Added new search functionality to module screen

app/src/main/java/com/topjohnwu/magisk/data/database/Repo.kt

@@ -8,7 +8,12 @@ import com.topjohnwu.magisk.model.entity.module.Repo
 
 interface RepoBase {
 
-    fun getRepos(offset: Int, limit: Int = 10): List<Repo>
+    fun getRepos(offset: Int, limit: Int = LIMIT): List<Repo>
+    fun searchRepos(query: String, offset: Int, limit: Int = LIMIT): List<Repo>
+
+    companion object {
+        const val LIMIT = 10
+    }
 
 }
 
@@ -18,6 +23,19 @@ interface RepoByUpdatedDao : RepoBase {
     @Query("SELECT * FROM repos ORDER BY last_update DESC LIMIT :limit OFFSET :offset")
     override fun getRepos(offset: Int, limit: Int): List<Repo>
 
+    @Query(
+        """SELECT * 
+        FROM repos
+        WHERE 
+            (author LIKE '%' || :query || '%') ||
+            (name LIKE '%' || :query || '%') ||
+            (description LIKE '%' || :query || '%')
+        ORDER BY last_update DESC
+        LIMIT :limit 
+        OFFSET :offset"""
+    )
+    override fun searchRepos(query: String, offset: Int, limit: Int): List<Repo>
+
 }
 
 @Dao
@@ -26,4 +44,18 @@ interface RepoByNameDao : RepoBase {
     @Query("SELECT * FROM repos ORDER BY name COLLATE NOCASE LIMIT :limit OFFSET :offset")
     override fun getRepos(offset: Int, limit: Int): List<Repo>
 
+    @Query(
+        """SELECT * 
+        FROM repos
+        WHERE 
+            (author LIKE '%' || :query || '%') ||
+            (name LIKE '%' || :query || '%') ||
+            (description LIKE '%' || :query || '%')
+        ORDER BY name COLLATE NOCASE
+        LIMIT :limit 
+        OFFSET :offset"""
+    )
+    override fun searchRepos(query: String, offset: Int, limit: Int): List<Repo>
+
+
 }

app/src/main/java/com/topjohnwu/magisk/redesign/MainActivity.kt

@@ -116,19 +116,7 @@ open class MainActivity : CompatActivity<MainViewModel, ActivityMainMd2Binding>(
         transactionType: FragNavController.TransactionType
     ) {
         setDisplayHomeAsUpEnabled(!navigation.isRoot)
-
+        requestNavigationHidden(!navigation.isRoot)
-        val lapam = binding.mainBottomBar.layoutParams as ViewGroup.MarginLayoutParams
-        val height = binding.mainBottomBar.measuredHeight
-        val verticalMargin = lapam.let { it.topMargin + it.bottomMargin }
-        val maxTranslation = height + verticalMargin
-        val translation = if (navigation.isRoot) 0 else maxTranslation
-
-        binding.mainBottomBar.animate()
-            .translationY(translation.toFloat())
-            .setInterpolator(FastOutSlowInInterpolator())
-            .withStartAction { if (navigation.isRoot) binding.mainBottomBar.isVisible = true }
-            .withEndAction { if (!navigation.isRoot) binding.mainBottomBar.isVisible = false }
-            .start()
     }
 
     override fun peekSystemWindowInsets(insets: Insets) {
@@ -143,4 +131,19 @@ open class MainActivity : CompatActivity<MainViewModel, ActivityMainMd2Binding>(
         }
     }
 
+    internal fun requestNavigationHidden(hide: Boolean = true) {
+        val lapam = binding.mainBottomBar.layoutParams as ViewGroup.MarginLayoutParams
+        val height = binding.mainBottomBar.measuredHeight
+        val verticalMargin = lapam.let { it.topMargin + it.bottomMargin }
+        val maxTranslation = height + verticalMargin
+        val translation = if (!hide) 0 else maxTranslation
+
+        binding.mainBottomBar.animate()
+            .translationY(translation.toFloat())
+            .setInterpolator(FastOutSlowInInterpolator())
+            .withStartAction { if (!hide) binding.mainBottomBar.isVisible = true }
+            .withEndAction { if (hide) binding.mainBottomBar.isVisible = false }
+            .start()
+    }
+
 }

app/src/main/java/com/topjohnwu/magisk/redesign/compat/CompatFragment.kt

@@ -18,7 +18,7 @@ abstract class CompatFragment<ViewModel : CompatViewModel, Binding : ViewDataBin
 
     private val delegate by lazy { CompatDelegate(this) }
 
-    private val compatActivity get() = requireActivity() as CompatActivity<*, *>
+    protected val compatActivity get() = requireActivity() as CompatActivity<*, *>
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)

app/src/main/java/com/topjohnwu/magisk/redesign/compat/Queryable.kt

@@ -0,0 +1,26 @@
+package com.topjohnwu.magisk.redesign.compat
+
+import android.os.Handler
+import android.os.Looper
+
+interface Queryable {
+
+    val queryDelay: Long
+    val queryHandler: Handler
+    val queryRunnable: Runnable
+
+    fun submitQuery()
+
+    companion object {
+        fun impl(delay: Long = 1000L) = object : Queryable {
+            override val queryDelay = delay
+            override val queryHandler = Handler(Looper.getMainLooper())
+            override val queryRunnable = Runnable { TODO() }
+
+            override fun submitQuery() {
+                queryHandler.removeCallbacks(queryRunnable)
+                queryHandler.postDelayed(queryRunnable, queryDelay)
+            }
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/redesign/hide/HideViewModel.kt

@@ -1,8 +1,6 @@
 package com.topjohnwu.magisk.redesign.hide
 
 import android.content.pm.ApplicationInfo
-import android.os.Handler
-import android.os.Looper
 import androidx.databinding.Bindable
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.data.repository.MagiskRepository
@@ -16,20 +14,18 @@ import com.topjohnwu.magisk.model.entity.StatefulProcess
 import com.topjohnwu.magisk.model.entity.recycler.HideItem
 import com.topjohnwu.magisk.model.entity.recycler.HideProcessItem
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
+import com.topjohnwu.magisk.redesign.compat.Queryable
 import com.topjohnwu.magisk.redesign.home.itemBindingOf
 import com.topjohnwu.magisk.utils.DiffObservableList
 import com.topjohnwu.magisk.utils.FilterableDiffObservableList
 import com.topjohnwu.magisk.utils.KObservableField
 import com.topjohnwu.magisk.utils.currentLocale
-import io.reactivex.Single
-import io.reactivex.android.schedulers.AndroidSchedulers
 
 class HideViewModel(
     private val magiskRepo: MagiskRepository
-) : CompatViewModel() {
+) : CompatViewModel(), Queryable by Queryable.impl(1000) {
 
-    private val queryHandler = Handler(Looper.getMainLooper())
+    override val queryRunnable = Runnable { query() }
-    private val queryRunnable = Runnable { query() }
 
     var isShowSystem = false
         @Bindable get
@@ -67,7 +63,7 @@ class HideViewModel(
         .applyViewModel(this)
         .subscribeK {
             items.update(it.first, it.second)
-            query()
+            submitQuery()
         }
 
     // ---
@@ -87,9 +83,9 @@ class HideViewModel(
 
     // ---
 
-    private fun submitQuery() {
+    override fun submitQuery() {
         queryHandler.removeCallbacks(queryRunnable)
-        queryHandler.postDelayed(queryRunnable, 1000)
+        queryHandler.postDelayed(queryRunnable, queryDelay)
     }
 
     private fun query(
@@ -130,7 +126,7 @@ class HideViewModel(
 
 }
 
-inline fun <T : ComparableRvItem<T>> filterableListOf(
+inline fun <T : ComparableRvItem<*>> filterableListOf(
     vararg newItems: T
 ) = FilterableDiffObservableList(object : DiffObservableList.Callback<T> {
     override fun areItemsTheSame(oldItem: T, newItem: T) = oldItem.genericItemSameAs(newItem)

app/src/main/java/com/topjohnwu/magisk/redesign/module/ModuleFragment.kt

@@ -5,7 +5,10 @@ import android.os.Bundle
 import android.view.View
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.FragmentModuleMd2Binding
+import com.topjohnwu.magisk.redesign.MainActivity
 import com.topjohnwu.magisk.redesign.compat.CompatFragment
+import com.topjohnwu.magisk.redesign.compat.hideKeyboard
+import com.topjohnwu.magisk.redesign.hide.MotionRevealHelper
 import com.topjohnwu.magisk.utils.EndlessRecyclerScrollListener
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
@@ -14,7 +17,7 @@ class ModuleFragment : CompatFragment<ModuleViewModel, FragmentModuleMd2Binding>
     override val layoutRes = R.layout.fragment_module_md2
     override val viewModel by viewModel<ModuleViewModel>()
 
-    private lateinit var listener: EndlessRecyclerScrollListener
+    private val listeners = hashSetOf<EndlessRecyclerScrollListener>()
 
     override fun consumeSystemWindowInsets(insets: Insets) = insets
 
@@ -26,21 +29,45 @@ class ModuleFragment : CompatFragment<ModuleViewModel, FragmentModuleMd2Binding>
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setEndlessScroller()
+        setEndlessSearch()
+
+        binding.moduleFilterToggle.setOnClickListener {
+            (activity as? MainActivity)?.requestNavigationHidden()
+            MotionRevealHelper.withViews(binding.moduleFilter, binding.moduleFilterToggle, true)
+        }
+        binding.moduleFilterInclude.moduleFilterDone.setOnClickListener {
+            (activity as? MainActivity)?.requestNavigationHidden(false)
+            hideKeyboard()
+            MotionRevealHelper.withViews(binding.moduleFilter, binding.moduleFilterToggle, false)
+        }
     }
 
     override fun onDestroyView() {
-        if (this::listener.isInitialized) {
+        listeners.forEach {
-            binding.moduleRemote.removeOnScrollListener(listener)
+            binding.moduleRemote.removeOnScrollListener(it)
+            binding.moduleFilterInclude.moduleFilterList.removeOnScrollListener(it)
         }
         super.onDestroyView()
     }
 
+    override fun onPreBind(binding: FragmentModuleMd2Binding) = Unit
+
     private fun setEndlessScroller() {
         val lama = binding.moduleRemote.layoutManager ?: return
         lama.isAutoMeasureEnabled = false
 
-        listener = EndlessRecyclerScrollListener(lama, viewModel::loadRemote)
+        val listener = EndlessRecyclerScrollListener(lama, viewModel::loadRemote)
         binding.moduleRemote.addOnScrollListener(listener)
+        listeners.add(listener)
+    }
+
+    private fun setEndlessSearch() {
+        val lama = binding.moduleFilterInclude.moduleFilterList.layoutManager ?: return
+        lama.isAutoMeasureEnabled = false
+
+        val listener = EndlessRecyclerScrollListener(lama, viewModel::loadMoreQuery)
+        binding.moduleFilterInclude.moduleFilterList.addOnScrollListener(listener)
+        listeners.add(listener)
     }
 
 }

app/src/main/java/com/topjohnwu/magisk/redesign/module/ModuleViewModel.kt

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.redesign.module
 
 import androidx.annotation.WorkerThread
+import androidx.databinding.Bindable
 import androidx.databinding.ViewDataBinding
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.Config
@@ -19,11 +20,14 @@ import com.topjohnwu.magisk.model.entity.recycler.RepoItem
 import com.topjohnwu.magisk.model.entity.recycler.SectionTitle
 import com.topjohnwu.magisk.model.events.dialog.ModuleInstallDialog
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
+import com.topjohnwu.magisk.redesign.compat.Queryable
 import com.topjohnwu.magisk.redesign.home.itemBindingOf
 import com.topjohnwu.magisk.redesign.superuser.diffListOf
 import com.topjohnwu.magisk.tasks.RepoUpdater
+import com.topjohnwu.magisk.utils.KObservableField
 import com.topjohnwu.magisk.utils.currentLocale
 import io.reactivex.Single
+import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.Disposable
 import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
 import timber.log.Timber
@@ -33,7 +37,27 @@ class ModuleViewModel(
     private val repoName: RepoByNameDao,
     private val repoUpdated: RepoByUpdatedDao,
     private val repoUpdater: RepoUpdater
-) : CompatViewModel() {
+) : CompatViewModel(), Queryable by Queryable.impl(1000) {
+
+    override val queryRunnable = Runnable { query() }
+
+    var query = ""
+        @Bindable get
+        set(value) {
+            if (field == value) return
+            field = value
+            notifyPropertyChanged(BR.query)
+            submitQuery()
+            // Yes we do lie about the search being loaded
+            searchLoading.value = true
+        }
+
+    private var queryJob: Disposable? = null
+    val searchLoading = KObservableField(false)
+    val itemsSearch = diffListOf<RepoItem>()
+    val itemSearchBinding = itemBindingOf<RepoItem> {
+        it.bindExtra(BR.viewModel, this)
+    }
 
     val adapter = adapterOf<ComparableRvItem<*>>()
     val items = diffListOf<ComparableRvItem<*>>()
@@ -102,7 +126,7 @@ class ModuleViewModel(
             return
         }
         remoteJob = Single.fromCallable { itemsRemote.size }
-            .flatMap { loadRepos(offset = it) }
+            .flatMap { loadRemoteInternal(offset = it) }
             .map { it.map { RepoItem(it) } }
             .subscribeK(onError = {
                 Timber.e(it)
@@ -114,14 +138,49 @@ class ModuleViewModel(
             }
     }
 
-    private fun loadRepos(
+    // ---
+
+    override fun submitQuery() {
+        queryHandler.removeCallbacks(queryRunnable)
+        queryHandler.postDelayed(queryRunnable, queryDelay)
+    }
+
+    private fun queryInternal(query: String, offset: Int): Single<List<RepoItem>> {
+        if (query.isBlank()) {
+            return Single.just(listOf<RepoItem>())
+                .doOnSubscribe { itemsSearch.clear() }
+                .subscribeOn(AndroidSchedulers.mainThread())
+        }
+        return Single.fromCallable { dao.searchRepos(query, offset) }
+            .map { it.map { RepoItem(it) } }
+    }
+
+    private fun query(query: String = this.query, offset: Int = 0) {
+        queryJob?.dispose()
+        queryJob = queryInternal(query, offset)
+            .map { it to itemsSearch.calculateDiff(it) }
+            .observeOn(AndroidSchedulers.mainThread())
+            .doOnSuccess { searchLoading.value = false }
+            .subscribeK { itemsSearch.update(it.first, it.second) }
+    }
+
+    @Synchronized
+    fun loadMoreQuery() {
+        if (queryJob?.isDisposed == false) return
+        queryJob = queryInternal(query, itemsSearch.size)
+            .subscribeK { itemsSearch.addAll(it) }
+    }
+
+    // ---
+
+    private fun loadRemoteInternal(
         offset: Int = 0,
         downloadRepos: Boolean = offset == 0
     ): Single<List<Repo>> = Single.fromCallable { dao.getRepos(offset) }.flatMap {
         when {
             // in case we find result empty and offset is initial we need to refresh the repos.
             downloadRepos && it.isEmpty() && offset == 0 -> downloadRepos()
-                .andThen(loadRepos(downloadRepos = false))
+                .andThen(loadRemoteInternal(downloadRepos = false))
             else -> Single.just(it)
         }
     }
@@ -137,10 +196,11 @@ class ModuleViewModel(
         .sortedBy { it.item.name.toLowerCase(currentLocale) }
         .toList()
 
-    private fun update(repo: Repo, progress: Int) = Single.fromCallable { itemsRemote }
+    private fun update(repo: Repo, progress: Int) =
-        .map { it.first { it.item.id == repo.id } }
+        Single.fromCallable { itemsRemote + itemsSearch }
-        .subscribeK { it.progress.value = progress }
+            .map { it.first { it.item.id == repo.id } }
-        .add()
+            .subscribeK { it.progress.value = progress }
+            .add()
 
     // ---
 

app/src/main/res/drawable/bg_shadow.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="270"
+        android:endColor="?colorSurfaceVariant"
+        android:startColor="@android:color/transparent" />
+</shape>

app/src/main/res/layout/fragment_module_md2.xml

@@ -15,23 +15,61 @@
 
     </data>
 
-    <androidx.recyclerview.widget.RecyclerView
+    <FrameLayout
-        android:id="@+id/module_remote"
-        adapter="@{viewModel.adapter}"
-        dividerHorizontal="@{R.drawable.divider_l1}"
-        dividerVertical="@{R.drawable.divider_l1}"
-        itemBinding="@{viewModel.itemBinding}"
-        items="@{viewModel.items}"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="match_parent">
-        android:clipToPadding="false"
+
-        android:orientation="vertical"
+        <androidx.recyclerview.widget.RecyclerView
-        android:paddingStart="@dimen/l1"
+            android:id="@+id/module_remote"
-        android:paddingTop="@{viewModel.insets.top + (int) @dimen/internal_action_bar_size + (int) @dimen/l1}"
+            adapter="@{viewModel.adapter}"
-        android:paddingEnd="0dp"
+            dividerHorizontal="@{R.drawable.divider_l1}"
-        android:paddingBottom="@{viewModel.insets.bottom}"
+            dividerVertical="@{R.drawable.divider_l1}"
-        app:layoutManager="androidx.recyclerview.widget.StaggeredGridLayoutManager"
+            itemBinding="@{viewModel.itemBinding}"
-        app:spanCount="2"
+            items="@{viewModel.items}"
-        tools:listitem="@layout/item_module_md2" />
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clipToPadding="false"
+            android:orientation="vertical"
+            android:paddingStart="@dimen/l1"
+            android:paddingTop="@{viewModel.insets.top + (int) @dimen/internal_action_bar_size + (int) @dimen/l1}"
+            android:paddingEnd="0dp"
+            android:paddingBottom="@{viewModel.insets.bottom}"
+            app:layoutManager="androidx.recyclerview.widget.StaggeredGridLayoutManager"
+            app:spanCount="2"
+            tools:listitem="@layout/item_module_md2" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/module_filter_toggle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|end"
+            android:layout_marginStart="@dimen/l1"
+            android:layout_marginEnd="@dimen/l1"
+            android:layout_marginBottom="@{viewModel.insets.bottom + (int) @dimen/l1}"
+            app:backgroundTint="?colorSurface"
+            app:srcCompat="@drawable/ic_filter"
+            app:tint="?colorPrimary"
+            tools:layout_marginBottom="64dp" />
+
+        <com.google.android.material.circularreveal.cardview.CircularRevealCardView
+            android:id="@+id/module_filter"
+            style="?styleCardVariant"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_gravity="bottom"
+            android:visibility="invisible"
+            app:cardCornerRadius="0dp">
+
+            <include
+                android:id="@+id/module_filter_include"
+                layout="@layout/include_module_filter"
+                viewModel="@{viewModel}"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+
+        </com.google.android.material.circularreveal.cardview.CircularRevealCardView>
+
+    </FrameLayout>
+
 
 </layout>

app/src/main/res/layout/include_module_filter.xml

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <import type="com.topjohnwu.magisk.R" />
+
+        <variable
+            name="viewModel"
+            type="com.topjohnwu.magisk.redesign.module.ModuleViewModel" />
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:clipToPadding="false"
+        android:orientation="vertical"
+        android:paddingBottom="@{viewModel.insets.bottom + (int) @dimen/l1}"
+        tools:layout_gravity="bottom"
+        tools:paddingBottom="64dp">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/module_filter_list"
+            dividerHorizontal="@{R.drawable.divider_l1}"
+            dividerVertical="@{R.drawable.divider_l1}"
+            itemBinding="@{viewModel.itemSearchBinding}"
+            items="@{viewModel.itemsSearch}"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginBottom="@dimen/l1"
+            android:clipToPadding="false"
+            android:orientation="vertical"
+            android:paddingStart="@dimen/l1"
+            android:paddingTop="@{viewModel.insets.top + (int) @dimen/internal_action_bar_size + (int) @dimen/l1}"
+            app:layoutManager="androidx.recyclerview.widget.StaggeredGridLayoutManager"
+            app:layout_constrainedHeight="true"
+            app:layout_constraintBottom_toTopOf="@+id/module_filter_title_search"
+            app:layout_constraintTop_toTopOf="parent"
+            app:reverseLayout="false"
+            app:spanCount="2"
+            tools:listitem="@layout/item_repo_md2" />
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/l_50"
+            android:background="@drawable/bg_shadow"
+            app:layout_constraintBottom_toBottomOf="@+id/module_filter_list" />
+
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/module_filter_title_search"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/l1"
+            android:layout_marginEnd="@dimen/l1"
+            android:layout_marginBottom="@dimen/l1"
+            android:text="@string/hide_search"
+            android:textAllCaps="true"
+            android:textAppearance="?appearanceTextCaptionNormal"
+            android:textColor="?colorPrimary"
+            android:textStyle="bold"
+            app:layout_constraintBottom_toTopOf="@+id/module_filter_search" />
+
+        <com.google.android.material.card.MaterialCardView
+            android:id="@+id/module_filter_search"
+            style="?styleCardNormal"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/l1"
+            android:layout_marginEnd="@dimen/l1"
+            android:layout_marginBottom="@dimen/l_50"
+            app:cardCornerRadius="18dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/module_filter_done"
+            app:layout_constraintStart_toStartOf="parent">
+
+            <androidx.appcompat.widget.AppCompatImageView
+                style="?styleIconNormal"
+                android:layout_width="48dp"
+                android:layout_height="36dp"
+                android:layout_gravity="center_vertical|start"
+                android:padding="6dp"
+                app:srcCompat="@drawable/ic_search_md2"
+                app:tint="?colorDisabled" />
+
+            <androidx.appcompat.widget.AppCompatEditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="48dp"
+                android:background="@null"
+                android:hint="@string/hide_filter_hint"
+                android:inputType="textUri"
+                android:minHeight="36dp"
+                android:paddingStart="0dp"
+                android:paddingEnd="@dimen/l1"
+                android:singleLine="true"
+                android:text="@={viewModel.query}"
+                android:textAppearance="?appearanceTextBodyNormal"
+                android:textColor="?colorTextTransient"
+                android:textColorHint="?colorOnSurfaceVariant" />
+
+        </com.google.android.material.card.MaterialCardView>
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/module_filter_done"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="@dimen/l1"
+            app:backgroundTint="?colorPrimary"
+            app:elevation="0dp"
+            app:fabSize="mini"
+            app:layout_constraintBottom_toBottomOf="@+id/module_filter_search"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/module_filter_search"
+            app:srcCompat="@drawable/ic_check_md2" />
+
+        <ProgressBar
+            style="?styleProgressIndeterminateCircular"
+            goneUnless="@{viewModel.searchLoading}"
+            android:layout_width="56dp"
+            android:layout_height="56dp"
+            app:layout_constraintBottom_toBottomOf="@+id/module_filter_done"
+            app:layout_constraintEnd_toEndOf="@+id/module_filter_done"
+            app:layout_constraintStart_toStartOf="@+id/module_filter_done"
+            app:layout_constraintTop_toTopOf="@+id/module_filter_done" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>

app/src/main/res/values-v21/styles_md2_impl.xml

@@ -8,4 +8,11 @@
         <item name="android:indeterminateTint">?colorPrimary</item>
     </style>
 
+    <style name="WidgetFoundation.ProgressBar.Indeterminate.Circular" parent="Widget.AppCompat.ProgressBar">
+        <item name="android:indeterminate">true</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:indeterminateTint">?colorPrimary</item>
+    </style>
+
 </resources>

app/src/main/res/values/attrs.xml

@@ -50,6 +50,7 @@
     <!--Progress-->
     <attr name="styleProgressDeterminate" format="reference" />
     <attr name="styleProgressIndeterminate" format="reference" />
+    <attr name="styleProgressIndeterminateCircular" format="reference" />
 
     <!--endregion-->
 

app/src/main/res/values/styles_md2.xml

@@ -56,7 +56,11 @@
         <item name="styleRadioNormal">@style/WidgetFoundation.RadioButton</item>
 
         <item name="styleProgressDeterminate">@style/WidgetFoundation.ProgressBar</item>
-        <item name="styleProgressIndeterminate">@style/WidgetFoundation.ProgressBar.Indeterminate
+        <item name="styleProgressIndeterminate">
+            @style/WidgetFoundation.ProgressBar.Indeterminate
+        </item>
+        <item name="styleProgressIndeterminateCircular">
+            @style/WidgetFoundation.ProgressBar.Indeterminate.Circular
         </item>
 
         <!--///-->

app/src/main/res/values/styles_md2_impl.xml

@@ -162,4 +162,10 @@ variant. Make sure to use style referenced by attribute defined it attrs.xml.
         <item name="android:layout_width">100dp</item>
     </style>
 
+    <style name="WidgetFoundation.ProgressBar.Indeterminate.Circular" parent="Widget.AppCompat.ProgressBar">
+        <item name="android:indeterminate">true</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:layout_width">wrap_content</item>
+    </style>
+
 </resources>