Chad Bingham Chad Bingham - 1 year ago 199
Android Question

Click by bounds / coordinates

I know it is possible for Espresso to click by bounds the way UiAutomator does. (x and y coordinates) I have read through the documentation but I can't seem to find it. Any help is appreciated. Thanks


I found this link, but no examples how to use it, My main concern with this is the

is or how to use it.

Answer Source

Espresso has the GeneralClickAction, this is the underlying implementation of ViewActions click(), doubleClick(), and longClick().

The GeneralClickAction's constructor takes a CoordinatesProvider as second argument. So the basic idea is to create a static ViewAction getter which provides a custom CoordinatesProvider. Something like this:

public static ViewAction clickXY(final int x, final int y){
    return new GeneralClickAction(
        new CoordinatesProvider() {
            public float[] calculateCoordinates(View view) {

               final int[] screenPos = new int[2];

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

               return coordinates;

A general advice with Espresso: instead of looking for documentation (there's virtually none), look at the source code. Espresso is open source and the source code itself is of really good quality.

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