Get a lock on an application and prevent others from peeking into it. Luckily, there are a few methods by which you can lock certain applications. It will help not only in maintaining your secret stuff’s privacy but also in leading tension free life. Here’s the way of locking application on Android. The method of locking applications on Android 9 Pie with screen pinning Firstly, go to Settings. Then, click on Security and location. After that, click on Advanced. Next, click on Screen pinning. Hit the toggle for activating screen pinning. Then, press on Ask for the pin before unpinning for activating, providing more safety. Click on the Overview symbol. After that, click on the application that you want to pin. Then, click on Pin. Press on Got it. Do a long press on the Back and Overview options for unpinning the application. Put a pin, pattern or password for unpinning the display. Finally, it is completed. The method of locking applications on Android 8 Oreo ...