org.eclipse.om2m.android.dashboard/src/main/java/org/eclipse/om2m/android/dashboard/DashboardActivity.java - gerrit/om2m/org.eclipse.om2m - Git at Google

 /*******************************************************************************
  * Copyright (c) 2013, 2017 Orange.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * Contributors:
  *    BAREAU Cyrille <cyrille.bareau@orange.com>,
  *    BONNARDEL Gregory <gbonnardel.ext@orange.com>,
  *    BOLLE Sebastien <sebastien.bolle@orange.com>.
  *******************************************************************************/
 package org.eclipse.om2m.android.dashboard;

 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 import java.util.SortedSet;

 import org.eclipse.om2m.android.dashboard.cse.OneM2MListener;
 import org.eclipse.om2m.android.dashboard.cse.OneM2MRequest.OneM2MReqType;
 import org.eclipse.om2m.android.dashboard.cse.OneM2MRequester;
 import org.eclipse.om2m.android.dashboard.cse.models.OneM2MApplication;
 import org.eclipse.om2m.android.dashboard.cse.models.SDTDevice;
 import org.eclipse.om2m.android.dashboard.devices.DevicesActivity;
 import org.eclipse.om2m.android.dashboard.main.MainAppEntryView;
 import org.eclipse.om2m.android.dashboard.main.MainDevView;
 import org.eclipse.om2m.android.dashboard.tools.OneM2MDeviceType;
 import org.eclipse.om2m.android.dashboard.tools.SettingsManager;
 import org.eclipse.om2m.android.dashboard.tools.Sorter;
 import org.eclipse.om2m.android.dashboard.utils.OTBUtils;

 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Point;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.Display;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
 import android.view.ViewGroup.LayoutParams;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.widget.GridLayout;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.RelativeLayout;
 import android.widget.ScrollView;
 import android.widget.TextView;
 import android.widget.Toast;

 public class DashboardActivity extends CustomMainActivity
 		implements OnClickListener, OnLongClickListener, OneM2MListener {

 	private RelativeLayout rlDevs;

 	private GridLayout glApps;
 	private GridLayout glDevices;

 	private ImageView ivCSEState;

 	private ScrollView svDynamicCardScroller;

 	private TextView tvCounterApp;
 	private TextView tvCounterDev;
 	private TextView tvStatusTitle;

 	private List<SDTDevice> devices;
 	private SortedSet<OneM2MApplication> applications;

 	private boolean isInitialized = false;

 	private boolean cseDetected;
 	private boolean cseConnected;
 	private int width = 0;
 	private int appCol = -1;
 	private int devCol = -1;

 	// ================================================================================

 	Handler mDicoveryHandler = new Handler() {
 		@Override
 		public void handleMessage(Message msg) {
 			boolean discovery_succeed = msg.getData().getBoolean("DISCOVERY_SUCCEED");
 			if (discovery_succeed) {
 				init();
 			} else {
 				reset();
 			}
 		}
 	};

 	// =====================================================================================
 	// Lifecycle
 	// =====================================================================================

 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 	}

 	//        ||
 	//        ||
 	//        ||
 	//        \/

 	@Override
 	protected void onStart() {
 		super.onStart();
 	}

 	//        ||
 	//        ||
 	//        ||
 	//        \/

 	@Override
 	protected void onResume() {
 		try {
 		super.onResume();

 		Log.i(getClass().getName(), "entering onResume");

 		isInitialized = false;

 		Display display = getWindowManager().getDefaultDisplay();
 		Point size = new Point();
 		display.getSize(size);
 		width = size.x;

 		String language = SettingsManager.getInstance(this).getLanguage();
 		Resources res = getApplication().getResources();
 		Configuration config = res.getConfiguration();
 		config.locale = new Locale(language);
 		res.updateConfiguration(config, null);
 		try {
 			OneM2MDeviceType.initialize(res);
 		} catch (Exception e) {
 			Toast.makeText(this, "Error " + e, Toast.LENGTH_LONG).show();
 		}

 		setContentView(R.layout.main_activity);

 		rlDevs = (RelativeLayout)findViewById(R.id.rl_main_zone_devs);

 		tvCounterApp = (TextView)findViewById(R.id.tv_main_counter_app);
 		tvCounterDev = (TextView)findViewById(R.id.tv_main_counter_dev);

 		tvStatusTitle = (TextView)findViewById(R.id.tv_cse_status_title);

 		glApps = (GridLayout)findViewById(R.id.gl_main_cse_app);
 		glDevices = (GridLayout)findViewById(R.id.gl_main_cse_devices);

 		glApps.removeAllViews();
 		glDevices.removeAllViews();

 		ivCSEState = (ImageView)findViewById(R.id.iv_cse_state_icon);

 		svDynamicCardScroller = (ScrollView)findViewById(R.id.sv_main_dynamic_card_scroller);

 		ivCSEState.setOnLongClickListener(this);

 		refreshAll();

 		// add an observer to be sure that the layout is created before getting size
 		// and resize dynamically the card to take full screen size
 		tvStatusTitle.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
             @Override
             public void onGlobalLayout() {
             	//Remove it here unless you want to get this callback for EVERY
                 //layout pass, which can get you into infinite loops if you ever
                 //modify the layout from within this method.
             	tvStatusTitle.getViewTreeObserver().removeOnGlobalLayoutListener(this);

             	// set dynamic card container size
             	int svHeight = svDynamicCardScroller.getMeasuredHeight();
             	int svWidth = svDynamicCardScroller.getMeasuredWidth();
         		int display_mode = getResources().getConfiguration().orientation;
         		if (display_mode == 1) { // portrait
         			LinearLayout llDynamicCardContainer = (LinearLayout)findViewById(R.id.ll_main_dynamic_card_container);
         			llDynamicCardContainer.setMinimumHeight(svHeight);
         			int appCol = svWidth / (165 + 70);	// 165 = app view width
 					  									// 70 = margin between app
         			int devCol = svWidth / (150 + 70); 	// 150 = dev view width
 														// 70 = margin between dev
            			glApps.setColumnCount(appCol);
            			glDevices.setColumnCount(devCol);
         		}
         		else { 	// landscape
         			resize();
         			LinearLayout llLeftCardContainer = (LinearLayout)findViewById(R.id.ll_cse_left);
         			LayoutParams params = llLeftCardContainer.getLayoutParams();

         			double px = (double) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 175, llLeftCardContainer.getResources().getDisplayMetrics());

         			params.width = (width * 4) / 9;  // Left  (apps) weight = 5
         											 // Right (devs) weight = 4
         			int cappCol = (int) Math.floor( ((double) width) * 4 / 9 / px);	// 165 = app view width
 																	// 70 = margin between app
 					appCol = cappCol;
 					devCol = ((width * 4) / 9) / (160 + 70);	// 150 = dev view width
 																// 70 = margin between dev
 					try {
 						glApps.removeAllViews();
 						glApps.setColumnCount(appCol);
 						Log.d(getClass().getName(), "number of app col=" + appCol);
 					} catch(Exception e) {
 //    						glApps.setColumnCount(appCol+1);
 					}
 					try {
 						glDevices.removeAllViews();
 						glDevices.setColumnCount(devCol);
 						Log.d(getClass().getName(), "number of devices col=" + devCol);
 					} catch(Exception e) {
 //    						glDevices.setColumnCount(devCol+1);
 					}
         		}

         		// init data with last informations
         		refreshAll();
             }
         });

 			init();
 			Log.i(getClass().getName(), "leaving onResume");
 		} catch(Exception e) {
 			e.printStackTrace();
 			try {
 				AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
 				dialogBuilder.setTitle("Error " + e);
 				dialogBuilder.setMessage(e.getMessage());
 				dialogBuilder.setPositiveButton(R.string.dialog_btn_ok,
 					new DialogInterface.OnClickListener() {
 						@Override
 						public void onClick(DialogInterface arg0, int arg1) {
 						}
 					});
 				dialogBuilder.create().show();
 			} catch (Exception e2) {
 				Toast.makeText(this, "Error " + e, Toast.LENGTH_LONG).show();
 			}

 		}
 	}

 	//        ||
 	//        ||
 	//        ||
 	//        \/

 	@Override
 	protected void onPause() {
 		super.onPause();
 	}

 	//        ||
 	//        ||
 	//        ||
 	//        \/

 	@Override
 	protected void onStop() {
 		super.onStop();
 		OneM2MRequester.getInstance().cancelMyPollingRequests();
 	}

 	//        ||
 	//        ||
 	//        ||
 	//        \/

 	@Override
 	protected void onDestroy() {
 		super.onDestroy();
 	}

 	// =====================================================================================

 	private void reset() {
 		refreshCSE(false, false);

 		if (devices != null) {
 			devices.clear();
 		}
 		glDevices.removeAllViews();
 		applications = null;
 		glApps.removeAllViews();

 		refreshAll();
 	}

 	private void init() {
 		if (! isInitialized) {
 			OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.INCSE_STATUS, null,
 					getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
 			OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.DEVICES, null,
 					getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
 			OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.APPLICATIONS, null,
 					getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
 			isInitialized = true;
 		}
 	}

 	private void refreshAll() {
 		Log.i(getClass().getName(), "entering refreshAll");
 		refreshCSE(cseDetected, cseConnected);
 		refreshDevices();
 		refreshApplications();
 	}

 	private synchronized void refreshCSE(boolean detected, boolean connected) {
 		Log.i(getClass().getName(), "entering refreshHab");
 		try {
 			if (! detected) {
 				ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_notconnected));
 				tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_not_detected));
 				cseDetected = false;
 				cseConnected = false;
 			} else if (! connected) {
 				ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_notconnected));
 				tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_not_connected));
 				cseDetected = true;
 				cseConnected = false;
 			} else {
 				ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_ok));
 				tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_ok));
 				cseDetected = true;
 				cseConnected = true;
 			}
 		} catch (Exception e) {
 		}
 	}

 	private synchronized void refreshDevices() {
 		Log.i(getClass().getName(), "entering refreshDevices");
 		if (devices == null) {
 			if (tvCounterDev != null) {
 				tvCounterDev.setText("0");
 			}
 			glDevices.removeAllViews();
 			return;
 		}

 		int deviceCounter = 0;
 		// add/update devices
 		List<MainDevView> newViews = new ArrayList<MainDevView>();
 		for (SDTDevice sdtDevice : devices) {

 			deviceCounter += 1;
 			boolean deviceAlreadyKnown = false;
 			for (int i = 0; i < glDevices.getChildCount(); i++) {
 				Object obj = glDevices.getChildAt(i);
 				if (obj instanceof MainDevView) {
 					MainDevView devView = (MainDevView)obj;
 					if ((devView != null) && (sdtDevice.getRi().equals(devView.getSDTDevice().getRi()))) {
 						// same entry => refresh count
 						deviceAlreadyKnown = true;
 						devView.setData(sdtDevice);
 						break;
 					}
 				}
 			}

 			if (! deviceAlreadyKnown) {
 				// create a new device
 				MainDevView devView = new MainDevView(getApplicationContext(), null);
 				devView.setData(sdtDevice);
 				// add device
 				newViews.add(devView);
 			}
 		}
 		try {
 			glDevices.setColumnCount(devCol);
 		} catch(Exception e) {
 		}
 		for (MainDevView v : newViews)
 			glDevices.addView(v, 0);

 		// remove old devices
 		List<Integer> indexToRemove = new ArrayList<Integer>();
 		for (int i = 0; i < glDevices.getChildCount(); i++) {
 			Object obj = glDevices.getChildAt(i);
 			if (obj instanceof MainDevView) {
 				boolean deviceFound = false;
 				SDTDevice renderedDevice = ((MainDevView)obj).getSDTDevice();
 				if (devices.contains(renderedDevice)) {
 					deviceFound = true;
 				}
 				if (! deviceFound) {
 					indexToRemove.add(i);
 				}
 			}
 		}
 		for (Integer i : indexToRemove) {
 			try {
 				glDevices.removeViewAt(i);
 			}
 			catch(Exception e){}
 		}

 		if (tvCounterDev != null) {
 			tvCounterDev.setText("" + deviceCounter);
 		}
 		resize();
 	}

 	private synchronized void refreshApplications() {
 		Log.i(getClass().getName(), "entering refreshApplications");
 		if (OTBUtils.isEmpty(applications)) {
 			if (tvCounterApp != null) {
 				tvCounterApp.setText("0");
 			}
 			glApps.removeAllViews();
 			return;
 		}
 		if (tvCounterApp != null) {
 			tvCounterApp.setText("" + applications.size());
 		}

 		// add/update applications
 		int idx = 0;
 		for (OneM2MApplication app : applications) {
 			boolean found = false;
 			for (int i = 0; i < glApps.getChildCount(); i++) {
 				Object obj = glApps.getChildAt(i);
 				if (obj instanceof MainAppEntryView) {
 					MainAppEntryView appView = (MainAppEntryView)obj;
 					if ((appView != null) && appView.app.getRi().equals(app.getRi())) {
 						// same entry => refresh count
 						found = true;
 						appView.setData(app);
 						break;
 					}
 				}
 			}

 			if (! found) {
 				// create a new entry
 				MainAppEntryView appView =
 					new MainAppEntryView(getApplicationContext(), null);
 				appView.setData(app);
 				// add entry
 				glApps.addView(appView, idx);
 			}
 			idx += 1;
 		}

 		// remove old entries
 		List<View> indexToRemove = new ArrayList<View>();
 		for (int i = 0; i < glApps.getChildCount(); i++) {
 			Object obj = glApps.getChildAt(i);
 			if (obj instanceof MainAppEntryView) {
 				MainAppEntryView appEntryView = (MainAppEntryView)obj;
 				boolean found = false;
 				for (OneM2MApplication application : applications) {
 					if (appEntryView.app.getRi().equals(application.getRi())) {
 						found = true;
 						break;
 					}
 				}
 				if (! found) {
 					indexToRemove.add((View) obj);
 				}
 			}
 		}
 		for (View v : indexToRemove) {
 			glApps.removeView(v);
 		}

 		resize();
 	}


 	private void resize() {
 		// refresh container height
 		int display_mode = getResources().getConfiguration().orientation;
 		if (display_mode != 1) {
 			// landscape

 			int margin10dp = Math.round(10 *
 					(getApplicationContext().getResources().getDisplayMetrics().xdpi
 							/ DisplayMetrics.DENSITY_DEFAULT));

 			int svMainHeight = svDynamicCardScroller.getMeasuredHeight();

 			LinearLayout llRightCardContainer = (LinearLayout)findViewById(R.id.ll_cse_right);

 			RelativeLayout rlHabCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_cse);
 			RelativeLayout rlAppsCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_apps);
 			RelativeLayout rlDevsCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_devs);

 			int svHabHeight = rlHabCardContainer.getMeasuredHeight();
 			int svAppHeight = rlAppsCardContainer.getMeasuredHeight();
 			int svDevHeight = (svHabHeight + svAppHeight);

 			int svHeight = 0, appMinHeight = 0, devMinHeight = 0;

 			svHeight = Math.max(svAppHeight + svHabHeight, svDevHeight /*+ svUsrHeight*/);
 			svHeight = Math.max(svHeight, svMainHeight);
 			appMinHeight = svHeight - svHabHeight - margin10dp;
 			devMinHeight = svHeight ;

 			rlAppsCardContainer.setMinimumHeight(appMinHeight);
 			rlDevsCardContainer.setMinimumHeight(devMinHeight);

 			rlAppsCardContainer.invalidate();
 			rlDevsCardContainer.invalidate();
 		}
 	}

 	// =====================================================================================
 	// User actions
 	// =====================================================================================

 	@Override
 	public void onClick(View v) {
 		if (v instanceof RelativeLayout) {
 			RelativeLayout layoutClicked = (RelativeLayout)v;
 			if (layoutClicked == rlDevs) {
 				startActivity(new Intent(DashboardActivity.this,
 					DevicesActivity.class));
 			}
 		}
 	}

 	@Override
 	public boolean onLongClick(View v) {
 		if (v instanceof ImageView) {
 			ImageView viewClicked = (ImageView)v;
 			if (viewClicked == ivCSEState) {
 //				OTBHabRequester.getInstance().sendRequest(OTBHabReqType.DEBUG,
 //						null, getApplicationContext(), this);
 			}
 		}
 		return false;
 	}

 	@SuppressWarnings("unchecked")
 	@Override
 	public void onOneM2MResponse(OneM2MReqType requestType, Object response) {
 		if (requestType == OneM2MReqType.APPLICATIONS) {
 			List<OneM2MApplication> apps = (List<OneM2MApplication>)response;
 			applications = Sorter.getSortedApplications(apps);
 			refreshApplications();
 		} else if (requestType == OneM2MReqType.DEVICES) {
 			devices = (List<SDTDevice>) response;
 			refreshDevices();
 		} else if (requestType == OneM2MReqType.INCSE_STATUS) {
 			boolean isConnected = (Boolean) response;
 			refreshCSE(isConnected, isConnected);
 		}
 	}

 	@Override
 	public void onOneM2MError(OneM2MReqType requestType, String msg) {
 		Toast.makeText(this, "Error " + msg, Toast.LENGTH_LONG).show();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2013, 2017 Orange.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* Contributors:
	* BAREAU Cyrille <cyrille.bareau@orange.com>,
	* BONNARDEL Gregory <gbonnardel.ext@orange.com>,
	* BOLLE Sebastien <sebastien.bolle@orange.com>.
	*******************************************************************************/
	package org.eclipse.om2m.android.dashboard;

	import java.util.ArrayList;
	import java.util.List;
	import java.util.Locale;
	import java.util.SortedSet;

	import org.eclipse.om2m.android.dashboard.cse.OneM2MListener;
	import org.eclipse.om2m.android.dashboard.cse.OneM2MRequest.OneM2MReqType;
	import org.eclipse.om2m.android.dashboard.cse.OneM2MRequester;
	import org.eclipse.om2m.android.dashboard.cse.models.OneM2MApplication;
	import org.eclipse.om2m.android.dashboard.cse.models.SDTDevice;
	import org.eclipse.om2m.android.dashboard.devices.DevicesActivity;
	import org.eclipse.om2m.android.dashboard.main.MainAppEntryView;
	import org.eclipse.om2m.android.dashboard.main.MainDevView;
	import org.eclipse.om2m.android.dashboard.tools.OneM2MDeviceType;
	import org.eclipse.om2m.android.dashboard.tools.SettingsManager;
	import org.eclipse.om2m.android.dashboard.tools.Sorter;
	import org.eclipse.om2m.android.dashboard.utils.OTBUtils;

	import android.app.AlertDialog;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.content.res.Configuration;
	import android.content.res.Resources;
	import android.graphics.Point;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.util.DisplayMetrics;
	import android.util.Log;
	import android.util.TypedValue;
	import android.view.Display;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.View.OnLongClickListener;
	import android.view.ViewGroup.LayoutParams;
	import android.view.ViewTreeObserver.OnGlobalLayoutListener;
	import android.widget.GridLayout;
	import android.widget.ImageView;
	import android.widget.LinearLayout;
	import android.widget.RelativeLayout;
	import android.widget.ScrollView;
	import android.widget.TextView;
	import android.widget.Toast;

	public class DashboardActivity extends CustomMainActivity
	implements OnClickListener, OnLongClickListener, OneM2MListener {

	private RelativeLayout rlDevs;

	private GridLayout glApps;
	private GridLayout glDevices;

	private ImageView ivCSEState;

	private ScrollView svDynamicCardScroller;

	private TextView tvCounterApp;
	private TextView tvCounterDev;
	private TextView tvStatusTitle;

	private List<SDTDevice> devices;
	private SortedSet<OneM2MApplication> applications;

	private boolean isInitialized = false;

	private boolean cseDetected;
	private boolean cseConnected;
	private int width = 0;
	private int appCol = -1;
	private int devCol = -1;

	// ================================================================================

	Handler mDicoveryHandler = new Handler() {
	@Override
	public void handleMessage(Message msg) {
	boolean discovery_succeed = msg.getData().getBoolean("DISCOVERY_SUCCEED");
	if (discovery_succeed) {
	init();
	} else {
	reset();
	}
	}
	};

	// =====================================================================================
	// Lifecycle
	// =====================================================================================

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	}

	// \|\|
	// \|\|
	// \|\|
	// \/

	@Override
	protected void onStart() {
	super.onStart();
	}

	// \|\|
	// \|\|
	// \|\|
	// \/

	@Override
	protected void onResume() {
	try {
	super.onResume();

	Log.i(getClass().getName(), "entering onResume");

	isInitialized = false;

	Display display = getWindowManager().getDefaultDisplay();
	Point size = new Point();
	display.getSize(size);
	width = size.x;

	String language = SettingsManager.getInstance(this).getLanguage();
	Resources res = getApplication().getResources();
	Configuration config = res.getConfiguration();
	config.locale = new Locale(language);
	res.updateConfiguration(config, null);
	try {
	OneM2MDeviceType.initialize(res);
	} catch (Exception e) {
	Toast.makeText(this, "Error " + e, Toast.LENGTH_LONG).show();
	}

	setContentView(R.layout.main_activity);

	rlDevs = (RelativeLayout)findViewById(R.id.rl_main_zone_devs);

	tvCounterApp = (TextView)findViewById(R.id.tv_main_counter_app);
	tvCounterDev = (TextView)findViewById(R.id.tv_main_counter_dev);

	tvStatusTitle = (TextView)findViewById(R.id.tv_cse_status_title);

	glApps = (GridLayout)findViewById(R.id.gl_main_cse_app);
	glDevices = (GridLayout)findViewById(R.id.gl_main_cse_devices);

	glApps.removeAllViews();
	glDevices.removeAllViews();

	ivCSEState = (ImageView)findViewById(R.id.iv_cse_state_icon);

	svDynamicCardScroller = (ScrollView)findViewById(R.id.sv_main_dynamic_card_scroller);

	ivCSEState.setOnLongClickListener(this);

	refreshAll();

	// add an observer to be sure that the layout is created before getting size
	// and resize dynamically the card to take full screen size
	tvStatusTitle.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
	@Override
	public void onGlobalLayout() {
	//Remove it here unless you want to get this callback for EVERY
	//layout pass, which can get you into infinite loops if you ever
	//modify the layout from within this method.
	tvStatusTitle.getViewTreeObserver().removeOnGlobalLayoutListener(this);

	// set dynamic card container size
	int svHeight = svDynamicCardScroller.getMeasuredHeight();
	int svWidth = svDynamicCardScroller.getMeasuredWidth();
	int display_mode = getResources().getConfiguration().orientation;
	if (display_mode == 1) { // portrait
	LinearLayout llDynamicCardContainer = (LinearLayout)findViewById(R.id.ll_main_dynamic_card_container);
	llDynamicCardContainer.setMinimumHeight(svHeight);
	int appCol = svWidth / (165 + 70); // 165 = app view width
	// 70 = margin between app
	int devCol = svWidth / (150 + 70); // 150 = dev view width
	// 70 = margin between dev
	glApps.setColumnCount(appCol);
	glDevices.setColumnCount(devCol);
	}
	else { // landscape
	resize();
	LinearLayout llLeftCardContainer = (LinearLayout)findViewById(R.id.ll_cse_left);
	LayoutParams params = llLeftCardContainer.getLayoutParams();

	double px = (double) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 175, llLeftCardContainer.getResources().getDisplayMetrics());

	params.width = (width * 4) / 9; // Left (apps) weight = 5
	// Right (devs) weight = 4
	int cappCol = (int) Math.floor( ((double) width) * 4 / 9 / px); // 165 = app view width
	// 70 = margin between app
	appCol = cappCol;
	devCol = ((width * 4) / 9) / (160 + 70); // 150 = dev view width
	// 70 = margin between dev
	try {
	glApps.removeAllViews();
	glApps.setColumnCount(appCol);
	Log.d(getClass().getName(), "number of app col=" + appCol);
	} catch(Exception e) {
	// glApps.setColumnCount(appCol+1);
	}
	try {
	glDevices.removeAllViews();
	glDevices.setColumnCount(devCol);
	Log.d(getClass().getName(), "number of devices col=" + devCol);
	} catch(Exception e) {
	// glDevices.setColumnCount(devCol+1);
	}
	}

	// init data with last informations
	refreshAll();
	}
	});

	init();
	Log.i(getClass().getName(), "leaving onResume");
	} catch(Exception e) {
	e.printStackTrace();
	try {
	AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
	dialogBuilder.setTitle("Error " + e);
	dialogBuilder.setMessage(e.getMessage());
	dialogBuilder.setPositiveButton(R.string.dialog_btn_ok,
	new DialogInterface.OnClickListener() {
	@Override
	public void onClick(DialogInterface arg0, int arg1) {
	}
	});
	dialogBuilder.create().show();
	} catch (Exception e2) {
	Toast.makeText(this, "Error " + e, Toast.LENGTH_LONG).show();
	}

	}
	}

	// \|\|
	// \|\|
	// \|\|
	// \/

	@Override
	protected void onPause() {
	super.onPause();
	}

	// \|\|
	// \|\|
	// \|\|
	// \/

	@Override
	protected void onStop() {
	super.onStop();
	OneM2MRequester.getInstance().cancelMyPollingRequests();
	}

	// \|\|
	// \|\|
	// \|\|
	// \/

	@Override
	protected void onDestroy() {
	super.onDestroy();
	}

	// =====================================================================================

	private void reset() {
	refreshCSE(false, false);

	if (devices != null) {
	devices.clear();
	}
	glDevices.removeAllViews();
	applications = null;
	glApps.removeAllViews();

	refreshAll();
	}

	private void init() {
	if (! isInitialized) {
	OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.INCSE_STATUS, null,
	getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
	OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.DEVICES, null,
	getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
	OneM2MRequester.getInstance().sendPollingRequest(OneM2MReqType.APPLICATIONS, null,
	getApplicationContext(), this, OneM2MRequester.DEFAULT_POLLING_DELAY);
	isInitialized = true;
	}
	}

	private void refreshAll() {
	Log.i(getClass().getName(), "entering refreshAll");
	refreshCSE(cseDetected, cseConnected);
	refreshDevices();
	refreshApplications();
	}

	private synchronized void refreshCSE(boolean detected, boolean connected) {
	Log.i(getClass().getName(), "entering refreshHab");
	try {
	if (! detected) {
	ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_notconnected));
	tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_not_detected));
	cseDetected = false;
	cseConnected = false;
	} else if (! connected) {
	ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_notconnected));
	tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_not_connected));
	cseDetected = true;
	cseConnected = false;
	} else {
	ivCSEState.setImageDrawable(getResources().getDrawable(R.drawable.otb_picto_led_ok));
	tvStatusTitle.setText(getResources().getString(R.string.main_cse_state_ok));
	cseDetected = true;
	cseConnected = true;
	}
	} catch (Exception e) {
	}
	}

	private synchronized void refreshDevices() {
	Log.i(getClass().getName(), "entering refreshDevices");
	if (devices == null) {
	if (tvCounterDev != null) {
	tvCounterDev.setText("0");
	}
	glDevices.removeAllViews();
	return;
	}

	int deviceCounter = 0;
	// add/update devices
	List<MainDevView> newViews = new ArrayList<MainDevView>();
	for (SDTDevice sdtDevice : devices) {

	deviceCounter += 1;
	boolean deviceAlreadyKnown = false;
	for (int i = 0; i < glDevices.getChildCount(); i++) {
	Object obj = glDevices.getChildAt(i);
	if (obj instanceof MainDevView) {
	MainDevView devView = (MainDevView)obj;
	if ((devView != null) && (sdtDevice.getRi().equals(devView.getSDTDevice().getRi()))) {
	// same entry => refresh count
	deviceAlreadyKnown = true;
	devView.setData(sdtDevice);
	break;
	}
	}
	}

	if (! deviceAlreadyKnown) {
	// create a new device
	MainDevView devView = new MainDevView(getApplicationContext(), null);
	devView.setData(sdtDevice);
	// add device
	newViews.add(devView);
	}
	}
	try {
	glDevices.setColumnCount(devCol);
	} catch(Exception e) {
	}
	for (MainDevView v : newViews)
	glDevices.addView(v, 0);

	// remove old devices
	List<Integer> indexToRemove = new ArrayList<Integer>();
	for (int i = 0; i < glDevices.getChildCount(); i++) {
	Object obj = glDevices.getChildAt(i);
	if (obj instanceof MainDevView) {
	boolean deviceFound = false;
	SDTDevice renderedDevice = ((MainDevView)obj).getSDTDevice();
	if (devices.contains(renderedDevice)) {
	deviceFound = true;
	}
	if (! deviceFound) {
	indexToRemove.add(i);
	}
	}
	}
	for (Integer i : indexToRemove) {
	try {
	glDevices.removeViewAt(i);
	}
	catch(Exception e){}
	}

	if (tvCounterDev != null) {
	tvCounterDev.setText("" + deviceCounter);
	}
	resize();
	}

	private synchronized void refreshApplications() {
	Log.i(getClass().getName(), "entering refreshApplications");
	if (OTBUtils.isEmpty(applications)) {
	if (tvCounterApp != null) {
	tvCounterApp.setText("0");
	}
	glApps.removeAllViews();
	return;
	}
	if (tvCounterApp != null) {
	tvCounterApp.setText("" + applications.size());
	}

	// add/update applications
	int idx = 0;
	for (OneM2MApplication app : applications) {
	boolean found = false;
	for (int i = 0; i < glApps.getChildCount(); i++) {
	Object obj = glApps.getChildAt(i);
	if (obj instanceof MainAppEntryView) {
	MainAppEntryView appView = (MainAppEntryView)obj;
	if ((appView != null) && appView.app.getRi().equals(app.getRi())) {
	// same entry => refresh count
	found = true;
	appView.setData(app);
	break;
	}
	}
	}

	if (! found) {
	// create a new entry
	MainAppEntryView appView =
	new MainAppEntryView(getApplicationContext(), null);
	appView.setData(app);
	// add entry
	glApps.addView(appView, idx);
	}
	idx += 1;
	}

	// remove old entries
	List<View> indexToRemove = new ArrayList<View>();
	for (int i = 0; i < glApps.getChildCount(); i++) {
	Object obj = glApps.getChildAt(i);
	if (obj instanceof MainAppEntryView) {
	MainAppEntryView appEntryView = (MainAppEntryView)obj;
	boolean found = false;
	for (OneM2MApplication application : applications) {
	if (appEntryView.app.getRi().equals(application.getRi())) {
	found = true;
	break;
	}
	}
	if (! found) {
	indexToRemove.add((View) obj);
	}
	}
	}
	for (View v : indexToRemove) {
	glApps.removeView(v);
	}

	resize();
	}


	private void resize() {
	// refresh container height
	int display_mode = getResources().getConfiguration().orientation;
	if (display_mode != 1) {
	// landscape

	int margin10dp = Math.round(10 *
	(getApplicationContext().getResources().getDisplayMetrics().xdpi
	/ DisplayMetrics.DENSITY_DEFAULT));

	int svMainHeight = svDynamicCardScroller.getMeasuredHeight();

	LinearLayout llRightCardContainer = (LinearLayout)findViewById(R.id.ll_cse_right);

	RelativeLayout rlHabCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_cse);
	RelativeLayout rlAppsCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_apps);
	RelativeLayout rlDevsCardContainer = (RelativeLayout)findViewById(R.id.rl_main_zone_devs);

	int svHabHeight = rlHabCardContainer.getMeasuredHeight();
	int svAppHeight = rlAppsCardContainer.getMeasuredHeight();
	int svDevHeight = (svHabHeight + svAppHeight);

	int svHeight = 0, appMinHeight = 0, devMinHeight = 0;

	svHeight = Math.max(svAppHeight + svHabHeight, svDevHeight /+ svUsrHeight/);
	svHeight = Math.max(svHeight, svMainHeight);
	appMinHeight = svHeight - svHabHeight - margin10dp;
	devMinHeight = svHeight ;

	rlAppsCardContainer.setMinimumHeight(appMinHeight);
	rlDevsCardContainer.setMinimumHeight(devMinHeight);

	rlAppsCardContainer.invalidate();
	rlDevsCardContainer.invalidate();
	}
	}

	// =====================================================================================
	// User actions
	// =====================================================================================

	@Override
	public void onClick(View v) {
	if (v instanceof RelativeLayout) {
	RelativeLayout layoutClicked = (RelativeLayout)v;
	if (layoutClicked == rlDevs) {
	startActivity(new Intent(DashboardActivity.this,
	DevicesActivity.class));
	}
	}
	}

	@Override
	public boolean onLongClick(View v) {
	if (v instanceof ImageView) {
	ImageView viewClicked = (ImageView)v;
	if (viewClicked == ivCSEState) {
	// OTBHabRequester.getInstance().sendRequest(OTBHabReqType.DEBUG,
	// null, getApplicationContext(), this);
	}
	}
	return false;
	}

	@SuppressWarnings("unchecked")
	@Override
	public void onOneM2MResponse(OneM2MReqType requestType, Object response) {
	if (requestType == OneM2MReqType.APPLICATIONS) {
	List<OneM2MApplication> apps = (List<OneM2MApplication>)response;
	applications = Sorter.getSortedApplications(apps);
	refreshApplications();
	} else if (requestType == OneM2MReqType.DEVICES) {
	devices = (List<SDTDevice>) response;
	refreshDevices();
	} else if (requestType == OneM2MReqType.INCSE_STATUS) {
	boolean isConnected = (Boolean) response;
	refreshCSE(isConnected, isConnected);
	}
	}

	@Override
	public void onOneM2MError(OneM2MReqType requestType, String msg) {
	Toast.makeText(this, "Error " + msg, Toast.LENGTH_LONG).show();
	}

	}