WiFi-Direct-File-Transfer-App

WiFi Direct File Transfer is a experimental app that will allow sharing of data between Android devices running Android 4.0 or higher using a WiFi direct connection without the use of a WiFi access point. This will enable data transfer between devices without relying on any existing network infrastructure

Currently available on the Play store.

WARNING

This app is currently in beta so functionality subject to change.

Dependencies

This application is library independent

Installation an Usage

Just build it and install it to your device :-)

WARNING: The application does not work in the emulator, because the emulator does not have the method WifiP2pManager.initialize()

Requirements

AndroidStudio

Results

WiFi Direct File Transfer works with good performances.
The main problems are the "Discovery Phase" of this protocol and the Wi-Fi Direct's implementation in Android, in fact:

The discovery time is too high when the number of devices increases
After a certain time, a device is no longer discoverable from others, so you need to restart the Discovery Phase on all devices

This shows that it's possible to extend the Wi-Fi Direct protocol in Android in some particular and limited scenarios, for example a transfer files.

News

09/04/2018 - WiFi Direct File Transfer Beta 1 public release
23/08/2018 - WiFi Direct File Transfer Beta 2 public release

Features

You can:

show a list of nearby devices
manage connection and disconnection between devices
send message to dives ho are connected to you for check this device in peers list (not available in Android's official API)
sending multiple files on both of two devices
see what are you send/receive without disconnection, and open received files (just tap)
auto restarting servers of receiving files and device info

Future extensions

Multiple files transfer
Progress bar in receive file
Who connected to your device check it in peer list
Fix corrupted files on specific devices (in fileServerAsyncTask)
Change path to receive
Change device name
Change transfer data between device, I mean read/write file by chunks
Connect more clients (now only possible between 2 devices)
and so on... ;)

Images

Usage

General usage

Activate Wi-Fi on all devices
Open this app on all devices
App will auto discovering peers
Сhoose the device from peers list for connect
Wait until device are connecting
App will auto open file chooser
Choose the files what are you want to send

Troubles

If you have a troubles with connection to peer:

try to reconnect, if reconnection are successful, it will auto open file chooser
if you have another issue just restart an app and wait about 1 min (recall it's beta app)
if you have some troubles which are not described here, please open an issue or send email to [email protected]

License

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.

**Created by Dmitry Marinin**

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