* Hide player controls when back is pressed (only on TV devices)
* Do not hide control after click unless in touch mode
* Show player controls on dpad usage
* Notably increase control hide timeout when not in touch mode
GridLayoutManager is buggy - https://issuetracker.google.com/issues/37067220:
it randomly loses or incorrectly assigns focus when being scrolled via
direction-based navigation. This commit reimplements onFocusSearchFailed()
on top of scrollBy() to work around that problem.
Ordinary touch-based navigation should not be affected.
- Fragments were being recreated from scratch (losing their state) every
time some configuration change occurred (e.g. screen rotation).
- Use `FragmentStatePagerAdapter` instead, as it is built to work with
them and manage their states.
Before, the direct value was given to the user, now it uses the parsed
date so we can match the device's language.
To get the relative time from the parsed dates, we use the PrettyTime
library.
Also introduces a debug option to check the service's original value.
* validate the stored file before start the mission
* add warning on StoredFileHelper.java
* simplify the communication between MissionAdapter and DownloadManagerService.java since shares the same looper
* simplify setVisible() "start/pause all downloads" buttons logic
Sometimes YouTube introduces recaptchas only on some pages. By loading the url inside the ReCaptchaException into ReCaptchaActivity's webview, the page that originally caused the problem is shown. The user can then solve the page-specific recaptcha.
* restore permission request popup previously removed in #2486
* use legacy file picker in cases where saf file picker is not available
* fix missing file check logic in prepareSelectedDownload method (DownloadDialog.java)
