How to handle push notification ?

Code Snippet:

//Here we have Initialized driver as AppiumDriver
driver.findElement(By.id(“doc.saulmm.notification: id / simple_notification”)).click();
((AndroidDriver < WebElement > ) driver).openNotifications();
List < WebElement > notificationTitles = driver.findElements(By.id(“android: id / title”));
for (WebElement title: notificationTitles) {
    String extractTitle = title.getText();
    if (extractTitle.contains(“I’ m a simple notification”)) {
        driver.findElement(By.id(“com.android.systemui: id / clear_notification”)).click();
    }
}