Android TableLayout - add buttons dynamically at center of screen

Please see below screenshot for different results on tablet and on phones.

activity.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:id="@+id/frameLayout1"
android:weightSum="4"
android:padding="0dp"
android:orientation="vertical">

<ImageView
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:scaleType="centerCrop"
    android:src="@drawable/crossword_background"/>

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="0dp"
    android:orientation="vertical"
    android:id="@+id/frameLayout"
    android:weightSum="4"
    >
    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:background="@android:color/transparent" >

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/tvTitle"
                style="@style/TextAppearance.AppCompat.Widget.ActionBar.Title"
                android:layout_width="100dp"
                android:layout_height="24dp"
                android:layout_marginStart="4dp"
                android:layout_marginTop="4dp"
                android:layout_marginEnd="4dp"
                android:layout_marginBottom="4dp"
                android:background="@drawable/count_frame"
                android:fontFamily="@font/roboto"
                android:gravity="center"
                android:textColor="#5A0FC8"
                android:textSize="13sp"
                android:textStyle="bold"
                tools:text="4" />

        <TextView
            android:id="@+id/menu_item_score"
            style="@style/TextAppearance.AppCompat.Widget.ActionBar.Title"
            android:layout_width="100dp"
            android:layout_height="24dp"
            android:layout_margin="4dp"
            android:background="@drawable/count_frame"
            android:gravity="right"
            android:layout_alignParentRight="true"
            android:textColor="#5A0FC8"
            android:textSize="13sp"
            android:textStyle="bold"
            android:textAlignment="center"
            tools:text="4" />
        </RelativeLayout>
    </androidx.appcompat.widget.Toolbar>

    <LinearLayout
        android:id="@+id/rightLayout"
        android:layout_width="40dp"
        android:layout_height="fill_parent"
        android:layout_alignParentEnd="true"
        android:layout_below="@id/horizontal_divider"
        android:orientation="vertical" >
        <LinearLayout
            android:layout_weight="1"
            android:layout_height="fill_parent"
            android:layout_width="match_parent"
            android:weightSum="4"
            android:orientation="vertical" >


            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:id="@+id/ShowHint"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>

        </LinearLayout>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/leftLayout"
        android:layout_width="40dp"
        android:layout_height="fill_parent"
        android:layout_alignParentStart="true"
        android:layout_below="@id/horizontal_divider"
        android:orientation="vertical" >

        <LinearLayout
            android:layout_weight="1"
            android:layout_height="fill_parent"
            android:layout_width="match_parent"
            android:weightSum="4"
            android:orientation="vertical" >


            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>
            <ImageButton
                android:id="@+id/ShuffleButtons"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:src="@drawable/ic_action_360"
                android:background="@null"/>

        </LinearLayout>

    </LinearLayout>

    <View
        android:id="@+id/horizontal_divider"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_centerVertical="true" />


    <RelativeLayout
        android:id="@+id/firstLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:padding="0dp"
        android:layout_centerInParent="true"
        android:layout_margin="0dp"
        android:layout_above="@+id/horizontal_divider"
        android:layout_below="@id/toolbar"
        android:gravity="center">

        <TableLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/tblLayout"
            android:gravity="center"
            android:padding="0dip"
            android:shrinkColumns="*"
            android:layout_margin="0dip"
            android:layout_centerInParent="true"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true">
        </TableLayout>


    </RelativeLayout >


    <LinearLayout
        android:id="@+id/secondLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/horizontal_divider"
        android:layout_toStartOf="@id/rightLayout"
        android:layout_toEndOf="@id/leftLayout"
        android:orientation="vertical" >
        <FrameLayout
            android:id="@+id/frame_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginTop="5dp"
            android:layout_marginLeft="5dp"
            android:layout_marginRight="5dp"
            android:layout_marginBottom="5dp"
            >

        </FrameLayout>

    </LinearLayout>
</RelativeLayout>

background_ic_btn_bonus.xml

<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
    android:src="@drawable/ic_btn_bonus"
    android:tileMode="disabled" android:gravity="center" >
</bitmap>

background_ic_btn_default.xml

<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
    android:src="@drawable/ic_btn_default"
    android:tileMode="disabled" android:gravity="center" >
</bitmap>

Corresponding Java Code

    String[] iLayoutMap = getTableLayout();
    /*
    iLayoutMap contains split rows removing 2 
    2,0,0,0,0,0,0,2,0,0,0,0,0,0,2,0,0,1,1,1,0,2,0,0,0,1,0,0,2,0,0,0,0,0,0,2,0,0,0,0,0,0*/
    TableLayout tableLayout  = (TableLayout) findViewById(R.id.tblLayout);

    for(int i=1;i<iLayoutMap.length;i++){
        TableRow NewRow1 =new TableRow(this);
        NewRow1.setPadding(0, 0, 0, 0);
        NewRow1.setGravity(Gravity.CENTER);
        NewRow1.setHorizontalGravity(Gravity.CENTER);
        NewRow1.setVerticalGravity(Gravity.CENTER);

        String [] items = iLayoutMap[i].split("\\s*,\\s*");
        NewRow1.setWeightSum(items.length-1);
        for(int j = 0; j < items.length;j++) {
            if(items[j].equalsIgnoreCase("0")){


                Button btnAdd = new Button(context);
                btnAdd.setGravity(Gravity.CENTER);
                btnAdd.setTextSize(25);
                btnAdd.setTextColor(Color.WHITE);

                //btnAdd.setPadding(10   ,10,10,10);
                //btnAdd.setBackgroundResource(R.drawable.ic_btn_default);
                btnAdd.setBackgroundResource(R.drawable.background_ic_btn_default);
                btnAdd.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,TableRow.LayoutParams.WRAP_CONTENT ,1));
                NewRow1.addView(btnAdd);
            }else if(items[j].equalsIgnoreCase("1")){

                //https://stackoverflow.com/questions/3404582/adding-text-to-imageview-in-android



                Button btnAdd = new Button(context);
                String strId = Integer.toString(i) + Integer.toString(j-1);
                //btnAdd.setWidth(iObjectWidth);
                //btnAdd.setHeight(iObjectHeight);
                btnAdd.setId(Integer.valueOf(strId));
                btnAdd.setGravity(Gravity.CENTER);
                btnAdd.setTextSize(25);
                btnAdd.setTextColor(Color.WHITE);

                //btnAdd.setPadding(10   ,10,10,10);
                //btnAdd.setBackgroundResource(R.drawable.ic_btn_default);
                btnAdd.setBackgroundResource(R.drawable.background_ic_btn_bonus);
                btnAdd.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,TableRow.LayoutParams.WRAP_CONTENT,1 ));
                NewRow1.addView(btnAdd);
            }
        }
        NewRow1.setLayoutParams(new TableLayout.LayoutParams(TableLayout.LayoutParams.WRAP_CONTENT,TableLayout.LayoutParams.WRAP_CONTENT,items.length-1));
        tableLayout.addView(NewRow1);
    }

Function

public String[] getTableLayout() {

    if (lvlinfo != null) {
        return lvlinfo.getLayout().split("2");
    }

    //Return this as default in case of failure
    String arr = "2,0,0,0,0,0,0,2,0,0,0,0,0,0,2,0,0,1,1,1,0,2,0,0,0,1,0,0,2,0,0,0,0,0,0,2,0,0,0,0,0,0";
    //String arr = "2,0,0,0,0,0,0,2,0,0,0,0,0,0,2,0,0,1,1,1,0,2,0,0,0,1,0,0,2,0,0,0,0,0,0,2,0,0,0,0,0,0";
    return arr.split("2");

}

Expected Result ( Working correctly on Tablet with Android 4.4.2 with below code)

Actual Results ( Tested on multiple phones with OS >= 8.1.0)

from Android TableLayout - add buttons dynamically at center of screen