Android Open Source - WifiDLite Peer List Subscription

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (c) 2014 Albert C. Braun/*from   w ww. j  a v a2 s. co  m*/
 *
 * 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.albertcbraun.wifidlitedemoapp.fragments;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

import com.albertcbraun.wifidlite.Peer;
import com.albertcbraun.wifidlite.PeerConnectionListener;
import com.albertcbraun.wifidlite.PeerListAcquisitionListener;
import com.albertcbraun.wifidlite.Util;
import com.albertcbraun.wifidlitedemoapp.R;

import java.util.List;

/**
 * A fragment demonstrating the ability of the WifiDLite library
 * to obtain lists of Peer devices and their services.
 */
public class PeerListSubscription extends FragmentBase {

    private static final String TAG = PeerListSubscription.class.getCanonicalName();

    private PeerListAcquisitionListener peerListAcquisitionListener = null;

    /**
     * Returns a new instance of this fragment for the given section
     * number.
     */
    public static PeerListSubscription newInstance(int sectionNumber) {
        PeerListSubscription fragment = new PeerListSubscription();
        Bundle args = new Bundle();
        args.putInt(ARG_SECTION_NUMBER, sectionNumber);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_peer_list_subscription, container, false);

        // customizations here
        final Button subscribeToPeersButton = (Button) rootView.findViewById(R.id.subscribe_peers_button);
        subscribeToPeersButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                final ArrayAdapter<Peer> arrayAdapter = new ArrayAdapter<Peer>(getActivity().getApplicationContext(), android.R.layout.simple_list_item_1);
                ListView listView = (ListView) getActivity().findViewById(R.id.peer_list);
                listView.setAdapter(arrayAdapter);
                peerListAcquisitionListener = new PeerListAcquisitionListener() {
                    @Override
                    public void onPeerListAcquisitionSuccess(List<Peer> peers) {
                        View label = getActivity().findViewById(R.id.peer_list_label);
                        arrayAdapter.clear();
                        if (peers.size() > 0) {
                            arrayAdapter.addAll(peers);
                            label.setVisibility(View.VISIBLE);
                        } else {
                            label.setVisibility(View.INVISIBLE);
                        }
                        arrayAdapter.notifyDataSetChanged();
                    }
                };
                wifiDLite.subscribe(peerListAcquisitionListener);
                subscribeToPeersButton.setEnabled(false);
            }
        });

        ListView listView = (ListView) rootView.findViewById(R.id.peer_list);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Peer peer = (Peer) parent.getItemAtPosition(position);
                peer.connect(new PeerConnectionListener() {
                    @Override
                    public void onPeerConnectionSuccess(Peer peer) {
                        Toast t = Toast.makeText(getActivity().getApplicationContext(),
                                String.format("%s has been invited to connect",
                                        peer.getWifiP2pDevice().deviceName),
                                Toast.LENGTH_LONG);
                        t.show();
                    }

                    @Override
                    public void onPeerConnectionFailure(int reasonCode) {
                        Util.logP2pStatus(TAG, "peer connection failed", reasonCode);
                        Toast t = Toast.makeText(getActivity().getApplicationContext(),
                                String.format("Connection attempt failed. P2P Status: %s",
                                        Util.getP2pStatus(reasonCode)),
                                Toast.LENGTH_LONG);
                        t.show();
                    }
                });

            }
        });

        return rootView;
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (wifiDLite != null) {
            wifiDLite.unsubscribe(peerListAcquisitionListener);
            wifiDLite = null;
        }
    }


}
Java Source Code List
