Android Open Source - android_device Connection Info Fragment

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License

The source code is released under:

[Apache License](http://www.apache.org/licenses/): Version 2.0, January 2004 =============== ## TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION ## ### 1. Definitions. ### "License" sha...

Java Source Code

/*
 * =================================================================================================
 *                Copyright (C) 2013 - 2014 Martin Albedinsky [Wolf-ITechnologies]
 * =================================================================================================
 *         Licensed under the Apache License, Version 2.0 or later (further "License" only).
 * -------------------------------------------------------------------------------------------------
 * You may use this file only in compliance with the License. More details and copy of this License
 * you may obtain at//from  ww  w  .  ja  v  a 2 s .  c  o m
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * You can redistribute, modify or publish any part of the code written within this file but as it
 * is described in the License, the software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES or CONDITIONS OF ANY KIND.
 *
 * See the License for the specific language governing permissions and limitations under the License.
 * =================================================================================================
 */
package com.wit.android.device.examples.fragment;

import android.content.Context;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.view.View;
import android.widget.ListView;

import com.wit.android.device.examples.R;
import com.wit.android.device.examples.adapter.ConnectionInfoAdapter;
import com.wit.android.device.examples.model.ConnectionInfo;
import com.wit.android.device.Connection;
import com.wit.android.examples.libs.fragment.annotation.ExActionBarOptions;
import com.wit.android.examples.libs.fragment.annotation.ExContentView;

/**
 * <p>
 * Description.
 * </p>
 *
 * @author Martin Albedinsky
 */
@ExContentView(R.layout.fragment_listview)
@ExActionBarOptions(title = R.string.Navigation_Label_ConnectionInfo)
public class ConnectionInfoFragment extends BaseDeviceFragment {

  /**
   * Log TAG.
   */
  // private static final String TAG = ConnectionInfoFragment.class.getSimpleName();

  /**
   *
   */
  private final NetworkListener NETWORK_LISTENER = new NetworkListener();

  /**
   *
   */
  private ConnectionInfoAdapter mAdapter;

  /**
   */
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    // Set up list view and adapter.
    if (mAdapter == null) {
      this.mAdapter = new ConnectionInfoAdapter(getActivity());
    }
    ((ListView) view.findViewById(android.R.id.list)).setAdapter(mAdapter);

    final Connection connection = getAndroidDevice().getConnection();
    // Register network listener.
    // Register network broadcast receivers.
    connection.registerOnConnectionListener(NETWORK_LISTENER);
    connection.registerConnectionReceiver(getActivity());
  }

  /**
   */
  @Override
  public void onDestroyView() {
    super.onDestroyView();
    final Connection connection = getAndroidDevice().getConnection();
    // UnRegister network listener.
    // UnRegister network broadcast receivers.
    connection.unregisterOnConnectionListener(NETWORK_LISTENER);
    connection.unregisterConnectionReceiver(getActivity());
  }

  /**
   *
   * @param type
   * @param info
   */
  private void dispatchConnectionChange(Connection.ConnectionType type, NetworkInfo info, boolean connected) {
    if (connected) {
      mAdapter.dispatchNewInfo(new ConnectionInfo(type, info));
    } else {
      final ConnectionInfo connectionInfo = new ConnectionInfo();
      connectionInfo.setLostType(type);
      mAdapter.dispatchNewInfo(connectionInfo);
    }
  }

  /**
   *
   */
  private class NetworkListener implements Connection.OnConnectionListener {

    @Override
    public void onConnectionEstablished(@NonNull Connection.ConnectionType type, NetworkInfo info, @NonNull Context context) {
      dispatchConnectionChange(type, info, true);
    }

    @Override
    public void onConnectionLost(@NonNull Connection.ConnectionType type, @NonNull Context context) {
      dispatchConnectionChange(type, null, false);
    }
  }
}

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