Set android shape color programmatically

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">

    <solid android:color="#666666" />

    <size
        android:width="8dp"
        android:height="8dp" />
</shape>

            <ImageView
                android:id="@+id/imageViewStep2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginEnd="4dp"
                android:layout_marginRight="4dp"
                android:background="@drawable/ic_stepper"
                android:contentDescription="@string/step_2" />

        Drawable background = imageViewStep1.getBackground();

        if (background instanceof ShapeDrawable) {
            // cast to 'ShapeDrawable'
            ShapeDrawable shapeDrawable = (ShapeDrawable) background;
            shapeDrawable.getPaint().setColor(ContextCompat.getColor(this, R.color.md_blue_500));
        } else if (background instanceof GradientDrawable) {
            // cast to 'GradientDrawable'
            GradientDrawable gradientDrawable = (GradientDrawable) background;
            gradientDrawable.setColor(ContextCompat.getColor(this, R.color.md_blue_500));
        } else if (background instanceof ColorDrawable) {
            // alpha value may need to be set again after this call
            ColorDrawable colorDrawable = (ColorDrawable) background;
            colorDrawable.setColor(ContextCompat.getColor(this, R.color.md_blue_500));
        }

References
https://stackoverflow.com/questions/17823451/set-android-shape-color-programmatically

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