如何从 ID 'extract'文本?



在我的测试中,

我检查了我着陆的每个页面中的标题中的文本。

我可以将文本匹配到"登录"(在R.id.toolbar_text中(,并查看是否通过或失败。但是,我想知道它是否失败了,我在R.id.toolbar_text对象中拥有的文本是什么。

选项getText()在浓缩咖啡Android中可用吗?

如何从ID中'提取'文本?

尝试此(kotlin示例(:

val toolbar: ViewInteraction = onView(withId(R.id.toolbar_text))
fun getText(viewInteraction: ViewInteraction): String? {
    val stringHolder = arrayOf<String?>(null)
    viewInteraction.perform(object : ViewAction {
        override fun getConstraints() = isAssignableFrom(TextView::class.java)
        override fun getDescription() = "Get text from View: ${stringHolder[0]}"
        override fun perform(uiController: UiController, view: View) {
            val tv = view as TextView
            stringHolder[0] = tv.text.toString()
        }
    })
    return stringHolder[0]
}
val text = getText(toolbar)

这是java for getText((中的等效实现:

public static String getText(final Matcher<View> matcher) {
        try {
            final String[] stringHolder = {null};
            onView(matcher).perform(new ViewAction() {
                @Override
                public Matcher<View> getConstraints() {
                    return isAssignableFrom(TextView.class);
                }
                @Override
                public String getDescription() {
                    return "get text";
                }
                @Override
                public void perform(UiController uiController, View view) {
                    TextView tv = (TextView) view;
                    stringHolder[0] = tv.getText().toString();
                }
            });
            if (stringHolder[0] == null || stringHolder[0] == "") {
                fail("no text found");
            }
            return stringHolder[0];
        } catch (Exception e) {
            fail("null found");
            return null;
        }
    }

感谢您提供Java版本,只需如下

val text = getText(withId(R.id.textViewLastPrice))

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