Update screenshots

README.md

@@ -33,7 +33,10 @@ Don't worry, I will still continue to develop andOTP it will just slow down from
    - Plain-text
    - Password-protected
    - OpenPGP-encrypted
- * Sleek minimalistic Material Design with a Dark and Light theme
+ * Sleek minimalistic Material Design with three different themes:
+   - Light
+   - Dark
+   - Black (for OLED screens)
  * Great Usability
  * Compatible with Google Authenticator
 
@@ -117,14 +120,23 @@ So make sure you have a **current backup** before switching!
   | Catalan (ca-rES) | [isard](https://crowdin.com/profile/isard)
 
 ## Screenshots:
+#### Light theme:
 
 [<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity.png)
-[<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity.png)
+[<img width=200 alt="Settings Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity.png)
-[<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity.png)
+[<img width=200 alt="Backup Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity.png)
+
+#### Dark theme:
 
 [<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity_dark.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity_dark.png)
-[<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_dark.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_dark.png)
+[<img width=200 alt="Settings Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_dark.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_dark.png)
-[<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_dark.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_dark.png)
+[<img width=200 alt="Backup Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_dark.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_dark.png)
+
+#### Black theme:
+
+[<img width=200 alt="Main Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity_black.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/main_activity_black.png)
+[<img width=200 alt="Settings Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_black.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/settings_activity_black.png)
+[<img width=200 alt="Backup Activity" src="https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_black.png">](https://raw.githubusercontent.com/flocke/andOTP/master/assets/screenshots/backup_activity_black.png)
 
 ## Acknowledgments:
 #### Open-source components used: