Example usage for android.view ViewGroup getChildCount

Introduction

In this page you can find the example usage for android.view ViewGroup getChildCount.

Prototype

public int getChildCount()

Source Link

Document

Returns the number of children in the group.

Usage

From source file:io.github.prefanatic.cleantap.util.AnimUtils.java

public static void showChildren(ViewGroup group) {
    FastOutLinearInInterpolator interpolator = new FastOutLinearInInterpolator();

    for (int i = 0; i < group.getChildCount(); i++) {
        View view = group.getChildAt(i);

        view.setTranslationY(view.getHeight() / 3);
        view.setAlpha(0f);//from ww w.j  a  v  a 2 s  . c  o  m
        view.animate().alpha(1f).translationY(0f).setStartDelay(0L).setDuration(150L)
                //.setInterpolator(interpolator)
                .start();

    }
}

From source file:android.support.transition.ViewOverlay.java

public static ViewOverlay createFrom(View view) {
    ViewGroup contentView = getContentView(view);
    if (contentView != null) {
        final int numChildren = contentView.getChildCount();
        for (int i = 0; i < numChildren; ++i) {
            View child = contentView.getChildAt(i);
            if (child instanceof OverlayViewGroup) {
                return ((OverlayViewGroup) child).mViewOverlay;
            }/*from  ww w  .j  a v a2 s  . co m*/
        }
        return new ViewGroupOverlay(contentView.getContext(), contentView, view);
    }
    return null;
}

From source file:dev.drsoran.moloko.util.UIUtils.java

public final static int getTaggedViewPos(ViewGroup container, String tag) {
    int pos = -1;

    for (int i = 0, cnt = container.getChildCount(); i < cnt && pos == -1; ++i) {
        if (tag.equals(container.getChildAt(i).getTag()))
            pos = i;/* www  .  java  2 s  .co m*/
    }

    return pos;
}

From source file:com.google.android.apps.common.testing.accessibility.framework.ViewAccessibilityUtils.java

/**
 * Determines if the supplied {@link View} has child view(s) which are not independently
 * accessibility focusable and also have a spoken description. Put another way, this method
 * determines if {@code view} has at least one child which should be included in {@code view}'s
 * spoken description if {@code view} were to be accessibility focused.
 *
 * @param view The {@link View} to evaluate
 * @return {@code true} if {@code view} has non-actionable speaking children within its subtree
 *//* w  w  w .  j av a 2s  . co  m*/
private static boolean hasNonActionableSpeakingChildren(View view) {
    if ((view == null) || !(view instanceof ViewGroup)) {
        return false;
    }

    ViewGroup group = (ViewGroup) view;
    for (int i = 0; i < group.getChildCount(); ++i) {
        View child = group.getChildAt(i);
        if ((child == null) || (child.getVisibility() != View.VISIBLE) || isAccessibilityFocusable(child)) {
            continue;
        }

        if (isImportantForAccessibility(child) && isSpeakingView(child)) {
            return true;
        }
    }

    return false;
}

From source file:com.facebook.appevents.codeless.internal.ViewHierarchy.java

public static List<View> getChildrenOfView(View view) {
    ArrayList<View> children = new ArrayList<>();

    if (view != null && view instanceof ViewGroup) {
        ViewGroup viewGroup = (ViewGroup) view;
        int count = viewGroup.getChildCount();
        for (int i = 0; i < count; i++) {
            children.add(viewGroup.getChildAt(i));
        }//from   w  w w  .j  a v  a  2 s  . c o  m
    }

    return children;
}

From source file:com.google.android.apps.common.testing.accessibility.framework.ViewAccessibilityUtils.java

private static View lookForLabelForViewInViewAndChildren(View view, View childToSkip, int idToFind) {
    if (view.getLabelFor() == idToFind) {
        return view;
    }//from w  w w . ja  va 2  s.c  om
    if (!(view instanceof ViewGroup)) {
        return null;
    }
    ViewGroup viewGroup = (ViewGroup) view;
    for (int i = 0; i < viewGroup.getChildCount(); ++i) {
        View child = viewGroup.getChildAt(i);
        if (!child.equals(childToSkip)) {
            View labelingView = lookForLabelForViewInViewAndChildren(child, null, idToFind);
            if (labelingView != null) {
                return labelingView;
            }
        }
    }
    return null;
}

From source file:com.google.android.apps.common.testing.accessibility.framework.ViewAccessibilityUtils.java

/**
 * Add all children in the view tree rooted at rootView to a set
 *
 * @param rootView The root of the view tree desired
 * @param theSet The set to add views to
 *//*from   w  ww . ja  v a  2  s .co m*/
private static void addAllChildrenToSet(View rootView, Set<View> theSet) {
    if (!(rootView instanceof ViewGroup)) {
        return;
    }

    ViewGroup rootViewGroup = (ViewGroup) rootView;
    for (int i = 0; i < rootViewGroup.getChildCount(); ++i) {
        View nextView = rootViewGroup.getChildAt(i);
        theSet.add(nextView);
        addAllChildrenToSet(nextView, theSet);
    }
}

From source file:dev.drsoran.moloko.util.UIUtils.java

public final static void removeTaggedViews(ViewGroup container, String tag) {
    List<View> views = null;

    for (int i = 0, cnt = container.getChildCount(); i < cnt; ++i) {
        final View v = container.getChildAt(i);
        if (v != null && tag.equals(v.getTag())) {
            if (views == null)
                views = new LinkedList<View>();

            views.add(v);/*from   w  w w .  j ava 2s  . co m*/
        }
    }

    if (views != null)
        for (View view : views)
            container.removeView(view);
}

From source file:com.adkdevelopment.earthquakesurvival.utils.Utilities.java

/**
 * Makes sliding from the bottom effect on elements in a RecyclerView.
 * @param context from which call is made.
 * @param viewGroup on which to perform the animation.
 *///from  ww w. j  a va2s .  c om
public static void animateViewsIn(Context context, ViewGroup viewGroup) {
    if (viewGroup != null) {
        int count = viewGroup.getChildCount();
        float offset = context.getResources().getDimensionPixelSize(R.dimen.offset_y);

        Interpolator interpolator;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            interpolator = AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in);
        } else {
            interpolator = AnimationUtils.loadInterpolator(context, android.R.interpolator.linear);
        }

        // loop over the children setting an increasing translation y but the same animation
        // duration + interpolation
        for (int i = 0; i < count; i++) {
            View view = viewGroup.getChildAt(i);
            view.setVisibility(View.VISIBLE);
            view.setTranslationY(offset);
            view.setAlpha(0.85f);
            // then animate back to natural position
            view.animate().translationY(0f).alpha(1f).setInterpolator(interpolator).setDuration(300L).start();
            // increase the offset distance for the next view
            offset *= 1.5f;
        }
    }
}

From source file:com.facebook.litho.utils.IncrementalMountUtils.java

/**
 * Performs incremental mount on the children views of the given ViewGroup.
 * @param scrollingViewParent ViewGroup container of views that will be incrementally mounted.
 * @param force whether the incremental mount should always take place, or only if
 * {@link ComponentsConfiguration.isIncrementalMountOnOffsetOrTranslationChangeEnabled} returns
 * false./*www .  j  a v  a2  s  .c o m*/
 */
public static void performIncrementalMount(ViewGroup scrollingViewParent, boolean force) {
    assertMainThread();

    if (!force && ComponentsConfiguration.isIncrementalMountOnOffsetOrTranslationChangeEnabled) {
        return;
    }

    final int viewGroupWidth = scrollingViewParent.getWidth();
    final int viewGroupHeight = scrollingViewParent.getHeight();
    for (int i = 0; i < scrollingViewParent.getChildCount(); i++) {
        maybePerformIncrementalMountOnView(viewGroupWidth, viewGroupHeight, scrollingViewParent.getChildAt(i));
    }
}