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POanimation of an UIImageView run only once
 

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    <p>I am writing a game. After attacker kills a soldier, a dropping UIImageView saying experience+1 will show. </p> <p>Now, the animation shows correctly when I kills 1st soldier, but <strong>not show</strong> when killing 2nd soldier and later.</p> <p>animation codes, method name is showGainXPAnimationAfterKillSoldier.</p> <pre><code> imgGainXPAfterKillSoldier.hidden = FALSE; [imgGainXPAfterKillSoldier.layer removeAllAnimations]; imgGainXPAfterKillSoldier.frame = CGRectMake(140, 220, 53, 19); // a loop to show animation. [UIView beginAnimations:nil context:nil]; [UIView setAnimationBeginsFromCurrentState:YES]; [UIView setAnimationDuration:1.5]; //imgGainXPAfterKillSoldier.frame = CGRectMake(100, 200, 53, 19); CGAffineTransform transform = CGAffineTransformMakeTranslation(-112, 215); imgGainXPAfterKillSoldier.transform = transform; //imgGainXPAfterKillSoldier.alpha = 0.0f; [UIView commitAnimations]; </code></pre> <p>call animation codes,</p> <pre><code> if (killedSoldierCount&gt;0) { // add imgview to show gained XP. if (imgGainXPAfterKillSoldier) { MWLog(@"remove it!"); [imgGainXPAfterKillSoldier.layer removeAllAnimations]; [imgGainXPAfterKillSoldier removeFromSuperview]; } imgGainXPAfterKillSoldier.frame = CGRectMake(140, 220, 53, 19); imgGainXPAfterKillSoldier.hidden = TRUE; //imgGainXPAfterKillSoldier.alpha = 1.0f; [self.view addSubview:imgGainXPAfterKillSoldier]; switch (killedSoldierCount) { case 1: // show add experience animation after kill soldier. MWLog(@"kill a soldier, show XP+1 animation."); [self showGainXPAnimationAfterKillSoldier:1]; break; </code></pre> <p>what is the problem? Thanks in advance!</p>
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