/**
* Gets the root node from accessibility and if it fails to get one it will retry every 250ms for
* up to 1000ms.
*
* @return null if no root node is obtained
*/
protected AccessibilityNodeInfo getRootNode() {
final int maxRetry = 4;
final long waitInterval = 250;
AccessibilityNodeInfo rootNode = null;
for (int x = 0; x < maxRetry; x++) {
rootNode = mUiAutomatorBridge.getRootInActiveWindow();
if (rootNode != null) {
return rootNode;
}
if (x < maxRetry - 1) {
Log.e(LOG_TAG, "Got null root node from accessibility - Retrying...");
SystemClock.sleep(waitInterval);
}
}
return rootNode;
}
public AccessibilityNodeInfo getAccessibilityRootNode() {
return mUiAutomatorBridge.getRootInActiveWindow();
}