• Lock Screen App 1
  • Lock Screen App 2
  • Lock Screen App 3
  • Lock Screen App 4

Lock Screen App

'Lock Screen App' can lock your device easily.
## ↓↓Scroll down↓↓ to read Notes on Uninstall. ##

Do you feel inconvenient to lock your device using the power button?

Are your afraid of wearing out the power button? (My n1 was repaired coz of that :< )

'Lock Screen App' is a tiny app that can help you lock easily (without power button).

Features :•Lock device with one touch (Same effect as pressing the power button)•Not a widget so it does not run as service in the background•Auto-kill itself after locking to save your Battery & Memory•Tiny in size (<100k)

Features (Donation Version Only):•Little bit faster•Lock by long-pressing search button **not work on xpad/apad and device without search key**•Get updates earlier


★ Please buy the donation version to support the dev! ★★(You could find it using 'View more applications'/ the link in the app's settings page) Thank you! :D

Notes:======

@@Compatibility Issues@@------------------------------------

1.New / Updated Moto devices may not be supported

Moto disallows lock screen in their OS updates, so it would not work on moto devices after updates and new device like Droid 3. I have reported it to moto, but they did not agree to fix!

2. For device running Android 4.X, sometimes flashing (screen on then off again) may happen, try to enable 'Force Lock' in Lock Screen Settings to fix it.

3.It has been tested to work on Galaxy Nexus and Android Simulators (2.2,2.3, 4.0.2, 4.0.4, 4.1, 4.2 & 4.3)However, the dev cannot guarantee that it could run / uninstall on all devices [coz I don't have all the devices].

If you encounter problem with you device, feel free to drop me an email!

### How to uninstall? ###------------------------------------Locking Screen in Android requires the user of device administration function, you must deactivate device administration *BEFORE
* uninstall to avoid error!

To do this:•Go to "Lock Screen Settings" (in launcher) -> "Remove Device Administrator" ~See screenshots~Alternatively, you may do it via•Go to Settings -> Location & security (or Security) -> Select device administrators -> Uncheck this app.

After that, uninstall it in Play Store, in case of error during uninstall in Play Store, do it at Settings->Apps->Lock Screen-->Uninstall

[To use other hardware keys to unlock your device, try 'Widget Locker' / 'No Lock' app (not developed by me)]

Category : Tools

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Reviews (29)

Sor. S. Nov 13, 2020     

I've been using this for many years. Change phone many times, but my lock screen app always this one. Although my newest phone say this is for old version of Android, I keep install this one.

Lin. G. Jul 20, 2019     

The easiest screen lock app to install (or uninstall) that I have found. Thanks. It would be even better if the icon was a brighter colour.

Bob. A. Oct 26, 2020     

An extremely useful app that enables me to lock my screen by using a screen icon, instead of the power button.

Sap. C. Jan 3, 2019     

This worked as advertised, but it appears to have put an advertising banner on my lock screen which I hate.

Kev. L. May 9, 2019     

it says it no longer works with new phones. goodness.

A. G. u. Sep 21, 2018     

Amazing app, very low size. I have been using it for years.

Ron. D. Jan 11, 2019     

Used this for years on many phones. Great app.

Cla. K. Dec 5, 2021     

Long time user. Thanks Ken.

Sta. S. Nov 2, 2018     

Cool and simple

Swi. N. Aug 30, 2020     

Thu worst app have ever saw

num. S. Jan 21, 2016     

This is excellen and awesome app.It is very usfull.I use every day about 50 times.As much as I use home botton to turn on my Galaxy S5 I also use this scren lock app to turn off my phone. Bravo mr Kennet Cheng.I am giving you right now 10 stars.

A. G. u. Aug 27, 2015     

People dont give bad rating, because you have no idea how to uninstall the app. Read description 1st it is well explained, even because of you dev put this ugly second icon to help you uninstall and still say that you cant. I dont want to offend you, but be more careful and read something, anything... Uncheck app from device administrators and then use uninstall button!!!

Tiệ. D. V. Jun 29, 2013     

Actually everything seems off and lock,except the lcd backlight or something like that..... You can check it at night or dark places. I use this application for long time but accidentally I feel something wrong when look at my Xperia U at night. Its different with locking the smartphone by power button. Could you please fix it. Thank you very much for this useful application!

A. G. u. May 7, 2016     

I've had this app for ages (since before Kit Kat and now on Marshmallow) and love it--it does exactly what it says it will do. Simple and awesome! Don't need it anymore as I can double-tap the screen to lock the phone, but thank you for many years of awesomeness!

Kim. N. P. Jul 7, 2014     

i am satisfied of this app. Is that posible to add an option for ending call when manually turn off the screen? Just like the same function of google accessbility "Power button ends call"...... Due to I am teaching my mom to use smart phone recently, but she still does not familiar those android interface and causes. Just now she was accidently dial out for an hour but did not aware......

Kar. S. Jan 10, 2016     

Lightweight and does what it says. Needed for every Android device. Save a few clicks on that power button. Unfortunately, the android m policies ignore fingerprint unlock if such apps are used to lock the screen. no fault of the app, but I can't use it anymore.

Sim. F. Oct 31, 2013     

This lock app can be used for my htc oneX. After upgrading to version 4.2.2, I ve problem with using lock app. My phone lockscreen turn on again immediately after turn off via pressing lock widget. Now it can solve by this app. Thanks,admin.

Ian. Aug 27, 2013     

I love this app, all the other apps which do the same, the icon tends to move all over the screen where this app you can fix on the home screen. Brilliant

Edg. P. May 13, 2013     

I was happy to try this one out. I have tried many others which are widgets and they all turn back on after pressing. Since this is an app I figured it would be different. I activated the "force stop" and the first time I pressed to turn off it flashed back on. I am sorry for the low rating and I don't understand why none of these can work properly. I guess I'll keep trying to find one that works. My phone is Note 2 and if anyone knows of one that will work please let me know.

Cla. C. Feb 14, 2014     

it locks the screen without delay. Easy to use. It's not a widget and it can be add to the dock bar. And it kills itself after locking, so no RAM wasted at all. Great app! On my Galaxy S+ & S4 it is very uncomfortable to use the power button. This app solved the problem! Thanks!

Xan. P. Nov 19, 2014     

I tried and tried to open the app many times and the 15th time I tried well... I gave up. Please fix

Gar. V. Sep 25, 2016     

Apps like these protect the structural integrity of physical buttons. I've been using this for years and will continue to do so.

Wil. C. Nov 3, 2013     

This app restored the simple lock screen on my phone. Customizeable with the image I wanr, and when I swipe, I'm not restricted by a stupid slide bar at the bottom of my screen. (Samsung forced a lockscreen update on me that is crap.)

Mic. C. Jan 24, 2013     

Seems to work for the most part. The odd time the screen will wake itself. Went to enable force lock and that seemed to just make my screen flicker quickly after locking - Note 2

Hat. K. Jan 1, 2014     

This is the only working locker app that works on my xperia z. Other apps would've made the screen unlock it self, but this app perfectly locks without waking up. The only bad thing about this app is that the icon doesnt look sophisticated.

GAR. T. Oct 15, 2013     

Great apps with small footprint. Those who complain probably can't read simple instructions.

Jon. M. Aug 10, 2013     

I have used this on all of my androids and prefer it to other lock screen apps due to it's simplicity and ease of use. Works on custom roms as well.

A. G. u. Jan 24, 2015     

Best screen lock out there, so simple. Thanks for this

Sha. M. Sep 6, 2013     

It's one of few apps that really locks and turns off my screen. But the logo is ugly.