try {
        //To get weight
        EditText W = (EditText) view.findViewById(R.id.weight);
        //Weight = Float.valueOf(W.getText().toString());
        //String weight = W.getText().toString();
        Weight = Float.valueOf(W.getText().toString());

        //To get height
        EditText H = (EditText) view.findViewById(R.id.height);
        Height = Float.valueOf(H.getText().toString());

        //To get age
        EditText A = (EditText) view.findViewById(R.id.Age);
        Age = Float.valueOf(A.getText().toString());
    }
    catch(Exception e)
    {
        e.getMessage();
    }

<EditText
        android:id="@+id/weight"
        android:layout_width="70dp"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@id/da"
        android:layout_centerHorizontal="true"
        android:ems="10"
        android:inputType="number"
        android:textColor="@color/colorAccent" />