Can you give an example of using the 'Factory' design pattern in the Android framework?

// Abstract class or interface for the product
interface TextView {
    void setText(String text);
    void setTextColor(int color);
}

// Concrete class for standard TextView
class StandardTextView implements TextView {
    android.widget.TextView internalTextView;

    StandardTextView(android.content.Context context) {
        internalTextView = new android.widget.TextView(context);
    }

    @Override
    public void setText(String text) {
        internalTextView.setText(text);
    }

    @Override
    public void setTextColor(int color) {
        internalTextView.setTextColor(color);
    }
}

// Concrete class for Bold TextView
class BoldTextView implements TextView {
    android.widget.TextView internalTextView;

    BoldTextView(android.content.Context context) {
        internalTextView = new android.widget.TextView(context);
        internalTextView.setTypeface(null, android.graphics.Typeface.BOLD);
    }

    @Override
    public void setText(String text) {
        internalTextView.setText(text);
    }

    @Override
    public void setTextColor(int color) {
        internalTextView.setTextColor(color);
    }
}

// Abstract factory class
abstract class TextViewFactory {
    abstract TextView createTextView(android.content.Context context);
}

// Concrete factory for standard TextView
class StandardTextViewFactory extends TextViewFactory {
    @Override
    TextView createTextView(android.content.Context context) {
        return new StandardTextView(context);
    }
}

// Concrete factory for Bold TextView
class BoldTextViewFactory extends TextViewFactory {
    @Override
    TextView createTextView(android.content.Context context) {
        return new BoldTextView(context);
    }
}

// Example usage in Activity
class MyActivity extends androidx.appcompat.app.AppCompatActivity {

    @Override
    protected void onCreate(android.os.Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // ...

        TextViewFactory standardFactory = new StandardTextViewFactory();
        TextView standardTextView = standardFactory.createTextView(this);
        standardTextView.setText("Hello, world!");

        TextViewFactory boldFactory = new BoldTextViewFactory();
        TextView boldTextView = boldFactory.createTextView(this);
        boldTextView.setText("Bold text");

        // Adding to layout
        android.widget.LinearLayout linearLayout = new android.widget.LinearLayout(this);
        linearLayout.setOrientation(android.widget.LinearLayout.VERTICAL);
        linearLayout.addView(((StandardTextView) standardTextView).internalTextView);
        linearLayout.addView(((BoldTextView) boldTextView).internalTextView);
        setContentView(linearLayout);
    }
}