在java中利用迴圈建立LinearLayout時，將其設置回水平，並且在其中增加button。
我要建立兩個LinearLayout，並分別在個別底下增加1個button

預期呈現為
按鈕11
按鈕21

實際呈現為

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">
    
        <ScrollView
        android:id="@+id/scrollView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fillViewport="true"
        app:layout_constraintTop_toBottomOf="@+id/unfold">
        
            <LinearLayout
                    android:id="@+id/all"
                    android:layout_width="fill_parent"
                    android:layout_height="fill_parent"
                    android:orientation="vertical">  
            </LinearLayout>
        
        </ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>

           LinearLayout all = pop_view.findViewById(R.id.all);
                LinearLayout linear[] = new LinearLayout[6];
                for (int i = 1; i <= 2; i++ ){
                    linear[i] = new LinearLayout(MainActivity.this);
                    linear[i].setOrientation(LinearLayout.HORIZONTAL); //設置水平
                    //linear[i].setBackgroundDrawable(getResources().getDrawable(R.drawable.test));

                    String linearID = "linear" + i  ; // 設置ID
                    int resID = getResources().getIdentifier(linearID, "id", getPackageName());
                    linear[i].setId(resID);
                    all.addView(linear[i]);

                    LinearLayout resIDc =  pop_view.findViewById(resID);
                    ViewGroup.LayoutParams params = resIDc.getLayoutParams();
                    params.width = ViewGroup.LayoutParams.MATCH_PARENT;
                    params.height = ViewGroup.LayoutParams.FILL_PARENT;
                    resIDc.setLayoutParams(params);

                    Button bt[] = new Button[10];
                    for (int j = 1; j <= 1; j++) {
                        bt[j] = new Button(MainActivity.this);
                        bt[j].setText("按鈕"+i+j);
                        resIDc.addView(bt[j]);
                    }
                }