Java Code Examples for android.support.design.widget.CoordinatorLayout#findViewById()

/**
 * 初始化数据
 * @param parent
 * @param child
 * @param dependency
 */
private void init(CoordinatorLayout parent, CircleImageView child, View dependency) {
    if (mStartAvatarY == 0) {
        mStartAvatarY = child.getY();
    }
    if (mStartDependencyY == 0) {
        mStartDependencyY = dependency.getY();
    }
    if (mStartAvatarX == 0) {
        mStartAvatarX = child.getX();
    }

    if (mAvatarMaxHeight == 0) {
        mAvatarMaxHeight = child.getHeight();
    }
    if (mToolBarHeight == 0) {
        Toolbar toolbar = (Toolbar) parent.findViewById(R.id.user_toolbar);
        mToolBarHeight = toolbar.getHeight();
    }
}
 

@CallSuper
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    view = inflater.inflate(R.layout.fragment_base, container, false);
    //Осторожно! Чувствительно к структуре разметки! (по идеи так должно работать чуть быстрее)
    fragmentContainer = (RelativeLayout) findViewById(R.id.fragment_container);
    coordinatorLayout = (CoordinatorLayout) fragmentContainer.findViewById(R.id.coordinator_layout);
    appBarLayout = (AppBarLayout) coordinatorLayout.findViewById(R.id.appbar_layout);
    toolbarLayout = (CollapsingToolbarLayout) appBarLayout.findViewById(R.id.toolbar_layout);
    toolbarBackground = (ImageView) toolbarLayout.findViewById(R.id.toolbar_image_background);
    toolbar = (Toolbar) toolbarLayout.findViewById(R.id.toolbar);
    toolbarImageView = (ImageView) toolbar.findViewById(R.id.toolbar_image_icon);
    toolbarTitleView = (TextView) toolbar.findViewById(R.id.toolbar_title);
    toolbarSubtitleView = (TextView) toolbar.findViewById(R.id.toolbar_subtitle);
    toolbarProgress = (ProgressBar) toolbar.findViewById(R.id.toolbar_progress);
    titlesWrapper = (LinearLayout) toolbar.findViewById(R.id.toolbar_titles_wrapper);
    toolbarSpinner = (Spinner) toolbar.findViewById(R.id.toolbar_spinner);
    notifyDot = findViewById(R.id.notify_dot);
    fragmentContent = (ViewGroup) coordinatorLayout.findViewById(R.id.fragment_content);
    additionalContent = (ViewGroup) coordinatorLayout.findViewById(R.id.additional_content);
    contentProgress = (ProgressBar) additionalContent.findViewById(R.id.content_progress);
    noNetwork = (LinearLayout) coordinatorLayout.findViewById(R.id.no_network);
    //// TODO: 20.03.17 удалить и юзать только там, где нужно
    fab = (FloatingActionButton) coordinatorLayout.findViewById(R.id.fab);
    contentController = new ContentController(contentProgress, additionalContent, fragmentContent);
    return view;
}
 

@Override public boolean onDependentViewChanged(final CoordinatorLayout parent, final FloatingActionButton child, final View dependency) {
	// Block parent behavior for SnackBar if bottom sheet is visible
	if (dependency instanceof Snackbar.SnackbarLayout) {
		final ViewGroup.LayoutParams fab_general_params = child.getLayoutParams();
		if (fab_general_params instanceof CoordinatorLayout.LayoutParams) {
			final CoordinatorLayout.LayoutParams fab_params = ((CoordinatorLayout.LayoutParams) fab_general_params);
			final int anchor_id = fab_params.getAnchorId();
			if (anchor_id != 0) {
				final View anchor = parent.findViewById(anchor_id);
				if (anchor != null && anchor.getVisibility() == View.VISIBLE) return false;
			}
		}
	}
	return super.onDependentViewChanged(parent, child, dependency);
}
 

@SuppressLint("NewApi")
@Override
public void onNestedPreScroll(CoordinatorLayout coordinatorLayout, View child, View target, int dx, int dy, int[] consumed) throws NullPointerException {
    //count index starts from 1 where as position starts from 0, thus difference 1
    //we have 2 loading layouts one at top and another at bottom of the messages which should be ignored
    //resulting in a overall difference of 3
    if (linearLayoutManager.findLastCompletelyVisibleItemPosition() < adapter.getItemCount() - 3) {
        if (dy > 0 && changeInYDir < 0 || dy < 0 && changeInYDir > 0) {
            child.animate().cancel();
            changeInYDir = 0;
        }

        changeInYDir += dy;
        if ((changeInYDir > toolbarHeight && child.getVisibility() == View.VISIBLE) && (!isViewHidden || isTopSnackBar(child)))
            hideView(child);
        else if (changeInYDir < 0 && (child.getVisibility() == View.GONE && !mIsShowing) || isTopSnackBar(child)) {
            if (child instanceof FloatingActionButton) {
                if (chatBox == null)
                    chatBox = coordinatorLayout.findViewById(R.id.messageBoxContainer);
                if (chatBox.getVisibility() == View.VISIBLE) {
                    return;
                }
            }
            showView(child);
        }
    }
}
 

@Override
public void onNestedScroll(CoordinatorLayout coordinatorLayout, FloatingActionButton child, View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) {
    super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);

    if (child.getTag() == null) {
        return;
    }

    // try to get the current page, if there's any.
    View view = coordinatorLayout;
    ViewPager viewPager = (ViewPager) coordinatorLayout.findViewById(R.id.viewPager);
    if (viewPager != null && viewPager.getAdapter() instanceof FragmentAdapter) {
        int currentPage = viewPager.getCurrentItem();
        FragmentAdapter pagerAdapter = (FragmentAdapter) viewPager.getAdapter();

        Fragment currentItem = pagerAdapter.getItem(currentPage);

        view = currentItem.getView();
    }

    if (view == null) {
        // We do not have a view we can immediately find.
        child.hide();
        return;
    }

    // Hide if we're over the first item
    RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.list);
    if (recyclerView != null && recyclerView.getLayoutManager() instanceof LinearLayoutManager) {
        LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
        if (layoutManager.findFirstVisibleItemPosition() == 0) {
            child.hide();
        } else if (dyConsumed > 1 && child.getVisibility() == View.VISIBLE)
            child.hide();
        else if (dyConsumed < 1 && child.getVisibility() != View.VISIBLE)
            child.show();
    } else {
        // no recyclerview to attach to?
        child.hide();
    }
}