samples/browseable/WearHighBandwidthNetworking/src/com.example.android.wearable.wear.wearhighbandwidthnetworking/MainActivity.java - platform/development - Git at Google

 /*
  * Copyright (C) 2016 Google Inc. 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.example.android.wearable.wear.wearhighbandwidthnetworking;

 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
 import android.view.View;
 import android.view.WindowManager;
 import android.widget.ImageView;
 import android.widget.TextView;

 import java.util.concurrent.TimeUnit;

 /**
  * This sample demonstrates how to determine if a high-bandwidth network is available for use cases
  * that require a minimum network bandwidth, such as streaming media or downloading large files.
  * In addition, the sample demonstrates best practices for asking a user to add a new Wi-Fi network
  * for high-bandwidth network operations, if currently available networks are inadequate.
  */
 public class MainActivity extends Activity  {
     private static final String LOG_TAG = MainActivity.class.getSimpleName();

     // Intent action for sending the user directly to the add Wi-Fi network activity.
     private static final String ACTION_ADD_NETWORK_SETTINGS =
             "com.google.android.clockwork.settings.connectivity.wifi.ADD_NETWORK_SETTINGS";

     // Message to notify the network request timout handler that too much time has passed.
     private static final int MESSAGE_CONNECTIVITY_TIMEOUT = 1;

     // How long the app should wait trying to connect to a sufficient high-bandwidth network before
     // asking the user to add a new Wi-Fi network.
     private static final long NETWORK_CONNECTIVITY_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(10);

     // The minimum network bandwidth required by the app for high-bandwidth operations.
     private static final int MIN_NETWORK_BANDWIDTH_KBPS = 10000;

     private ConnectivityManager mConnectivityManager;
     private ConnectivityManager.NetworkCallback mNetworkCallback;

     // Handler for dealing with network connection timeouts.
     private Handler mHandler;

     private ImageView mConnectivityIcon;
     private TextView mConnectivityText;

     private View mButton;
     private ImageView mButtonIcon;
     private TextView mButtonText;
     private TextView mInfoText;
     private View mProgressBar;

     // Tags added to the button in the UI to detect what operation the user has requested.
     // These are required since the app reuses the button for different states of the app/UI.
     // See onButtonClick() for how these tags are used.
     static final String TAG_REQUEST_NETWORK = "REQUEST_NETWORK";
     static final String TAG_RELEASE_NETWORK = "RELEASE_NETWORK";
     static final String TAG_ADD_WIFI = "ADD_WIFI";

     // These constants are used by setUiState() to determine what information to display in the UI,
     // as this app reuses UI components for the various states of the app, which is dependent on
     // the state of the network.
     static final int UI_STATE_REQUEST_NETWORK = 1;
     static final int UI_STATE_REQUESTING_NETWORK = 2;
     static final int UI_STATE_NETWORK_CONNECTED = 3;
     static final int UI_STATE_CONNECTION_TIMEOUT = 4;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

         mConnectivityIcon = (ImageView) findViewById(R.id.connectivity_icon);
         mConnectivityText = (TextView) findViewById(R.id.connectivity_text);

         mProgressBar = findViewById(R.id.progress_bar);

         mButton = findViewById(R.id.button);
         mButton.setTag(TAG_REQUEST_NETWORK);
         mButtonIcon = (ImageView) findViewById(R.id.button_icon);
         mButtonText = (TextView) findViewById(R.id.button_label);

         mInfoText = (TextView) findViewById(R.id.info_text);

         mConnectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

         mHandler = new Handler() {
             @Override
             public void handleMessage(Message msg) {
                 switch (msg.what) {
                     case MESSAGE_CONNECTIVITY_TIMEOUT:
                         Log.d(LOG_TAG, "Network connection timeout");
                         setUiState(UI_STATE_CONNECTION_TIMEOUT);
                         unregisterNetworkCallback();
                         break;
                 }
             }
         };
     }

     @Override
     public void onStop() {
         releaseHighBandwidthNetwork();
         super.onStop();
     }

     @Override
     public void onResume() {
         super.onResume();

         if (isNetworkHighBandwidth()) {
             setUiState(UI_STATE_NETWORK_CONNECTED);
         } else {
             setUiState(UI_STATE_REQUEST_NETWORK);
         }
     }

     private void unregisterNetworkCallback() {
         if (mNetworkCallback != null) {
             Log.d(LOG_TAG, "Unregistering network callback");
             mConnectivityManager.unregisterNetworkCallback(mNetworkCallback);
             mNetworkCallback = null;
         }
     }

     // Determine if there is a high-bandwidth network exists. Checks both the active
     // and bound networks. Returns false if no network is available (low or high-bandwidth).
     private boolean isNetworkHighBandwidth() {
         Network network = mConnectivityManager.getBoundNetworkForProcess();
         network = network == null ? mConnectivityManager.getActiveNetwork() : network;
         if (network == null) {
             return false;
         }

         // requires android.permission.ACCESS_NETWORK_STATE
         int bandwidth = mConnectivityManager
                 .getNetworkCapabilities(network).getLinkDownstreamBandwidthKbps();

         if (bandwidth >= MIN_NETWORK_BANDWIDTH_KBPS) {
             return true;
         }

         return false;
     }

     private void requestHighBandwidthNetwork() {
         // Before requesting a high-bandwidth network, ensure prior requests are invalidated.
         unregisterNetworkCallback();

         Log.d(LOG_TAG, "Requesting high-bandwidth network");

         // Requesting an unmetered network may prevent you from connecting to the cellular
         // network on the user's watch or phone; however, unless you explicitly ask for permission
         // to a access the user's cellular network, you should request an unmetered network.
         NetworkRequest request = new NetworkRequest.Builder()
                 .addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED)
                 .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
                 .addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
                 .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)
                 .build();

         mNetworkCallback = new ConnectivityManager.NetworkCallback() {
             @Override
             public void onAvailable(final Network network) {
                 mHandler.removeMessages(MESSAGE_CONNECTIVITY_TIMEOUT);

                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
                         // requires android.permission.INTERNET
                         if (!mConnectivityManager.bindProcessToNetwork(network)) {
                             Log.e(LOG_TAG, "ConnectivityManager.bindProcessToNetwork()"
                                     + " requires android.permission.INTERNET");
                             setUiState(UI_STATE_REQUEST_NETWORK);
                         } else {
                             Log.d(LOG_TAG, "Network available");
                             setUiState(UI_STATE_NETWORK_CONNECTED);
                         }
                     }
                 });
             }

             @Override
             public void onCapabilitiesChanged(Network network,
                                               NetworkCapabilities networkCapabilities) {
                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
                         Log.d(LOG_TAG, "Network capabilities changed");
                     }
                 });
             }

             @Override
             public void onLost(Network network) {
                 Log.d(LOG_TAG, "Network lost");

                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
                         setUiState(UI_STATE_REQUEST_NETWORK);
                     }
                 });
             }
         };

         // requires android.permission.CHANGE_NETWORK_STATE
         mConnectivityManager.requestNetwork(request, mNetworkCallback);

         mHandler.sendMessageDelayed(
                 mHandler.obtainMessage(MESSAGE_CONNECTIVITY_TIMEOUT),
                 NETWORK_CONNECTIVITY_TIMEOUT_MS);
     }

     private void releaseHighBandwidthNetwork() {
         mConnectivityManager.bindProcessToNetwork(null);
         unregisterNetworkCallback();
     }

     private void addWifiNetwork() {
         // requires android.permission.CHANGE_WIFI_STATE
         startActivity(new Intent(ACTION_ADD_NETWORK_SETTINGS));
     }

     /**
      * Click handler for the button in the UI. The view tag is used to determine the specific
      * function of the button.
      *
      * @param view The view that was clicked
      */
     public void onButtonClick(View view) {
         switch (view.getTag().toString()) {
             case TAG_REQUEST_NETWORK:
                 requestHighBandwidthNetwork();
                 setUiState(UI_STATE_REQUESTING_NETWORK);
                 break;

             case TAG_RELEASE_NETWORK:
                 releaseHighBandwidthNetwork();
                 setUiState(UI_STATE_REQUEST_NETWORK);
                 break;

             case TAG_ADD_WIFI:
                 addWifiNetwork();
                 break;
         }
     }

     // Sets the text and icons the connectivity indicator, button, and info text in the app UI,
     // which are all reused for the various states of the app and network connectivity. Also,
     // will show/hide a progress bar, which is dependent on the state of the network connectivity
     // request.
     private void setUiState(int uiState) {
         switch (uiState) {
             case UI_STATE_REQUEST_NETWORK:
                 if (isNetworkHighBandwidth()) {
                     mConnectivityIcon.setImageResource(R.drawable.ic_cloud_happy);
                     mConnectivityText.setText(R.string.network_fast);
                 } else {
                     mConnectivityIcon.setImageResource(R.drawable.ic_cloud_sad);
                     mConnectivityText.setText(R.string.network_slow);
                 }

                 mButton.setTag(TAG_REQUEST_NETWORK);
                 mButtonIcon.setImageResource(R.drawable.ic_fast_network);
                 mButtonText.setText(R.string.button_request_network);
                 mInfoText.setText(R.string.info_request_network);

                 break;

             case UI_STATE_REQUESTING_NETWORK:
                 mConnectivityIcon.setImageResource(R.drawable.ic_cloud_disconnected);
                 mConnectivityText.setText(R.string.network_connecting);

                 mProgressBar.setVisibility(View.VISIBLE);
                 mInfoText.setVisibility(View.GONE);
                 mButton.setVisibility(View.GONE);

                 break;

             case UI_STATE_NETWORK_CONNECTED:
                 if (isNetworkHighBandwidth()) {
                     mConnectivityIcon.setImageResource(R.drawable.ic_cloud_happy);
                     mConnectivityText.setText(R.string.network_fast);
                 } else {
                     mConnectivityIcon.setImageResource(R.drawable.ic_cloud_sad);
                     mConnectivityText.setText(R.string.network_slow);
                 }

                 mProgressBar.setVisibility(View.GONE);
                 mInfoText.setVisibility(View.VISIBLE);
                 mButton.setVisibility(View.VISIBLE);

                 mButton.setTag(TAG_RELEASE_NETWORK);
                 mButtonIcon.setImageResource(R.drawable.ic_no_network);
                 mButtonText.setText(R.string.button_release_network);
                 mInfoText.setText(R.string.info_release_network);

                 break;

             case UI_STATE_CONNECTION_TIMEOUT:
                 mConnectivityIcon.setImageResource(R.drawable.ic_cloud_disconnected);
                 mConnectivityText.setText(R.string.network_disconnected);

                 mProgressBar.setVisibility(View.GONE);
                 mInfoText.setVisibility(View.VISIBLE);
                 mButton.setVisibility(View.VISIBLE);

                 mButton.setTag(TAG_ADD_WIFI);
                 mButtonIcon.setImageResource(R.drawable.ic_wifi_network);
                 mButtonText.setText(R.string.button_add_wifi);
                 mInfoText.setText(R.string.info_add_wifi);

                 break;
         }
     }
 }
	/*
	* Copyright (C) 2016 Google Inc. 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.example.android.wearable.wear.wearhighbandwidthnetworking;

	import android.app.Activity;
	import android.content.Context;
	import android.content.Intent;
	import android.net.ConnectivityManager;
	import android.net.Network;
	import android.net.NetworkCapabilities;
	import android.net.NetworkRequest;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.util.Log;
	import android.view.View;
	import android.view.WindowManager;
	import android.widget.ImageView;
	import android.widget.TextView;

	import java.util.concurrent.TimeUnit;

	/**
	* This sample demonstrates how to determine if a high-bandwidth network is available for use cases
	* that require a minimum network bandwidth, such as streaming media or downloading large files.
	* In addition, the sample demonstrates best practices for asking a user to add a new Wi-Fi network
	* for high-bandwidth network operations, if currently available networks are inadequate.
	*/
	public class MainActivity extends Activity {
	private static final String LOG_TAG = MainActivity.class.getSimpleName();

	// Intent action for sending the user directly to the add Wi-Fi network activity.
	private static final String ACTION_ADD_NETWORK_SETTINGS =
	"com.google.android.clockwork.settings.connectivity.wifi.ADD_NETWORK_SETTINGS";

	// Message to notify the network request timout handler that too much time has passed.
	private static final int MESSAGE_CONNECTIVITY_TIMEOUT = 1;

	// How long the app should wait trying to connect to a sufficient high-bandwidth network before
	// asking the user to add a new Wi-Fi network.
	private static final long NETWORK_CONNECTIVITY_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(10);

	// The minimum network bandwidth required by the app for high-bandwidth operations.
	private static final int MIN_NETWORK_BANDWIDTH_KBPS = 10000;

	private ConnectivityManager mConnectivityManager;
	private ConnectivityManager.NetworkCallback mNetworkCallback;

	// Handler for dealing with network connection timeouts.
	private Handler mHandler;

	private ImageView mConnectivityIcon;
	private TextView mConnectivityText;

	private View mButton;
	private ImageView mButtonIcon;
	private TextView mButtonText;
	private TextView mInfoText;
	private View mProgressBar;

	// Tags added to the button in the UI to detect what operation the user has requested.
	// These are required since the app reuses the button for different states of the app/UI.
	// See onButtonClick() for how these tags are used.
	static final String TAG_REQUEST_NETWORK = "REQUEST_NETWORK";
	static final String TAG_RELEASE_NETWORK = "RELEASE_NETWORK";
	static final String TAG_ADD_WIFI = "ADD_WIFI";

	// These constants are used by setUiState() to determine what information to display in the UI,
	// as this app reuses UI components for the various states of the app, which is dependent on
	// the state of the network.
	static final int UI_STATE_REQUEST_NETWORK = 1;
	static final int UI_STATE_REQUESTING_NETWORK = 2;
	static final int UI_STATE_NETWORK_CONNECTED = 3;
	static final int UI_STATE_CONNECTION_TIMEOUT = 4;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);

	getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

	mConnectivityIcon = (ImageView) findViewById(R.id.connectivity_icon);
	mConnectivityText = (TextView) findViewById(R.id.connectivity_text);

	mProgressBar = findViewById(R.id.progress_bar);

	mButton = findViewById(R.id.button);
	mButton.setTag(TAG_REQUEST_NETWORK);
	mButtonIcon = (ImageView) findViewById(R.id.button_icon);
	mButtonText = (TextView) findViewById(R.id.button_label);

	mInfoText = (TextView) findViewById(R.id.info_text);

	mConnectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

	mHandler = new Handler() {
	@Override
	public void handleMessage(Message msg) {
	switch (msg.what) {
	case MESSAGE_CONNECTIVITY_TIMEOUT:
	Log.d(LOG_TAG, "Network connection timeout");
	setUiState(UI_STATE_CONNECTION_TIMEOUT);
	unregisterNetworkCallback();
	break;
	}
	}
	};
	}

	@Override
	public void onStop() {
	releaseHighBandwidthNetwork();
	super.onStop();
	}

	@Override
	public void onResume() {
	super.onResume();

	if (isNetworkHighBandwidth()) {
	setUiState(UI_STATE_NETWORK_CONNECTED);
	} else {
	setUiState(UI_STATE_REQUEST_NETWORK);
	}
	}

	private void unregisterNetworkCallback() {
	if (mNetworkCallback != null) {
	Log.d(LOG_TAG, "Unregistering network callback");
	mConnectivityManager.unregisterNetworkCallback(mNetworkCallback);
	mNetworkCallback = null;
	}
	}

	// Determine if there is a high-bandwidth network exists. Checks both the active
	// and bound networks. Returns false if no network is available (low or high-bandwidth).
	private boolean isNetworkHighBandwidth() {
	Network network = mConnectivityManager.getBoundNetworkForProcess();
	network = network == null ? mConnectivityManager.getActiveNetwork() : network;
	if (network == null) {
	return false;
	}

	// requires android.permission.ACCESS_NETWORK_STATE
	int bandwidth = mConnectivityManager
	.getNetworkCapabilities(network).getLinkDownstreamBandwidthKbps();

	if (bandwidth >= MIN_NETWORK_BANDWIDTH_KBPS) {
	return true;
	}

	return false;
	}

	private void requestHighBandwidthNetwork() {
	// Before requesting a high-bandwidth network, ensure prior requests are invalidated.
	unregisterNetworkCallback();

	Log.d(LOG_TAG, "Requesting high-bandwidth network");

	// Requesting an unmetered network may prevent you from connecting to the cellular
	// network on the user's watch or phone; however, unless you explicitly ask for permission
	// to a access the user's cellular network, you should request an unmetered network.
	NetworkRequest request = new NetworkRequest.Builder()
	.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED)
	.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
	.addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
	.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)
	.build();

	mNetworkCallback = new ConnectivityManager.NetworkCallback() {
	@Override
	public void onAvailable(final Network network) {
	mHandler.removeMessages(MESSAGE_CONNECTIVITY_TIMEOUT);

	runOnUiThread(new Runnable() {
	@Override
	public void run() {
	// requires android.permission.INTERNET
	if (!mConnectivityManager.bindProcessToNetwork(network)) {
	Log.e(LOG_TAG, "ConnectivityManager.bindProcessToNetwork()"
	+ " requires android.permission.INTERNET");
	setUiState(UI_STATE_REQUEST_NETWORK);
	} else {
	Log.d(LOG_TAG, "Network available");
	setUiState(UI_STATE_NETWORK_CONNECTED);
	}
	}
	});
	}

	@Override
	public void onCapabilitiesChanged(Network network,
	NetworkCapabilities networkCapabilities) {
	runOnUiThread(new Runnable() {
	@Override
	public void run() {
	Log.d(LOG_TAG, "Network capabilities changed");
	}
	});
	}

	@Override
	public void onLost(Network network) {
	Log.d(LOG_TAG, "Network lost");

	runOnUiThread(new Runnable() {
	@Override
	public void run() {
	setUiState(UI_STATE_REQUEST_NETWORK);
	}
	});
	}
	};

	// requires android.permission.CHANGE_NETWORK_STATE
	mConnectivityManager.requestNetwork(request, mNetworkCallback);

	mHandler.sendMessageDelayed(
	mHandler.obtainMessage(MESSAGE_CONNECTIVITY_TIMEOUT),
	NETWORK_CONNECTIVITY_TIMEOUT_MS);
	}

	private void releaseHighBandwidthNetwork() {
	mConnectivityManager.bindProcessToNetwork(null);
	unregisterNetworkCallback();
	}

	private void addWifiNetwork() {
	// requires android.permission.CHANGE_WIFI_STATE
	startActivity(new Intent(ACTION_ADD_NETWORK_SETTINGS));
	}

	/**
	* Click handler for the button in the UI. The view tag is used to determine the specific
	* function of the button.
	*
	* @param view The view that was clicked
	*/
	public void onButtonClick(View view) {
	switch (view.getTag().toString()) {
	case TAG_REQUEST_NETWORK:
	requestHighBandwidthNetwork();
	setUiState(UI_STATE_REQUESTING_NETWORK);
	break;

	case TAG_RELEASE_NETWORK:
	releaseHighBandwidthNetwork();
	setUiState(UI_STATE_REQUEST_NETWORK);
	break;

	case TAG_ADD_WIFI:
	addWifiNetwork();
	break;
	}
	}

	// Sets the text and icons the connectivity indicator, button, and info text in the app UI,
	// which are all reused for the various states of the app and network connectivity. Also,
	// will show/hide a progress bar, which is dependent on the state of the network connectivity
	// request.
	private void setUiState(int uiState) {
	switch (uiState) {
	case UI_STATE_REQUEST_NETWORK:
	if (isNetworkHighBandwidth()) {
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_happy);
	mConnectivityText.setText(R.string.network_fast);
	} else {
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_sad);
	mConnectivityText.setText(R.string.network_slow);
	}

	mButton.setTag(TAG_REQUEST_NETWORK);
	mButtonIcon.setImageResource(R.drawable.ic_fast_network);
	mButtonText.setText(R.string.button_request_network);
	mInfoText.setText(R.string.info_request_network);

	break;

	case UI_STATE_REQUESTING_NETWORK:
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_disconnected);
	mConnectivityText.setText(R.string.network_connecting);

	mProgressBar.setVisibility(View.VISIBLE);
	mInfoText.setVisibility(View.GONE);
	mButton.setVisibility(View.GONE);

	break;

	case UI_STATE_NETWORK_CONNECTED:
	if (isNetworkHighBandwidth()) {
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_happy);
	mConnectivityText.setText(R.string.network_fast);
	} else {
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_sad);
	mConnectivityText.setText(R.string.network_slow);
	}

	mProgressBar.setVisibility(View.GONE);
	mInfoText.setVisibility(View.VISIBLE);
	mButton.setVisibility(View.VISIBLE);

	mButton.setTag(TAG_RELEASE_NETWORK);
	mButtonIcon.setImageResource(R.drawable.ic_no_network);
	mButtonText.setText(R.string.button_release_network);
	mInfoText.setText(R.string.info_release_network);

	break;

	case UI_STATE_CONNECTION_TIMEOUT:
	mConnectivityIcon.setImageResource(R.drawable.ic_cloud_disconnected);
	mConnectivityText.setText(R.string.network_disconnected);

	mProgressBar.setVisibility(View.GONE);
	mInfoText.setVisibility(View.VISIBLE);
	mButton.setVisibility(View.VISIBLE);

	mButton.setTag(TAG_ADD_WIFI);
	mButtonIcon.setImageResource(R.drawable.ic_wifi_network);
	mButtonText.setText(R.string.button_add_wifi);
	mInfoText.setText(R.string.info_add_wifi);

	break;
	}
	}
	}