MD2'ified the category list hopper

Also library recycler now scrolls a bit to match the padding when exposing the list
This commit is contained in:
Jay 2020-05-05 01:12:19 -04:00
parent 113107e05c
commit 1ef2c6e67c
5 changed files with 75 additions and 26 deletions

View File

@ -172,7 +172,7 @@ class LibraryController(
preferences.lastUsedCategory().set(order)
activeCategory = order
setActiveCategory()
if (presenter.categories.size > 1 && dy != 0) {
if (presenter.categories.size > 1 && dy != 0 && recyclerView.translationY == 0f) {
val headerItem = getHeader() ?: return
val view = fast_scroller ?: return
@ -334,7 +334,7 @@ class LibraryController(
}
category_recycler.onCategoryClicked = {
scrollToHeader(it)
showCategories(false)
showCategories(show = false, scroll = false)
}
category_recycler.onShowAllClicked = { isChecked ->
preferences.showAllCategories().set(isChecked)
@ -601,15 +601,29 @@ class LibraryController(
}
}
private fun showCategories(show: Boolean) {
private fun showCategories(show: Boolean, scroll: Boolean = true) {
recycler_cover.isClickable = show
recycler_cover.isFocusable = show
val translateY = if (show) {
category_layout.height.toFloat() + recycler.paddingTop
} else {
0f
}
val full = category_layout.height.toFloat() + recycler.paddingTop
val translateY = if (show) full else 0f
recycler.animate().translationY(translateY).start()
if (scroll) {
// Smooth scroll the recycler to hide the hidden content blocked by the app bar
ValueAnimator.ofInt(recycler.translationY.roundToInt(), translateY.roundToInt()).apply {
var start = 0f
var last = recycler.translationY.roundToInt()
val distance = abs(recycler.translationY.roundToInt() - translateY.roundToInt())
addUpdateListener {
val diff = abs(it.animatedValue as Int - last)
last = it.animatedValue as Int
start += diff.toFloat() / distance * recycler.paddingTop.toFloat()
if (start > 1) {
recycler.scrollBy(0, start.toInt() * if (show) 1 else -1)
start %= 1
}
}
}.start()
}
recycler_cover.animate().translationY(translateY).start()
recycler_cover.animate().alpha(if (show) 0.75f else 0f).start()
if (show) {

View File

@ -0,0 +1,38 @@
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="@color/fullRippleColor">
<item android:id="@android:id/mask"
android:left="12dp"
android:right="12dp">
<shape android:shape="rectangle">
<corners android:radius="4dp" />
<solid android:color="@color/fullRippleColor" />
</shape>
</item>
<item
android:left="12dp"
android:right="12dp">
<selector>
<item android:state_selected="true">
<shape android:shape="rectangle">
<corners android:radius="4dp" />
<solid android:color="@color/rippleColor" />
</shape>
</item>
<item android:state_activated="true">
<shape android:shape="rectangle">
<corners android:radius="4dp" />
<solid android:color="@color/fullRippleColor" />
</shape>
</item>
<item android:id="@android:id/mask">
<shape android:shape="rectangle">
<corners android:radius="4dp" />
<solid android:color="?android:colorBackground" />
</shape>
</item>
</selector>
</item>
</ripple>

View File

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="@color/gray_button">
android:color="@color/fullRippleColor">
<item android:id="@android:id/mask">
<shape android:shape="rectangle">
<corners android:radius="4dp" />

View File

@ -1,20 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
<com.google.android.material.textview.MaterialTextView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/category_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:tools="http://schemas.android.com/tools"
android:background="@drawable/list_item_selector">
<com.google.android.material.textview.MaterialTextView
android:id="@+id/category_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/list_item_selector"
android:paddingStart="12dp"
android:paddingTop="8dp"
android:paddingEnd="0dp"
android:paddingBottom="8dp"
tools:text="@string/categories"
android:textAppearance="@style/TextAppearance.MaterialComponents.Headline6"
android:textSize="16sp" />
</FrameLayout>
android:layout_marginTop="2dp"
android:layout_marginBottom="2dp"
android:background="@drawable/material_list_item_selector"
android:paddingStart="24dp"
android:paddingTop="8dp"
android:paddingEnd="0dp"
android:paddingBottom="8dp"
android:textAppearance="@style/TextAppearance.MaterialComponents.Headline6"
android:textSize="16sp"
tools:text="@string/categories" />

View File

@ -33,6 +33,7 @@
android:id="@+id/category_recycler"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:paddingBottom="4dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"