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POHow to drag UITableViewCell and drop it to another UITableView?
 

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  1. POHow to drag UITableViewCell and drop it to another UITableView?
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    <p>I was able to get only partial output, main functionality of drag and drop was achieved but it was crashing some times and showing error as index out of bounds.</p> <p>I use pan gesture controller to drag and drop the UITableView cell, I also want to know how it can be done by using touches began,touches moved and touches ended method.</p> <p>This is my sample code</p> <pre><code>- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { pathNumber=indexPath.row; cell = [tableView cellForRowAtIndexPath:indexPath]; UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panDetected:)]; [cell addGestureRecognizer:panRecognizer]; if (cell.accessoryType==UITableViewCellAccessoryNone) { cell.accessoryType = UITableViewCellAccessoryCheckmark; if(tableView==tableView1) { [selectedCells addObject:[array objectAtIndex:indexPath.row]]; NSLog(@"indexpath-%d",indexPath.row); [arrayOfPaths addObject:indexPath]; NSLog(@"----%@",selectedCells); NSLog(@"----======%@",arrayOfPaths); } else { [selectedCells1 addObject:[array1 objectAtIndex:indexPath.row]]; NSLog(@"indexpath-%d",indexPath.row); [arrayOfPaths1 addObject:indexPath]; NSLog(@"====%@",selectedCells1); NSLog(@"----======]]]]]%@",arrayOfPaths1); } } else { cell.accessoryType = UITableViewCellAccessoryNone; if(tableView==tableView1) { [selectedCells removeObject:[array objectAtIndex:indexPath.row]]; [arrayOfPaths removeObject:indexPath]; NSLog(@"----%@",selectedCells); NSLog(@"----======remove%@",arrayOfPaths); } else { [selectedCells1 removeObject:[array1 objectAtIndex:indexPath.row]]; [arrayOfPaths1 removeObject:indexPath]; NSLog(@"====%@",selectedCells1); NSLog(@"----======remove1%@",arrayOfPaths1); } } } - (void)panDetected:(UIPanGestureRecognizer *)panRecognizer { CGPoint translation = [panRecognizer translationInView:self.view]; CGPoint cellViewPosition = cell.center; cellViewPosition.x += translation.x; cellViewPosition.y += translation.y; cell.center = cellViewPosition; [self.view bringSubviewToFront:cell]; [panRecognizer setTranslation:CGPointZero inView:self.view]; NSArray * arr=[NSArray arrayWithObject:[NSIndexPath indexPathForRow:pathNumber inSection:0]]; NSArray * arr1=[NSArray arrayWithObject:[NSIndexPath indexPathForRow:pathNumber inSection:0]]; if(panRecognizer.state==UIGestureRecognizerStateBegan) { position1=[panRecognizer locationInView:self.view]; } if(panRecognizer.state==UIGestureRecognizerStateEnded) { position = [panRecognizer locationInView:self.view]; NSLog(@"%f %f",position.x,position.y); if(CGRectContainsPoint(tableView2.frame, position)) { NSLog(@"1-2"); if(position.x&gt;=tableView2.frame.origin.x &amp;&amp; position1.x &gt;= tableView1.frame.origin.x &amp;&amp; position1.x &lt;= tableView1.frame.size.width) { if([selectedCells count] ==1) { [tableView2 beginUpdates]; [tableView2 insertRowsAtIndexPaths:arr1 withRowAnimation:UITableViewRowAnimationTop]; [array1 insertObject:[array objectAtIndex:pathNumber] atIndex:pathNumber]; d=[array1 count]; [tableView2 endUpdates]; [tableView1 beginUpdates]; [tableView1 deleteRowsAtIndexPaths:arr withRowAnimation:UITableViewRowAnimationTop]; [array removeObjectAtIndex:pathNumber]; c=[array count]; [tableView1 endUpdates]; } else { [tableView2 beginUpdates]; [tableView2 insertRowsAtIndexPaths:arrayOfPaths withRowAnimation:UITableViewRowAnimationTop]; for(int j=0;j&lt;[arrayOfPaths count];j++) { NSIndexPath * tempIndexPath = (NSIndexPath *)([arrayOfPaths objectAtIndex:j]); [array1 insertObject:[selectedCells objectAtIndex:j] atIndex:tempIndexPath.row]; } d=[array1 count]; NSLog(@"%d", d); [tableView2 endUpdates]; [tableView1 beginUpdates]; [tableView1 deleteRowsAtIndexPaths:arrayOfPaths withRowAnimation:UITableViewRowAnimationTop]; for(int j = 0;j &lt; [arrayOfPaths count]; j++) { NSIndexPath * temp = (NSIndexPath *)[arrayOfPaths objectAtIndex:j]; [array removeObjectAtIndex:temp.row]; } c=[array count]; [tableView1 endUpdates]; } [selectedCells removeAllObjects]; [arrayOfPaths removeAllObjects]; } else { NSLog(@"else"); } } else if(CGRectContainsPoint(tableView1.frame, position)) { NSLog(@"hi-2"); if(position.x&gt;=tableView1.frame.origin.x &amp;&amp; position1.x &gt;= tableView2.frame.origin.x &amp;&amp; position1.x &lt;= tableView2.frame.size.width + tableView2.frame.origin.x) { if([selectedCells1 count] == 1) { [tableView1 beginUpdates]; [tableView1 insertRowsAtIndexPaths:arr1 withRowAnimation:UITableViewRowAnimationTop]; [array insertObject:[array1 objectAtIndex:pathNumber] atIndex:pathNumber]; c=[array count]; [tableView1 endUpdates]; [tableView2 beginUpdates]; [tableView2 deleteRowsAtIndexPaths:arr withRowAnimation:UITableViewRowAnimationTop]; [array1 removeObjectAtIndex:pathNumber]; d=[array1 count]; [tableView2 endUpdates]; } else { [tableView1 beginUpdates]; [tableView1 insertRowsAtIndexPaths:arrayOfPaths1 withRowAnimation:UITableViewRowAnimationTop]; for(int j=0;j&lt;[arrayOfPaths1 count];j++) { NSIndexPath * tempIndexPath = (NSIndexPath *)([arrayOfPaths1 objectAtIndex:j]); [array insertObject:[selectedCells1 objectAtIndex:j] atIndex:tempIndexPath.row]; } c=[array count]; NSLog(@"%d", c); [tableView1 endUpdates]; [tableView2 beginUpdates]; [tableView2 deleteRowsAtIndexPaths:arrayOfPaths1 withRowAnimation:UITableViewRowAnimationTop]; for(int j = 0;j &lt; [arrayOfPaths1 count]; j++) { NSIndexPath * temp = (NSIndexPath *)[arrayOfPaths1 objectAtIndex:j]; [array1 removeObjectAtIndex:temp.row]; } d=[array1 count]; [tableView2 endUpdates]; } [selectedCells1 removeAllObjects]; [arrayOfPaths1 removeAllObjects]; } else { NSLog(@"else1"); } } } } </code></pre>
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