private static MobileElement getMobileElement(AndroidDriver driver, String idParameter) {
    WebDriverWait wait = new WebDriverWait(driver, 10);
    MobileElement mobileElement;
    wait.until(ExpectedConditions.visibilityOfElementLocated(By.id(idParameter)));
    mobileElement = (MobileElement) driver.findElement(By.id(idParameter));
    return mobileElement;
}

private static void sendText(AndroidDriver driver, String idParameter, String textParameter) {
    WebDriverWait wait = new WebDriverWait(driver, 10);
    wait.until(ExpectedConditions.visibilityOfElementLocated(By.id(idParameter)));
    driver.findElement(By.id(idParameter)).sendKeys(textParameter);
}