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UIView と UITextField のシェイク アニメーションに関する同様の質問に基づいて、NSTextField に適用する必要があるこのコードを実装しました。ただし、アニメーションは実行されません。ここで何が問題なのですか？

NSRect textFieldFrame = [textfield frame];

CGFloat centerX = textFieldFrame.origin.x;
CGFloat centerY = textFieldFrame.origin.y;

CABasicAnimation *animation = [[CABasicAnimation alloc] init];
animation.keyPath = @"position";
animation.duration = 0.07;
animation.repeatCount = 4;
animation.autoreverses = true;

NSPoint one = NSMakePoint(centerX-5, centerY);
NSPoint two = NSMakePoint(centerX+5, centerY);

animation.fromValue = [NSValue valueWithPoint:one];
animation.toValue = [NSValue valueWithPoint:two];

[textfield.layer addAnimation:animation forKey:@"position"];

注：[[textfield animator] setFrameOrigin:one];テキストフィールドを正常に移動します

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NSAnimationContext最終的に、完了時にそれぞれが別のアニメーション グループを呼び出す繰り返しアニメーション グループを使用することになりました。これを行うためのより良い方法があれば、私はまだ探しています。しかし、他の誰かがこれを必要とする場合に備えて、ここに私の解決策があります

NSRect textFieldFrame = [textfield frame];

CGFloat centerX = textFieldFrame.origin.x;
CGFloat centerY = textFieldFrame.origin.y;

NSPoint origin = NSMakePoint(centerX, centerY);
NSPoint one = NSMakePoint(centerX-5, centerY);
NSPoint two = NSMakePoint(centerX+5, centerY);


[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setCompletionHandler:^{

    [NSAnimationContext beginGrouping];
    [[NSAnimationContext currentContext] setCompletionHandler:^{


        [NSAnimationContext beginGrouping];
        [[NSAnimationContext currentContext] setCompletionHandler:^{

            [NSAnimationContext beginGrouping];
            [[NSAnimationContext currentContext] setCompletionHandler:^{

                [[NSAnimationContext currentContext] setDuration:0.0175];
                [[NSAnimationContext currentContext] setTimingFunction: [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseOut]];
                [[textfield animator] setFrameOrigin:origin];

            }];

            [[NSAnimationContext currentContext] setDuration:0.0175];
            [[NSAnimationContext currentContext] setTimingFunction: [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseOut]];
            [[textfield animator] setFrameOrigin:two];
            [NSAnimationContext endGrouping];

        }];

        [[NSAnimationContext currentContext] setDuration:0.0175];
        [[NSAnimationContext currentContext] setTimingFunction: [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseOut]];
        [[textfield animator] setFrameOrigin:one];
        [NSAnimationContext endGrouping];
    }];

    [[NSAnimationContext currentContext] setDuration:0.0175];
    [[NSAnimationContext currentContext] setTimingFunction: [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseOut]];
    [[textfield animator] setFrameOrigin:two];
    [NSAnimationContext endGrouping];

}];

[[NSAnimationContext currentContext] setDuration:0.0175];
[[NSAnimationContext currentContext] setTimingFunction: [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseOut]];
[[textfield animator] setFrameOrigin:one];
[NSAnimationContext endGrouping];
于 2015-03-30T22:46:48.437 に答える