List of usage examples for android.support.v4.view ViewCompat onInitializeAccessibilityNodeInfo
public static void onInitializeAccessibilityNodeInfo(View v, AccessibilityNodeInfoCompat info)
From source file:com.googlecode.eyesfree.utils.ExploreByTouchHelper.java
/** * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the * parent view populated with its virtual descendants. * * @return An {@link AccessibilityNodeInfoCompat} for the parent view. *//*w w w . j av a2 s . co m*/ private AccessibilityNodeInfoCompat getNodeForHost() { // Since we don't want the parent to be focusable, but we can't remove // actions from a node, copy over the necessary fields. final AccessibilityNodeInfoCompat result = AccessibilityNodeInfoCompat.obtain(mHost); final AccessibilityNodeInfoCompat source = AccessibilityNodeInfoCompat.obtain(mHost); ViewCompat.onInitializeAccessibilityNodeInfo(mHost, source); // Copy over parent and screen bounds. source.getBoundsInParent(mTempParentRect); source.getBoundsInScreen(mTempScreenRect); result.setBoundsInParent(mTempParentRect); result.setBoundsInScreen(mTempScreenRect); // Set up the parent view, if applicable. final ViewParent parent = mHost.getParent(); if (parent instanceof View) { result.setParent((View) parent); } // Populate the minimum required fields. result.setVisibleToUser(source.isVisibleToUser()); result.setPackageName(source.getPackageName()); result.setClassName(source.getClassName()); // Add the fake root node. result.addChild(mHost, ROOT_ID); return result; }
From source file:com.android.utils.ExploreByTouchHelper.java
/** * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the * parent view populated with its virtual descendants. * * @return An {@link AccessibilityNodeInfoCompat} for the parent view. *//*w w w. j ava 2s . c o m*/ private AccessibilityNodeInfoCompat getNodeForRoot() { // The root node is identical to the parent node, except that it is a // child of the parent view and is populated with virtual descendants. final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain(mHost); ViewCompat.onInitializeAccessibilityNodeInfo(mHost, node); // Add the virtual descendants. final LinkedList<Integer> virtualViewIds = new LinkedList<>(); getVisibleVirtualViewIds(virtualViewIds); for (Integer virtualViewId : virtualViewIds) { node.addChild(mHost, virtualViewId); } // Set up the node as a child of the parent. node.setParent(mHost); node.setSource(mHost, ROOT_ID); return node; }
From source file:com.googlecode.eyesfree.utils.ExploreByTouchHelper.java
/** * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the * parent view populated with its virtual descendants. * * @return An {@link AccessibilityNodeInfoCompat} for the parent view. *///from w ww . j a va 2 s .c o m private AccessibilityNodeInfoCompat getNodeForRoot() { // The root node is identical to the parent node, except that it is a // child of the parent view and is populated with virtual descendants. final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain(mHost); ViewCompat.onInitializeAccessibilityNodeInfo(mHost, node); // Add the virtual descendants. final LinkedList<Integer> virtualViewIds = new LinkedList<Integer>(); getVisibleVirtualViewIds(virtualViewIds); for (Integer virtualViewId : virtualViewIds) { node.addChild(mHost, virtualViewId); } // Set up the node as a child of the parent. node.setParent(mHost); node.setSource(mHost, ROOT_ID); return node; }