Loc-Chain/nearby_connections
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setup for file,(untested)

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This commit is contained in:
Prerak Mann 2019-08-08 14:27:10 +05:30
parent c44a1e0996
commit 146d76bc9f
3 changed files with 103 additions and 11 deletions
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43
android/src/main/java/com/pkmnapps/nearby_connections/NearbyConnectionsPlugin.java
View File

@ -3,6 +3,8 @@ package com.pkmnapps.nearby_connections;
import android.Manifest; import android.Manifest;
import android.app.Activity; import android.app.Activity;
import android.content.pm.PackageManager; import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.support.annotation.NonNull; import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat; import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat; import android.support.v4.content.ContextCompat;
@ -23,6 +25,8 @@ import com.google.android.gms.nearby.connection.Strategy;
import com.google.android.gms.tasks.OnFailureListener; import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener; import com.google.android.gms.tasks.OnSuccessListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
@ -221,6 +225,27 @@ public class NearbyConnectionsPlugin implements MethodCallHandler {
result.success(true); result.success(true);
break; break;
} }
case "sendFilePayload": {
String endpointId = (String) call.argument("endpointId");
String filePath = (String) call.argument("filePath");
assert endpointId != null;
assert filePath != null;
try {
File file = new File(filePath);
Payload filePayload = Payload.fromFile(file);
Nearby.getConnectionsClient(activity).sendPayload(endpointId, filePayload);
Log.d("NearbyCon java", "sentFilePayload");
result.success(filePayload.getId()); //return payload id to dart
} catch (FileNotFoundException e) {
Log.e("NearbyCon java", "File not found", e);
result.error("Failure", "File Not found", null);
return;
}
break;
}
default: default:
result.notImplemented(); result.notImplemented();
} }
@ -326,15 +351,31 @@ public class NearbyConnectionsPlugin implements MethodCallHandler {
Log.d("NearbyCon java", "onPayloadReceived"); Log.d("NearbyCon java", "onPayloadReceived");
Map<String, Object> args = new HashMap<>(); Map<String, Object> args = new HashMap<>();
args.put("endpointId", endpointId); args.put("endpointId", endpointId);
args.put("payloadId", payload.getId());
args.put("type", payload.getType());
if (payload.getType() == Payload.Type.BYTES) {
byte[] bytes = payload.asBytes(); byte[] bytes = payload.asBytes();
assert bytes != null; assert bytes != null;
args.put("bytes", bytes); args.put("bytes", bytes);
}
channel.invokeMethod("onPayloadReceived", args); channel.invokeMethod("onPayloadReceived", args);
} }
@Override @Override
public void onPayloadTransferUpdate(@NonNull String s, @NonNull PayloadTransferUpdate payloadTransferUpdate) { public void onPayloadTransferUpdate(@NonNull String endpointId, @NonNull PayloadTransferUpdate payloadTransferUpdate) {
//required for files and streams //required for files and streams
Log.d("NearbyCon java", "onPayloadTransferUpdate");
Map<String, Object> args = new HashMap<>();
args.put("endpointId", endpointId);
args.put("payloadId", payloadTransferUpdate.getPayloadId());
args.put("status", payloadTransferUpdate.getStatus());
args.put("bytesTransferred", payloadTransferUpdate.getBytesTransferred());
args.put("totalBytes", payloadTransferUpdate.getTotalBytes());
channel.invokeMethod("onPayloadTransferUpdate", args);
} }
}; };

2
example/lib/main.dart
View File

@ -190,7 +190,7 @@ class _MyBodyState extends State<Body> {
cId = id; cId = id;
Nearby().acceptConnection( Nearby().acceptConnection(
id, id,
onPayLoadRecieved: (endid, bytes) { onPayLoadRecieved: (endid, bytes, payloadType) {
showSnackbar(endid + ": " + String.fromCharCodes(bytes)); showSnackbar(endid + ": " + String.fromCharCodes(bytes));
}, },
); );

59
lib/nearby_connections.dart
View File

@ -11,7 +11,8 @@ import 'package:flutter/services.dart';
/// **P2P_POINT_TO_POINT** - single connection, very high bandwidth /// **P2P_POINT_TO_POINT** - single connection, very high bandwidth
enum Strategy { P2P_CLUSTER, P2P_STAR, P2P_POINT_TO_POINT } enum Strategy { P2P_CLUSTER, P2P_STAR, P2P_POINT_TO_POINT }
enum Status { CONNECTED, REJECTED, ERROR } enum Status { CONNECTED, REJECTED, ERROR }
enum PayloadStatus { NONE, SUCCESS, FAILURE, IN_PROGRRESS, CANCELED }
enum PayloadType { NONE, BYTES, FILES, STREAM }
typedef void OnConnctionInitiated( typedef void OnConnctionInitiated(
String endpointId, ConnectionInfo connectionInfo); String endpointId, ConnectionInfo connectionInfo);
typedef void OnConnectionResult(String endpointId, Status status); typedef void OnConnectionResult(String endpointId, Status status);
@ -21,7 +22,22 @@ typedef void OnEndpointFound(
String endpointId, String endpointName, String serviceId); String endpointId, String endpointName, String serviceId);
typedef void OnEndpointLost(String endpointId); typedef void OnEndpointLost(String endpointId);
typedef void OnPayloadReceived(String endpointId, Uint8List bytes); /// For Bytes, this contains the bytes dala
///
/// For File, this marks the start of transfer
///
/// Uint8List bytes may be null, if [payloadType] is not [PayloadType.BYTES]
typedef void OnPayloadReceived(
String endpointId, Uint8List bytes, PayloadType payloadType);
/// Called only once for Bytes and repeatedly for File until transfer is complete
typedef void OnPayloadTransferUpdate(
{String endpointId,
int payloadId,
PayloadStatus payloadStatus,
int bytesTransferred,
int totalBytes});
// typedef void OnPayloadTransferUpdate(); // typedef void OnPayloadTransferUpdate();
/// The NearbyConnection class /// The NearbyConnection class
/// ///
@ -120,10 +136,26 @@ class Nearby {
return null; return null;
case "onPayloadReceived": case "onPayloadReceived":
String endpointId = args['endpointId']; String endpointId = args['endpointId'];
int type = args['type'];
Uint8List bytes = args['bytes']; Uint8List bytes = args['bytes'];
_onPayloadReceived?.call(endpointId, bytes); _onPayloadReceived?.call(endpointId, bytes, PayloadType.values[type]);
break;
case "onPayloadTransferUpdate":
String endpointId = args['endpointId'];
int payloadId = args['payloadId'];
int success = args['success'];
int bytesTransferred = args['bytesTransferred'];
int totalBytes = args['totalBytes'];
_onPayloadTransferUpdate?.call(
endpointId: endpointId,
payloadId: payloadId,
payloadStatus: PayloadStatus.values[success],
bytesTransferred: bytesTransferred,
totalBytes: totalBytes,
);
break; break;
} }
return null; return null;
@ -138,6 +170,7 @@ class Nearby {
OnEndpointLost _onEndpointLost; OnEndpointLost _onEndpointLost;
OnPayloadReceived _onPayloadReceived; OnPayloadReceived _onPayloadReceived;
OnPayloadTransferUpdate _onPayloadTransferUpdate;
static const MethodChannel _channel = static const MethodChannel _channel =
const MethodChannel('nearby_connections'); const MethodChannel('nearby_connections');
@ -281,9 +314,10 @@ class Nearby {
Future<bool> acceptConnection( Future<bool> acceptConnection(
String endpointId, { String endpointId, {
@required OnPayloadReceived onPayLoadRecieved, @required OnPayloadReceived onPayLoadRecieved,
OnPayloadTransferUpdate onPayloadTransferUpdate,
}) async { }) async {
this._onPayloadReceived = onPayLoadRecieved; this._onPayloadReceived = onPayLoadRecieved;
this._onPayloadTransferUpdate = onPayloadTransferUpdate;
return await _channel.invokeMethod( return await _channel.invokeMethod(
'acceptConnection', 'acceptConnection',
<String, dynamic>{ <String, dynamic>{
@ -327,6 +361,23 @@ class Nearby {
}, },
); );
} }
/// Returns the payloadID as soon as file transfer has begun
///
/// File is received in DOWNLOADS_DIRECTORY and is given a generic name
/// without extension
/// You must also send a bytes payload to send the filename and extension
/// so that receiver can rename the file accordingly
/// Send the payloadID and filename to receiver as bytes payload
Future<int> sendFilePayload(String endpointId, String filePath) async {
return await _channel.invokeMethod(
'sendFilePayload',
<String, dynamic>{
'endpointId': endpointId,
'filePath': filePath,
},
);
}
} }
/// ConnectionInfo class /// ConnectionInfo class