Ah, that makes sense. I knew it might have been related to something with
Fragments I didn't understand as I am new to them. The only thing I'm not
sure if is, I can use findFragmentById to retrieve the MyListFragment, but
the MyDetailFragment would have the same id, with a different argument,
wouldn't it. Would I have to use findFragmentByTag, instead?
On Saturday, February 9, 2013 2:33:13 PM UTC-5, FiltrSoft wrote:
>
> I'm having some issue with using a ViewPager and two different layouts for
> my app. My app has a listing and details view. When the device is in
> potrait, I'm using a ViewPager, where the user can swipe between the
> different detail views and when the device is in landscape, I'm showing
> both view on the screen. The issue I'm having is when the device is
> rotated from portait to landscape, the menu items in the Actionbar are
> duplicating and each time I rotate from portrait to landscape, they
> duplicate over and over so the entire Actionbar is full of icons. When I
> put a breakpoint in onCreateOptionsMenu, the breakpoint is hit over and
> over and over when the device is rotated. This is the applicable code:
>
> *Starting activity:*
>
> public class Main extends SherlockFragmentActivity {
> private static List<Fragment> fragments;
>
> @Override
> public void onCreate(final Bundle icicle)
> {
> setContentView(R.layout.main);
> }
>
> @Override
> public void onResume()
> {
> mViewPager = (ViewPager)findViewById(R.id.viewpager);
>
> if (mViewPager != null) //landscape layout doesn't user a viewpager
> {
> fragments = new ArrayList<Fragment>();
>
> fragments.add(new MyListFragment()); //fragment with the
> ListView
>
> fragments.add(MyDetailFragment.newInstance(0));
> fragments.add(MyDetailFragment.newInstance(1));
> fragments.add(MyDetailFragment.newInstance(2));
>
> mMyFragmentPagerAdapter = new
> MyFragmentPagerAdapter(getSupportFragmentManager());
> mViewPager.setAdapter(mMyFragmentPagerAdapter);
> }
> }
>
> private static class MyFragmentPagerAdapter extends
> FragmentStatePagerAdapter {
>
> public MyFragmentPagerAdapter(FragmentManager fm) {
> super(fm);
> }
>
> @Override
> public Fragment getItem(int index) {
> return fragments.get(index);
> }
>
> @Override
> public int getCount() {
> return 4;
> }
>
> @Override
> public int getItemPosition(Object object) {
> return POSITION_NONE;
> }
> }
> }
>
> *Main Layout (portrait):*
>
> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android";
> android:orientation="vertical"
> android:layout_height="fill_parent"
> android:layout_width="fill_parent"
> >
>
> <android.support.v4.view.ViewPager
> android:id="@+id/viewpager"
> android:layout_height="match_parent"
> android:layout_width="match_parent"
> />
>
> </RelativeLayout>
>
>
> *Main Layout (landscape):*
>
> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android";
> android:orientation="horizontal"
> android:layout_height="fill_parent"
> android:layout_width="fill_parent"
> android:weightSum="3"
> >
> <fragment android:name="com.app.MyListFragment"
> android:id="@+id/fragmentList"
> android:layout_weight="1"
> android:layout_width="0dp"
> android:layout_height="fill_parent"
> />
>
> <fragment android:name="com.app.MyDetailFragment"
> android:id="@+id/fragmentDetail"
> android:layout_width="0dp"
> android:layout_weight="2"
> android:layout_height="fill_parent"
> />
>
> </LinearLayout>
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