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| public class AnimationUtils {
public static ObjectAnimator tada(View view) {
return tada(view, 1f);
}
public static ObjectAnimator tada(View view, float shakeFactor) {
PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofKeyframe(View.SCALE_X,
Keyframe.ofFloat(0f, 1f),
Keyframe.ofFloat(.1f, .9f),
Keyframe.ofFloat(.2f, .9f),
Keyframe.ofFloat(.3f, 1.1f),
Keyframe.ofFloat(.4f, 1.1f),
Keyframe.ofFloat(.5f, 1.1f),
Keyframe.ofFloat(.6f, 1.1f),
Keyframe.ofFloat(.7f, 1.1f),
Keyframe.ofFloat(.8f, 1.1f),
Keyframe.ofFloat(.9f, 1.1f),
Keyframe.ofFloat(1f, 1f)
);
PropertyValuesHolder pvhScaleY = PropertyValuesHolder.ofKeyframe(View.SCALE_Y,
Keyframe.ofFloat(0f, 1f),
Keyframe.ofFloat(.1f, .9f),
Keyframe.ofFloat(.2f, .9f),
Keyframe.ofFloat(.3f, 1.1f),
Keyframe.ofFloat(.4f, 1.1f),
Keyframe.ofFloat(.5f, 1.1f),
Keyframe.ofFloat(.6f, 1.1f),
Keyframe.ofFloat(.7f, 1.1f),
Keyframe.ofFloat(.8f, 1.1f),
Keyframe.ofFloat(.9f, 1.1f),
Keyframe.ofFloat(1f, 1f)
);
PropertyValuesHolder pvhRotate = PropertyValuesHolder.ofKeyframe(View.ROTATION,
Keyframe.ofFloat(0f, 0f),
Keyframe.ofFloat(.1f, -3f * shakeFactor),
Keyframe.ofFloat(.2f, -3f * shakeFactor),
Keyframe.ofFloat(.3f, 3f * shakeFactor),
Keyframe.ofFloat(.4f, -3f * shakeFactor),
Keyframe.ofFloat(.5f, 3f * shakeFactor),
Keyframe.ofFloat(.6f, -3f * shakeFactor),
Keyframe.ofFloat(.7f, 3f * shakeFactor),
Keyframe.ofFloat(.8f, -3f * shakeFactor),
Keyframe.ofFloat(.9f, 3f * shakeFactor),
Keyframe.ofFloat(1f, 0)
);
return ObjectAnimator.ofPropertyValuesHolder(view, pvhScaleX, pvhScaleY, pvhRotate).
setDuration(1000);
}
public static ObjectAnimator nope(View view) {
int delta = view.getResources().getDimensionPixelOffset(R.dimen.spacing_medium);
PropertyValuesHolder pvhTranslateX = PropertyValuesHolder.ofKeyframe(View.TRANSLATION_X,
Keyframe.ofFloat(0f, 0),
Keyframe.ofFloat(.10f, -delta),
Keyframe.ofFloat(.26f, delta),
Keyframe.ofFloat(.42f, -delta),
Keyframe.ofFloat(.58f, delta),
Keyframe.ofFloat(.74f, -delta),
Keyframe.ofFloat(.90f, delta),
Keyframe.ofFloat(1f, 0f)
);
return ObjectAnimator.ofPropertyValuesHolder(view, pvhTranslateX).
setDuration(500);
}
}
|
