Alternative to performing typeText in an Android Expresso test.

SetTextAction.java

public class SetTextAction implements ViewAction {

    private String stringToBeTyped;

    public SetTextAction(String stringToBeTyped) {
        this.stringToBeTyped = stringToBeTyped;
    }

    @Override
    public Matcher<View> getConstraints() {
        return Matchers.allOf(isDisplayed(), isAssignableFrom(EditText.class));
    }

    @Override
    public String getDescription() {
        return String.format("SetTextAction type text(%s)", stringToBeTyped);
    }

    @Override
    public void perform(UiController uiController, View view) {
        if (!TextUtils.isEmpty(stringToBeTyped)) {
            ((EditText) view).setText(stringToBeTyped);
        }
    }
}