We can now list supported bluetooth services

Author: alt236

library/src/main/java/uk/co/alt236/bluetoothlelib/device/BluetoothLeDevice.java

@@ -7,7 +7,10 @@
 
 import java.io.Serializable;
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
 import java.util.Map;
+import java.util.Set;
 
 import uk.co.alt236.bluetoothlelib.device.adrecord.AdRecordStore;
 import uk.co.alt236.bluetoothlelib.resolvers.BluetoothClassResolver;
@@ -55,6 +58,7 @@ public BluetoothLeDevice[] newArray(final int size) {
     private final long mFirstTimestamp;
     private int mCurrentRssi;
     private long mCurrentTimestamp;
+    private transient Set<BluetoothService> mServiceSet;
 
     /**
      * Instantiates a new Bluetooth LE device.
@@ -221,6 +225,25 @@ public String getBluetoothDeviceMajorClassName() {
         return BluetoothClassResolver.resolveMajorDeviceClass(mDevice.getBluetoothClass().getMajorDeviceClass());
     }
 
+    public Set<BluetoothService> getBluetoothDeviceKnownSupportedServices() {
+        if (mServiceSet == null) {
+            synchronized (this) {
+                if (mServiceSet == null) {
+                    final Set<BluetoothService> serviceSet = new HashSet<>();
+                    for (final BluetoothService service : BluetoothService.values()) {
+
+                        if (mDevice.getBluetoothClass().hasService(service.getAndroidConstant())) {
+                            serviceSet.add(service);
+                        }
+                    }
+                    mServiceSet = Collections.unmodifiableSet(serviceSet);
+                }
+            }
+        }
+
+        return mServiceSet;
+    }
+
     /**
      * Gets the device.
      *

library/src/main/java/uk/co/alt236/bluetoothlelib/device/BluetoothService.java

@@ -0,0 +1,28 @@
+package uk.co.alt236.bluetoothlelib.device;
+
+import android.bluetooth.BluetoothClass;
+
+/**
+ *
+ */
+public enum BluetoothService {
+    AUDIO(BluetoothClass.Service.AUDIO),
+    CAPTURE(BluetoothClass.Service.CAPTURE),
+    INFORMATION(BluetoothClass.Service.INFORMATION),
+    LIMITED_DISCOVERABILITY(BluetoothClass.Service.LIMITED_DISCOVERABILITY),
+    NETWORKING(BluetoothClass.Service.NETWORKING),
+    OBJECT_TRANSFER(BluetoothClass.Service.OBJECT_TRANSFER),
+    POSITIONING(BluetoothClass.Service.POSITIONING),
+    RENDER(BluetoothClass.Service.RENDER),
+    TELEPHONY(BluetoothClass.Service.TELEPHONY);
+
+    private final int mAndroidConstant;
+
+    BluetoothService(final int androidCode){
+        mAndroidConstant = androidCode;
+    }
+
+    public int getAndroidConstant(){
+        return mAndroidConstant;
+    }
+}

sample_app/src/main/java/uk/co/alt236/btlescan/activities/DeviceDetailsActivity.java

@@ -19,6 +19,7 @@
 import butterknife.Bind;
 import butterknife.ButterKnife;
 import uk.co.alt236.bluetoothlelib.device.BluetoothLeDevice;
+import uk.co.alt236.bluetoothlelib.device.BluetoothService;
 import uk.co.alt236.bluetoothlelib.device.adrecord.AdRecord;
 import uk.co.alt236.bluetoothlelib.device.mfdata.IBeaconManufacturerData;
 import uk.co.alt236.bluetoothlelib.resolvers.CompanyIdentifierResolver;
@@ -56,6 +57,7 @@ private void appendDeviceInfo(final MergeAdapter adapter, final BluetoothLeDevic
         final TextView tvAddress = (TextView) lt.findViewById(R.id.deviceAddress);
         final TextView tvClass = (TextView) lt.findViewById(R.id.deviceClass);
         final TextView tvMajorClass = (TextView) lt.findViewById(R.id.deviceMajorClass);
+        final TextView tvServices = (TextView) lt.findViewById(R.id.deviceServiceList);
         final TextView tvBondingState = (TextView) lt.findViewById(R.id.deviceBondingState);
 
         tvName.setText(device.getName());
@@ -64,6 +66,24 @@ private void appendDeviceInfo(final MergeAdapter adapter, final BluetoothLeDevic
         tvMajorClass.setText(device.getBluetoothDeviceMajorClassName());
         tvBondingState.setText(device.getBluetoothDeviceBondState());
 
+        final String supportedServices;
+        if(device.getBluetoothDeviceKnownSupportedServices().isEmpty()){
+            supportedServices = getString(R.string.no_known_services);
+        } else {
+            final StringBuilder sb = new StringBuilder();
+
+            for(final BluetoothService service : device.getBluetoothDeviceKnownSupportedServices()){
+                if(sb.length() > 0){
+                    sb.append(", ");
+                }
+
+                sb.append(service);
+            }
+            supportedServices = sb.toString();
+        }
+
+        tvServices.setText(supportedServices);
+
         adapter.addView(lt);
     }
 

sample_app/src/main/res/layout/list_item_view_device_info.xml

@@ -52,6 +52,16 @@
             android:id="@+id/deviceMajorClass"
             style="@style/GridLayoutDataTextView"/>
 
+        <TextView
+            style="@style/GridLayoutTitleTextView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/label_device_services"/>
+
+        <TextView
+            android:id="@+id/deviceServiceList"
+            style="@style/GridLayoutDataTextView"/>
+
         <TextView
             style="@style/GridLayoutTitleTextView"
             android:layout_width="wrap_content"

sample_app/src/main/res/values/strings.xml

@@ -15,6 +15,7 @@
     <string name="unknown_characteristic">Unknown characteristic</string>
     <string name="unknown_device">Unknown device</string>
     <string name="unknown_service">Unknown service</string>
+    <string name="no_known_services">No known services</string>
 
     <!-- Formatters -->
     <string name="formatter_meters">%sm</string>
@@ -54,6 +55,7 @@
     <string name="label_device_address">Device address:</string>
     <string name="label_device_class">Device Class:</string>
     <string name="label_device_major_class">Major Class:</string>
+    <string name="label_device_services">Services:</string>
     <string name="label_device_name">Device Name:</string>
     <string name="label_distance">Distance:</string>
     <string name="label_first_rssi">First RSSI:</string>