Android Encrypted Notepad app with lock patternDennis Lang http://landenlabs.com/index.html
Encryp Notes takes Ivan's app further by adding a password grid pattern UI as an alternate way to provide passwords. The grid password UI is based off of code provided by ahmed.
The grid pattern code was heavily redesigned to allow both drag drawing and tap picking. The pattern also supports overlapping paths. When a node is used multiple times, its icon rotates. When a path overlaps it changes color and reduces its width, revealing the previous path underneath.
|New document||Prompt to save existing and clear screen|
|Open||Present file browser followed by password controls.|
|Save||Save current file with existing password, else does 'save as'|
|Save As||Presetn file browser followed by password controls.|
|About||Show app version and author info|
|File browser||[experimental] open file browser to allow deletion of encrypted files|
|Paranoid||Prevent saving of active document when no password is provided and app is closed or place in background. By default app will save current work when backgrounded and restore when app resumes. With paranoid enabled you will lose your work if you background the app and don't manually save your work.|
|Invert colors||[experimental] Invert main screen background and font colors.|
After selecting a file you need to provide a valid password to decrypt the document. You can enter a password in the lower box using the keyboard or use the numeric grid pattern. To use the grid patten either drag your finger across the numeric buttons or tap on the buttons. Your numeric sequence will appear in the password text box at the bottom. By default the grid pattern is displayed and your password is displayed. If you prefer to hide your password you can hit the check box labeled show.
Same sequence as movie showing key frames of movie.