How To: Lock the Dialer to Prevent Snooping When Letting Others Borrow Your Android

Lock the Dialer to Prevent Snooping When Letting Others Borrow Your Android

Lending someone your phone to make a call is always an awkward situation, as you closely monitor them to make sure they stick to a phone call rather than wandering off into private applications like your photo or messaging apps. You don't necessarily want to eavesdrop on their conversation, but trusting people with your phone is difficult, especially if you have some risqué or embarrassing pictures stored on it.

You could lock your sensitive applications by way of Smart App Protector or the ProtectedApps mod, but that's more than needed when you consider the primary reason we lend our phone out is for phone calls. Instead, let's show you how to lock borrowers in the dialer app, restricting access to the rest of the phone.

Step 1: Install Obstructor

Obstructor is a straight-forward app that does what it advertises, working as a third-party dialer that restricts access to the entire phone. Get it for free from the Google Play Store.

Step 2: Initial Setup

Upon opening the app, you will have to select Obstructor when the dialog box appears, requesting you to complete the action.

Step 3: Create Your Passcode

The default passcode is 1234, so open the settings and create a new, unique one. Within the settings, you also have the option to enable an ongoing notification to quickly launch Obstructor from the Notification Shade.

Step 4: Restrict Access

Obstructor will disable the use of the back or home key, preventing anyone from accessing the main home screen. Once the call has ended, the application will request your passcode to enter back to your home screen.

While using the application, I was able to get access to the rest of the phone by utilizing the app switcher and selecting an open app, so before launching Obstructor, make sure to close any other applications you may have running.

This issue can easily be fixed with an update but otherwise, I found the Obstructer extremely useful and simple. Instead of needing to take precautions and locking apps, just lock people in the dialer.

Let us know what you think of Obstructer in the comments below, as well as on our Facebook and Twitter feeds.

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Cover image via edbassmaster

1 Comment

this has happened several times and in the company of friends and/or family you dont want to think that you dont trust them. they say they need to borrow the phone or just pick it up and say whats your code i need to make a call. Try telling your sister to give you the phone so you can unlock it instead of telling it to her. the next phrase would be "oh my god, what, you dont trust me or something?"

can someone please just make a phone where everything is locked EXCEPT the phone calling ability???

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