【android学习】监听左右滑动的LinearLayout

public class BCustomerLinearLayout extends LinearLayout implements View.OnTouchListener {

    private static final String TAG = "CustomerLinearLayout";

    public OnGestureChangeListener listener;

    public interface OnGestureChangeListener {
        void scrollLeft();

        void scrollRight();

//        void onClick();
    }


    public void setOnGestureChangeListener(OnGestureChangeListener listener) {
        this.listener = listener;
    }

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

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

    public BCustomerLinearLayout(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);

        //setGestureListener();
        //设置Touch监听
        this.setOnTouchListener(this);
        //允许长按
        this.setLongClickable(true);
    }


    @Override
    public boolean