org.distantshoresmedia.wifiDirect.DeviceListFragment.java Source code

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Here is the source code for org.distantshoresmedia.wifiDirect.DeviceListFragment.java

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/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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 org.distantshoresmedia.wifiDirect;

import android.annotation.TargetApi;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.net.wifi.p2p.WifiP2pConfig;
import android.net.wifi.p2p.WifiP2pDevice;
import android.net.wifi.p2p.WifiP2pDeviceList;
import android.net.wifi.p2p.WifiP2pManager.PeerListListener;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.TextView;

import org.distantshoresmedia.translationkeyboard20.R;

import java.util.ArrayList;
import java.util.List;

/**
 * A ListFragment that displays available peers on discovery and requests the
 * parent activity to handle user interaction events
 */
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class DeviceListFragment extends ListFragment implements PeerListListener {

    private List<WifiP2pDevice> peers = new ArrayList<WifiP2pDevice>();
    private ProgressDialog progressDialog = null;
    private View mContentView = null;
    private WifiP2pDevice device;

    private WiFiPeerListAdapter listAdapter;

    private TextView nameTextView;
    private TextView statusTextView;

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        this.setListAdapter(new WiFiPeerListAdapter(getActivity(), R.layout.row_devices, peers));
    }

    public void setListAdapter(WiFiPeerListAdapter adapter) {
        super.setListAdapter(adapter);
        this.listAdapter = adapter;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mContentView = inflater.inflate(R.layout.wifi_device_list, null);
        setupViews();
        return mContentView;
    }

    /**
     * @return this device
     */
    public WifiP2pDevice getDevice() {
        return device;
    }

    private void setupViews() {

        nameTextView = (TextView) mContentView.findViewById(R.id.my_name);
        statusTextView = (TextView) mContentView.findViewById(R.id.my_status);
    }

    /**
     * Initiate a connection with the peer.
     */
    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        WifiP2pDevice device = (WifiP2pDevice) getListAdapter().getItem(position);
        ((DeviceActionListener) getActivity()).showDetails(device);
    }

    /**
     * Update UI for this device.
     * 
     * @param device WifiP2pDevice object
     */
    public void updateThisDevice(WifiP2pDevice device) {

        this.device = device;
        nameTextView.setText(device.deviceName);
        statusTextView.setText(WiFiPeerListAdapter.getDeviceStatus(device.status));
    }

    @Override
    public void onPeersAvailable(WifiP2pDeviceList peerList) {

        if (progressDialog != null && progressDialog.isShowing()) {
            progressDialog.dismiss();
        }
        peers.clear();
        peers.addAll(peerList.getDeviceList());
        listAdapter.notifyDataSetChanged();
        if (peers.size() == 0) {
            Log.d(WiFiDirectActivity.TAG, "No devices found");
            return;
        }

    }

    public void clearPeers() {
        peers.clear();
        listAdapter.notifyDataSetChanged();
    }

    /**
     * 
     */
    public void onInitiateDiscovery() {
        if (progressDialog != null && progressDialog.isShowing()) {
            progressDialog.dismiss();
        }
        progressDialog = ProgressDialog.show(getActivity(), "Press back to cancel", "finding peers", true, true,
                new DialogInterface.OnCancelListener() {

                    @Override
                    public void onCancel(DialogInterface dialog) {
                    }
                });
    }

    public void cancelDiscovery() {
        if (progressDialog != null && progressDialog.isShowing()) {
            progressDialog.dismiss();
        }
    }

    /**
     * An interface-callback for the activity to listen to fragment interaction
     * events.
     */
    public interface DeviceActionListener {

        void showDetails(WifiP2pDevice device);

        void cancelDisconnect();

        void connect(WifiP2pConfig config);

        void disconnect();
    }

}