android.view.accessibility.AccessibilityNodeInfo#setScrollable

Source File: HorizontalScrollView.java From android_9.0.0_r45 with Apache License 2.0

6 votes

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);
    final int scrollRange = getScrollRange();
    if (scrollRange > 0) {
        info.setScrollable(true);
        if (isEnabled() && mScrollX > 0) {
            info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
            info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_LEFT);
        }
        if (isEnabled() && mScrollX < scrollRange) {
            info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
            info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_RIGHT);
        }
    }
}

Source File: ScrollView.java From android_9.0.0_r45 with Apache License 2.0

6 votes

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);
    if (isEnabled()) {
        final int scrollRange = getScrollRange();
        if (scrollRange > 0) {
            info.setScrollable(true);
            if (mScrollY > 0) {
                info.addAction(
                        AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
                info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_UP);
            }
            if (mScrollY < scrollRange) {
                info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
                info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_DOWN);
            }
        }
    }
}

Source File: SdkCenteredViewPager.java From Android-SDK-Demo with MIT License

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info)
{
    super.onInitializeAccessibilityNodeInfo( host, info );
    info.setClassName( SdkCenteredViewPager.class.getName() );
    info.setScrollable( canScroll() );
    if ( canScrollHorizontally( 1 ) )
    {
        info.addAction( AccessibilityNodeInfo.ACTION_SCROLL_FORWARD );
    }
    if ( canScrollHorizontally( -1 ) )
    {
        info.addAction( AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD );
    }
}

Source File: PagedView.java From LB-Launcher with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(getPageCount() > 1);
    if (getCurrentPage() < getPageCount() - 1) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    }
    if (getCurrentPage() > 0) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
}

Source File: AdapterView.java From android-tv-launcher with MIT License

5 votes

public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo paramAccessibilityNodeInfo) {
	super.onInitializeAccessibilityNodeInfo(paramAccessibilityNodeInfo);
	paramAccessibilityNodeInfo.setScrollable(isScrollableForAccessibility());
	View localView = getSelectedView();
	if (localView != null)
		paramAccessibilityNodeInfo.setEnabled(localView.isEnabled());
}

Source File: BrowserAccessibilityManager.java From 365browser with Apache License 2.0

5 votes

@CalledByNative
private void setAccessibilityNodeInfoBooleanAttributes(AccessibilityNodeInfo node,
        int virtualViewId,
        boolean checkable, boolean checked, boolean clickable,
        boolean enabled, boolean focusable, boolean focused, boolean password,
        boolean scrollable, boolean selected, boolean visibleToUser) {
    node.setCheckable(checkable);
    node.setChecked(checked);
    node.setClickable(clickable);
    node.setEnabled(enabled);
    node.setFocusable(focusable);
    node.setFocused(focused);
    node.setPassword(password);
    node.setScrollable(scrollable);
    node.setSelected(selected);
    node.setVisibleToUser(visibleToUser);

    node.setMovementGranularities(
            AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER
            | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD
            | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE);

    if (mAccessibilityFocusId == virtualViewId) {
        node.setAccessibilityFocused(true);
    } else {
        node.setAccessibilityFocused(false);
    }
}

Source File: PagedView.java From TurboLauncher with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(getPageCount() > 1);
    if (getCurrentPage() < getPageCount() - 1) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    }
    if (getCurrentPage() > 0) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
}

Source File: BrowserAccessibilityManager.java From android-chromium with BSD 2-Clause "Simplified" License

5 votes

@CalledByNative
private void setAccessibilityNodeInfoBooleanAttributes(AccessibilityNodeInfo node,
        int virtualViewId, boolean checkable, boolean checked, boolean clickable,
        boolean enabled, boolean focusable, boolean focused, boolean password,
        boolean scrollable, boolean selected, boolean visibleToUser) {
    node.setCheckable(checkable);
    node.setChecked(checked);
    node.setClickable(clickable);
    node.setEnabled(enabled);
    node.setFocusable(focusable);
    node.setFocused(focused);
    node.setPassword(password);
    node.setScrollable(scrollable);
    node.setSelected(selected);
    node.setVisibleToUser(visibleToUser);

    if (focusable) {
        if (focused) {
            node.addAction(AccessibilityNodeInfo.ACTION_CLEAR_FOCUS);
        } else {
            node.addAction(AccessibilityNodeInfo.ACTION_FOCUS);
        }
    }

    if (mAccessibilityFocusId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }

    if (clickable) {
        node.addAction(AccessibilityNodeInfo.ACTION_CLICK);
    }
}

Source File: IcsAdapterView.java From Libraries-for-Android-Developers with MIT License

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(isScrollableForAccessibility());
    View selectedView = getSelectedView();
    if (selectedView != null) {
        info.setEnabled(selectedView.isEnabled());
    }
}

Source File: AdapterView.java From Klyph with MIT License

5 votes

@TargetApi(14)
@Override
public void onInitializeAccessibilityNodeInfo( AccessibilityNodeInfo info ) {
	super.onInitializeAccessibilityNodeInfo( info );
	info.setClassName( AdapterView.class.getName() );
	info.setScrollable( isScrollableForAccessibility() );
	View selectedView = getSelectedView();
	if ( selectedView != null ) {
		info.setEnabled( selectedView.isEnabled() );
	}
}

Source File: SdkCenteredViewPager.java From Android-SDK-Demo with MIT License

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info)
{
    super.onInitializeAccessibilityNodeInfo( host, info );
    info.setClassName( SdkCenteredViewPager.class.getName() );
    info.setScrollable( canScroll() );
    if ( canScrollHorizontally( 1 ) )
    {
        info.addAction( AccessibilityNodeInfo.ACTION_SCROLL_FORWARD );
    }
    if ( canScrollHorizontally( -1 ) )
    {
        info.addAction( AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD );
    }
}

Source File: IcsAdapterView.java From zhangshangwuda with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(isScrollableForAccessibility());
    View selectedView = getSelectedView();
    if (selectedView != null) {
        info.setEnabled(selectedView.isEnabled());
    }
}

Source File: BrowserAccessibilityManager.java From android-chromium with BSD 2-Clause "Simplified" License

5 votes

@CalledByNative
private void setAccessibilityNodeInfoBooleanAttributes(AccessibilityNodeInfo node,
        int virtualViewId, boolean checkable, boolean checked, boolean clickable,
        boolean enabled, boolean focusable, boolean focused, boolean password,
        boolean scrollable, boolean selected, boolean visibleToUser) {
    node.setCheckable(checkable);
    node.setChecked(checked);
    node.setClickable(clickable);
    node.setEnabled(enabled);
    node.setFocusable(focusable);
    node.setFocused(focused);
    node.setPassword(password);
    node.setScrollable(scrollable);
    node.setSelected(selected);
    node.setVisibleToUser(visibleToUser);

    if (focusable) {
        if (focused) {
            node.addAction(AccessibilityNodeInfo.ACTION_CLEAR_FOCUS);
        } else {
            node.addAction(AccessibilityNodeInfo.ACTION_FOCUS);
        }
    }

    if (mAccessibilityFocusId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }

    if (clickable) {
        node.addAction(AccessibilityNodeInfo.ACTION_CLICK);
    }
}

Source File: IcsAdapterView.java From CSipSimple with GNU General Public License v3.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(isScrollableForAccessibility());
    View selectedView = getSelectedView();
    if (selectedView != null) {
        info.setEnabled(selectedView.isEnabled());
    }
}

Source File: AdapterView.java From android_9.0.0_r45 with Apache License 2.0

5 votes

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);
    info.setScrollable(isScrollableForAccessibility());
    View selectedView = getSelectedView();
    if (selectedView != null) {
        info.setEnabled(selectedView.isEnabled());
    }
}

Source File: Gallery.java From android_9.0.0_r45 with Apache License 2.0

5 votes

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);
    info.setScrollable(mItemCount > 1);
    if (isEnabled()) {
        if (mItemCount > 0 && mSelectedPosition < mItemCount - 1) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (isEnabled() && mItemCount > 0 && mSelectedPosition > 0) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }
}

Source File: NumberPicker.java From zen4android with MIT License

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
        int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    /** TODO: Figure out compat implementation for this
    final float applicationScale =
            getContext().getResources().getCompatibilityInfo().applicationScale;

    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    boundsInParent.scale(applicationScale);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(isVisibleToUser());

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    boundsInScreen.scale(applicationScale);
    info.setBoundsInScreen(boundsInScreen);
     */

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Source File: TextPicker.java From GifAssistant with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                         int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(TextPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(TextPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(TextPicker.this.isEnabled());
    info.setScrollable(true);

    /** TODO: Figure out compat implementation for this
     final float applicationScale =
     getContext().getResources().getCompatibilityInfo().applicationScale;

     Rect boundsInParent = mTempRect;
     boundsInParent.set(left, top, right, bottom);
     boundsInParent.scale(applicationScale);
     info.setBoundsInParent(boundsInParent);

     info.setVisibleToUser(isVisibleToUser());

     Rect boundsInScreen = boundsInParent;
     int[] locationOnScreen = mTempArray;
     getLocationOnScreen(locationOnScreen);
     boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
     boundsInScreen.scale(applicationScale);
     info.setBoundsInScreen(boundsInScreen);
     */

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (TextPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Source File: MultiSlider.java From MultiSlider with Apache License 2.0

4 votes

@Override
public AccessibilityNodeInfo createAccessibilityNodeInfo(int thumbId) {
    AccessibilityNodeInfo info = null;
    if (thumbId == View.NO_ID) {
        // We are requested to create an AccessibilityNodeInfo describing
        // this View, i.e. the root of the virtual sub-tree. Note that the
        // host View has an AccessibilityNodeProvider which means that this
        // provider is responsible for creating the node info for that root.
        info = AccessibilityNodeInfo.obtain(MultiSlider.this);
        onInitializeAccessibilityNodeInfo(info);
        // Add the virtual children of the root View.
        final int childCount = mThumbs.size();
        for (int i = 0; i < childCount; i++) {
            info.addChild(MultiSlider.this, i);
        }
        if (mThumbs.size() == 1) {
            info.setScrollable(true);
            if (Build.VERSION.SDK_INT >= 21) {
                info.addAction(ACTION_SET_PROGRESS);
                info.addAction(ACTION_SCROLL_BACKWARD);
                info.addAction(ACTION_SCROLL_FORWARD);
            } else {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            }

        }

    } else {
        // Find the view that corresponds to the given id.
        Thumb thumb = mThumbs.get(thumbId);
        if (thumb == null) {
            return null;
        }
        // Obtain and initialize an AccessibilityNodeInfo with
        // information about the virtual view.
        info = AccessibilityNodeInfo.obtain(MultiSlider.this, thumbId);
        info.setClassName(thumb.getClass().getName());
        info.setParent(MultiSlider.this);
        info.setSource(MultiSlider.this, thumbId);
        info.setContentDescription("Multi-Slider thumb no:" + thumbId);

        if (Build.VERSION.SDK_INT >= 21) {
            info.addAction(ACTION_SET_PROGRESS);
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(ACTION_SCROLL_BACKWARD);
            }
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(ACTION_SCROLL_FORWARD);
            }

        } else {
            if (thumb.getPossibleMin() > thumb.value) {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
            }
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            }
        }


        if (thumb.getThumb() != null) {
            int[] loc = new int[2];
            getLocationOnScreen(loc);
            Rect rect = thumb.getThumb().copyBounds();
            rect.top += loc[1];
            rect.left += loc[0];
            rect.right += loc[0];
            rect.bottom += loc[1];
            info.setBoundsInScreen(rect);
            //TODO somehow this resuls in [0,0][0,0]. wonder check why
            //info.setBoundsInParent(rect);

        }

        info.setText(thumb.tag + ": " + thumb.value);
        info.setEnabled(thumb.isEnabled());
        if (Build.VERSION.SDK_INT >= 24) {
            info.setImportantForAccessibility(true);
        }
        info.setVisibleToUser(true);
        info.setScrollable(true);
    }
    return info;
}

Source File: NumberPicker.java From android_9.0.0_r45 with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
        int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(mContext.getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    final float applicationScale =
        getContext().getResources().getCompatibilityInfo().applicationScale;

    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    boundsInParent.scale(applicationScale);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(isVisibleToUser());

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    boundsInScreen.scale(applicationScale);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Java Code Examples for android.view.accessibility.AccessibilityNodeInfo#setScrollable()