fixed file rename bug

README.md

@@ -31,6 +31,7 @@ Add these to AndroidManifest.xml
 
 <!-- Optional: only required for FILE payloads-->
 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 ```
 Since ACCESS_FINE_LOCATION and READ_EXTERNAL_STORAGE is considered to be dangerous system permissions, in addition to adding them to your manifest, you must request these permissions at runtime.
 

android/src/main/java/com/pkmnapps/nearby_connections/NearbyConnectionsPlugin.java

@@ -62,21 +62,36 @@ public class NearbyConnectionsPlugin implements MethodCallHandler {
     public void onMethodCall(MethodCall call, final Result result) {
 
         switch (call.method) {
-            case "checkPermissions":
+            case "checkLocationPermission":
                 if (ContextCompat.checkSelfPermission(activity, Manifest.permission.ACCESS_FINE_LOCATION)
-                        != PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(activity, Manifest.permission.ACCESS_COARSE_LOCATION)
+                        == PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(activity, Manifest.permission.ACCESS_COARSE_LOCATION)
-                        != PackageManager.PERMISSION_GRANTED) {
+                        == PackageManager.PERMISSION_GRANTED) {
-                    result.success(false);
-                } else {
                     result.success(true);
+                } else {
+                    result.success(false);
                 }
                 break;
-            case "askPermissions":
+            case "askLocationPermission":
                 ActivityCompat.requestPermissions(activity,
                         new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION},
                         0);
                 result.success(null);
                 break;
+            case "checkExternalStoragePermission":
+                if (ContextCompat.checkSelfPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE)
+                        == PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                        == PackageManager.PERMISSION_GRANTED) {
+                    result.success(true);
+                } else {
+                    result.success(false);
+                }
+                break;
+            case "askExternalStoragePermission":
+                ActivityCompat.requestPermissions(activity,
+                        new String[]{Manifest.permission.READ_EXTERNAL_STORAGE,Manifest.permission.WRITE_EXTERNAL_STORAGE},
+                        0);
+                result.success(null);
+                break;
             case "stopAdvertising":
                 Log.d("nearby_connections", "stopAdvertising");
                 Nearby.getConnectionsClient(activity).stopAdvertising();
@@ -358,7 +373,7 @@ public class NearbyConnectionsPlugin implements MethodCallHandler {
                 assert bytes != null;
                 args.put("bytes", bytes);
             }
-            else if (payload.getType() == Payload.Type.BYTES) {
+            else if (payload.getType() == Payload.Type.FILE) {
                 args.put("filePath", payload.asFile().asJavaFile().getAbsolutePath());
             }
 

example/android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,9 @@
 <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
 <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
+<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
          In most cases you can leave this as-is, but you if you want to provide

example/lib/main.dart

@@ -33,7 +33,7 @@ class Body extends StatefulWidget {
 }
 
 class _MyBodyState extends State<Body> {
-  final String userName = Random().nextInt(1000).toString();
+  final String userName = Random().nextInt(10000).toString();
   final Strategy strategy = Strategy.P2P_STAR;
   String cId = "0"; //currently connected device ID
   File tempFile; //stores the file being transferred
@@ -42,14 +42,17 @@ class _MyBodyState extends State<Body> {
   @override
   Widget build(BuildContext context) {
     return Center(
-      child: Column(
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: ListView(
           children: <Widget>[
+            Text("Permissions",),
             Wrap(
               children: <Widget>[
                 RaisedButton(
-                child: Text("checkPermission"),
+                  child: Text("checkLocationPermission"),
                   onPressed: () async {
-                  if (await Nearby().checkPermissions()) {
+                    if (await Nearby().checkLocationPermission()) {
                       Scaffold.of(context).showSnackBar(SnackBar(
                           content: Text("Location permissions granted :)")));
                     } else {
@@ -59,13 +62,34 @@ class _MyBodyState extends State<Body> {
                   },
                 ),
                 RaisedButton(
-                child: Text("askPermission"),
+                  child: Text("askLocationPermission"),
+                  onPressed: () async {
+                    await Nearby().askLocationPermission();
+                  },
+                ),
+                RaisedButton(
+                  child: Text("checkExternalStoragePermission"),
+                  onPressed: () async {
+                    if (await Nearby().checkExternalStoragePermission()) {
+                      Scaffold.of(context).showSnackBar(SnackBar(
+                          content:
+                              Text("External Storage permissions granted :)")));
+                    } else {
+                      Scaffold.of(context).showSnackBar(SnackBar(
+                          content: Text(
+                              "External Storage permissions not granted :(")));
+                    }
+                  },
+                ),
+                RaisedButton(
+                  child: Text("askExternalStoragePermission"),
                   onPressed: () async {
-                  await Nearby().askPermission();
+                    await Nearby().askExternalStoragePermission();
                   },
                 ),
               ],
             ),
+            Divider(),
             Text("User Name: " + userName),
             Wrap(
               children: <Widget>[
@@ -169,6 +193,8 @@ class _MyBodyState extends State<Body> {
                 await Nearby().stopAllEndpoints();
               },
             ),
+            Divider(),
+            Text("Sending Data",),
             RaisedButton(
               child: Text("Send Random Bytes Payload"),
               onPressed: () async {
@@ -195,6 +221,7 @@ class _MyBodyState extends State<Body> {
             ),
           ],
         ),
+      ),
     );
   }
 
@@ -261,10 +288,8 @@ class _MyBodyState extends State<Body> {
                         showSnackbar(endid + ": FAILED to transfer file");
                       } else if (payloadTransferUpdate.status ==
                           PayloadStatus.SUCCESS) {
-                        print(
+                        showSnackbar(
                             "success, total bytes = ${payloadTransferUpdate.totalBytes}");
-                        showSnackbar(endid +
-                            ": SUCCESS in file transfer (file is un-named in downloads) ");
                         
                         if (map.containsKey(payloadTransferUpdate.id)) {
                           //rename the file now

lib/src/nearby_connections.dart

@@ -149,15 +149,29 @@ class Nearby {
   ///
   /// retruns true/false based on location permissions.
   /// Discovery cannot be started with insufficient permission
-  Future<bool> checkPermissions() async => await _channel.invokeMethod(
+  Future<bool> checkLocationPermission() async => await _channel.invokeMethod(
-        'checkPermissions',
+        'checkLocationPermission',
       );
 
   /// Convinience method
   ///
   /// Asks location permission
-  Future<void> askPermission() async => await _channel.invokeMethod(
+  Future<void> askLocationPermission() async => await _channel.invokeMethod(
-        'askPermissions',
+        'askLocationPermission',
+      );
+  
+  /// Convinience method
+  ///
+  /// retruns true/false based on external storage permissions.
+  Future<bool> checkExternalStoragePermission() async => await _channel.invokeMethod(
+        'checkExternalStoragePermission',
+      );
+
+  /// Convinience method
+  ///
+  /// Asks external storage permission, required for file
+  Future<void> askExternalStoragePermission() async => await _channel.invokeMethod(
+        'askExternalStoragePermission',
       );
 
   /// Start Advertising