Swipe your finger along the left edge of the screen. The gesture increases brightness if you swipe up and decrease when the finger moves down.

If you do not like this feature, you can turn off the manual brightness control. In the “Appearance” section of the settings dialogue, if your device runs Android or in the “Screen” section on iOS.

Starting from Android 11, Google changed the file access policy. The app has a choice: only have access to its files stored in a hidden folder or request access to all user files. There is no granularity.

The first way does not work for an app that reads books from user folders. That would be nice to request access to files in the Books folder only. Unfortunately, there is no such choice on Android 11+.

An application needs two permissions to access all files. The first is from Google; it allows requesting users for such access. And the second is from you. Google has granted permission to the most popular book readers, including FBReader. It is your turn now. You can believe that FBReader does not steal or damage your data or can choose another reader you trust.

Add your *.ttf or *.otf files to the Fonts folder next to the Books one. FBReader will add them automatically. You can customize the folder name in the “Directories” section in the preferences.

Yes. You can create a file keymap.xml in the books folder. Here is an example. You have to find the keycodes for your device buttons.

The list of possible actions can be extracted from the source file.

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