Override LinearLayout's onLayout pass in AlertDialogLayout

import android.annotation.Nullable;

import android.annotation.StyleRes;

import android.content.Context;

import android.graphics.drawable.Drawable;

import android.util.AttributeSet;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.LinearLayout;

        return 0;

    }

    @Override

    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

        final int paddingLeft = mPaddingLeft;

        // Where right end of child should go

        final int width = right - left;

        final int childRight = width - mPaddingRight;

        // Space available for child

        final int childSpace = width - paddingLeft - mPaddingRight;

        final int totalLength = getMeasuredHeight();

        final int count = getChildCount();

        final int gravity = getGravity();

        final int majorGravity = gravity & Gravity.VERTICAL_GRAVITY_MASK;

        final int minorGravity = gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK;

        int childTop;

        switch (majorGravity) {

            case Gravity.BOTTOM:

                // totalLength contains the padding already

                childTop = mPaddingTop + bottom - top - totalLength;

                break;

            // totalLength contains the padding already

            case Gravity.CENTER_VERTICAL:

                childTop = mPaddingTop + (bottom - top - totalLength) / 2;

                break;

            case Gravity.TOP:

            default:

                childTop = mPaddingTop;

                break;

        }

        final Drawable dividerDrawable = getDividerDrawable();

        final int dividerHeight = dividerDrawable == null ?

                0 : dividerDrawable.getIntrinsicHeight();

        for (int i = 0; i < count; i++) {

            final View child = getChildAt(i);

            if (child != null && child.getVisibility() != GONE) {

                final int childWidth = child.getMeasuredWidth();

                final int childHeight = child.getMeasuredHeight();

                final LinearLayout.LayoutParams lp =

                        (LinearLayout.LayoutParams) child.getLayoutParams();

                int layoutGravity = lp.gravity;

                if (layoutGravity < 0) {

                    layoutGravity = minorGravity;

                }

                final int layoutDirection = getLayoutDirection();

                final int absoluteGravity = Gravity.getAbsoluteGravity(

                        layoutGravity, layoutDirection);

                final int childLeft;

                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {

                    case Gravity.CENTER_HORIZONTAL:

                        childLeft = paddingLeft + ((childSpace - childWidth) / 2)

                                + lp.leftMargin - lp.rightMargin;

                        break;

                    case Gravity.RIGHT:

                        childLeft = childRight - childWidth - lp.rightMargin;

                        break;

                    case Gravity.LEFT:

                    default:

                        childLeft = paddingLeft + lp.leftMargin;

                        break;

                }

                if (hasDividerBeforeChildAt(i)) {

                    childTop += dividerHeight;

                }

                childTop += lp.topMargin;

                setChildFrame(child, childLeft, childTop, childWidth, childHeight);

                childTop += childHeight + lp.bottomMargin;

            }

        }

    }

    private void setChildFrame(View child, int left, int top, int width, int height) {

        child.layout(left, top, left + width, top + height);

    }

}