Knock Lock is simple application that allows you to select area on your display to enable "knock to sleep" feature. Also in app you can select size of area available for knocking.
- How does it impact battery life?
App does nothing other than creating small area for knocking. Battery usage should be below 0.1%.
- How to uninstall this app?
Remove access to service that you have selected at start. You can do this by clicking button in app again and selecting "device admin" section or by going to Android settings -> security -> Device Admins. Then you can uninstall app.
-Why there is visible notification?
This notification is part of Android responsible for keeping app alive all time. I can't change that, otherwise app will be killed from running in background.
If you have problems with app or want to ask question, email me from this app page.
Double-tap to the left of the screen to lock the smartphone.
Shake your finger near proximity sensor to wake up the screen.
Screen On / Screen Off
Fast Lock Unlock
- Unlock the screen by waving hand over proximity Sensor
- Lock the screen by cover hand over proximity Sensor for few seconds
- You can use smart cover to automatic turn on / off screen
- This application use Proximity sensor to capture the user waving in front of the screen to unlock the screen and Cover it to Lock the screen
- If your mobile phone / tablet have Proximity, you can use this application to Lock / Unlock the Screen.
- Helps you to prevent your Power button or home button for broken.
Add feature allow you to decease the sensitive of your sensor
if you feel the phone's sensors too sensitive. It will reduce the sensitivity of the sensor, helping you avoid screen auto wake
Small bug fixed
- VERSION 3.9
Fix bug when cover to unlock at home screen
Remove exit ads, so you can now exit this app without see the anoying Ads
Remove ads in the bottom of screen
Add guilde button for user know: how to uninstall this app
- VERSION 3.6
Fix bug screen off cannot check to turn off function
- VERSION 3.5
FIX bug sceen off
Add feature Cover phone to Lock screen
By Default this feature does not enable, you can enable it in setting.
You can use smart cover to automatic turn on / off screen
Add new function allow user to show notification or not
Remove ads when click setting button
Fix bug: Service nerver be killed by system
Remove some ads
Remove 8 permissions
More sensitive sensor
Sleep mode return
Support android 4.3
- VERSION 2.8
Fix flash screen bug from some device
Remove sleep mode function cause some error raised when use this feature
- VERSION 2.7
Small bug fix for some device
- VERSION 2.6
Fix bug when screen off, screen auto on for few times
- VERSION 2.5
Add sleep time mode ( during this time, the sensor will off for battery saving )
Add Test Mode for you to test the Sensor
Add Set screen time-out per seconds
Add Set Auto Start Service on Boot
Support more device android 2.1 and have 320 x 240 px (like samsung galaxy Y)
Fix issue stop service after kill recents app
Fix 5 seconds issue
More battery saving
Support Android 2.1 and above
- BATTERY SAVING:
Update function when screen is on -> turn OFF the Proximity Sensor
When screen is OFF -> turn ON the Proximity Sensor. So maybe when you turn off your screen and start test to unlock device, you thought it's not work. But in fact, it's wait about 5 seconds after screen off to start the sensor :).
- Fix Scroll setting sensitive issue ( user don't have to restart service or restart Application to make Sensor sensitive changed )
- Some other bug fixed
- You can adjust the sensitivity of the sensor
- Added Lock Screen Widget for lock the screen
- Notice if the machine does not support the Proximity Sensor
- Small bug fix
- Samsung galaxy S4
- HTC One
- Samsung galaxy S3
- Oppo Find 5
- Lg Lu6200
- Galaxy Note 2
- Samsung galaxy S2
- LG LTE 2
- LG Optimus G
- HTC Evo 4g
- Nexus 4
- Sony xperia Z
- HTC rhyme
- SKY A840
- Samsung galaxy note 2
- LG OPTIMUS L7
- Almost device has Proximity sensor can use this feature :)
Lock screen with a widget.
Lock screen from the notification bar. So you can lock screen without backing to home screen.
Shake phone or tablet to lock screen. That's cool! You can lock screen from anywhere. Just turn the screen upside down and then rotate your wrist. 9 shake sensitive levels you can choose. So you can even rotate your wrist very slowly to lock screen.
The motion is different from general shaking, so will not conflict when you shake in other apps.
You can choose the way or use them together.
How to install
1.Open DX Lock and check Toggle Device Admin
2.Select Activate in the popup dialog (required)
3.Then you can add a widget to home screen, click it to lock screen.
4.Or enable notification lock
5.Or enable shake lock
6.Or use them together
How to uninstall
If you really don't like this app and want to uninstall.
1.Open DX Lock
2.Uncheck Toggle Device Admin
3.Uninstall as normal app
This app can let you turn on / off your device in a touchless way without pressing the hardware power button.
Standard trigger- Tap proximity sensor to toggle screen on off
Quick look- Hold the tap to keep screen on
Pocket trigger- Put upside down to turn screen off, flip upwards to turn on
-The app will not keep the device awake, low battery consumption.
-Triggers and duration are configurable.
-Pause when on phone call.
-Pause when device screen in landscape mode.
-Pause after power button is pressed when screen facing down (using on bed).
-Lightweight. No ad.
Q: The app is not working
A: The app is tested in Nexus 5, Samsung S4 S2. Please let me know if it is not working in your device
Q1: How can I uninstall?
A1: This app will use device administrator right to turn off screen. Please deactivate the app from device admin (setting > security > device admin) before uninstall.
Q2: I get relocks screen all the time
A2: -Turn off "Force to lock screen after taking up from table"; or
-Extend automatically lock time in setting > security; or
-Disable the keylock in setting > security; or
-Adjust the dim level to highest in Screen Trigger setting
Q3: I get screen flickering all the time
A3: -Adjust the tap speed setting; or
-Slow the tap motion (tap and hold at least 0.5 seconds)
Q4: No response after tap on proximity sensor
A4: -The app use accelerometer and proximity sensor. Please try to re-calibrate the accelerometer; or
-The app might not handle all models.
Q5: Pocket sensor not always response
A5: Extent the tap speed or extent the pocket sensor duration. Slow the flipping motion.