Example usage for android.view.accessibility AccessibilityNodeInfo ACTION_SCROLL

Introduction

In this page you can find the example usage for android.view.accessibility AccessibilityNodeInfo ACTION_SCROLL_FORWARD.

Prototype

int ACTION_SCROLL_FORWARD

To view the source code for android.view.accessibility AccessibilityNodeInfo ACTION_SCROLL_FORWARD.

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Document

Action to scroll the node content forward.

Usage

From source file:com.tasomaniac.openwith.resolver.ResolverDrawerLayout.java

@SuppressWarnings("deprecation")
@SuppressLint("InlinedApi")
@Override//from   w  w  w . j a  v a  2  s .  co m
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setClassName(ResolverDrawerLayout.class.getName());
    if (isEnabled()) {
        if (mCollapseOffset != 0) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            info.setScrollable(true);
        }
    }
}

From source file:com.tasomaniac.openwith.resolver.ResolverDrawerLayout.java

@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
    if (super.performAccessibilityAction(action, arguments)) {
        return true;
    }/*  w  ww .ja va 2s .  co  m*/

    if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD && mCollapseOffset != 0) {
        smoothScrollTo(0, 0);
        return true;
    }
    return false;
}

From source file:com.google.android.marvin.mytalkback.ProcessorFocusAndSingleTap.java

/**
 * Listens to accessibility actions performed by the parent service.
 *
 * @param action The action performed.//from w w  w  . ja v  a2  s .  c  om
 */
public void onActionPerformed(int action) {
    switch (action) {
    case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
    case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
        setScrollActionImmediately(action);
        break;
    }
}

From source file:cc.flydev.launcher.Page.java

private void sendScrollAccessibilityEvent() {
    AccessibilityManager am = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (am.isEnabled()) {
        AccessibilityEvent ev = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_SCROLLED);
        ev.setItemCount(getChildCount());
        ev.setFromIndex(mCurrentPage);/*w ww  .ja  v  a  2  s  .  co  m*/

        final int action;
        if (getNextPage() >= mCurrentPage) {
            action = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
        } else {
            action = AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
        }

        ev.setAction(action);
        sendAccessibilityEventUnchecked(ev);
    }
}

From source file:com.android.screenspeak.eventprocessor.ProcessorFocusAndSingleTap.java

/**
 * Listens for scroll events./*ww w.j  a va 2 s  . co  m*/
 *
 * @param action The type of scroll event received.
 */
@Override
public void onScroll(AccessibilityNodeInfoCompat scrolledNode, int action) {
    if (scrolledNode == null) {
        clearScrollAction();
    }

    switch (action) {
    case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
    case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
        mLastScrollAction = action;
        if (mActionScrolledNode != null) {
            mActionScrolledNode.recycle();
        }

        if (scrolledNode != null) {
            mActionScrolledNode = AccessibilityNodeInfoCompat.obtain(scrolledNode);
        }
        break;
    }
}

From source file:com.android.yijiang.kzx.widget.betterpickers.radialtimepicker.RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward in the circle.
 *//*from w w w .ja v  a2  s. c o  m*/
@SuppressLint("NewApi")
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

From source file:com.codetroopers.betterpickers.radialtimepicker.RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward in the circle.
 *///from   www  . j  a va  2 s .c  o  m
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

From source file:org.holoeverywhere.widget.datetimepicker.time.RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle./*from w  w  w. ja v  a  2 s  . c om*/
 */
@Override
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

From source file:com.a.mirko.android.datetimepicker.time.RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle.//from   www .j  ava2s.  co  m
 */
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    if (Build.VERSION.SDK_INT >= 14) {
        super.onInitializeAccessibilityNodeInfo(info);
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
}

From source file:com.googlecode.eyesfree.brailleback.DefaultNavigationMode.java

/**
 * Checks if the specified node is suitable for autoscrolling and will
 * try to scroll it if it is./*from  w w  w.  j a v a2s  . c o  m*/
 * Note we might have an issue here when more than one node is on the line
 * or not the whole list item is visible.
 */
private boolean autoScrollItem(AccessibilityNodeInfoCompat node, int scrollDirection) {
    int edgeDirection = (scrollDirection == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) ? 1 : -1;
    return AccessibilityNodeInfoUtils.isAutoScrollEdgeListItem(mAccessibilityService, node, edgeDirection)
            && attemptScrollAction(scrollDirection);
}

Example usage for android.view.accessibility AccessibilityNodeInfo ACTION_SCROLL_FORWARD

Introduction

Prototype

Document

Usage