Send subview 1 layer back

问题

I'm doing an iPad application. And I'm newbee in this development. I have few layer on my view, now i want to send only one layer back.How can i do it.

- (void) sendElementToBack:(UIMenuController *)controller {

    [self.view sendSubviewToBack:elementToAlter];
    [[undoManager prepareWithInvocationTarget:self] undoSendToBack:elementToAlter];
}

//#pragma mark - Undo/Redo Support for send element to back
- (void) undoSendToBack:(ParentView *)pieceToBringFront {
    [self.view bringSubviewToFront:pieceToBringFront];

}

Can anyone help me to solve this !!!

回答1:

Try like this may be it helps you,

[[self view] exchangeSubviewAtIndex:  withSubviewAtIndex: ];

来源：https://stackoverflow.com/questions/15333193/send-subview-1-layer-back