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drl115/ViewPagerUtils.java

Forked from ikew0ng/ViewPagerUtils.java
Created October 8, 2016 06:26
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Revisions

  1. Issacw0ng revised this gist May 8, 2014. No changes.
  2. Issacw0ng revised this gist May 8, 2014. No changes.
  3. Issacw0ng revised this gist May 8, 2014. 1 changed file with 32 additions and 18 deletions.
    50 changes: 32 additions & 18 deletions ViewPagerUtils.java
    View file
    Original file line number Diff line number Diff line change
    @@ -1,27 +1,41 @@
    package me.imid.common.utils;

    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.app.FragmentStatePagerAdapter;
    import android.support.v4.view.ViewPager;

    /**
    * Created by Issac on 10/1/13.
    * Created by Chaojun Wang on 5/6/14.
    */
    public class ViewPagerUtils {
    /**
    * Find fragment in certain position of viewpager
    *
    * @param fragmentManager
    * @param viewPager
    * @param position
    * @return The Fragment if found or null otherwise.
    */
    public static Fragment findFragment(FragmentManager fragmentManager, ViewPager viewPager,
    long position) {
    return fragmentManager.findFragmentByTag(makeFragmentName(viewPager.getId(), position));
    }
    private ViewPagerUtils() {}

    /**
    * Find fragment in certain position of viewpager.
    *
    * @param fragmentManager
    * @param viewPager
    * @param position
    * @return The Fragment if found or null otherwise.
    */
    public static Fragment findFragment(FragmentManager fragmentManager, ViewPager viewPager,
    int position) {
    return fragmentManager.findFragmentByTag(makeFragmentName(viewPager.getId(), position));
    }

    private static String makeFragmentName(long viewPagerId, int position) {
    return "android:switcher:" + viewPagerId + ":" + position;
    }

    private static String makeFragmentName(long viewPagerId, long position) {
    return "android:switcher:" + viewPagerId + ":" + position;
    }
    /**
    * Find fragment in certain position of viewpager.
    *
    * @param adapter {@link android.support.v4.app.FragmentStatePagerAdapter} of this ViewPager
    * @param viewPager
    * @param position
    * @return The Fragment if found or null otherwise.
    */
    public static Object findFragment(FragmentStatePagerAdapter adapter, ViewPager viewPager,
    int position) {
    return adapter.instantiateItem(viewPager, position);
    }
    }
  4. Issacw0ng created this gist Oct 1, 2013.
    27 changes: 27 additions & 0 deletions ViewPagerUtils.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,27 @@
    package me.imid.common.utils;

    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.view.ViewPager;

    /**
    * Created by Issac on 10/1/13.
    */
    public class ViewPagerUtils {
    /**
    * Find fragment in certain position of viewpager
    *
    * @param fragmentManager
    * @param viewPager
    * @param position
    * @return The Fragment if found or null otherwise.
    */
    public static Fragment findFragment(FragmentManager fragmentManager, ViewPager viewPager,
    long position) {
    return fragmentManager.findFragmentByTag(makeFragmentName(viewPager.getId(), position));
    }

    private static String makeFragmentName(long viewPagerId, long position) {
    return "android:switcher:" + viewPagerId + ":" + position;
    }
    }