点击通过边界/坐标 [英] Click by bounds / coordinates

问题描述

我知道它有可能居preSSO通过边界的方式<一点击href="http://stackoverflow.com/questions/20519905/uiautomator-click-on-a-imagebutton-with-no-text-or-content-desc">UiAutomator确实。 （x和y坐标），我已经通过文档阅读，但我似乎无法找到它。任何帮助是AP preciated。谢谢

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

修改
我发现<一href="https://android-test-kit.google$c$c.com/git/docs/javadocs/apidocs/com/google/android/apps/common/testing/ui/es$p$psso/action/Tapper.html"相对=nofollow>此链接，但没有例子如何使用它，我主要关注的是这种 UiController 是，或如何使用它。

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

推荐答案

居preSSO有<一个href="http://$c$c.google.com/p/android-test-kit/source/browse/es$p$psso/lib/src/main/java/com/google/android/apps/common/testing/ui/es$p$psso/action/GeneralClickAction.java"><$c$c>GeneralClickAction,这是ViewActions的底层实现点击（）， doubleClick如果（）和 longClick（ ）。

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

在 GeneralClickAction 的构造函数需要 CoordinatesProvider 作为第二个参数。 所以基本的想法是创建一个静态 ViewAction 吸气它提供了一个自定义的 CoordinatesProvider 。事情是这样的：

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(
        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;
               float[] coordinates = {screenX, screenY};

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

与长者preSSO一般的建议：与其找文件（有几乎没有），看看源$ C ​​$ C。居preSSO是开源和源$ C ​​$ C本身是真正的好品质。

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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