Java / Android | Iterates through a given Layout tree, looking for views matching a certain type (TextView for example).

MyIterator.txt

    /*  Iterates through the given Layout, looking for TextView
        ---------------------------------
        Author : Philippe Bartolini (PhB-fr @ GitHub)
        Link : https://gist.github.com/PhB-fr/e43ba4a5dbd1ed7e1038b9a2393eceeb
        Yes another iterator ;) I think it is very adaptable
    */
    
    public void MyIterator(View thisView){
        ViewGroup thisViewGroup = null;
        boolean isTextView = false;
        int childrenCount = 0;

        try { // Test by casting if the node is a ViewGroup and if it has children
            thisViewGroup = (ViewGroup) thisView;
            childrenCount = thisViewGroup.getChildCount();
        }
        catch (Exception e){

        }

        if(childrenCount == 0){ // Test by casting if this node is a TextView
            try {
                isTextView = ((TextView) thisView).getText() != null; // You can adapt it to your own neeeds.
            }
            catch (Exception e){

            }

            if(isTextView){
                // do something
            }
        }
        else {
            for(int i = 0; i < childrenCount; i++){ // looping in the tree
                MyIterator(thisViewGroup.getChildAt(i));
            }
        }
    }