Question

我在项目代码中随处可见，当按钮在后台声明时，而不是通常的Button。这样做的开发人员 - 现在不工作了。为什么这样做？是否有一些表现获胜？或者是什么原因？我如何用ConstraineLayout做同样的效果？感谢。

<android.support.v7.widget.CardView
            android:id="@+id/confirm_phone_btn_container"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/confirm_phone_text_input_layout"
            android:layout_centerHorizontal="true"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="22dp"
            android:layout_marginTop="32dp"
            android:background="@color/edit_info_btn_inactive"
            app:cardBackgroundColor="@color/blue"
            app:cardCornerRadius="3dp"
            app:cardElevation="2dp"
            app:cardPreventCornerOverlap="false"
            app:cardUseCompatPadding="false">

            <TextView
                android:id="@+id/confirm_phone_change_txt"
                android:layout_width="118dp"
                android:layout_height="36dp"
                android:layout_gravity="center_horizontal"
                android:background="@color/edit_info_btn_inactive"
                android:clickable="true"
                android:gravity="center"
                android:includeFontPadding="false"
                android:text="@string/change"
                android:textAllCaps="true"
                android:textColor="@color/white"
                android:textSize="14sp"
                android:textStyle="bold" />

        </android.support.v7.widget.CardView>

Answer 1

在活动xml文件中添加cardview

public void onClickCardview(View view){
        //your code here
    }

在活动Java文件中添加以下代码

public void save_vendor_info()
{
    SqlConnection con = new SqlConnection(@"server=localhost;Database=TEST;integrated security=true");
    con.Open();

    DataTable dt = new DataTable();

    XmlDocument doc = new XmlDocument();
    doc.Load("https://testdata/api/vendordata");

    try
    {
        XmlNode node = doc.DocumentElement.ChildNodes.Cast<XmlNode>().ToList()[0];

        foreach (XmlNode column in node.ChildNodes)
        {
            dt.Columns.Add(column.Name, typeof(String));
        }

        XmlNode Filas = doc.DocumentElement;

        foreach (XmlNode Fila in Filas.ChildNodes)
        {
            List<string> Valores = Fila.ChildNodes.Cast<XmlNode>().ToList().Select(x => x.InnerText).ToList();

           SqlCommand cmd = new SqlCommand(("IF NOT EXISTS (Select Vendorcode From Vendors where Vendorcode = @Vendorcode) INSERT INTO Vendors VALUES (@Vendorcode, @STCD3, @Name1, @Name2, @Name3, @street1, @street2, @street3, @city1, @city2, @city3, @state1, @state2, @state3, @zip1, @zip2, @zip3, @countrycode, @BusinessUnitId, @VATID, @nationalVATID, @IBAN, @BankAccount, @BankCode)"), con);
            cmd.CommandType = CommandType.Text;

            cmd.Parameters.AddWithValue("@Vendorcode", Valores[0]);
            cmd.Parameters.AddWithValue("@STCD3", Valores[1]);
            cmd.Parameters.AddWithValue("@Name1", Valores[2]);
            cmd.Parameters.AddWithValue("@Name2", Valores[3]);
            cmd.Parameters.AddWithValue("@Name3", Valores[4]);
            cmd.Parameters.AddWithValue("@street1", Valores[5]);
            cmd.Parameters.AddWithValue("@street2", Valores[6]);
            cmd.Parameters.AddWithValue("@street3", Valores[7]);
            cmd.Parameters.AddWithValue("@city1", Valores[8]);
            cmd.Parameters.AddWithValue("@city2", Valores[9]);
            cmd.Parameters.AddWithValue("@city3", Valores[10]);
            cmd.Parameters.AddWithValue("@state1", Valores[11]);
            cmd.Parameters.AddWithValue("@state2", Valores[12]);
            cmd.Parameters.AddWithValue("@state3", Valores[13]);
            cmd.Parameters.AddWithValue("@zip1", Valores[14]);
            cmd.Parameters.AddWithValue("@zip2", Valores[15]);
            cmd.Parameters.AddWithValue("@zip3", Valores[16]);
            cmd.Parameters.AddWithValue("@countrycode", Valores[17]);
            cmd.Parameters.AddWithValue("@BusinessUnitId", Valores[18]);
            cmd.Parameters.AddWithValue("@VATID", Valores[19]);
            cmd.Parameters.AddWithValue("@nationalVATID", Valores[20]);
            cmd.Parameters.AddWithValue("@IBAN", Valores[21]);
            cmd.Parameters.AddWithValue("@BankAccount", Valores[22]);
            cmd.Parameters.AddWithValue("@BankCode", Valores[23]);

            cmd.ExecuteNonQuery();
        }
    }
    catch (Exception ex)
    {
    }
}

为什么要使用CardView + TextView组合而不是单个按钮？

1 个答案: