examples/tv-casting-app/android/App/app/src/main/java/com/matter/casting/DiscoveryExampleFragment.java - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *   Copyright (c) 2023 Project CHIP Authors
  *   All rights reserved.
  *
  *   Licensed under the Apache License, Version 2.0 (the "License");
  *   you may not use this file except in compliance with the License.
  *   You may obtain a copy of the License at
  *
  *       http://www.apache.org/licenses/LICENSE-2.0
  *
  *   Unless required by applicable law or agreed to in writing, software
  *   distributed under the License is distributed on an "AS IS" BASIS,
  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *   See the License for the specific language governing permissions and
  *   limitations under the License.
  */
 package com.matter.casting;

 import android.content.Context;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import com.R;
 import com.matter.casting.core.CastingPlayer;
 import com.matter.casting.core.CastingPlayerDiscovery;
 import com.matter.casting.core.MatterCastingPlayerDiscovery;
 import com.matter.casting.support.MatterError;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;

 public class DiscoveryExampleFragment extends Fragment {
   private static final String TAG = DiscoveryExampleFragment.class.getSimpleName();
   // 35 represents device type of Matter Casting Player
   private static final Long DISCOVERY_TARGET_DEVICE_TYPE = 35L;
   private static final int DISCOVERY_RUNTIME_SEC = 15;
   private TextView matterDiscoveryMessageTextView;
   private TextView matterDiscoveryErrorMessageTextView;
   private static final List<CastingPlayer> castingPlayerList = new ArrayList<>();
   private static ArrayAdapter<CastingPlayer> arrayAdapter;

   // Get a singleton instance of the MatterCastingPlayerDiscovery
   private static final CastingPlayerDiscovery matterCastingPlayerDiscovery =
       MatterCastingPlayerDiscovery.getInstance();

   /**
    * Implementation of a CastingPlayerChangeListener used to listen to changes in the discovered
    * CastingPlayers
    */
   private static final CastingPlayerDiscovery.CastingPlayerChangeListener
       castingPlayerChangeListener =
           new CastingPlayerDiscovery.CastingPlayerChangeListener() {
             private final String TAG =
                 CastingPlayerDiscovery.CastingPlayerChangeListener.class.getSimpleName();

             @Override
             public void onAdded(CastingPlayer castingPlayer) {
               Log.i(
                   TAG,
                   "onAdded() Discovered CastingPlayer deviceId: " + castingPlayer.getDeviceId());
               // Display CastingPlayer info on the screen
               new Handler(Looper.getMainLooper())
                   .post(
                       () -> {
                         arrayAdapter.add(castingPlayer);
                       });
             }

             @Override
             public void onChanged(CastingPlayer castingPlayer) {
               Log.i(
                   TAG,
                   "onChanged() Discovered changes to CastingPlayer with deviceId: "
                       + castingPlayer.getDeviceId());
               // Update the CastingPlayer on the screen
               new Handler(Looper.getMainLooper())
                   .post(
                       () -> {
                         final Optional<CastingPlayer> playerInList =
                             castingPlayerList
                                 .stream()
                                 .filter(node -> castingPlayer.equals(node))
                                 .findFirst();
                         if (playerInList.isPresent()) {
                           Log.d(
                               TAG,
                               "onChanged() Updating existing CastingPlayer entry "
                                   + playerInList.get().getDeviceId()
                                   + " in castingPlayerList list");
                           arrayAdapter.remove(playerInList.get());
                         }
                         arrayAdapter.add(castingPlayer);
                       });
             }

             @Override
             public void onRemoved(CastingPlayer castingPlayer) {
               Log.i(
                   TAG,
                   "onRemoved() Removed CastingPlayer with deviceId: "
                       + castingPlayer.getDeviceId());
               // Remove CastingPlayer from the screen
               new Handler(Looper.getMainLooper())
                   .post(
                       () -> {
                         final Optional<CastingPlayer> playerInList =
                             castingPlayerList
                                 .stream()
                                 .filter(node -> castingPlayer.equals(node))
                                 .findFirst();
                         if (playerInList.isPresent()) {
                           Log.d(
                               TAG,
                               "onRemoved() Removing existing CastingPlayer entry "
                                   + playerInList.get().getDeviceId()
                                   + " in castingPlayerList list");
                           arrayAdapter.remove(playerInList.get());
                         }
                       });
             }
           };

   public static DiscoveryExampleFragment newInstance() {
     Log.i(TAG, "newInstance() called");
     return new DiscoveryExampleFragment();
   }

   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     Log.i(TAG, "onCreate() called");
   }

   @Override
   public View onCreateView(
       LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     Log.i(TAG, "onCreateView() called");
     // Inflate the layout for this fragment
     return inflater.inflate(R.layout.fragment_matter_discovery_example, container, false);
   }

   @Override
   public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
     super.onViewCreated(view, savedInstanceState);
     Log.i(TAG, "onViewCreated() called");

     matterDiscoveryMessageTextView =
         getActivity().findViewById(R.id.matterDiscoveryMessageTextView);
     matterDiscoveryMessageTextView.setText(
         getString(R.string.matter_discovery_message_initializing_text));

     matterDiscoveryErrorMessageTextView =
         getActivity().findViewById(R.id.matterDiscoveryErrorTextView);
     matterDiscoveryErrorMessageTextView.setText(
         getString(R.string.matter_discovery_error_message_initial));

     arrayAdapter = new CastingPlayerArrayAdapter(getActivity(), castingPlayerList);
     final ListView list = getActivity().findViewById(R.id.castingPlayerList);
     list.setAdapter(arrayAdapter);

     Log.d(TAG, "onViewCreated() creating callbacks");

     Button startDiscoveryButton = getView().findViewById(R.id.startDiscoveryButton);
     startDiscoveryButton.setOnClickListener(
         v -> {
           Log.i(
               TAG, "onViewCreated() startDiscoveryButton button clicked. Calling startDiscovery()");
           if (!startDiscovery()) {
             Log.e(TAG, "onViewCreated() startDiscovery() call Failed");
           }
         });

     Button stopDiscoveryButton = getView().findViewById(R.id.stopDiscoveryButton);
     stopDiscoveryButton.setOnClickListener(
         v -> {
           Log.i(TAG, "onViewCreated() stopDiscoveryButton button clicked. Calling stopDiscovery()");
           stopDiscovery();
         });

     Button clearDiscoveryResultsButton = getView().findViewById(R.id.clearDiscoveryResultsButton);
     clearDiscoveryResultsButton.setOnClickListener(
         v -> {
           Log.i(
               TAG, "onViewCreated() clearDiscoveryResultsButton button clicked. Clearing results");
           arrayAdapter.clear();
           matterDiscoveryErrorMessageTextView.setText(
               getString(R.string.matter_discovery_error_message_initial));
         });
   }

   @Override
   public void onResume() {
     Log.i(TAG, "onResume() called");
     super.onResume();
     MatterError err =
         matterCastingPlayerDiscovery.removeCastingPlayerChangeListener(castingPlayerChangeListener);
     if (err.hasError()) {
       Log.e(TAG, "onResume() removeCastingPlayerChangeListener() err: " + err);
     }
     if (!startDiscovery()) {
       Log.e(TAG, "onResume() Warning: startDiscovery() call Failed");
     }
   }

   @Override
   public void onPause() {
     super.onPause();
     Log.i(TAG, "onPause() called");
   }

   /** Interface for notifying the host. */
   public interface Callback {
     /** Notifies listener of Connection Button click. */
     // TODO: In following PRs. Implement CastingPlayer connection
     void handleConnectionButtonClicked(CastingPlayer castingPlayer);
   }

   private boolean startDiscovery() {
     Log.i(TAG, "startDiscovery() called");
     matterDiscoveryErrorMessageTextView.setText(
         getString(R.string.matter_discovery_error_message_initial));

     arrayAdapter.clear();

     // Add the implemented CastingPlayerChangeListener to listen to changes in the discovered
     // CastingPlayers
     MatterError err =
         matterCastingPlayerDiscovery.addCastingPlayerChangeListener(castingPlayerChangeListener);
     if (err.hasError()) {
       Log.e(TAG, "startDiscovery() addCastingPlayerChangeListener() called, err Add: " + err);
       matterDiscoveryErrorMessageTextView.setText(
           getString(R.string.matter_discovery_error_message_stop_before_starting) + err);
       return false;
     }
     // Start discovery
     Log.i(TAG, "startDiscovery() calling CastingPlayerDiscovery.startDiscovery()");
     err = matterCastingPlayerDiscovery.startDiscovery(DISCOVERY_TARGET_DEVICE_TYPE);
     if (err.hasError()) {
       Log.e(TAG, "startDiscovery() startDiscovery() called, err Start: " + err);
       matterDiscoveryErrorMessageTextView.setText(
           getString(R.string.matter_discovery_error_message_start_error) + err);
       return false;
     }

     Log.i(TAG, "startDiscovery() started discovery");

     matterDiscoveryMessageTextView.setText(
         getString(R.string.matter_discovery_message_discovering_text));

     return true;
   }

   private void stopDiscovery() {
     Log.i(TAG, "stopDiscovery() called");
     matterDiscoveryErrorMessageTextView.setText(
         getString(R.string.matter_discovery_error_message_initial));

     // Stop discovery
     MatterError err = matterCastingPlayerDiscovery.stopDiscovery();
     if (err.hasError()) {
       Log.e(
           TAG,
           "stopDiscovery() MatterCastingPlayerDiscovery.stopDiscovery() called, err Stop: " + err);
       matterDiscoveryErrorMessageTextView.setText(
           getString(R.string.matter_discovery_error_message_stop_error) + err);
     } else {
       Log.d(TAG, "stopDiscovery() MatterCastingPlayerDiscovery.stopDiscovery() success");
     }

     matterDiscoveryMessageTextView.setText(
         getString(R.string.matter_discovery_message_stopped_text));
     Log.d(
         TAG,
         "stopDiscovery() text set to: "
             + getString(R.string.matter_discovery_message_stopped_text));

     // Remove the CastingPlayerChangeListener
     Log.i(TAG, "stopDiscovery() removing CastingPlayerChangeListener");
     err =
         matterCastingPlayerDiscovery.removeCastingPlayerChangeListener(castingPlayerChangeListener);
     if (err.hasError()) {
       Log.e(
           TAG,
           "stopDiscovery() matterCastingPlayerDiscovery.removeCastingPlayerChangeListener() called, err Remove: "
               + err);
       matterDiscoveryErrorMessageTextView.setText(
           getString(R.string.matter_discovery_error_message_stop_error) + err);
     }
   }
 }

 class CastingPlayerArrayAdapter extends ArrayAdapter<CastingPlayer> {
   private final List<CastingPlayer> playerList;
   private final Context context;
   private LayoutInflater inflater;
   private static final String TAG = CastingPlayerArrayAdapter.class.getSimpleName();

   public CastingPlayerArrayAdapter(Context context, List<CastingPlayer> playerList) {
     super(context, 0, playerList);
     Log.i(TAG, "CastingPlayerArrayAdapter() constructor called");
     this.context = context;
     this.playerList = playerList;
     inflater = (LayoutInflater.from(context));
   }

   @Override
   public View getView(int i, View view, ViewGroup viewGroup) {
     view = inflater.inflate(R.layout.commissionable_player_list_item, null);
     String buttonText = getCastingPlayerButtonText(playerList.get(i));
     Button playerDescription = view.findViewById(R.id.commissionable_player_description);
     playerDescription.setText(buttonText);

     View.OnClickListener clickListener =
         v -> {
           CastingPlayer castingPlayer = playerList.get(i);
           Log.d(
               TAG,
               "OnClickListener.onClick() called for CastingPlayer with deviceId: "
                   + castingPlayer.getDeviceId());
           DiscoveryExampleFragment.Callback onClickCallback =
               (DiscoveryExampleFragment.Callback) context;
           onClickCallback.handleConnectionButtonClicked(castingPlayer);
         };
     playerDescription.setOnClickListener(clickListener);
     return view;
   }

   private String getCastingPlayerButtonText(CastingPlayer player) {
     String main = player.getDeviceName() != null ? player.getDeviceName() : "";
     String aux = "" + (player.getDeviceId() != null ? "Device ID: " + player.getDeviceId() : "");
     aux +=
         player.getProductId() > 0
             ? (aux.isEmpty() ? "" : ", ") + "Product ID: " + player.getProductId()
             : "";
     aux +=
         player.getVendorId() > 0
             ? (aux.isEmpty() ? "" : ", ") + "Vendor ID: " + player.getVendorId()
             : "";
     aux +=
         player.getDeviceType() > 0
             ? (aux.isEmpty() ? "" : ", ") + "Device Type: " + player.getDeviceType()
             : "";
     aux += (aux.isEmpty() ? "" : ", ") + "Resolved IP?: " + (player.getIpAddresses().size() > 0);
     aux +=
         (aux.isEmpty() ? "" : ", ")
             + "Supports Commissioner Generated Passcode: "
             + (player.getSupportsCommissionerGeneratedPasscode());

     aux = aux.isEmpty() ? aux : "\n" + aux;
     return main + aux;
   }
 }
	/*
	* Copyright (c) 2023 Project CHIP Authors
	* All rights reserved.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.matter.casting;

	import android.content.Context;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Looper;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.ListView;
	import android.widget.TextView;
	import androidx.annotation.Nullable;
	import androidx.fragment.app.Fragment;
	import com.R;
	import com.matter.casting.core.CastingPlayer;
	import com.matter.casting.core.CastingPlayerDiscovery;
	import com.matter.casting.core.MatterCastingPlayerDiscovery;
	import com.matter.casting.support.MatterError;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Optional;

	public class DiscoveryExampleFragment extends Fragment {
	private static final String TAG = DiscoveryExampleFragment.class.getSimpleName();
	// 35 represents device type of Matter Casting Player
	private static final Long DISCOVERY_TARGET_DEVICE_TYPE = 35L;
	private static final int DISCOVERY_RUNTIME_SEC = 15;
	private TextView matterDiscoveryMessageTextView;
	private TextView matterDiscoveryErrorMessageTextView;
	private static final List<CastingPlayer> castingPlayerList = new ArrayList<>();
	private static ArrayAdapter<CastingPlayer> arrayAdapter;

	// Get a singleton instance of the MatterCastingPlayerDiscovery
	private static final CastingPlayerDiscovery matterCastingPlayerDiscovery =
	MatterCastingPlayerDiscovery.getInstance();

	/**
	* Implementation of a CastingPlayerChangeListener used to listen to changes in the discovered
	* CastingPlayers
	*/
	private static final CastingPlayerDiscovery.CastingPlayerChangeListener
	castingPlayerChangeListener =
	new CastingPlayerDiscovery.CastingPlayerChangeListener() {
	private final String TAG =
	CastingPlayerDiscovery.CastingPlayerChangeListener.class.getSimpleName();

	@Override
	public void onAdded(CastingPlayer castingPlayer) {
	Log.i(
	TAG,
	"onAdded() Discovered CastingPlayer deviceId: " + castingPlayer.getDeviceId());
	// Display CastingPlayer info on the screen
	new Handler(Looper.getMainLooper())
	.post(
	() -> {
	arrayAdapter.add(castingPlayer);
	});
	}

	@Override
	public void onChanged(CastingPlayer castingPlayer) {
	Log.i(
	TAG,
	"onChanged() Discovered changes to CastingPlayer with deviceId: "
	+ castingPlayer.getDeviceId());
	// Update the CastingPlayer on the screen
	new Handler(Looper.getMainLooper())
	.post(
	() -> {
	final Optional<CastingPlayer> playerInList =
	castingPlayerList
	.stream()
	.filter(node -> castingPlayer.equals(node))
	.findFirst();
	if (playerInList.isPresent()) {
	Log.d(
	TAG,
	"onChanged() Updating existing CastingPlayer entry "
	+ playerInList.get().getDeviceId()
	+ " in castingPlayerList list");
	arrayAdapter.remove(playerInList.get());
	}
	arrayAdapter.add(castingPlayer);
	});
	}

	@Override
	public void onRemoved(CastingPlayer castingPlayer) {
	Log.i(
	TAG,
	"onRemoved() Removed CastingPlayer with deviceId: "
	+ castingPlayer.getDeviceId());
	// Remove CastingPlayer from the screen
	new Handler(Looper.getMainLooper())
	.post(
	() -> {
	final Optional<CastingPlayer> playerInList =
	castingPlayerList
	.stream()
	.filter(node -> castingPlayer.equals(node))
	.findFirst();
	if (playerInList.isPresent()) {
	Log.d(
	TAG,
	"onRemoved() Removing existing CastingPlayer entry "
	+ playerInList.get().getDeviceId()
	+ " in castingPlayerList list");
	arrayAdapter.remove(playerInList.get());
	}
	});
	}
	};

	public static DiscoveryExampleFragment newInstance() {
	Log.i(TAG, "newInstance() called");
	return new DiscoveryExampleFragment();
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	Log.i(TAG, "onCreate() called");
	}

	@Override
	public View onCreateView(
	LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	Log.i(TAG, "onCreateView() called");
	// Inflate the layout for this fragment
	return inflater.inflate(R.layout.fragment_matter_discovery_example, container, false);
	}

	@Override
	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	Log.i(TAG, "onViewCreated() called");

	matterDiscoveryMessageTextView =
	getActivity().findViewById(R.id.matterDiscoveryMessageTextView);
	matterDiscoveryMessageTextView.setText(
	getString(R.string.matter_discovery_message_initializing_text));

	matterDiscoveryErrorMessageTextView =
	getActivity().findViewById(R.id.matterDiscoveryErrorTextView);
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_initial));

	arrayAdapter = new CastingPlayerArrayAdapter(getActivity(), castingPlayerList);
	final ListView list = getActivity().findViewById(R.id.castingPlayerList);
	list.setAdapter(arrayAdapter);

	Log.d(TAG, "onViewCreated() creating callbacks");

	Button startDiscoveryButton = getView().findViewById(R.id.startDiscoveryButton);
	startDiscoveryButton.setOnClickListener(
	v -> {
	Log.i(
	TAG, "onViewCreated() startDiscoveryButton button clicked. Calling startDiscovery()");
	if (!startDiscovery()) {
	Log.e(TAG, "onViewCreated() startDiscovery() call Failed");
	}
	});

	Button stopDiscoveryButton = getView().findViewById(R.id.stopDiscoveryButton);
	stopDiscoveryButton.setOnClickListener(
	v -> {
	Log.i(TAG, "onViewCreated() stopDiscoveryButton button clicked. Calling stopDiscovery()");
	stopDiscovery();
	});

	Button clearDiscoveryResultsButton = getView().findViewById(R.id.clearDiscoveryResultsButton);
	clearDiscoveryResultsButton.setOnClickListener(
	v -> {
	Log.i(
	TAG, "onViewCreated() clearDiscoveryResultsButton button clicked. Clearing results");
	arrayAdapter.clear();
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_initial));
	});
	}

	@Override
	public void onResume() {
	Log.i(TAG, "onResume() called");
	super.onResume();
	MatterError err =
	matterCastingPlayerDiscovery.removeCastingPlayerChangeListener(castingPlayerChangeListener);
	if (err.hasError()) {
	Log.e(TAG, "onResume() removeCastingPlayerChangeListener() err: " + err);
	}
	if (!startDiscovery()) {
	Log.e(TAG, "onResume() Warning: startDiscovery() call Failed");
	}
	}

	@Override
	public void onPause() {
	super.onPause();
	Log.i(TAG, "onPause() called");
	}

	/** Interface for notifying the host. */
	public interface Callback {
	/** Notifies listener of Connection Button click. */
	// TODO: In following PRs. Implement CastingPlayer connection
	void handleConnectionButtonClicked(CastingPlayer castingPlayer);
	}

	private boolean startDiscovery() {
	Log.i(TAG, "startDiscovery() called");
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_initial));

	arrayAdapter.clear();

	// Add the implemented CastingPlayerChangeListener to listen to changes in the discovered
	// CastingPlayers
	MatterError err =
	matterCastingPlayerDiscovery.addCastingPlayerChangeListener(castingPlayerChangeListener);
	if (err.hasError()) {
	Log.e(TAG, "startDiscovery() addCastingPlayerChangeListener() called, err Add: " + err);
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_stop_before_starting) + err);
	return false;
	}
	// Start discovery
	Log.i(TAG, "startDiscovery() calling CastingPlayerDiscovery.startDiscovery()");
	err = matterCastingPlayerDiscovery.startDiscovery(DISCOVERY_TARGET_DEVICE_TYPE);
	if (err.hasError()) {
	Log.e(TAG, "startDiscovery() startDiscovery() called, err Start: " + err);
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_start_error) + err);
	return false;
	}

	Log.i(TAG, "startDiscovery() started discovery");

	matterDiscoveryMessageTextView.setText(
	getString(R.string.matter_discovery_message_discovering_text));

	return true;
	}

	private void stopDiscovery() {
	Log.i(TAG, "stopDiscovery() called");
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_initial));

	// Stop discovery
	MatterError err = matterCastingPlayerDiscovery.stopDiscovery();
	if (err.hasError()) {
	Log.e(
	TAG,
	"stopDiscovery() MatterCastingPlayerDiscovery.stopDiscovery() called, err Stop: " + err);
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_stop_error) + err);
	} else {
	Log.d(TAG, "stopDiscovery() MatterCastingPlayerDiscovery.stopDiscovery() success");
	}

	matterDiscoveryMessageTextView.setText(
	getString(R.string.matter_discovery_message_stopped_text));
	Log.d(
	TAG,
	"stopDiscovery() text set to: "
	+ getString(R.string.matter_discovery_message_stopped_text));

	// Remove the CastingPlayerChangeListener
	Log.i(TAG, "stopDiscovery() removing CastingPlayerChangeListener");
	err =
	matterCastingPlayerDiscovery.removeCastingPlayerChangeListener(castingPlayerChangeListener);
	if (err.hasError()) {
	Log.e(
	TAG,
	"stopDiscovery() matterCastingPlayerDiscovery.removeCastingPlayerChangeListener() called, err Remove: "
	+ err);
	matterDiscoveryErrorMessageTextView.setText(
	getString(R.string.matter_discovery_error_message_stop_error) + err);
	}
	}
	}

	class CastingPlayerArrayAdapter extends ArrayAdapter<CastingPlayer> {
	private final List<CastingPlayer> playerList;
	private final Context context;
	private LayoutInflater inflater;
	private static final String TAG = CastingPlayerArrayAdapter.class.getSimpleName();

	public CastingPlayerArrayAdapter(Context context, List<CastingPlayer> playerList) {
	super(context, 0, playerList);
	Log.i(TAG, "CastingPlayerArrayAdapter() constructor called");
	this.context = context;
	this.playerList = playerList;
	inflater = (LayoutInflater.from(context));
	}

	@Override
	public View getView(int i, View view, ViewGroup viewGroup) {
	view = inflater.inflate(R.layout.commissionable_player_list_item, null);
	String buttonText = getCastingPlayerButtonText(playerList.get(i));
	Button playerDescription = view.findViewById(R.id.commissionable_player_description);
	playerDescription.setText(buttonText);

	View.OnClickListener clickListener =
	v -> {
	CastingPlayer castingPlayer = playerList.get(i);
	Log.d(
	TAG,
	"OnClickListener.onClick() called for CastingPlayer with deviceId: "
	+ castingPlayer.getDeviceId());
	DiscoveryExampleFragment.Callback onClickCallback =
	(DiscoveryExampleFragment.Callback) context;
	onClickCallback.handleConnectionButtonClicked(castingPlayer);
	};
	playerDescription.setOnClickListener(clickListener);
	return view;
	}

	private String getCastingPlayerButtonText(CastingPlayer player) {
	String main = player.getDeviceName() != null ? player.getDeviceName() : "";
	String aux = "" + (player.getDeviceId() != null ? "Device ID: " + player.getDeviceId() : "");
	aux +=
	player.getProductId() > 0
	? (aux.isEmpty() ? "" : ", ") + "Product ID: " + player.getProductId()
	: "";
	aux +=
	player.getVendorId() > 0
	? (aux.isEmpty() ? "" : ", ") + "Vendor ID: " + player.getVendorId()
	: "";
	aux +=
	player.getDeviceType() > 0
	? (aux.isEmpty() ? "" : ", ") + "Device Type: " + player.getDeviceType()
	: "";
	aux += (aux.isEmpty() ? "" : ", ") + "Resolved IP?: " + (player.getIpAddresses().size() > 0);
	aux +=
	(aux.isEmpty() ? "" : ", ")
	+ "Supports Commissioner Generated Passcode: "
	+ (player.getSupportsCommissionerGeneratedPasscode());

	aux = aux.isEmpty() ? aux : "\n" + aux;
	return main + aux;
	}
	}