TestTextLayoutBuilder.java

public class MainActivity extends AppCompatActivity {

    private static final int ROOT_VIEW = 650;
    private static final int CUSTOM_VIEW = 823;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ConstraintLayout constraintLayout = new ConstraintLayout(this);
        constraintLayout.setId(ROOT_VIEW);
        addContentView(constraintLayout,
                new ConstraintLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                        ViewGroup.LayoutParams.MATCH_PARENT));
        TextLayoutBuilder builder = new TextLayoutBuilder()
                .setTextSize(50)
                .setAlignment(Layout.Alignment.ALIGN_CENTER)
                .setText("TextLayoutBuilder makes life easy");
        Layout layout = builder.build();
        CustomView customView = new CustomView(this);
        customView.setId(CUSTOM_VIEW);
        customView.setLayout(layout);
        customView.setBackgroundColor(Color.YELLOW);
        constraintLayout.addView(customView);
        ConstraintSet constraintSet = new ConstraintSet();
        constraintSet.constrainWidth(CUSTOM_VIEW, ConstraintSet.MATCH_CONSTRAINT);
        constraintSet.constrainHeight(CUSTOM_VIEW, LayoutMeasureUtil.getHeight(layout));
        constraintSet.connect(CUSTOM_VIEW, ConstraintSet.TOP,
                ROOT_VIEW, ConstraintSet.TOP);
        constraintSet.connect(CUSTOM_VIEW, ConstraintSet.START,
                ROOT_VIEW, ConstraintSet.START);
        constraintSet.connect(CUSTOM_VIEW, ConstraintSet.END,
                ROOT_VIEW, ConstraintSet.END);
        constraintSet.connect(CUSTOM_VIEW, ConstraintSet.BOTTOM,
                ROOT_VIEW, ConstraintSet.BOTTOM);
        constraintSet.applyTo(constraintLayout);
    }

    public class CustomView extends View {
        private Layout layout;

        public CustomView(Context context) {
            super(context);
        }

        public void setLayout(Layout layout) {
            this.layout = layout;
        }

        @Override
        protected void onDraw(Canvas canvas) {
            super.onDraw(canvas);

            // Draw the layout.
            layout.draw(canvas);
        }
    }
}