SomeTimes hint text not showing

[matghazaryan]

When I try to write something and hide keyboard the hint not showing. Could you please fix this issue?

For example if we set text input type as password and background as shape. Here is my code

  <com.wrapp.floatlabelededittext.FloatLabeledEditText
        android:layout_width="match_parent"
        android:layout_height="@dimen/activity_edit_text_height"
        android:layout_marginBottom="@dimen/activity_small_margin"
        android:background="@drawable/edit_text_bg"
        float:fletPadding="5dp">

        <EditText
            android:id="@+id/login_email"
            android:inputType="textEmailAddress"
            android:gravity="bottom"
            android:layout_gravity="bottom"
            android:hint="@string/your_email_address"
            style="@style/ncv_edit_text_style"/>
    </com.wrapp.floatlabelededittext.FloatLabeledEditText>

    <com.wrapp.floatlabelededittext.FloatLabeledEditText
        android:layout_width="match_parent"
        android:layout_height="@dimen/activity_edit_text_height"
        android:background="@drawable/edit_text_bg"
        float:fletPadding="5dp">

        <EditText
            android:id="@+id/login_password"
            android:inputType="textPassword"
            android:hint="@string/password"
            android:gravity="bottom"
            android:imeOptions="actionDone"
            android:layout_gravity="bottom"
            style="@style/ncv_edit_text_style"/>
    </com.wrapp.floatlabelededittext.FloatLabeledEditText>

style.xml