Merge pull request #280 from odemolliens/master

Check bluetooth permission before we start to get device bluetooth name

android/src/main/java/com/learnium/RNDeviceInfo/RNDeviceModule.java

@@ -147,14 +147,20 @@ public class RNDeviceModule extends ReactContextBaseJavaModule {
 
     String deviceName = "Unknown";
 
+    String permission = "android.permission.BLUETOOTH";
+    int res = this.reactContext.checkCallingOrSelfPermission(permission);
+    if (res == PackageManager.PERMISSION_GRANTED) {
       try {
         BluetoothAdapter myDevice = BluetoothAdapter.getDefaultAdapter();
-      if(myDevice!=null){
+        if (myDevice != null) {
           deviceName = myDevice.getName();
         }
-    } catch(Exception e) {
+      } catch (Exception e) {
         e.printStackTrace();
       }
+    }
+
+
 
     try {
       if (Class.forName("com.google.android.gms.iid.InstanceID") != null) {