Recursively Print UIView Hierarchy

DisplayViewHierarchy.m

//po [[UIWindow keyWindow] recursiveDescription]  //private api

// Recursively travel down the view tree, increasing the indentation level for children
- (void)dumpView:(UIView *)aView atIndent:(int)indent into:(NSMutableString *)outstring
{
    for (int i = 0; i < indent; i++) [outstring appendString:@"--"];
        [outstring appendFormat:@"[%2d] %@\n", indent, [[aView class] description]];
    for (UIView *view in [aView subviews])
        [self dumpView:view atIndent:indent + 1 into:outstring];
}
 
 
// Start the tree recursion at level 0 with the root view
- (NSString *) displayViews: (UIView *) aView
{
    NSMutableString *outstring = [[NSMutableString alloc] init];
    [self dumpView: self.window atIndent:0 into:outstring];
    return [outstring autorelease];
}
 
 
// Show the tree
- (void)logViewTreeForMainWindow
{
    //  CFShow([self displayViews: self.window]);
    ATLogInfo(@"The view tree:\n%@", [self displayViews:self.window]);
}