類似QQ的聊天框,當進入聊天框,直接滑動倒最底部;
需要先將以他變了view滾動倒底部,再來移動NSIndexPath,
代碼如下:
-(void) doForceScrollToBottom { dispatch_async(dispatch_get_main_queue(), ^ { if( self.mTableViewConsult.contentSize.height - self.mTableViewConsult.contentOffset.y > self.mTableViewConsult.frame.size.height ) { [self.mTableViewConsult setContentOffset:CGPointMake(0, self.mTableViewConsult.contentSize.height - self.mTableViewConsult.frame.size.height)]; } usleep(5000); NSIndexPath* path = [NSIndexPath indexPathForRow: nMaxTableCount - 1 inSection:0]; if( path ) { [self.mTableViewConsult scrollToRowAtIndexPath:path atScrollPosition:UITableViewScrollPositionBottom animated:NO]; } }); }