Code example for Fragment

Methods: isAddedisDetached

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    } 
 
    public boolean isFragmentShown(@Nonnull String fragmentTag) {
        final FragmentManager fm = activity.getSupportFragmentManager();
        final Fragment fragment = fm.findFragmentByTag(fragmentTag);
        if ( fragment != null && fragment.isAdded() && !fragment.isDetached() ){
            return true; 
        } else { 
            return false; 
        } 
    } 
 
    @Nullable 
    public <F extends Fragment> F getFragment(@Nonnull String fragmentTag) {
        final FragmentManager fm = activity.getSupportFragmentManager();
        return (F) fm.findFragmentByTag(fragmentTag);
    } 
 
    protected void emptifyFragmentPane(int paneViewId) {
        setFragment(paneViewId, createEmptyMultiPaneFragmentDef(paneViewId));
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