Java Code Examples for androidx.fragment.app.Fragment#getView()

public boolean popAllFloatingFragments() {
    Fragment f = getCurrentFragment();
    boolean success = false;
    while (fragmentManager.getBackStackEntryCount() > 0 &&
            f.getView() != null &&
            f.getView().getParent() != null &&
            (R.id.floating == ((ViewGroup) f.getView().getParent()).getId()))
    {
        try {
            fragmentManager.popBackStackImmediate();
            f = getCurrentFragment();
            success = true;
        } catch (Exception e) {
            logger.error("An error occurred popping all floating fragments.", e);
            return false;
        }
    }

    return success;
}
 

private YouTubeBaseFragment removeCurrentYouTubeFragment() {
    FragmentManager fragmentManager = fragment.getChildFragmentManager();
    Fragment youTubeFragment = fragmentManager.findFragmentByTag(TAG);
    YouTubeBaseFragment youTubeBaseFragment = null;
    if (youTubeFragment instanceof YouTubeBaseFragment) {
        youTubeBaseFragment = (YouTubeBaseFragment) youTubeFragment;
        View fragmentView = youTubeFragment.getView();
        ViewParent parentView = null != fragmentView ? fragmentView.getParent() : null;
        youTubeBaseFragment.release();
        fragmentManager.beginTransaction().remove(youTubeFragment).commitAllowingStateLoss();
        fragmentManager.executePendingTransactions();
        if (parentView instanceof View && ((View) parentView).getId() == R.id.youtubeFragmentContainer) {
            ((View) parentView).setId(0);
        }
    }
    return youTubeBaseFragment;
}
 

@Override
public void onUpOrCancelMotionEvent(final ObservableScrollState scrollState) {
    if (!mScrolled) {
        // This event can be used only when TouchInterceptionFrameLayout
        // doesn't handle the consecutive events.
        // toolbarAdjustment(scrollState);
        mBaseTranslationY = 0;

        final Fragment fragment = getCurrentFragment();
        if (fragment == null) {
            return;
        }
        View view = fragment.getView();
        if (view == null) {
            return;
        }
        //    toolbarAdjustment(mLastScrollState, view);
    }
}
 

public void execute(final Fragment fragment, @NonNull Bundle args, @NonNull String name) {
    try {
        if (fragment.getView() != null || fragment instanceof FragmentDialogBase)
            run(fragment.getContext(), fragment.getViewLifecycleOwner(), args, name);
    } catch (IllegalStateException ex) {
        Log.e(ex);
    }
}
 

@Override
public void onFragmentViewDestroyed(FragmentManager fm, Fragment fragment) {
  View view = fragment.getView();
  if (view != null) {
    refWatcher.watch(view);
  }
}
 

static boolean isFragmentDestroyed(Fragment fragment) {
  return fragment.isRemoving()
      || fragment.getActivity() == null
      || fragment.isDetached()
      || !fragment.isAdded()
      || fragment.getView() == null;
}
 

private Scrollable getCurrentScrollable() {
    Fragment fragment = getCurrentFragment();
    if (fragment == null) {
        return null;
    }
    View view = fragment.getView();
    if (view == null) {
        return null;
    }
    return viewscrollable(view);
}
 

private void propagateToolbarState(boolean isShown) {
    final int toolbarHeight = headerBanner.getHeight();
    // Set scrollY for the fragments that are not created yet
    mPagerAdapter.setScrollY(isShown ? 0 : toolbarHeight);

    // Set scrollY for the active fragments
    for (int i = 0; i < mPagerAdapter.getCount(); i++) {
        // Skip current item
        if (i == mPager.getCurrentItem()) {
            continue;
        }
        // Skip destroyed or not created item
        Fragment f = mPagerAdapter.getItemAt(i);
        if (f == null) {
            continue;
        }
        View view = f.getView();
        if (view == null) {
            continue;
        }

        if (view.findViewById(R.id.scroll) instanceof UltimateRecyclerView) {
            UltimateRecyclerView listView = (UltimateRecyclerView) viewscrollable(view);
            if (isShown) {
                // Scroll up
                if (0 < listView.getCurrentScrollY()) {
                    // listView.setSelection(0);
                    Log.d(FRAGMENT_TAG, "up");
                }
            } else {
                // Scroll down (to hide padding)
                if (listView.getCurrentScrollY() < toolbarHeight) {
                    //listView.setSelection(1);
                    Log.d(FRAGMENT_TAG, "down");
                }
            }
        }

    }
}
 

public static boolean isVisible(@NonNull Fragment fragment) {
    View root = fragment.getView();
    return root != null && root.getGlobalVisibleRect(new Rect());
}
 

public static void measureFragmentV4DidDraw(final Fragment fragment, final OnDrawCallback onDrawCallback) {
    View view = fragment.getView();
    if (view != null) {
        measurePageDidDraw(view, onDrawCallback);
    }
}
 

/**
 * 获取 SnackbarUtils 对象
 * @param fragment {@link Fragment}
 * @return {@link SnackbarUtils}
 */
public static SnackbarUtils with(final Fragment fragment) {
    return new SnackbarUtils((fragment != null) ? fragment.getView() : null);
}