timeoutexception, NullPointerException, Sparse on null object reference

ujjwalmaity · Sep 21, 2021 · 3f9bfdd · 3f9bfdd
1 parent 7c7a86c
commit 3f9bfdd
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Showing 3 changed files with 11 additions and 4 deletions.
diff --git a/android/src/main/java/com/pauldemarco/flutter_blue/FlutterBluePlugin.java b/android/src/main/java/com/pauldemarco/flutter_blue/FlutterBluePlugin.java
@@ -999,7 +999,10 @@ private void invokeMethodUIThread(final String name, final byte[] byteArray)
                 new Runnable() {
                     @Override
                     public void run() {
-                        channel.invokeMethod(name, byteArray);
+                      if(channel!=null)
+                      {
+                          channel.invokeMethod(name, byteArray);
+                      }
                     }
                 });
     }

diff --git a/android/src/main/java/com/pauldemarco/flutter_blue/ProtoMaker.java b/android/src/main/java/com/pauldemarco/flutter_blue/ProtoMaker.java
@@ -68,10 +68,14 @@ static Protos.ScanResult from(BluetoothDevice device, ScanResult scanResult) {
             }
             // Manufacturer Specific Data
             SparseArray<byte[]> msd = scanRecord.getManufacturerSpecificData();
-            for (int i = 0; i < msd.size(); i++) {
+            if(msd!=null)
+            {
+            for (int i = 0; i < msd.size(); i++) 
+               {
                 int key = msd.keyAt(i);
                 byte[] value = msd.valueAt(i);
                 a.putManufacturerData(key, ByteString.copyFrom(value));
+               }
             }
             // Service Data
             Map<ParcelUuid, byte[]> serviceData = scanRecord.getServiceData();
@@ -205,4 +209,4 @@ static Protos.DeviceStateResponse from(BluetoothDevice device, int state) {
         p.setRemoteId(device.getAddress());
         return p.build();
     }
-}
+}
diff --git a/lib/src/bluetooth_device.dart b/lib/src/bluetooth_device.dart
@@ -30,7 +30,7 @@ class BluetoothDevice {
     if (timeout != null) {
       timer = Timer(timeout, () {
         disconnect();
-        throw TimeoutException('Failed to connect in time.', timeout);
+
       });
     }