public class MyView extends ListView {
  public MyView(Context context) {
    super(context);
    sharedConstructor();
  }

  public MyView(Context context, AttributeSet attrs) {
    super(context, attrs);
    sharedConstructor();
  }

  public MyView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    sharedConstructor();
  }
  
  private void sharedConstructor() {
    // Do some initialize work.
  }
}

public class MyView extends ListView {
  public MyView(Context context) {
    this(context, null);
  }

  public MyView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public MyView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    
    // Other initialize work.
  }
}

public ListView(Context context) {
    this(context, null);
  }

  public ListView(Context context, AttributeSet attrs) {
    this(context, attrs, com.android.internal.R.attr.listViewStyle);
  }

  public ListView(Context context, AttributeSet attrs, int defStyleAttr) {
    this(context, attrs, defStyleAttr, 0);
  }

  public ListView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
    // Other works.
  }