如何在WebView Android中加载url时显示进度条

MainActivity.java
Okay, so this is where I load the url now progress bar is visible till the page is loaded and now when I click the links on the page, the progress bar does not appear, I'm searching a fix from 10 hours but none of them are suitable to this conditiion, the progress bar should start as the new url is loaded. Please Help! Okay, so this is where I loa