Java AccessibilityNodeInfoCompat.setFocusable方法代码示例

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
private void copyNodeInfoNoChildren(AccessibilityNodeInfoCompat dest, AccessibilityNodeInfoCompat src) {
    Rect rect = this.mTmpRect;
    src.getBoundsInParent(rect);
    dest.setBoundsInParent(rect);
    src.getBoundsInScreen(rect);
    dest.setBoundsInScreen(rect);
    dest.setVisibleToUser(src.isVisibleToUser());
    dest.setPackageName(src.getPackageName());
    dest.setClassName(src.getClassName());
    dest.setContentDescription(src.getContentDescription());
    dest.setEnabled(src.isEnabled());
    dest.setClickable(src.isClickable());
    dest.setFocusable(src.isFocusable());
    dest.setFocused(src.isFocused());
    dest.setAccessibilityFocused(src.isAccessibilityFocused());
    dest.setSelected(src.isSelected());
    dest.setLongClickable(src.isLongClickable());
    dest.addAction(src.getActions());
    dest.setMovementGranularities(src.getMovementGranularities());
}
 

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
private void copyNodeInfoNoChildren(AccessibilityNodeInfoCompat dest, AccessibilityNodeInfoCompat src) {
    Rect rect = this.mTmpRect;
    src.getBoundsInParent(rect);
    dest.setBoundsInParent(rect);
    src.getBoundsInScreen(rect);
    dest.setBoundsInScreen(rect);
    dest.setVisibleToUser(src.isVisibleToUser());
    dest.setPackageName(src.getPackageName());
    dest.setClassName(src.getClassName());
    dest.setContentDescription(src.getContentDescription());
    dest.setEnabled(src.isEnabled());
    dest.setClickable(src.isClickable());
    dest.setFocusable(src.isFocusable());
    dest.setFocused(src.isFocused());
    dest.setAccessibilityFocused(src.isAccessibilityFocused());
    dest.setSelected(src.isSelected());
    dest.setLongClickable(src.isLongClickable());
    dest.addAction(src.getActions());
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
/**
 * This should really be in AccessibilityNodeInfoCompat, but there unfortunately
 * seem to be a few elements that are not easily cloneable using the underlying API.
 * Leave it private here as it's not general-purpose useful.
 */
private void copyNodeInfoNoChildren(AccessibilityNodeInfoCompat dest,
    AccessibilityNodeInfoCompat src) {
  final Rect rect = mTmpRect;

  src.getBoundsInParent(rect);
  dest.setBoundsInParent(rect);

  src.getBoundsInScreen(rect);
  dest.setBoundsInScreen(rect);

  dest.setVisibleToUser(src.isVisibleToUser());
  dest.setPackageName(src.getPackageName());
  dest.setClassName(src.getClassName());
  dest.setContentDescription(src.getContentDescription());

  dest.setEnabled(src.isEnabled());
  dest.setClickable(src.isClickable());
  dest.setFocusable(src.isFocusable());
  dest.setFocused(src.isFocused());
  dest.setAccessibilityFocused(src.isAccessibilityFocused());
  dest.setSelected(src.isSelected());
  dest.setLongClickable(src.isLongClickable());

  dest.addAction(src.getActions());
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
@Override
protected void onPopulateNodeForVirtualView(int id, AccessibilityNodeInfoCompat node) {
    if (id == INVALID_ID) {
        throw new IllegalArgumentException("Invalid virtual view id");
    }

    node.setContentDescription(getLocationDescriptionForIconDrop(id));
    node.setBoundsInParent(getItemBounds(id));

    node.addAction(AccessibilityNodeInfoCompat.ACTION_CLICK);
    node.setClickable(true);
    node.setFocusable(true);
}
 

import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; //导入方法依赖的package包/类
/**
 * This should really be in AccessibilityNodeInfoCompat, but there unfortunately
 * seem to be a few elements that are not easily cloneable using the underlying API.
 * Leave it private here as it's not general-purpose useful.
 */
private void copyNodeInfoNoChildren(AccessibilityNodeInfoCompat dest,
                                    AccessibilityNodeInfoCompat src) {
    final Rect rect = mTmpRect;

    src.getBoundsInParent(rect);
    dest.setBoundsInParent(rect);

    src.getBoundsInScreen(rect);
    dest.setBoundsInScreen(rect);

    dest.setVisibleToUser(src.isVisibleToUser());
    dest.setPackageName(src.getPackageName());
    dest.setClassName(src.getClassName());
    dest.setContentDescription(src.getContentDescription());

    dest.setEnabled(src.isEnabled());
    dest.setClickable(src.isClickable());
    dest.setFocusable(src.isFocusable());
    dest.setFocused(src.isFocused());
    dest.setAccessibilityFocused(src.isAccessibilityFocused());
    dest.setSelected(src.isSelected());
    dest.setLongClickable(src.isLongClickable());

    dest.addAction(src.getActions());

    dest.setMovementGranularities(src.getMovementGranularities());
}
 

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);
}