WiFiDirectDemo
Change-Id: I9ea5020a39f02fd2ba4934397fa9a2ea79f781b4
This commit is contained in:
Anirudh Dewani
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.wifidirect;
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import android.app.Fragment;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.net.Uri;
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import android.net.wifi.WpsInfo;
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import android.net.wifi.p2p.WifiP2pConfig;
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import android.net.wifi.p2p.WifiP2pDevice;
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import android.net.wifi.p2p.WifiP2pInfo;
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import android.net.wifi.p2p.WifiP2pManager.ConnectionInfoListener;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.os.Environment;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import com.example.android.wifidirect.DeviceListFragment.DeviceActionListener;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.ServerSocket;
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import java.net.Socket;
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/**
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* A fragment that manages a particular peer and allows interaction with device
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* i.e. setting up network connection and transferring data.
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*/
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public class DeviceDetailFragment extends Fragment implements ConnectionInfoListener {
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protected static final int CHOOSE_FILE_RESULT_CODE = 20;
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private View mContentView = null;
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private WifiP2pDevice device;
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private WifiP2pInfo info;
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ProgressDialog progressDialog = null;
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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mContentView = inflater.inflate(R.layout.device_detail, null);
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mContentView.findViewById(R.id.btn_connect).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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WifiP2pConfig config = new WifiP2pConfig();
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config.deviceAddress = device.deviceAddress;
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config.wps.setup = WpsInfo.PBC;
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if (progressDialog != null && progressDialog.isShowing()) {
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progressDialog.dismiss();
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}
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progressDialog = ProgressDialog.show(getActivity(), "Press back to cancel",
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"Connecting to :" + device.deviceAddress, true, true
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// new DialogInterface.OnCancelListener() {
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//
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// @Override
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// public void onCancel(DialogInterface dialog) {
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// ((DeviceActionListener) getActivity()).cancelDisconnect();
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// }
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// }
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);
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((DeviceActionListener) getActivity()).connect(config);
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}
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});
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mContentView.findViewById(R.id.btn_disconnect).setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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((DeviceActionListener) getActivity()).disconnect();
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}
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});
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mContentView.findViewById(R.id.btn_start_client).setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// Allow user to pick an image from Gallery or other
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// registered apps
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Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
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intent.setType("image/*");
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startActivityForResult(intent, CHOOSE_FILE_RESULT_CODE);
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}
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});
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return mContentView;
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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// User has picked an image. Transfer it to group owner i.e peer using
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// FileTransferService.
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Uri uri = data.getData();
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TextView statusText = (TextView) mContentView.findViewById(R.id.status_text);
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statusText.setText("Sending: " + uri);
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Log.d(WiFiDirectActivity.TAG, "Intent----------- " + uri);
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Intent serviceIntent = new Intent(getActivity(), FileTransferService.class);
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serviceIntent.setAction(FileTransferService.ACTION_SEND_FILE);
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serviceIntent.putExtra(FileTransferService.EXTRAS_FILE_PATH, uri.toString());
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serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_ADDRESS,
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info.groupOwnerAddress.getHostAddress());
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serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_PORT, 8988);
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getActivity().startService(serviceIntent);
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}
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@Override
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public void onConnectionInfoAvailable(final WifiP2pInfo info) {
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if (progressDialog != null && progressDialog.isShowing()) {
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progressDialog.dismiss();
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}
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this.info = info;
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this.getView().setVisibility(View.VISIBLE);
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// The owner IP is now known.
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TextView view = (TextView) mContentView.findViewById(R.id.group_owner);
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view.setText(getResources().getString(R.string.group_owner_text)
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+ ((info.isGroupOwner == true) ? getResources().getString(R.string.yes)
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: getResources().getString(R.string.no)));
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// InetAddress from WifiP2pInfo struct.
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view = (TextView) mContentView.findViewById(R.id.device_info);
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view.setText("Group Owner IP - " + info.groupOwnerAddress.getHostAddress());
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// After the group negotiation, we assign the group owner as the file
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// server. The file server is single threaded, single connection server
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// socket.
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if (info.groupFormed && info.isGroupOwner) {
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new FileServerAsyncTask(getActivity(), mContentView.findViewById(R.id.status_text))
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.execute();
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} else if (info.groupFormed) {
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// The other device acts as the client. In this case, we enable the
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// get file button.
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mContentView.findViewById(R.id.btn_start_client).setVisibility(View.VISIBLE);
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((TextView) mContentView.findViewById(R.id.status_text)).setText(getResources()
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.getString(R.string.client_text));
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}
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// hide the connect button
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mContentView.findViewById(R.id.btn_connect).setVisibility(View.GONE);
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}
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/**
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* Updates the UI with device data
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*
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* @param device the device to be displayed
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*/
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public void showDetails(WifiP2pDevice device) {
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this.device = device;
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this.getView().setVisibility(View.VISIBLE);
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TextView view = (TextView) mContentView.findViewById(R.id.device_address);
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view.setText(device.deviceAddress);
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view = (TextView) mContentView.findViewById(R.id.device_info);
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view.setText(device.toString());
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}
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/**
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* Clears the UI fields after a disconnect or direct mode disable operation.
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*/
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public void resetViews() {
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mContentView.findViewById(R.id.btn_connect).setVisibility(View.VISIBLE);
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TextView view = (TextView) mContentView.findViewById(R.id.device_address);
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view.setText(R.string.empty);
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view = (TextView) mContentView.findViewById(R.id.device_info);
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view.setText(R.string.empty);
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view = (TextView) mContentView.findViewById(R.id.group_owner);
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view.setText(R.string.empty);
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view = (TextView) mContentView.findViewById(R.id.status_text);
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view.setText(R.string.empty);
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mContentView.findViewById(R.id.btn_start_client).setVisibility(View.GONE);
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this.getView().setVisibility(View.GONE);
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}
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/**
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* A simple server socket that accepts connection and writes some data on
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* the stream.
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*/
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public static class FileServerAsyncTask extends AsyncTask<Void, Void, String> {
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private Context context;
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private TextView statusText;
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/**
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* @param context
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* @param statusText
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*/
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public FileServerAsyncTask(Context context, View statusText) {
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this.context = context;
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this.statusText = (TextView) statusText;
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}
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@Override
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protected String doInBackground(Void... params) {
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try {
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ServerSocket serverSocket = new ServerSocket(8988);
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Log.d(WiFiDirectActivity.TAG, "Server: Socket opened");
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Socket client = serverSocket.accept();
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Log.d(WiFiDirectActivity.TAG, "Server: connection done");
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final File f = new File(Environment.getExternalStorageDirectory() + "/"
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+ context.getPackageName() + "/wifip2pshared-" + System.currentTimeMillis()
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+ ".jpg");
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File dirs = new File(f.getParent());
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if (!dirs.exists())
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dirs.mkdirs();
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f.createNewFile();
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Log.d(WiFiDirectActivity.TAG, "server: copying files " + f.toString());
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InputStream inputstream = client.getInputStream();
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copyFile(inputstream, new FileOutputStream(f));
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serverSocket.close();
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return f.getAbsolutePath();
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} catch (IOException e) {
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Log.e(WiFiDirectActivity.TAG, e.getMessage());
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return null;
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}
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}
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/*
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* (non-Javadoc)
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* @see android.os.AsyncTask#onPostExecute(java.lang.Object)
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*/
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@Override
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protected void onPostExecute(String result) {
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if (result != null) {
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statusText.setText("File copied - " + result);
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Intent intent = new Intent();
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intent.setAction(android.content.Intent.ACTION_VIEW);
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intent.setDataAndType(Uri.parse("file://" + result), "image/*");
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context.startActivity(intent);
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}
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}
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/*
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* (non-Javadoc)
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* @see android.os.AsyncTask#onPreExecute()
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*/
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@Override
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protected void onPreExecute() {
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statusText.setText("Opening a server socket");
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}
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}
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public static boolean copyFile(InputStream inputStream, OutputStream out) {
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byte buf[] = new byte[1024];
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int len;
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try {
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while ((len = inputStream.read(buf)) != -1) {
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out.write(buf, 0, len);
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}
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out.close();
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inputStream.close();
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} catch (IOException e) {
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Log.d(WiFiDirectActivity.TAG, e.toString());
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return false;
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}
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return true;
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}
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}
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