// For Android
// Class must extend AccessibilityService to use this function verbatim
// Have fun

// Function will overwrite any existing text in the node
public void setText(AccessibilityNodeInfo node, String textToSet) {
    Bundle arguments = new Bundle();
    arguments.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE,
        textToSet);
    node.performAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_TEXT.getId(), arguments);
}