android-pageradapter

How to add a tab to SlidingTabLayout?

落花浮王杯 提交于 2020-01-03 02:29:06
问题 I am using google's SlidingTabLayout in my view, but i want to add dynamically new tabs to it. I'm using this http://developer.android.com/samples/SlidingTabsBasic/src/com.example.android.common/view/SlidingTabLayout.html This is my code which initialize it: // Create the adapter that will return a fragment for each of the three // primary sections of the activity. mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); //this ^ is a FragmentStatePagerAdapter // Set up

Save State and Restore State in FragmentStatePagerAdapter

隐身守侯 提交于 2020-01-01 05:27:08
问题 I a using ViewPager with FragmentStatePageAdapter on my screen I have 5 pages which has lots of images and views. Currently I have mViewPager.setOffscreenPageLimit(1); so only current, previous and next will be in memory and other 2 will be destroyed. But for that destroyed fragments I want to make use of saveState() and restoreState() of the adapter to maintain its state so when I come back to that screen it will anyways go to onCreateView() of that fragment what will maintain state also.

Android Fragment Pager and Custom Page Indicator( ViewPagerIndicator created by Jake Wharton)

好久不见. 提交于 2019-12-29 08:45:09
问题 I am using ViewPageIndicator for developing a pager view with its indicator MyCode Activity public class Pager extends Activity{ private MyPagerAdapter mAdapter; private ViewPager mPager; private CirclePageIndicator mIndicator; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_pager); mAdapter=new MyPagerAdapter(getApplicationContext()); mPager = (ViewPager)findViewById(R.id.pager); mPager.setAdapter(mAdapter);

Android / Java - Updating listArray to call View in adapter

青春壹個敷衍的年華 提交于 2019-12-25 02:33:09
问题 I'm attempting to implement a viewPager which will allow me to change the Youtube playlist ( String PLAYLIST ) depending on the position of the ViewPager. I was told in another StackOverflow post I need to: "update the listArray prior to calling 'notifyDataSetChanged()'. The call to notify is the signal to update the View in the adapter you are using. In your code, the getYouTube... needs to update and array object that the adapter has a reference to. You should be able to get it by

ViewPager.SimpleOnPageChangeListener Does Not Function

安稳与你 提交于 2019-12-24 14:28:14
问题 I have a ViewPager / PagerAdapter which should allow me to swipe through a series of footer images in order to change the station (by changing the string PLAYLIST): ...however when I swipe through the images - nothing seems to happen. Any suggestions are greatly appreciated! SOURCE: public class Home extends YouTubeBaseActivity implements VideoClickListener { private VideosListView listView; private ActionBarDrawerToggle actionBarDrawerToggle; public static final String API_KEY =

Fragments being inflated with old data, when going back to an activity that was stopped

老子叫甜甜 提交于 2019-12-23 12:32:49
问题 Activity A has fragments. When it starts an intent to activity B, then when B.finish() , A executes onCreate() again. But this time, even though A.onCreate() has a new PacksPagerAdapter and a new ViewPager , the fragments are shown with old data. I can see that that onCreateView() is executed for each fragment, but it still has the old arguments since the static newInstance() wasn't called. Arguments are created when FragmentPagerAdapter's getItem(position) is called. Here's how it's

Get Fragment by Tag

限于喜欢 提交于 2019-12-22 08:35:15
问题 I am using a FragmentPagerAdapter to create a multi-pages UI with different fragments. What I want to do is to find the Fragment using the position of the Fragment. I have applied the method of finding the nametag of fragments and use .FindFragmentbyTag() but the .FindFragmentbyTag always return me null value. The structure seems to be correct so I am not sure why I get null values, please look through and help is appreciated. Here is the code MainActivity.java public void onCreate(Bundle

Showing specified page when view pager is first created

余生颓废 提交于 2019-12-21 02:57:17
问题 I have a fragment that contains a ViewPager . This ViewPager is backed by a PagerAdapter that uses a Cursor . The cursor is managed by LoaderCallbacks . I'm using the v4 support libraries here. What I want is to create the fragment and have the view pager showing a specified page, rather than starting at page 0. I know that ViewPager has a setCurrentItem() method, but the data may not yet be loaded when the ViewPager is created. What I need is to listen to the adapter for data set changes,

Send data between fragments in a pagerAdapter

吃可爱长大的小学妹 提交于 2019-12-20 04:13:50
问题 Hello I am trying to send data between two fragments, (armarFragment to cocinaFragment) but I dont know how do it, because both are in the same Activity (tabsActivity) which implements a pagerAdaptar to show diferents fragments. Here I put my code. Thanks. tabsActivity.java (inside you can found the class pagerAdapter). public class tabsActivity extends AppCompatActivity { public MyFragmentPagerAdapter myFragmentPagerAdapter; @Override protected void onCreate(Bundle savedInstanceState) {

How do I implement view recycling mechanism for PagerAdapter?

心不动则不痛 提交于 2019-12-17 18:16:03
问题 I have a pager adapter that suppose to inflate a complex view representing a calendar. It takes around ~350 ms to inflate each year of the calendar. To improve performance I would like to implement the same mechanism that exists in the ListView array adapter of recycling views ( convertView parameter in getView() ). Here is my current getView() from the adapter. @Override protected View getView(VerticalViewPager pager, final DateTileGrid currentDataItem, int position) { mInflater =