viewpager

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In my small Android app, I have a ViewPager with 3 pages, each page contains one fragment, that's all working fine with a FragmentStatePagerAdapter (see earlier question ). Now for larger screens, I would like to keep a ViewPager , but I want the first two fragments to be on the same first page. For this, I implement my own PagerAdapter and this is mostly working, the only problem I am trying to resolve is when I am rotating the screen, I get an error: 12-11 16:34:13.526: ERROR/AndroidRuntime(9221): FATAL EXCEPTION: main java.lang

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm using the ViewPager example with ActionBar tabs taken from the Android documentation here . Unfortunately, as soon as I call the addTab method, the application crashes with the following exception: IllegalStateException: The application's PagerAdapter changed the adapter's content without calling PagerAdapter#notifyDataSetChanged! Expected adapter item count 0, found 1. This is the FragmentPagerAdapter code: public static class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener, ViewPager.OnPageChangeListener {

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm using the ViewPager example with ActionBar tabs taken from the Android documentation here . Unfortunately, as soon as I call the addTab method, the application crashes with the following exception: IllegalStateException: The application's PagerAdapter changed the adapter's content without calling PagerAdapter#notifyDataSetChanged! Expected adapter item count 0, found 1. This is the FragmentPagerAdapter code: public static class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener, ViewPager.OnPageChangeListener {

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have setup a simple ViewPager that has an ImageView with a height of 200dp on each page. Here is my pager: pager = new ViewPager ( this ); pager . setLayoutParams ( new LayoutParams ( LayoutParams . FILL_PARENT , LayoutParams . WRAP_CONTENT )); pager . setBackgroundColor ( Color . WHITE ); pager . setOnPageChangeListener ( listener ); layout . addView ( pager ); Despite the height set as wrap_content, the pager always fills the screen even though the imageview is only 200dp. I tried to replace the height of the pager with "200"

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 选择语言 中文(简体) 日语 英语 中文(繁体) 由 翻译 强力驱动 问题: I have a ViewPager, and I'd like to get the current selected and visible view, not a position. getChildAt(getCurrentItem) returns wrong View This works not all the time. Sometimes returns null, sometimes just returns wrong View. @Override public void setUserVisibleHint ( boolean isVisibleToUser ) { super . setUserVisibleHint ( isVisibleToUser ); if ( isVisibleToUser == true ) { mFocusedListView = ListView ; } } PageListener on ViewPager with getChildAt() also not working, not giving me the correct View

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a ViewPager, and I'd like to get the current selected and visible view, not a position. getChildAt(getCurrentItem) returns wrong View This works not all the time. Sometimes returns null, sometimes just returns wrong View. @Override public void setUserVisibleHint(boolean isVisibleToUser) { super.setUserVisibleHint(isVisibleToUser); if (isVisibleToUser == true) { mFocusedListView = ListView; } } PageListener on ViewPager with getChildAt() also not working, not giving me the correct View every time. How can i get current visible View?

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: My Task is to make clean scroll right to another screen then press on icon and show popup, I want to use ViewPager to make clean scroll right(swipe) between two pages, and then use Dialog to show the popup, I couldn't find any working sample on how to implement ViewPager between two layouts, someone has working sample?? Thanks. David 回答1: This helped me a lot: http://geekyouup.blogspot.com/2011/07/viewpager-example-from-paug.html Theres a link to some googlecode you can download and paw through too. Viewpagers work like list views. To use it

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a little Problem: i have a ViewPager with some Pages and i use the FragmentStatePagerAdapter to handle the data. In portrait i have for example 20 pages for the ViewPager and in landscape i have just 10 pages for the ViewPager. So on a orientation change i create a new Adapter with different Data. Here a little explanation why: I show one image in portrait and two in landscape but always all in count. If i have 10 pictures to show, i have 10 in portrait and 5 in landscape (always two). But now i have a strange bug: When i am

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: So far I've been hacking together examples to get a feel for the APIs the Android SDK as a whole. However, I've hit an impasse. I'm trying to Inflate a LinearLayout with 2 TextViews from an XML file. These will be then Views that are paged. I simply can't get this to work and realize that I totally don't understand what's going on with the code. Looking at the source I can see that the method ViewPager.addNewItem calls the InstantiateItem from the supplied adapter. And addNewItem is called in populate() . populate() is called in a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've met the problem that trouble me for days. There is a ViewPager in the main activity which holds 3 Fragment s as tab fragments. In the first fragment there is a ListView which holds some views, and which is the most important, another ViewPager . I want to hold some photos in the sub ViewPager , and use some more fragments here. Now there is the trouble: When the first Fragment is stopped (The third fragment in the parent ViewPager is seen on screen) and resumed (the user switch to the second fragment), the app crashes and the debugger