ChatActivity

private void chatUserPic(String id) {
        DatabaseReference reference = FirebaseDatabase.getInstance().getReference();
        Query query = reference.child( "Users" ).child( id );
        query.addListenerForSingleValueEvent( new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {

                if (dataSnapshot.exists()) {
                    final String URL_PROFILE = dataSnapshot.child( "thumb_image" ).getValue().toString();
                    Picasso.with( getApplication() )
                            .load( URL_PROFILE )
                            .networkPolicy( NetworkPolicy.OFFLINE )
                            .placeholder( R.drawable.no_profile )
                            .into( mProfileImage, new Callback() {
                                @Override
                                public void onSuccess() {

                                }

                                @Override
                                public void onError() {
                                    Picasso.with( getApplication() )
                                            .load( URL_PROFILE )
                                            .placeholder( R.drawable.no_profile )
                                            .into( mProfileImage );
                                }
                            } );
                } else {
                    String URL_PROFILE = "no_profile";
                    Log.i( "PAUL", URL_PROFILE );
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        } );
    }