npike

fun <A, B, R> zipMergeLiveData(a: LiveData<A>, b: LiveData<B>, zipper: (A, B) -> R): LiveData<R> {
    return MediatorLiveData<R>().apply {
        var lastA: A? = null
        var lastB: B? = null

        fun update() {
            val localLastA = lastA
            val localLastB = lastB
            if (localLastA != null && localLastB != null) {
                val foo = zipper.invoke(localLastA, localLastB)

npike

import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Animatable;