以编程方式使XML布局不起作用

Question

我想以编程方式重新创建XML布局，但它似乎不起作用。我发现了如何（据说）从另一个线程以编程方式创建它。任何帮助表示赞赏，谢谢。

XML：

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="120dp"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:background="@android:color/white">



    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Test1"
        android:id="@+id/txt1"
        android:paddingTop = "36dp"
        android:paddingRight = "36dp"
        android:paddingLeft = "18dp"
        android:paddingBottom = "36dp"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Test2"
        android:layout_toRightOf="@id/txt1"
        android:id="@+id/txt2"
        android:paddingTop = "36dp"
        android:paddingRight = "36dp"
        android:paddingBottom = "36dp"/>

</RelativeLayout>

以下是我尝试匹配上述XML的代码：

public class MainActivity extends AppCompatActivity {



@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    // Creating a new RelativeLayout
    RelativeLayout relativeLayout = new RelativeLayout(this);

    // Defining the RelativeLayout layout parameters.
    // In this case I want to fill its parent



    RelativeLayout.LayoutParams rlp = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.MATCH_PARENT,
            RelativeLayout.LayoutParams.MATCH_PARENT);


    // Creating a new TextView
    TextView txt1 = new TextView(this);
    txt1.setText("Test1");

    TextView txt2 = new TextView(this);
    txt2.setText("Test2");

    // Defining the layout parameters of the TextView
    RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.WRAP_CONTENT,
            RelativeLayout.LayoutParams.WRAP_CONTENT);

    RelativeLayout.LayoutParams lp2 = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.WRAP_CONTENT,
            RelativeLayout.LayoutParams.WRAP_CONTENT);

    lp2.addRule(RelativeLayout.RIGHT_OF, txt1.getId());

    txt1.setPadding(18,36,36,36);
    txt2.setPadding(0,36,36,36);

    // Setting the parameters on the TextView
    txt1.setLayoutParams(lp);
    txt2.setLayoutParams(lp2);

    // Adding the TextView to the RelativeLayout as a child
    relativeLayout.addView(txt1);
    relativeLayout.addView(txt2);

    // Setting the RelativeLayout as our content view
    setContentView(relativeLayout, rlp);


}

}

What I see when I run it programmatically