android.support.test.espresso.action.GeneralSwipeAction#android.support.test.espresso.action.CoordinatesProvider源码实例Demo

/**
 * Custom ViewAction to click on dedicated coordinates
 * @param x -
 * @param y -
 * @return ViewAction -
 */
private ViewAction clickXY( final int x, final int y ){
    return new GeneralClickAction(
            Tap.SINGLE,
            new CoordinatesProvider() {
                @Override
                public float[] calculateCoordinates( View view ){

                    final int[] screenPos = new int[2];
                    view.getLocationOnScreen(screenPos);

                    final float screenX = screenPos[0] + x;
                    final float screenY = screenPos[1] + y;

                    return new float[]{screenX, screenY};

                }
            },
            Press.FINGER);
}
 

/**
 * Custom ViewAction to click on dedicated coordinates
 * @param x -
 * @param y -
 * @return ViewAction -
 */
private ViewAction clickXY( final int x, final int y ){
    return new GeneralClickAction(
            Tap.SINGLE,
            new CoordinatesProvider() {
                @Override
                public float[] calculateCoordinates( View view ){

                    final int[] screenPos = new int[2];
                    view.getLocationOnScreen(screenPos);

                    final float screenX = screenPos[0] + x;
                    final float screenY = screenPos[1] + y;

                    return new float[]{screenX, screenY};

                }
            },
            Press.FINGER);
}
 

public ViewAction clickXY(final float x, final float y){
    final DisplayMetrics dm = activityRule.getActivity().getResources().getDisplayMetrics() ;
    final float spX = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, x, dm);
    final float spY = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, y, dm);
    return new GeneralClickAction(
            Tap.SINGLE,
            new CoordinatesProvider() {
                @Override
                public float[] calculateCoordinates(View view) {

                    final int[] screenPos = new int[2];
                    view.getLocationOnScreen(screenPos);

                    final float screenX = screenPos[0] + spX;
                    final float screenY = screenPos[1] + spY;
                    float[] coordinates = {screenX, screenY};

                    return coordinates;
                }
            },
            Press.FINGER);
}
 

public CustomClickAction(Tapper tapper, CoordinatesProvider coordinatesProvider,
                         PrecisionDescriber precisionDescriber, ViewAction rollbackAction) {
    this.coordinatesProvider = coordinatesProvider;
    this.tapper = tapper;
    this.precisionDescriber = precisionDescriber;
    this.rollbackAction = Optional.fromNullable(rollbackAction);
}
 

/**
 * Translates the given coordinates by the given distances. The distances are given in term
 * of the view's size -- 1.0 means to translate by an amount equivalent to the view's length.
 */
private static CoordinatesProvider translate(final CoordinatesProvider coords,
                                             final float dx, final float dy) {
    return new CoordinatesProvider() {
        @Override
        public float[] calculateCoordinates(View view) {
            float xy[] = coords.calculateCoordinates(view);
            xy[0] += dx * view.getWidth();
            xy[1] += dy * view.getHeight();
            return xy;
        }
    };
}
 

static ViewAction swipeRightNotReachingThreshold(Context context) {
  final float x = getWidthScreen(context) * 0.3f;
  return new GeneralSwipeAction(Swipe.SLOW, GeneralLocation.TOP_LEFT, new CoordinatesProvider() {
    @Override public float[] calculateCoordinates(View view) {
      return new float[] {x, 0f};
    }
  }, Press.FINGER);
}
 

static ViewAction swipeRightReachingThreshold(Context context) {
  final float x = getWidthScreen(context) * 0.8f;
  return new GeneralSwipeAction(Swipe.SLOW, GeneralLocation.TOP_LEFT, new CoordinatesProvider() {
    @Override public float[] calculateCoordinates(View view) {
      return new float[] {x, 0f};
    }
  }, Press.FINGER);
}
 

static ViewAction swipeDownNotReachingThreshold(Context context) {
  final float y = getHeightScreen(context) * 0.3f;
  return new GeneralSwipeAction(Swipe.SLOW, GeneralLocation.TOP_LEFT, new CoordinatesProvider() {
    @Override public float[] calculateCoordinates(View view) {
      return new float[] {0f, y};
    }
  }, Press.FINGER);
}
 

static ViewAction swipeDownReachingThreshold(Context context) {
  final float y = getHeightScreen(context) * 0.8f;
  return new GeneralSwipeAction(Swipe.SLOW, GeneralLocation.TOP_LEFT, new CoordinatesProvider() {
    @Override public float[] calculateCoordinates(View view) {
      return new float[] {0f, y};
    }
  }, Press.FINGER);
}
 

public NoConstraintsSwipeAction(Swiper swiper, CoordinatesProvider startCoordinatesProvider,
                                CoordinatesProvider endCoordinatesProvider, PrecisionDescriber precisionDescriber) {
  this.swiper = swiper;
  this.startCoordinatesProvider = startCoordinatesProvider;
  this.endCoordinatesProvider = endCoordinatesProvider;
  this.precisionDescriber = precisionDescriber;
}
 

public CustomClickAction(Tapper tapper, CoordinatesProvider coordinatesProvider,
                         PrecisionDescriber precisionDescriber) {
    this(tapper, coordinatesProvider, precisionDescriber, null);
}
 

private static ViewAction swipe() {

        CoordinatesProvider start = GeneralLocation.TOP_CENTER;
        CoordinatesProvider end = GeneralLocation.BOTTOM_CENTER;
        return new GeneralSwipeAction(Swipe.SLOW, start, end, Press.FINGER);
    }