Those members are private, either because there are other ways to achieve the same goal, or because they might change in the future in a what that would break applications that rely on it. I guess that your situation is the second one.
JBQ On Mon, Mar 2, 2009 at 8:09 PM, Alger, Lin <addr...@gmail.com> wrote: > > I write my own text display component, which similar to TextView, but > I wanna handle the spacing between words, and show cursor if user > clicked on spacing, or show selection mark if user clicked on word. > > I suppose this implementation is an easy job, I should write my own > component extended from TextView, and overrides a few functions, such > as onDraw(), onTouch(), etc. > > However, I found it's more difficult than my anticipation, after I > study the source code of TextView. Because the TextPaint is a private > member in TextView, and be used everywhere. That means if I wanna > override onDraw(), I have to create my own TextPaint member, and > override each functions which use the private TextPaint member. > > I don't understand why the TextPain member in TextView is private? I > don't know why TextView do not allows subclass to use its members > (TextPaint just one of them)? I just know this design is unfavorable > to extend from standard component to develop my own component. > > Eventually, I write my own component extended from View, and write > each function manually. I think components in SDK should not with > private member, it is not convenient for Android designer, I suggests > to review it. > > > -- Jean-Baptiste M. "JBQ" Queru Android Engineer, Google. Questions sent directly to me will likely get ignored or forwarded to a public forum with no further warning. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
