NavigationAnimView: A Java repository from why2

#使用方法
<com.why2.navigationanim.view.NavigationAnimLayout
    android:id="@+id/nal"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/white"
    android:orientation="horizontal"
    android:paddingTop="10dp"
    android:paddingBottom="5dp"
    app:layout_constraintBottom_toBottomOf="parent">

    <com.why2.navigationanim.view.NavigationAnimView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        app:nav_content="菜单1"
        app:nav_selected="true"
        app:nav_selectedImgRes="@array/menu1"
        app:nav_selectedTxtColor="#333333"
        app:nav_txt_size="12sp"
        app:nav_anim_time="500"
        app:nav_unSelectedImgRes="@drawable/ic_menu4_unselected"
        app:nav_unselectedTxtColor="#999999" />

    <com.why2.navigationanim.view.NavigationAnimView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        app:nav_content="菜单2"
        app:nav_selectedImgRes="@array/menu2"
        app:nav_selectedTxtColor="#333333"
        app:nav_txt_size="12sp"
        app:nav_anim_time="500"
        app:nav_unSelectedImgRes="@drawable/ic_menu2_unselected"
        app:nav_unselectedTxtColor="#999999" />

    <com.why2.navigationanim.view.NavigationAnimView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        app:nav_content="菜单3"
        app:nav_selectedImgRes="@array/menu3"
        app:nav_selectedTxtColor="#333333"
        app:nav_txt_size="12sp"
        app:nav_anim_time="500"
        app:nav_unSelectedImgRes="@drawable/ic_menu3_unselected"
        app:nav_unselectedTxtColor="#999999" />

    <com.why2.navigationanim.view.NavigationAnimView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        app:nav_content="菜单4"
        app:nav_selectedImgRes="@array/menu4"
        app:nav_selectedTxtColor="#333333"
        app:nav_txt_size="12sp"
        app:nav_anim_time="500"
        app:nav_unSelectedImgRes="@drawable/ic_menu4_unselected"
        app:nav_unselectedTxtColor="#999999" />
</com.why2.navigationanim.view.NavigationAnimLayout>
why2/NavigationAnimView
