InjectView(R.id.internal_content) private RelativeLayout internalContentLayout;
	@InjectView(R.id.tracks) private LinearLayout documentsTrack;
	
	@Override
	protected void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.folder);
		this.setTargetLayout(internalContentLayout);

        	prepareActionBar();
        	prepareDocumentsTrack();

		Panel panel = (Panel) findViewById(R.id.bottomPanel);
		panel.setInterpolator(new ExpoInterpolator(Type.OUT));

		panel = (Panel) findViewById(R.id.leftPanel);
		panel.setInterpolator(new ExpoInterpolator(Type.OUT));
	}

	@Override
    	public boolean onCreateOptionsMenu(Menu menu)
	{
   		MenuItem item = menu.add("Dossier Médical Menu");

		item.setOnMenuItemClickListener(new OnMenuItemClickListener()
		{
			@Override
			public boolean onMenuItemClick(MenuItem item)
			{
				return true;
			}
		});

		return getLocalActivityManager().getCurrentActivity().onCreateOptionsMenu(menu);
	}

	public boolean onPrepareOptionsMenu(Menu menu)
	{
		menu.clear();
		return onCreateOptionsMenu(menu);
	}

	private void prepareActionBar()
	{
		actionBar.setTitle(patientTitle+" "+folder);
		actionBar.setHomeAction(new HomeAction());
		actionBar.addAction(new StubShareAction());
		actionBar.addAction(new StubSearchAction());
	}

	private void prepareDocumentsTrack()
	{
		//TODO
		List<String> documents = new ArrayList<String>();
		documents.add("template-trans");
		documents.add("template-macrocible");
		for(final String template : documents)
		{
			DocumentView doc = new DocumentView(this, getResources().getDrawable(R.drawable.no_folder_picture), template, null);
			OnClickListener listener;
			switch (TemplateActivityMapper.toActivity(template))
			{
				case TRANS:
					listener = new OnClickListener()
					{
						@Override
						public void onClick(View v)
						{
							startChildActivity(template, new Intent(FolderActivity.this, TransActivity.class));
						}
					};
					doc.setOnClickListener(listener);
					doc.setText("Transmission ciblée");
					break;
				case MACROCIBLE:
					listener = new OnClickListener()
					{
						@Override
						public void onClick(View v)
						{
							startChildActivity(template, new Intent(FolderActivity.this, MacrocibleActivity.class));
						}
					};
					doc.setOnClickListener(listener);
					doc.setText("Fiche Macrocible");
					break;
				case GENERIC:
				default:
					break;
			}
			documentsTrack.addView(doc);
		}

		startChildActivity("template-trans", new Intent(FolderActivity.this, TransActivity.class));
	}

	private class HomeAction implements Action
	{
		@Override
		public void performAction(View view)
		{
			Intent intent = new Intent(FolderActivity.this, DashboardActivity.class);
			intent.putExtra("login", "osef");
			intent.putExtra("password", "osef");
			startActivity(intent);
			FolderActivity.this.finish();
		}

		@Override
		public int getDrawable()
		{
			return R.drawable.ic_title_home_default;
		}
	}

	/**
	 * TODO: Stub class. Implement it.
	 */
	private class StubShareAction implements Action
	{
		@Override
		public void performAction(View view)
		{
			Toast.makeText(FolderActivity.this, "ShareAction", Toast.LENGTH_SHORT).show();
		}

		@Override
		public int getDrawable()
		{
			return R.drawable.ic_title_share_default;
		}
	};

	/**
	 * TODO: Stub class. Implement it.
	 */
	private class StubSearchAction implements Action
	{
		@Override
		public void performAction(View view)
		{
			Toast.makeText(FolderActivity.this, "otherAction", Toast.LENGTH_SHORT).show();
		}

		@Override
		public int getDrawable()
		{
			return R.drawable.ic_title_export_default;
		}
	};
}

FolderActivityGroup.java

package uk.ac.brookes.arnaudbos.luscinia.widget;

import java.util.ArrayList;

import org.miscwidgets.widget.Panel;

import roboguice.activity.RoboActivityGroup;
import android.app.Activity;
import android.app.LocalActivityManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.RelativeLayout;

public class FolderActivityGroup extends RoboActivityGroup
{
	private ArrayList<String> activityIdsList;
	private ViewGroup targetLayout;

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

	@Override
	public void finishFromChild(Activity child)
	{
		LocalActivityManager manager = getLocalActivityManager();
		int index = activityIdsList.size()-1;

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

		manager.destroyActivity(activityIdsList.get(index), true);
		activityIdsList.remove(index);
		index--;
		String lastId = activityIdsList.get(index);
		Intent lastIntent = manager.getActivity(lastId).getIntent();
		Window newWindow = manager.startActivity(lastId, lastIntent);
		targetLayout.removeViewAt(0);
		targetLayout.addView(newWindow.getDecorView(), 0);
	}

	public void startChildActivity(String Id, Intent intent)
	{
		Window window = getLocalActivityManager().startActivity(Id,intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
		if (window != null)
		{
			if(activityIdsList.contains(Id))
			{
				activityIdsList.remove(Id);
			}
			activityIdsList.add(Id);
			if (!(targetLayout.getChildAt(0) instanceof Panel))
			{
				targetLayout.removeViewAt(0);
			}
			targetLayout.addView(window.getDecorView(), 0);
		}
	}
	
	protected void setTargetLayout(RelativeLayout target)
	{
		this.targetLayout = target;
	}

	@Override
	final public boolean onKeyDown(int keyCode, KeyEvent event)
	{
		if (keyCode == KeyEvent.KEYCODE_BACK)
		{
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}

	@Override
	final public boolean onKeyUp(int keyCode, KeyEvent event)
	{
		if (keyCode == KeyEvent.KEYCODE_BACK)
		{
			onBackPressed();
			return true;
		}
		return super.onKeyUp(keyCode, event);
	}

	@Override
	final public void onBackPressed ()
	{
		int length = activityIdsList.size();
		if ( length > 1)
		{
			Activity current = getLocalActivityManager().getActivity(activityIdsList.get(length-1));
			current.finish();
		}
		else
		{
			finish();
		}
	}
}