Install Button Unlocker - Fix Screen Overlay Error APK for Android

https://play.google.com/store/apps/details?id=jp.sfapps.alertwindowchecker

About Accessibility

This app uses accessibility.

If you activate the accessibility, please confirm the explanation, agree, and activate it.

Unlocked Button List

The unlocked button list is shown below. Users can also be added.

INSTALL buttonFrom Android 4.1 to 7.1

It will be displayed when you install the app from the apk file.

Vpn buttonAndroid 4.3 or lator

It will be displayed when you want to allow the VPN.

Accessibility buttonFrom Android 5.0 to 7.1

It will be displayed when you activate the accessibility features.

ALLOW buttonAndroid 6.0

It will be displayed when the app requests the permission of the authority.

It is also effective for permission buttons on the "App permissions" screen in the settings.

START NOW buttonFrom Android 6.0 to 7.1

It will be displayed when you allow the screen capture.

ACTIVATE buttonFrom Android 6.0 to 7.1

It will be displayed when you activate device administrator.

Note

As this app avoids the security of Android, your device might become vulnerable to unauthorized apps.

Read the following things, please use this on your understanding.

Reason that button is locked

The Android has been equipped with the feature called "Alert Window" or "Toast". It is the ability to display the layout in front than normal app.

If this feature is exploited, a user will be allowed to unintended operation named "Tap Jacking Attack".

Android has set the security to some buttons in order to prevent this. If the layout in front of the button is being displayed, the button is locked.

Generally, the security is released by stopping the app that displays the layout in front of the button.

About Tap Jacking Attack

Illegal window is displayed in the foreground and a user will be allowed to illegal operation as follows:

Download and install the illegal apps

Fraudulent billing

Grant Illegal permission, etc.

About Locked Button

Locked button will not change the color even if the tap.

In Android 6.0 or later, the following message may be displayed when you tap the locked button.

Because an app is obscuring a permission request, Settings cant verify your response.

Screen overlay detected To change this permission setting, you first have to turn off the screen overlay from Settings > Apps