Java AccessibilityNodeInfoCompat.obtain方法代码示例

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfoCompat createAccessibilityNodeInfoForInputText(
        int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(getInputText());
    info.setSource(mNumberPicker, VIRTUAL_VIEW_ID_INPUT);
    if (mAccessibilityFocusedView != VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    mNumberPicker.getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    return info;
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfoCompat createNodeForHost() {
    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain(this.mView);
    ViewCompat.onInitializeAccessibilityNodeInfo(this.mView, node);
    onPopulateNodeForHost(node);
    LinkedList<Integer> virtualViewIds = new LinkedList();
    getVisibleVirtualViews(virtualViewIds);
    Iterator i$ = virtualViewIds.iterator();
    while (i$.hasNext()) {
        node.addChild(this.mView, ((Integer) i$.next()).intValue());
    }
    return node;
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();
    info.setClassName(SlidingPaneLayout.class.getName());
    info.setSource(host);
    ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
        info.setParent((View) parent);
    }
    int childCount = SlidingPaneLayout.this.getChildCount();
    for (int i = 0; i < childCount; i++) {
        View child = SlidingPaneLayout.this.getChildAt(i);
        if (!filter(child) && child.getVisibility() == 0) {
            ViewCompat.setImportantForAccessibility(child, 1);
            info.addChild(child);
        }
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    if (DrawerLayout.CAN_HIDE_DESCENDANTS) {
        super.onInitializeAccessibilityNodeInfo(host, info);
    } else {
        AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
        super.onInitializeAccessibilityNodeInfo(host, superNode);
        info.setSource(host);
        ViewParent parent = ViewCompat.getParentForAccessibility(host);
        if (parent instanceof View) {
            info.setParent((View) parent);
        }
        copyNodeInfoNoChildren(info, superNode);
        superNode.recycle();
        addChildrenForAccessibility(info, (ViewGroup) host);
    }
    info.setClassName(DrawerLayout.class.getName());
    info.setFocusable(false);
    info.setFocused(false);
    info.removeAction(AccessibilityActionCompat.ACTION_FOCUS);
    info.removeAction(AccessibilityActionCompat.ACTION_CLEAR_FOCUS);
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();

    info.setClassName(ResideLayout.class.getName());
    info.setSource(host);

    final ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
        info.setParent((View) parent);
    }

    // This is a best-approximation of addChildrenForAccessibility()
    // that accounts for filtering.
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
            // Force importance to "yes" since we can't read the value.
            ViewCompat.setImportantForAccessibility(
                    child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
            info.addChild(child);
        }
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfoCompat createAccessibilityNodeInfoForVirtualButton(int virtualViewId,
                                                                                String text, int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain();
    info.setClassName(Button.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(mNumberPicker, virtualViewId);
    info.setParent(mNumberPicker);
    info.setText(text);
    info.setClickable(true);
    info.setLongClickable(true);
    info.setEnabled(isEnabled());
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    mNumberPicker.getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    if (mAccessibilityFocusedView != virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (isEnabled()) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLICK);
    }
    return info;
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
  if (CAN_HIDE_DESCENDANTS) {
    super.onInitializeAccessibilityNodeInfo(host, info);
  } else {
    // Obtain a node for the host, then manually generate the list
    // of children to only include non-obscured views.
    final AccessibilityNodeInfoCompat superNode =
        AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);

    info.setSource(host);
    final ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
      info.setParent((View) parent);
    }
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();

    addChildrenForAccessibility(info, (ViewGroup) host);
  }

  info.setClassName(DebugDrawerLayout.class.getName());

  // This view reports itself as focusable so that it can intercept
  // the back button, but we should prevent this view from reporting
  // itself as focusable to accessibility services.
  info.setFocusable(false);
  info.setFocused(false);
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();

    info.setClassName(SlidingPaneLayout.class.getName());
    info.setSource(host);

    final ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
        info.setParent((View) parent);
    }

    // This is a best-approximation of addChildrenForAccessibility()
    // that accounts for filtering.
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
            // Force importance to "yes" since we can't read the value.
            ViewCompat.setImportantForAccessibility(
                    child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
            info.addChild(child);
        }
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfo createAccessibilityNodeInfoForVirtualButton(int virtualViewId,
                                                                          String text, int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain();
    info.setClassName(Button.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this, virtualViewId);
    info.setParent(NumberPicker.this);
    info.setText(text);
    info.setClickable(true);
    info.setLongClickable(true);
    info.setEnabled(NumberPicker.this.isEnabled());
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLICK);
    }

    return info.unwrap();
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();

    info.setClassName(BGASwipeBackLayout2.class.getName());
    info.setSource(host);

    final ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
        info.setParent((View) parent);
    }

    // This is a best-approximation of addChildrenForAccessibility()
    // that accounts for filtering.
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
            // Force importance to "yes" since we can't read the value.
            ViewCompat.setImportantForAccessibility(
                    child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
            info.addChild(child);
        }
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
    super.onInitializeAccessibilityNodeInfo(host, superNode);
    copyNodeInfoNoChildren(info, superNode);
    superNode.recycle();

    info.setClassName(BGASwipeBackLayout.class.getName());
    info.setSource(host);

    final ViewParent parent = ViewCompat.getParentForAccessibility(host);
    if (parent instanceof View) {
        info.setParent((View) parent);
    }

    // This is a best-approximation of addChildrenForAccessibility()
    // that accounts for filtering.
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
            // Force importance to "yes" since we can't read the value.
            ViewCompat.setImportantForAccessibility(
                    child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
            info.addChild(child);
        }
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfoCompat createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                               int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(mNumberPicker);
    if (hasVirtualDecrementButton()) {
        info.addChild(mNumberPicker, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(mNumberPicker, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(mNumberPicker, VIRTUAL_VIEW_ID_INCREMENT);
    }
    info.setParent((View) ViewCompat.getParentForAccessibility(mNumberPicker));
    info.setEnabled(isEnabled());
    info.setScrollable(true);
    final float applicationScale = getApplicationScale();
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    scale(boundsInParent, applicationScale);
    info.setBoundsInParent(boundsInParent);
    info.setVisibleToUser(isVisibleToUser());
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    mNumberPicker.getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    scale(boundsInScreen, applicationScale);
    info.setBoundsInScreen(boundsInScreen);
    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
        }
    }
    return info;
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfoCompat createNodeForChild(int virtualViewId) {
    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    node.setEnabled(true);
    node.setClassName(DEFAULT_CLASS_NAME);
    onPopulateNodeForVirtualView(virtualViewId, node);
    if (node.getText() == null && node.getContentDescription() == null) {
        throw new RuntimeException("Callbacks must add text or a content description in populateNodeForVirtualViewId()");
    }
    node.getBoundsInParent(this.mTempParentRect);
    if (this.mTempParentRect.isEmpty()) {
        throw new RuntimeException("Callbacks must set parent bounds in populateNodeForVirtualViewId()");
    }
    int actions = node.getActions();
    if ((actions & 64) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_ACCESSIBILITY_FOCUS in populateNodeForVirtualViewId()");
    } else if ((actions & 128) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_CLEAR_ACCESSIBILITY_FOCUS in populateNodeForVirtualViewId()");
    } else {
        node.setPackageName(this.mView.getContext().getPackageName());
        node.setSource(this.mView, virtualViewId);
        node.setParent(this.mView);
        if (this.mFocusedVirtualViewId == virtualViewId) {
            node.setAccessibilityFocused(true);
            node.addAction(128);
        } else {
            node.setAccessibilityFocused(false);
            node.addAction(64);
        }
        if (intersectVisibleToUser(this.mTempParentRect)) {
            node.setVisibleToUser(true);
            node.setBoundsInParent(this.mTempParentRect);
        }
        this.mView.getLocationOnScreen(this.mTempGlobalRect);
        int offsetX = this.mTempGlobalRect[0];
        int offsetY = this.mTempGlobalRect[1];
        this.mTempScreenRect.set(this.mTempParentRect);
        this.mTempScreenRect.offset(offsetX, offsetY);
        node.setBoundsInScreen(this.mTempScreenRect);
        return node;
    }
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                         int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.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.setParent((View) ViewCompat.getParentForAccessibility(NumberPicker.this));
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    // FIXME final float applicationScale = getContext().getResources().getCompatibilityInfo().applicationScale;
    final float applicationScale = 1f;

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

    info.setVisibleToUser(isVisibleToUser());

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

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

    return info.unwrap();
}