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The source code is released under:
MIT License
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/* * Copyright (C) 2011 The Android Open Source Project *//from www .j ava2 s . c o 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.example.android.wifidirect; import android.app.Fragment; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.net.wifi.WpsInfo; import android.net.wifi.p2p.WifiP2pConfig; import android.net.wifi.p2p.WifiP2pDevice; import android.net.wifi.p2p.WifiP2pGroup; import android.net.wifi.p2p.WifiP2pInfo; import android.net.wifi.p2p.WifiP2pManager.ConnectionInfoListener; import android.net.wifi.p2p.WifiP2pManager.GroupInfoListener; import android.os.AsyncTask; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import com.example.android.wifidirect.DeviceListFragment.DeviceActionListener; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; /** * A fragment that manages a particular peer and allows interaction with device * i.e. setting up network connection and transferring data. */ public class DeviceDetailFragment extends Fragment implements ConnectionInfoListener, GroupInfoListener { protected static final int CHOOSE_FILE_RESULT_CODE = 20; private View mContentView = null; private WifiP2pDevice device; private WifiP2pInfo info; ProgressDialog progressDialog = null; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mContentView = inflater.inflate(R.layout.device_detail, null); mContentView.findViewById(R.id.btn_connect).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { WifiP2pConfig config = new WifiP2pConfig(); config.deviceAddress = device.deviceAddress; config.wps.setup = WpsInfo.PBC; if (progressDialog != null && progressDialog.isShowing()) { progressDialog.dismiss(); } progressDialog = ProgressDialog.show(getActivity(), "Press back to cancel", "Connecting to :" + device.deviceAddress, true, true // new DialogInterface.OnCancelListener() { // // @Override // public void onCancel(DialogInterface dialog) { // ((DeviceActionListener) getActivity()).cancelDisconnect(); // } // } ); ((DeviceActionListener) getActivity()).connect(config); } }); mContentView.findViewById(R.id.btn_disconnect).setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { ((DeviceActionListener) getActivity()).disconnect(); } }); mContentView.findViewById(R.id.btn_start_client).setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { // Allow user to pick an image from Gallery or other // registered apps Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("image/*"); startActivityForResult(intent, CHOOSE_FILE_RESULT_CODE); } }); return mContentView; } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { // User has picked an image. Transfer it to group owner i.e peer using // FileTransferService. Uri uri = data.getData(); TextView statusText = (TextView) mContentView.findViewById(R.id.status_text); statusText.setText("Sending: " + uri); Log.d(WiFiDirectActivity.TAG, "Intent----------- " + uri); Intent serviceIntent = new Intent(getActivity(), FileTransferService.class); serviceIntent.setAction(FileTransferService.ACTION_SEND_FILE); serviceIntent.putExtra(FileTransferService.EXTRAS_FILE_PATH, uri.toString()); serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_ADDRESS, info.groupOwnerAddress.getHostAddress()); serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_PORT, 8988); getActivity().startService(serviceIntent); } @Override public void onConnectionInfoAvailable(final WifiP2pInfo info) { if (progressDialog != null && progressDialog.isShowing()) { progressDialog.dismiss(); } Log.d(WiFiDirectActivity.TAG, "onConnectionInfoAvailable - " + info); if (!info.groupFormed) { return; } this.info = info; this.getView().setVisibility(View.VISIBLE); // The owner IP is now known. TextView view = (TextView) mContentView.findViewById(R.id.group_owner); view.setText(getResources().getString(R.string.group_owner_text) + ((info.isGroupOwner == true) ? getResources().getString(R.string.yes) : getResources().getString(R.string.no))); // InetAddress from WifiP2pInfo struct. view = (TextView) mContentView.findViewById(R.id.device_info); view.setText("Group Owner IP - " + info.groupOwnerAddress.getHostAddress()); // After the group negotiation, we assign the group owner as the file // server. The file server is single threaded, single connection server // socket. if (info.groupFormed && info.isGroupOwner) { new FileServerAsyncTask(getActivity(), mContentView.findViewById(R.id.status_text)) .execute(); } else if (info.groupFormed) { // The other device acts as the client. In this case, we enable the // get file button. mContentView.findViewById(R.id.btn_start_client).setVisibility(View.VISIBLE); ((TextView) mContentView.findViewById(R.id.status_text)).setText(getResources() .getString(R.string.client_text)); } // hide the connect button mContentView.findViewById(R.id.btn_connect).setVisibility(View.GONE); } @Override public void onGroupInfoAvailable(WifiP2pGroup group) { if (group != null) { Log.d(WiFiDirectActivity.TAG, "onGroupInfoAvailable - " + group.getNetworkName()); Log.d(WiFiDirectActivity.TAG, "onGroupInfoAvailable - " + group.getPassphrase()); TextView view = (TextView) mContentView.findViewById(R.id.group_ip); view.setText(group.getNetworkName() + " - " + group.getPassphrase()); for (WifiP2pDevice device : group.getClientList()) { Log.d(WiFiDirectActivity.TAG, "group.getClientList() - " + device); } } } /** * Updates the UI with device data * * @param device the device to be displayed */ public void showDetails(WifiP2pDevice device) { this.device = device; this.getView().setVisibility(View.VISIBLE); TextView view = (TextView) mContentView.findViewById(R.id.device_address); view.setText(device.deviceAddress); view = (TextView) mContentView.findViewById(R.id.device_info); view.setText(device.toString()); } /** * Clears the UI fields after a disconnect or direct mode disable operation. */ public void resetViews() { mContentView.findViewById(R.id.btn_connect).setVisibility(View.VISIBLE); TextView view = (TextView) mContentView.findViewById(R.id.device_address); view.setText(R.string.empty); view = (TextView) mContentView.findViewById(R.id.device_info); view.setText(R.string.empty); view = (TextView) mContentView.findViewById(R.id.group_owner); view.setText(R.string.empty); view = (TextView) mContentView.findViewById(R.id.status_text); view.setText(R.string.empty); mContentView.findViewById(R.id.btn_start_client).setVisibility(View.GONE); this.getView().setVisibility(View.GONE); } /** * A simple server socket that accepts connection and writes some data on * the stream. */ public static class FileServerAsyncTask extends AsyncTask<Void, Void, String> { private Context context; private TextView statusText; /** * @param context * @param statusText */ public FileServerAsyncTask(Context context, View statusText) { this.context = context; this.statusText = (TextView) statusText; } @Override protected String doInBackground(Void... params) { try { ServerSocket serverSocket = new ServerSocket(8988); Log.d(WiFiDirectActivity.TAG, "Server: Socket opened"); Socket client = serverSocket.accept(); Log.d(WiFiDirectActivity.TAG, "Server: connection done"); final File f = new File(Environment.getExternalStorageDirectory() + "/" + context.getPackageName() + "/wifip2pshared-" + System.currentTimeMillis() + ".jpg"); File dirs = new File(f.getParent()); if (!dirs.exists()) dirs.mkdirs(); f.createNewFile(); Log.d(WiFiDirectActivity.TAG, "server: copying files " + f.toString()); InputStream inputstream = client.getInputStream(); copyFile(inputstream, new FileOutputStream(f)); serverSocket.close(); return f.getAbsolutePath(); } catch (IOException e) { Log.e(WiFiDirectActivity.TAG, e.getMessage()); return null; } } /* * (non-Javadoc) * @see android.os.AsyncTask#onPostExecute(java.lang.Object) */ @Override protected void onPostExecute(String result) { if (result != null) { statusText.setText("File copied - " + result); Intent intent = new Intent(); intent.setAction(android.content.Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse("file://" + result), "image/*"); context.startActivity(intent); } } /* * (non-Javadoc) * @see android.os.AsyncTask#onPreExecute() */ @Override protected void onPreExecute() { statusText.setText("Opening a server socket"); } } public static boolean copyFile(InputStream inputStream, OutputStream out) { byte buf[] = new byte[1024]; int len; try { while ((len = inputStream.read(buf)) != -1) { out.write(buf, 0, len); } out.close(); inputStream.close(); } catch (IOException e) { Log.d(WiFiDirectActivity.TAG, e.toString()); return false; } return true; } }