JuhaniLehtimaeki

fun showEmptyEquipmentState(show: Boolean) {
  TransitionManager.beginDelayedTransition(content_root)
  empty_equipment.isGone = !show
        
  Handler().postDelayed({
    if (isAdded) {
      equipment_edit_highlight.isSelected = show
    }
  }, 800)
}

JuhaniLehtimaeki

override fun onDataChanged() {
  super.onDataChanged()
  showEmptyEquipmentState(equipmentAdapter.itemCount <= 0)
}

JuhaniLehtimaeki

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_selected="true">
        <objectAnimator
            android:duration="200"
            android:propertyName="elevation"
            android:valueTo="6dp"
            android:valueType="floatType" />
    </item>

JuhaniLehtimaeki

<FrameLayout
  android:id="@+id/header"
  android:layout_width="match_parent"
  android:layout_height="52dp"
  android:background="#ffffff"
  android:stateListAnimator="@animator/toolbar_elevation">

JuhaniLehtimaeki

scroll_view.setOnScrollChangeListener { _, _, _, _, _ ->
    header.isSelected = scroll_view.canScrollVertically(-1)
}

JuhaniLehtimaeki

<?xml version="1.0" encoding="utf-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@color/category_subject" />
    <item android:drawable="@color/category_equipment" />
</transition>

JuhaniLehtimaeki

<?xml version="1.0" encoding="utf-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
    <item android:drawable="@color/category_subject" />
    <item android:drawable="@color/category_equipment" />
</transition>

JuhaniLehtimaeki

        val transition = onboarding_overlay.background as TransitionDrawable
        transition.reverseTransition(500)

JuhaniLehtimaeki

        val transition = onboarding_overlay.background as TransitionDrawable
        transition.startTransition(500)

        supportFragmentManager.beginTransaction()
                .replace(R.id.onboarding_overlay, EquipmentOnboardingFragment())
                .setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out)
                .commit()

JuhaniLehtimaeki

import android.arch.lifecycle.LiveData
import com.google.firebase.firestore.FirebaseFirestore


class AppConfigLiveData : LiveData<AndroidAppConfig>() {

    var db = FirebaseFirestore.getInstance()

    override fun onActive() {
        super.onActive()