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 Hi, I am facing problem in handling multiple UIprogressBar at same time . actual i am developing a game in which there is bricks on board 15×8 size. i want to show progressBar at every position where the a ball break the brick and then after finishing the progressingBar the brick block will generate automatically.Plz help me i am using two array i delegate , one for storing bricks blocks and another for storing progressBar each of capacity 120. my code is myProgressView = [appDelegate.progressBarArray objectAtIndex:newProgressIndex]; amt = 0.0; [self.view addSubview: myProgressView]; NSTimer *timer;// =[NSTimer alloc]; timer =[NSTimer scheduledTimerWithTimeInterval: 0.1 target: self selector: @selector(handleTimer:) userInfo: nil repeats: YES]; – (void) handleTimer:(NSTimer *)timer { //NSLog(@” timer started*******”); if(amt <= 1.0) { [[appDelegate.progressBarArray objectAtIndex:newProgressIndex] setProgress:amt]; amt += 0.01; } else if(amt>1.0){ [timer invalidate]; //NSLog(@” timer invalidated*******”); } } }