About this app

App Lock - Security Master can lock apps, photos, videos and other private data with password lock or pattern lock. App Lock - Security Master is a free app lock and privacy guard to prevent intruders & snoopers from peeping at your private data, hide sensitive photos and videos by encrypting your Gallery, keep children or snoopers away from messing up your settings, deleting important things or making in-app purchase. Customize app lock settings as you want, more secure and smart to lock all privacy in one small AppLock.

☞ App Locker can lock all android apps, including:
- System apps: AppLocker can lock Contacts, SMS, Gallery, Videos, Email and so on. No one can mess up your settings for system apps vault
☞App Lock free - password for apps can lock photos and videos.
After locking gallery and video apps, no intruder can peep at your private photos and videos. No worry about privacy leakage.
☞ App Locker - passcode lock apps provides invisible pattern lock and random keyboard. No one can peep at your password or pattern. Completely safe!

Highlights of App Lock - passcode lock apps

★Intruder Selfie:
-Take photo of intruders who trying to break in your phone
-Record the time and data in AppLock for check
★Replace AppLock Icon:
-Replace App Locker icon with Alarm Clock, Weather, Calculator, Calendar and Notepad on home screen, easy to confuse snoopers and keep privacy safe.
★Lock Frequency:
-You can set Passcode Lock Apps to run in Always Lock/5 minutes/Until screen off mode. Customize lock frequency, more user friendly.
★Power Saving:
-Save phone power by 50% after enable power saving mode in App Lock.
★One-Tap to Enable/Disable Passcode Lock Apps :
-Tap the lock icon at the upper right corner on Lock App page, to enable or disable Apps Locker.
More features will come soon, please stay tuned, including:
-Screen password Lock: Use the same passcode Lock App to lock phone screen, more powerful.
-Photo : All apps locker private photos will be moved from Gallery to photo vault.
-Video : All App locked private videos will be moved from Gallery to video vault.
- App Disguise: Use fingerprint lock or force close to confuse intruders, more secure.
Force Stop shows a fake crash screen to those who want to access your phone
Fingerprint Lock stop unauthorized access
- Cleaner & speed boost: Clean junk files and boost phone speed, easily to get it done in AppLock.

New features

- Fix Bugs
- Remove BIND_DEVICE_ADMIN

App Permissions

Allows applications to disable the keyguard if it is not secure.
This constant was deprecated in API level 21. No longer enforced.
Allows an application to read the user's call log.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows an application to call killBackgroundProcesses(String].
Allows an application to write to external storage.
Allows an application to read from external storage.
Allows an application to read or write the system settings.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.
Allows applications to change Wi-Fi connectivity state.
Allows applications to change network connectivity state.
Allows an application to collect component usage statistics
Declaring the permission implies intention to use the API and the user of the device can grant permission through the Settings application.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.