fragmentpageradapter

问题 I am using a viewpager to load youtube videos which using FragmentPagerAdapter to feed Youtube fragment to the viewpager. The problem i am having is that the first youtube video loads and the rest does'nt. Here is the method in my HomeFragment that creates the viewpager public void setupUI(View view) { // viewPager = (ViewPager) findViewById(R.id.pager); viewpager = (ViewPager) view.findViewById(R.id.pager); pager_adapter = new ViewPagerAdapter(getActivity(),rank,country,population,flag);

问题 public class SectionsPagerAdapter extends FragmentPagerAdapter { public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int i) { Fragment fragment = new DummySectionFragment(); Bundle args = new Bundle(); args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, i + 1); fragment.setArguments(args); return fragment; } @Override public int getCount() { return 3; } @Override public CharSequence getPageTitle(int position) { switch (position) { case 0: return

问题 I have one activity that comprises of three fragments. The fragments use the actionbar tabs using a PagerAdapter. What I want to do is access a method in the active tabbed fragment from the main activity. I have tried the below code but this just returns the fragment as null, so I guess it cant find it within the tabs! NPListFragment articleFrag = (NPListFragment) getSupportFragmentManager().findFragmentByTag("NP"); articleFrag.refreshT(); PagerAdapter: public class AppSectionsPagerAdapter

问题 I have a problem with the FragmentPagerAdapter . I can not save the state of the Fragment and then there is the view that within the Fragment . Whenever I use the swipe left and right , the Fragment is recreated by overriding the method getItem ( int position ) in the static class that extends the FragmentPagerAdapter . public static class GraphicsCollectionPagerAdapter extends FragmentPagerAdapter { final int NUM_ITEMS = 3; // number of tabs public GraphicsCollectionPagerAdapter

问题 onCreateView for my first fragment in the FragmentPagerAdapter is not very quick. So, changing curent tab to the first has a delay. How to disable recreate first Fragment in FragmentPagerAdapter on tab Selected? private class TabsAdapter extends FragmentPagerAdapter implements ViewPager.OnPageChangeListener, ActionBar.TabListener { private final Context context; private ActionBar bar; private final ViewPager viewPager; private final ArrayList<TabInfo> tabs = new ArrayList<TabInfo>(); final

问题 I am new to android and I am stuck at particular section of the app which I am working on. The problem is - I want to navigate to the second tab of HomePageActivity when I perform onClickListener event on createEvent button in my SecondActivity . I tried using solution from various threads here and on other sites too but I was still not able to get my code running. I also have RecyclerView on HomePageActivity which is to be populated based on the click event. Here is the code snippet from

问题 the title pretty much explains it. I have horizontal scrolling set up, the first screen has buttons to the other Fragments as well as the whole horizontal scroll system. What I would like is for the user to be able to press the back button when on one of these fragments and for the app to return to the first screen with all the buttons. From there I want the back button to be an AlertDialog asking the user if they would like to exit the app. At the moment this is what is happening (On all

问题 this is my code about swipe between 6 fragments ,, i want to do an event when i swipe from one fragment to the other as loading some thing from internet ,, so please any help how can i do this ???,, and where can i put the code ,, i think about the progress dialog start it at function get title and cancel it at the beginning of the fragment is it applicable?? this is my code : package com.example.my_finalswipe; import java.util.List; import java.util.Locale; import java.util.Vector; import

问题 I have found topics with similar questions like mine but cant find the answer I am looking for so far. my application consists of a FragmentActivity which hosts a ViewPagerAdapter (child of FragmentPagerAdapter) with a fragment in each tab. My ViewPagerAdapter is instantiated in the OnCreateView function of the parent activity _adapter = new ViewPagerAdapter(getApplicationContext() , getSupportFragmentManager() , numOfTabs , status); The ViewPagerAdapter implements the minimum required

问题 I have a ViewPager set up that is drawing the data for its pages (views) from data passed down from a server. On occasion, the server will send down new data that will re-order the views (and sometimes add new views) and I need to make that happen seamlessly on my android device while the user is currently viewing a particular fragment. I have it set to call notifyDataSetChanged() when the new data is pulled down from the server, but that seems to keep a cached version of the slides to the