Task/improve searching in manifest files

[Y-E-P]

Added library and make simple implementation including back pressed action.

[sdex]

Everything looks great so far. There is just one thing left - saving state. After rotating the screen the webview saves and highlights the search result but the search bar is gone.

[Y-E-P]

Everything looks great so far. There is just one thing left - saving state. After rotating the screen the webview saves and highlights the search result but the search bar is gone.

Good point, let me check it and fix