felipearimateia

fun Activity.toast(message: CharSequence, duration: Int = Toast.LENGTH_SHORT) {
  Toast.makeText(this, message, duration).show()
}

class MainActivity : Activity(){
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        toast("Hello, Kotlin!")
    }
}

felipearimateia

public class BaseActvity extends Activity{
    public void toast(String message, int duration) {
        Toast.makeText(this, message, duration);
    }
}

public class MainActvity extends BaseActvity{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

felipearimateia

public class BorderDrawable extends Drawable {

	private int mLeftBorderWidth = 0;
	private int mRightBorderWidth = 0;
	private int mLeftBorderColor = Color.BLACK;
	private int mRightBorderColor = Color.BLACK;
	
	private int mTopBorderWidth = 0;
	private int mBottomBorderWidth = 0;
	private int mTopBorderColor = Color.BLACK;

felipearimateia

/**
 * Created by felipearimateia on 02/11/14.
 */
public class TextViewLine extends TextView{

    private BorderDrawable borderDrawable;
    private int selectColor;
    private int backgroundColor;

    public TextViewLine(Context context) {