camera, profile: check for null

Change-Id: I2e10969909e1502c5d577432a3d7add1b92bd154

ring-android/app/src/main/java/cx/ring/services/CameraService.java

@@ -150,7 +150,7 @@ abstract public class CameraService {
     }
 
     public boolean isPreviewFromFrontCamera() {
-        return mNativeParams.size() == 1 || currentCamera.equals(cameraFront);
+        return mNativeParams.size() == 1 || (currentCamera != null && currentCamera.equals(cameraFront));
     }
 
     public Map<String, StringMap> getPreviewSettings() {

ring-android/libringclient/src/main/java/cx/ring/account/ProfileCreationPresenter.java

@@ -67,6 +67,7 @@ public class ProfileCreationPresenter extends RootPresenter<ProfileCreationView>
     }
 
     public void fullNameUpdated(String fullName) {
+        if (mAccountCreationModel != null)
             mAccountCreationModel.setFullName(fullName);
     }