Example usage for android.view View IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE

Introduction

In this page you can find the example usage for android.view View IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS.

Prototype

int IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS

To view the source code for android.view View IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS.

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Document

The view is not important for accessibility, nor are any of its descendant views.

Usage

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

/**
 * @see View#isImportantForAccessibility()
 *//*w w w  .j av  a2s .c om*/
public static boolean isImportantForAccessibility(View view) {
    if (view == null) {
        return false;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        return view.isImportantForAccessibility();
    } else {
        // On earlier APIs, we must piece together accessibility importance from the available
        // properties. We return false incorrectly for some cases where unretrievable listeners
        // prevent us from determining importance.

        // If the developer marked the view as explicitly not important, it isn't.
        int mode = view.getImportantForAccessibility();
        if ((mode == View.IMPORTANT_FOR_ACCESSIBILITY_NO)
                || (mode == View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS)) {
            return false;
        }

        // No parent view can be hiding us. (APIs 19 to 21)
        ViewParent parent = view.getParent();
        while (parent instanceof View) {
            if (((View) parent)
                    .getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS) {
                return false;
            }
            parent = parent.getParent();
        }

        // Interrogate the view's other properties to determine importance.
        return (mode == View.IMPORTANT_FOR_ACCESSIBILITY_YES) || isActionableForAccessibility(view)
                || hasListenersForAccessibility(view) || (view.getAccessibilityNodeProvider() != null)
                || (ViewCompat.getAccessibilityLiveRegion(view) != ViewCompat.ACCESSIBILITY_LIVE_REGION_NONE);
    }
}

From source file:org.chromium.chrome.browser.autofill.CardUnmaskPrompt.java

/**
 * Updates the verification overlay and main contents such that the overlay has |visibility|.
 * @param visibility A View visibility enumeration value.
 */// w w  w .  jav a 2 s  .c  om
private void setOverlayVisibility(int visibility) {
    mVerificationOverlay.setVisibility(visibility);
    mControlsContainer.setAlpha(1f);
    boolean contentsShowing = visibility == View.GONE;
    if (!contentsShowing) {
        int durationMs = 250;
        mVerificationOverlay.setAlpha(0f);
        mVerificationOverlay.animate().alpha(1f).setDuration(durationMs);
        mControlsContainer.animate().alpha(0f).setDuration(durationMs);
    }
    ViewCompat.setImportantForAccessibility(mControlsContainer,
            contentsShowing ? View.IMPORTANT_FOR_ACCESSIBILITY_AUTO
                    : View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
    mControlsContainer.setDescendantFocusability(
            contentsShowing ? ViewGroup.FOCUS_BEFORE_DESCENDANTS : ViewGroup.FOCUS_BLOCK_DESCENDANTS);
}

From source file:com.klinker.android.launcher.launcher3.Launcher.java

public boolean setLauncherCallbacks(LauncherCallbacks callbacks) {
    mLauncherCallbacks = callbacks;/*  w w w. j av a 2 s .c o  m*/
    mLauncherCallbacks.setLauncherSearchCallback(new Launcher.LauncherSearchCallbacks() {
        private boolean mWorkspaceImportanceStored = false;
        private boolean mHotseatImportanceStored = false;
        private int mWorkspaceImportanceForAccessibility = View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;
        private int mHotseatImportanceForAccessibility = View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;

        @Override
        public void onSearchOverlayOpened() {
            if (mWorkspaceImportanceStored || mHotseatImportanceStored) {
                return;
            }
            // The underlying workspace and hotseat are temporarily suppressed by the search
            // overlay. So they sholudn't be accessible.
            if (mWorkspace != null) {
                mWorkspaceImportanceForAccessibility = mWorkspace.getImportantForAccessibility();
                mWorkspace.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
                mWorkspaceImportanceStored = true;
            }
            if (mHotseat != null) {
                mHotseatImportanceForAccessibility = mHotseat.getImportantForAccessibility();
                mHotseat.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
                mHotseatImportanceStored = true;
            }
        }

        @Override
        public void onSearchOverlayClosed() {
            if (mWorkspaceImportanceStored && mWorkspace != null) {
                mWorkspace.setImportantForAccessibility(mWorkspaceImportanceForAccessibility);
            }
            if (mHotseatImportanceStored && mHotseat != null) {
                mHotseat.setImportantForAccessibility(mHotseatImportanceForAccessibility);
            }
            mWorkspaceImportanceStored = false;
            mHotseatImportanceStored = false;
        }
    });
    return true;
}

From source file:com.android.launcher3.Launcher.java

public boolean setLauncherCallbacks(LauncherCallbacks callbacks) {
    mLauncherCallbacks = callbacks;/*from   w w w.j a v  a2s.  c  o m*/
    mLauncherCallbacks.setLauncherSearchCallback(new Launcher.LauncherSearchCallbacks() {
        private boolean mWorkspaceImportanceStored = false;
        private boolean mHotseatImportanceStored = false;
        private int mWorkspaceImportanceForAccessibility = View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;
        private int mHotseatImportanceForAccessibility = View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;

        @Override
        public void onSearchOverlayOpened() {
            if (mWorkspaceImportanceStored || mHotseatImportanceStored) {
                return;
            }
            // The underlying workspace and hotseat are temporarily suppressed by the search
            // overlay. So they shouldn't be accessible.
            if (mWorkspace != null) {
                mWorkspaceImportanceForAccessibility = mWorkspace.getImportantForAccessibility();
                mWorkspace.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
                mWorkspaceImportanceStored = true;
            }
            if (mHotseat != null) {
                mHotseatImportanceForAccessibility = mHotseat.getImportantForAccessibility();
                mHotseat.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
                mHotseatImportanceStored = true;
            }
        }

        @Override
        public void onSearchOverlayClosed() {
            if (mWorkspaceImportanceStored && mWorkspace != null) {
                mWorkspace.setImportantForAccessibility(mWorkspaceImportanceForAccessibility);
            }
            if (mHotseatImportanceStored && mHotseat != null) {
                mHotseat.setImportantForAccessibility(mHotseatImportanceForAccessibility);
            }
            mWorkspaceImportanceStored = false;
            mHotseatImportanceStored = false;
        }
    });
    return true;
}

From source file:android.support.wear.widget.drawer.WearableDrawerLayout.java

private void allowAccessibilityFocusOnOnly(WearableDrawerView drawer) {
    if (!mIsAccessibilityEnabled) {
        return;//from w  w  w.j a  v  a2 s  . c o  m
    }

    for (int i = 0; i < getChildCount(); i++) {
        View child = getChildAt(i);
        if (child != drawer) {
            child.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
        }
    }
}

From source file:org.chromium.chrome.browser.tab.Tab.java

/**
 * Update whether or not the current native tab and/or web contents are
 * currently visible (from an accessibility perspective), or whether
 * they're obscured by another view./*from w  ww  .  j  av a2s  .c  om*/
 */
public void updateAccessibilityVisibility() {
    View view = getView();
    if (view != null) {
        int importantForAccessibility = isObscuredByAnotherViewForAccessibility()
                ? View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
                : View.IMPORTANT_FOR_ACCESSIBILITY_YES;
        if (view.getImportantForAccessibility() != importantForAccessibility) {
            view.setImportantForAccessibility(importantForAccessibility);
            view.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
        }
    }

    ContentViewCore cvc = getContentViewCore();
    if (cvc != null) {
        boolean isWebContentObscured = isObscuredByAnotherViewForAccessibility() || isShowingSadTab();
        cvc.setObscuredByAnotherView(isWebContentObscured);
    }
}

Example usage for android.view View IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS

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Prototype

Document

Usage