How to Set App Lock or App Protector for Android

Last Updated: March 29, 2019

Mobile phones are one of the most personal possessions anyone can have. With the introduction of smartphones, personal data are now most commonly stored in these devices. Since smartphones are very portable and easy to use, you have to make sure that your phone’s security is working to avoid anyone accessing your information without you knowing. App Lock (or App Protector) is a utility tool for Android that allows you to lock your applications and prevent anyone from opening them without a password. App Lock can provide added security for your phone.

Part 1

Part 1 of 3:
Installing App Lock or App Protector

1
Launch Google Play. Tap the "Google Play" icon on your home screen or in your app drawer.
2
Search for either App Lock or App Protector. The first app to appear in the list is usually the one. Tap it.

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3
Download the app. Just hit Install to download and install either of the two apps onto your device.

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Part 2

Part 2 of 3:
Creating an Account

1
Launch the app. Hit "Open" if you’re still on the app’s Google Play page. If you’ve left it, tap the icon of the app you downloaded on your home screen to launch the program.
- Alternatively, you can head to your app drawer and tap the app’s icon there.
- You will be then asked to create a new password.
2
Create a new password. Enter a 4–16 digit combination password.
- Press "Continue" once you are done.
3
Verify the password you created. Enter the same 4–16 digit combination you’ve previously set.

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Part 3

Part 3 of 3:
Configuring Your Security Options

1
Set your security question. You need to fill out three fields:
- Security Question—Enter a question that will be asked in any case you forget your digit combination password.
- Security Answer—Enter the answer to your security question.
- Password Hint—This will be a clue given to you in the event you forget your security question.
2
Draw an Unlock Pattern. Connect at least 4 dots to create an unlock pattern. Although this part can be skipped, it’s strongly suggested to set it for additional security.
3
Tap on "Continue." App Lock or App Protector will restart, and you’ll be prompted to enter your digit combination password.
4
Select the applications you want to lock. To lock an app, tap the toggle switch on the right part of the screen next to name of the application you wish to lock. The toggle switch will then change to a closed pad lock icon.
- To unlock the app again, tap the same toggle switch and it will change to an open pad lock.
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Community Q&A

Question

How does switch lock work?

Community Answer

It locks your phone with a password so nobody else can use it.
Question

Why am I not getting the option to lock an incoming call after I installed App Lock?

Community Answer

Set the toggle switch to lock again and save the change.
Question

How do I set a lock on my Android?

Community Answer

Do you mean a lock for your homescreen? If so, go to Settings, there should be a way to set a lock code for your phone.