AnimationUtils.java

/*
 * Copyright 2014 Klinker Apps Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package xyz.klinker.blur.addons.utils;

import android.animation.Keyframe;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.view.View;
import xyz.klinker.blur.R;

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.nope_animation_spacing);

        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);
    }
}