Matrix to Matrix implementation

MatrixEvaluator.java

import android.animation.TypeEvaluator;
import android.graphics.Matrix;

public class MatrixEvaluator implements TypeEvaluator<Matrix> {
    private Matrix evaluated = new Matrix();
    private float[] values = new float[9];
    private float[] startValues = new float[9];
    private float[] endValues = new float[9];

    @Override
    public Matrix evaluate(float fraction, Matrix startValue, Matrix endValue) {
        startValue.getValues(startValues);
        endValue.getValues(endValues);

        for (int i = 0; i < 9; i++) {
            values[i] = startValues[i] * (1 - fraction) + endValues[i] * fraction;
        }
        evaluated.setValues(values);
        return evaluated;
    }
}

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