Add toString for all classes.

Author: pauldemarco

lib/src/bluetooth_characteristic.dart

@@ -172,6 +172,11 @@ class BluetoothCharacteristic {
       return (c.isNotifying == notify);
     });
   }
+
+  @override
+  String toString() {
+    return 'BluetoothCharacteristic{uuid: $uuid, deviceId: $deviceId, serviceUuid: $serviceUuid, secondaryServiceUuid: $secondaryServiceUuid, properties: $properties, descriptors: $descriptors, value: ${_value?.value}';
+  }
 }
 
 enum CharacteristicWriteType { withResponse, withoutResponse }
@@ -212,4 +217,9 @@ class CharacteristicProperties {
         extendedProperties = p.extendedProperties,
         notifyEncryptionRequired = p.notifyEncryptionRequired,
         indicateEncryptionRequired = p.indicateEncryptionRequired;
+
+  @override
+  String toString() {
+    return 'CharacteristicProperties{broadcast: $broadcast, read: $read, writeWithoutResponse: $writeWithoutResponse, write: $write, notify: $notify, indicate: $indicate, authenticatedSignedWrites: $authenticatedSignedWrites, extendedProperties: $extendedProperties, notifyEncryptionRequired: $notifyEncryptionRequired, indicateEncryptionRequired: $indicateEncryptionRequired}';
+  }
 }

lib/src/bluetooth_descriptor.dart

@@ -81,4 +81,9 @@ class BluetoothDescriptor {
         .then((_) => _value.add(value))
         .then((_) => null);
   }
+
+  @override
+  String toString() {
+    return 'BluetoothDescriptor{uuid: $uuid, deviceId: $deviceId, serviceUuid: $serviceUuid, characteristicUuid: $characteristicUuid, value: ${_value?.value}}';
+  }
 }

lib/src/bluetooth_device.dart

@@ -140,6 +140,11 @@ class BluetoothDevice {
 
   @override
   int get hashCode => id.hashCode;
+
+  @override
+  String toString() {
+    return 'BluetoothDevice{id: $id, name: $name, type: $type, isDiscoveringServices: ${_isDiscoveringServices?.value}, _services: ${_services?.value}';
+  }
 }
 
 enum BluetoothDeviceType { unknown, classic, le, dual }

lib/src/bluetooth_service.dart

@@ -21,4 +21,9 @@ class BluetoothService {
         includedServices = p.includedServices
             .map((s) => new BluetoothService.fromProto(s))
             .toList();
+
+  @override
+  String toString() {
+    return 'BluetoothService{uuid: $uuid, deviceId: $deviceId, isPrimary: $isPrimary, characteristics: $characteristics, includedServices: $includedServices}';
+  }
 }

lib/src/flutter_blue.dart

@@ -237,6 +237,11 @@ class ScanResult {
 
   @override
   int get hashCode => device.hashCode;
+
+  @override
+  String toString() {
+    return 'ScanResult{device: $device, advertisementData: $advertisementData, rssi: $rssi}';
+  }
 }
 
 class AdvertisementData {
@@ -263,4 +268,9 @@ class AdvertisementData {
         manufacturerData = p.manufacturerData,
         serviceData = p.serviceData,
         serviceUuids = p.serviceUuids;
+
+  @override
+  String toString() {
+    return 'AdvertisementData{localName: $localName, txPowerLevel: $txPowerLevel, connectable: $connectable, manufacturerData: $manufacturerData, serviceData: $serviceData, serviceUuids: $serviceUuids}';
+  }
 }