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Thu, Jan 12 2017 9:29 AM | Permanent Link |
Uli Becker | As it was mentioned before, EWB is responsible for the complete
scrolling. Therefore on mobile devices a fast and accelerated scrolling (wiping more or less fast) is not possible. This behaviour changes when there is a TBrowser control within the EWB app. Within the bounds of such a control the mobile browser takes control over the scrolling. What I don't understand: if only the viewport is scrolled (not any control with the EWB app like a ScrollPanel or scrollable form or surface): why doesn't the browser keep the control over scrolling? Or IOW: how can a fast scrolling on a mobile device be realized (if possible)? Thanks Uli |
Thu, Jan 12 2017 10:14 AM | Permanent Link |
Raul ![]() | On 1/12/2017 9:29 AM, Uli Becker wrote:
> What I don't understand: if only the viewport is scrolled (not any > control with the EWB app like a ScrollPanel or scrollable form or > surface): why doesn't the browser keep the control over scrolling? Or > IOW: how can a fast scrolling on a mobile device be realized (if possible)? Uli, Not really answering your question but can your mobile device browser by itself do fast scrolling in browser ? For example on my device (iOS) i find safari to have crappy scrolling in all cases (no ewb - just web pages). Chrome does lot better but even that is not nearly as fast as scrolling in (native) apps. Raul |
Thu, Jan 12 2017 10:24 AM | Permanent Link |
Uli Becker | Raul,
> Not really answering your question but can your mobile device browser by > itself do fast scrolling in browser ? > > For example on my device (iOS) i find safari to have crappy scrolling in > all cases (no ewb - just web pages). Chrome does lot better but even > that is not nearly as fast as scrolling in (native) apps. I juse Android devices (current phone is Huawei Mate 8) and with Chrome it's as fast as in native apps. In addition to this I made some experiments with EWB and Phonegap. I guess the built in browser is used in this case - but the performance is the same. Uli |
Fri, Jan 27 2017 9:11 AM | Permanent Link |
Uli Becker | I really would like to know more details about scrolling the ViewPort
especially on mobile devices. As I described before: when there is a TBrowser control on the form, scrolling is under control of the browser and works fine, if not, EWB does the scrolling (of the ViewPort) and that's too slow for mobile devices. BTW: For mobile apps with forms which are not interactive, I place a transparent TBrowser control on the form and thus scrolling works fine. I think it's a very important point for mobile apps, since the user expects fast scrolling by wiping. If the content just moves by 2 or 3 lines, scrolling "doesn't work" from the user's point of view. Thanks Uli |
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