Add to repo

.gitignore

@@ -1,55 +1,20 @@
-# Built application files
-*.apk
-*.ap_
-
-# Files for the ART/Dalvik VM
-*.dex
-
-# Java class files
-*.class
-
 # Generated files
 bin/
 gen/
-out/
 
 # Gradle files
 .gradle/
 build/
+/*/build/
 
 # Local configuration file (sdk path, etc)
 local.properties
 
-# Proguard folder generated by Eclipse
-proguard/
-
 # Log Files
 *.log
 
-# Android Studio Navigation editor temp files
+.gradle
-.navigation/
+.idea
-
+.DS_Store
-# Android Studio captures folder
+/captures
-captures/
+*.iml
-
-# Intellij
-*.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/dictionaries
-.idea/libraries
-
-# Keystore files
-*.jks
-
-# External native build folder generated in Android Studio 2.2 and later
-.externalNativeBuild
-
-# Google Services (e.g. APIs or Firebase)
-google-services.json
-
-# Freeline
-freeline.py
-freeline/
-freeline_project_description.json

app/build.gradle

@@ -0,0 +1,36 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 'android-P'
+    defaultConfig {
+        applicationId "ru.touchin.checknewsupport"
+        minSdkVersion 24
+        targetSdkVersion 'P'
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'
+    implementation "com.android.support:design:28.0.0-alpha1"
+    implementation "com.android.support:recyclerview-selection:28.0.0-alpha1"
+    implementation 'com.android.support:slices-view:28.0.0-alpha1'
+    implementation 'com.android.support:slices-builders:28.0.0-alpha1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0-beta5'
+    implementation 'androidx.core:core-ktx:0.2'
+}
+
+repositories {
+    mavenCentral()
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="ru.touchin.checknewsupport">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".MaterialElementsActivity"/>
+        <activity
+            android:name=".ChipActivity"
+            android:windowSoftInputMode="adjustResize"/>
+        <activity android:name=".BottomAppBarActivity"/>
+        <activity android:name=".selection.SelectionActivity"/>
+        <activity android:name=".slices.SliceActivity"/>
+
+    </application>
+
+</manifest>

app/src/main/java/ru/touchin/checknewsupport/BottomAppBarActivity.kt

@@ -0,0 +1,29 @@
+package ru.touchin.checknewsupport
+
+import android.os.Bundle
+import android.support.design.bottomappbar.BottomAppBar
+import android.support.v7.app.AppCompatActivity
+import android.view.View
+
+class BottomAppBarActivity : AppCompatActivity() {
+
+    private lateinit var bottomAppBar: BottomAppBar
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_bottom_app_bar)
+        bottomAppBar = findViewById(R.id.bottom_appbar)
+
+        //setSupportActionBar(bottom_appbar) calling this breaks it!
+        bottomAppBar.replaceMenu(R.menu.bottom_app_menu)
+        findViewById<View>(R.id.toggle_alignment).setOnClickListener {
+            bottomAppBar.toggleAlignment()
+        }
+    }
+
+    private fun BottomAppBar.toggleAlignment() {
+        val current = fabAlignmentMode
+        fabAlignmentMode = current.xor(1)
+    }
+
+}

app/src/main/java/ru/touchin/checknewsupport/ChipActivity.kt

@@ -0,0 +1,65 @@
+package ru.touchin.checknewsupport
+
+import android.os.Bundle
+import android.support.design.chip.Chip
+import android.support.design.chip.ChipGroup
+import android.support.v4.content.ContextCompat
+import android.support.v7.app.AppCompatActivity
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.widget.EditText
+
+class ChipActivity : AppCompatActivity() {
+
+    private lateinit var chipGroupSingleLine: ChipGroup
+    private lateinit var chipGroupMultiLine: ChipGroup
+    private lateinit var chipGroupSingleLineBlock: View
+    private lateinit var newChipTextEdit: EditText
+    private lateinit var newChipAddButton: View
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_chip)
+
+        chipGroupMultiLine = findViewById(R.id.chip_group_multiple_line)
+        newChipTextEdit = findViewById(R.id.add_chip_text_field)
+        newChipAddButton = findViewById(R.id.add_chip_button)
+        chipGroupSingleLine = findViewById(R.id.chip_group_single_line)
+        chipGroupSingleLineBlock = findViewById(R.id.chip_group_single_line_block)
+
+        newChipAddButton.setOnClickListener {
+            chipGroupMultiLine.addView(createChip())
+            chipGroupSingleLine.addView(createChip())
+            newChipTextEdit.setText("")
+        }
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        return when (item?.itemId) {
+            R.id.change_group_visibility -> {
+                changeGroupVisibility()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.bottom_app_menu, menu)
+        return true
+    }
+
+    private fun changeGroupVisibility() {
+        val oldVisibility = chipGroupSingleLineBlock.visibility
+        chipGroupSingleLineBlock.visibility = chipGroupMultiLine.visibility
+        chipGroupMultiLine.visibility = oldVisibility
+    }
+
+    private fun createChip() = Chip(this).apply {
+        chipText = newChipTextEdit.text
+        isCheckable = true
+        isClickable = true
+        chipBackgroundColor = ContextCompat.getColorStateList(context, R.color.colorAccent)
+    }
+}

app/src/main/java/ru/touchin/checknewsupport/MainActivity.kt

@@ -0,0 +1,29 @@
+package ru.touchin.checknewsupport
+
+import android.content.Intent
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.view.View
+import ru.touchin.checknewsupport.selection.SelectionActivity
+import ru.touchin.checknewsupport.slices.SliceActivity
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.activity_main)
+
+        findViewById<View>(R.id.open_recycler_view_selection).setOnClickListener { openNewActivity(SelectionActivity::class.java) }
+        findViewById<View>(R.id.open_material_elements).setOnClickListener { openNewActivity(MaterialElementsActivity::class.java) }
+        findViewById<View>(R.id.open_chip).setOnClickListener { openNewActivity(ChipActivity::class.java) }
+        findViewById<View>(R.id.open_bottom_app_navigation).setOnClickListener { openNewActivity(BottomAppBarActivity::class.java) }
+        findViewById<View>(R.id.open_slice).setOnClickListener { openNewActivity(SliceActivity::class.java) }
+
+    }
+
+    private fun openNewActivity(cls: Class<*>) {
+        startActivity(Intent(this, cls))
+    }
+
+}

app/src/main/java/ru/touchin/checknewsupport/MaterialElementsActivity.kt

@@ -0,0 +1,12 @@
+package ru.touchin.checknewsupport
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+
+class MaterialElementsActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_material)
+    }
+}

app/src/main/java/ru/touchin/checknewsupport/selection/ActionModeController.kt

@@ -0,0 +1,33 @@
+package ru.touchin.checknewsupport.selection
+
+import android.support.v7.view.ActionMode
+import android.view.Menu
+import android.view.MenuItem
+import androidx.recyclerview.selection.SelectionTracker
+import ru.touchin.checknewsupport.R
+
+class ActionModeController(
+        private val tracker: SelectionTracker<*>
+) : ActionMode.Callback {
+
+    override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
+        mode.menuInflater.inflate(R.menu.action_menu, menu)
+        return true
+    }
+
+    override fun onDestroyActionMode(mode: ActionMode) {
+        tracker.clearSelection()
+    }
+
+    override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean = true
+
+    override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean = when (item.itemId) {
+        R.id.action_clear -> {
+            mode.finish()
+            true
+        }
+        else -> false
+    }
+
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/SelectionActivity.kt

@@ -0,0 +1,68 @@
+package ru.touchin.checknewsupport.selection
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.support.v7.view.ActionMode
+import android.support.v7.widget.DividerItemDecoration
+import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.selection.SelectionTracker
+import androidx.recyclerview.selection.StorageStrategy
+import ru.touchin.checknewsupport.R
+import ru.touchin.checknewsupport.selection.models.Word
+import ru.touchin.checknewsupport.selection.words.WordAdapter
+import ru.touchin.checknewsupport.selection.words.WordKeyProvider
+import ru.touchin.checknewsupport.selection.words.WordLookup
+
+class SelectionActivity : AppCompatActivity() {
+
+    private lateinit var recyclerView: RecyclerView
+    private var actionMode: ActionMode? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_selection)
+
+        recyclerView = findViewById(R.id.recycler_view)
+
+        val items = IntRange(0, 100).map { Word(it, it.toString()) }
+        val adapter = WordAdapter(items)
+
+        recyclerView.adapter = adapter
+        recyclerView.addItemDecoration(DividerItemDecoration(this, DividerItemDecoration.VERTICAL))
+
+        val tracker = SelectionTracker
+                .Builder<Word>(
+                        // индетифицируем трекер в констексе
+                        "someId",
+                        recyclerView,
+                        // для Long ItemKeyProvider реализован в виде StableIdKeyProvider
+                        WordKeyProvider(items),
+                        WordLookup(recyclerView),
+                        // существуют аналогичные реализации для Long и String
+                        StorageStrategy.createParcelableStorage(Word::class.java)
+                )
+                .build()
+
+        adapter.tracker = tracker
+
+        tracker.addObserver(object : SelectionTracker.SelectionObserver<Any>() {
+            override fun onSelectionChanged() {
+                super.onSelectionChanged()
+                if (tracker.hasSelection() && actionMode == null) {
+                    actionMode = startSupportActionMode(ActionModeController(tracker))
+                    setSelectedTitle(tracker.selection.size())
+                } else if (!tracker.hasSelection()) {
+                    actionMode?.finish()
+                    actionMode = null
+                } else {
+                    setSelectedTitle(tracker.selection.size())
+                }
+            }
+        })
+    }
+
+    private fun setSelectedTitle(selected: Int) {
+        actionMode?.title = "Selected: $selected"
+    }
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/ViewHolderWithDetails.kt

@@ -0,0 +1,9 @@
+package ru.touchin.checknewsupport.selection
+
+import androidx.recyclerview.selection.ItemDetailsLookup.ItemDetails
+
+interface ViewHolderWithDetails<TItem> {
+
+    fun getItemDetail(): ItemDetails<TItem>
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/models/Word.kt

@@ -0,0 +1,30 @@
+package ru.touchin.checknewsupport.selection.models
+
+import android.os.Parcel
+import android.os.Parcelable
+
+data class Word(val id: Int, val text: String) : Parcelable {
+    constructor(parcel: Parcel) : this(
+            parcel.readInt(),
+            parcel.readString()) {
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeInt(id)
+        parcel.writeString(text)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<Word> {
+        override fun createFromParcel(parcel: Parcel): Word {
+            return Word(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Word?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/ru/touchin/checknewsupport/selection/words/WordAdapter.kt

@@ -0,0 +1,53 @@
+package ru.touchin.checknewsupport.selection.words
+
+import android.support.v7.widget.RecyclerView
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.selection.SelectionTracker
+import ru.touchin.checknewsupport.R
+import ru.touchin.checknewsupport.selection.ViewHolderWithDetails
+import ru.touchin.checknewsupport.selection.models.Word
+import ru.touchin.checknewsupport.selection.words.WordAdapter.WordViewHolder
+
+class WordAdapter(private val items: List<Word>) : RecyclerView.Adapter<WordViewHolder>() {
+
+    lateinit var tracker: SelectionTracker<Word>
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = WordViewHolder(
+            LayoutInflater
+                    .from(parent.context)
+                    .inflate(R.layout.item_word, parent, false), items
+    )
+
+    override fun getItemCount() = items.size
+
+    override fun onBindViewHolder(holder: WordViewHolder, position: Int) = Unit
+
+    override fun onBindViewHolder(holder: WordViewHolder, position: Int, payloads: List<Any>) {
+        holder.setActivatedState(tracker.isSelected(items[position]))
+
+        if (SelectionTracker.SELECTION_CHANGED_MARKER !in payloads) {
+            holder.changeText(items[position])
+        }
+
+    }
+
+    class WordViewHolder(itemView: View, private val items: List<Word>) : RecyclerView.ViewHolder(itemView), ViewHolderWithDetails<Word> {
+
+        private val text: TextView = itemView.findViewById(R.id.item_word_text)
+
+        override fun getItemDetail() = WordDetails(adapterPosition, items.getOrNull(adapterPosition))
+
+        fun setActivatedState(isActivated: Boolean) {
+            itemView.isActivated = isActivated
+        }
+
+        fun changeText(word: Word) {
+            text.text = word.text
+        }
+
+    }
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/words/WordDetails.kt

@@ -0,0 +1,12 @@
+package ru.touchin.checknewsupport.selection.words
+
+import androidx.recyclerview.selection.ItemDetailsLookup.ItemDetails
+import ru.touchin.checknewsupport.selection.models.Word
+
+class WordDetails(private val adapterPosition: Int, private val selectedKey: Word?) : ItemDetails<Word>() {
+
+    override fun getSelectionKey() = selectedKey
+
+    override fun getPosition() = adapterPosition
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/words/WordKeyProvider.kt

@@ -0,0 +1,15 @@
+package ru.touchin.checknewsupport.selection.words
+
+import androidx.recyclerview.selection.ItemKeyProvider
+import ru.touchin.checknewsupport.selection.models.Word
+
+// В конструкторе ItemKeyProvider мы выбираем метод предоставления доступа к данным:
+//  SCOPE_MAPPED - ко всем данным. Позволяет реализовать Shift+click выбор данных
+//  SCOPE_CACHED - к данным, которые были недавно или сейчас на экране. Экономит память
+class WordKeyProvider(private val items: List<Word>) : ItemKeyProvider<Word>(ItemKeyProvider.SCOPE_CACHED) {
+
+    override fun getKey(position: Int) = items.getOrNull(position)
+
+    override fun getPosition(key: Word) = items.indexOf(key)
+
+}

app/src/main/java/ru/touchin/checknewsupport/selection/words/WordLookup.kt

@@ -0,0 +1,16 @@
+package ru.touchin.checknewsupport.selection.words
+
+import android.support.v7.widget.RecyclerView
+import android.view.MotionEvent
+import androidx.recyclerview.selection.ItemDetailsLookup
+import ru.touchin.checknewsupport.selection.ViewHolderWithDetails
+import ru.touchin.checknewsupport.selection.models.Word
+
+class WordLookup(private val recyclerView: RecyclerView) : ItemDetailsLookup<Word>() {
+
+    override fun getItemDetails(e: MotionEvent) = recyclerView.findChildViewUnder(e.x, e.y)
+            ?.let {
+                (recyclerView.getChildViewHolder(it) as? ViewHolderWithDetails<Word>)?.getItemDetail()
+            }
+
+}

app/src/main/java/ru/touchin/checknewsupport/slices/ProviderDetector.kt

@@ -0,0 +1,35 @@
+package ru.touchin.checknewsupport.slices
+
+import android.content.Context
+import android.content.DialogInterface
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.support.v7.app.AlertDialog
+import ru.touchin.checknewsupport.R
+
+internal fun providerAppNotInstalled(packageManager: PackageManager, providerAuthority: String): Boolean {
+    try {
+        val packageInfo = packageManager.getPackageInfo(providerAuthority, PackageManager.GET_PROVIDERS)
+                ?: return true
+
+        val contentProvider = packageInfo.providers.find { it.authority == providerAuthority }
+        return contentProvider == null
+    } catch (e: PackageManager.NameNotFoundException) {
+        return true
+    }
+}
+
+fun showMissingProviderDialog(context: Context, onDismiss: () -> Unit, sliceUri: Uri) {
+    AlertDialog.Builder(context, R.style.Theme_AppCompat_Light_Dialog_Alert)
+            .setMessage("""Content provider not found: $sliceUri.
+
+     • Does the URI start with content:// (e.g., for authority "com.example", it's content://com.example)?
+
+     • Does the provider authority match its app's package name?
+
+     • Have you installed the slice provider app first?
+    """)
+            .setPositiveButton("OK", { dialog: DialogInterface, _ -> dialog.dismiss() })
+            .setOnDismissListener { onDismiss.invoke() }
+            .show()
+}

app/src/main/java/ru/touchin/checknewsupport/slices/SliceActivity.kt

@@ -0,0 +1,121 @@
+package ru.touchin.checknewsupport.slices
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.support.constraint.ConstraintLayout
+import android.support.constraint.ConstraintSet
+import android.support.v7.app.AppCompatActivity
+import android.transition.TransitionManager
+import android.view.View
+import androidx.slice.SliceManager
+import androidx.slice.widget.SliceView
+import ru.touchin.checknewsupport.R
+
+class SliceActivity : AppCompatActivity() {
+
+    private val baseSliceUri: Uri = Uri.parse("content://ru.touchin.provider/")
+    private val timeSliceUri = baseSliceUri.buildUpon().appendPath("time").build()
+
+    private lateinit var sliceView: SliceView
+    private lateinit var getPermissionsButton: View
+    private lateinit var sliceContainer: ConstraintLayout
+
+    private lateinit var sliceManager: SliceManager
+    private var pendingSliceUri: Uri? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_slice_host)
+
+        sliceView = findViewById(R.id.slice_view)
+        getPermissionsButton = findViewById(R.id.button_grant_permission)
+        sliceContainer = findViewById(R.id.slice_container)
+        sliceManager = SliceManager.getInstance(this)
+
+        findViewById<View>(R.id.get_slice).setOnClickListener {
+            tryShowingSlice(timeSliceUri)
+        }
+
+        transitionUiTo(UiState.Empty, animate = false)
+    }
+
+    override fun onStart() {
+        super.onStart()
+
+        if (providerAppNotInstalled(packageManager, baseSliceUri.authority)) {
+            showMissingProviderDialog(this, { finish() }, baseSliceUri)
+            return
+        }
+
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        handleSlicePermissionActivityResult(requestCode, onSlicePermissionResult = {
+            if (pendingSliceUri == null) {
+                throw IllegalArgumentException("The slice URI to bind to cannot be null")
+            }
+            tryShowingSlice(pendingSliceUri!!)
+            pendingSliceUri = null
+        })
+    }
+
+    private fun tryShowingSlice(sliceUri: Uri) {
+        if (sliceManager.missingPermission(sliceUri, appName = getString(R.string.app_name))) {
+            transitionUiTo(UiState.NeedPermission)
+            getPermissionsButton.setOnClickListener {
+                pendingSliceUri = sliceUri
+                sliceManager.requestPermission(sliceUri, this)
+            }
+        } else {
+            getSliceAndBind(sliceUri)
+        }
+    }
+
+    private fun getSliceAndBind(sliceUri: Uri) {
+        transitionUiTo(UiState.SliceContent)
+        sliceView.setSlice(sliceManager.bindSlice(sliceUri))
+
+        // TODO due to a bug in 28.0.0-alpha1, we can't use the LiveData yet 😭
+//        SliceLiveData.fromUri(this, sliceUri)
+//            .observe(this, Observer({ sliceResult ->
+//                sliceView.setSlice(sliceResult)
+//                invalidateOptionsMenu()
+//            }))
+    }
+
+    private fun transitionUiTo(uiState: UiState, animate: Boolean = true) {
+        if (animate) {
+            TransitionManager.beginDelayedTransition(sliceContainer)
+        }
+
+        ConstraintSet().apply {
+            clone(sliceContainer)
+            setVisibility(R.id.group_need_permission, uiState.permissionGroupVisibility)
+            setVisibility(R.id.slice_view, uiState.sliceViewVisibility)
+            applyTo(sliceContainer)
+        }
+    }
+
+    private sealed class UiState {
+
+        abstract val permissionGroupVisibility: Int
+
+        abstract val sliceViewVisibility: Int
+
+        object Empty : UiState() {
+            override val permissionGroupVisibility = View.INVISIBLE
+            override val sliceViewVisibility = View.INVISIBLE
+        }
+
+        object NeedPermission : UiState() {
+            override val permissionGroupVisibility = View.VISIBLE
+            override val sliceViewVisibility = View.INVISIBLE
+        }
+
+        object SliceContent : UiState() {
+            override val permissionGroupVisibility = View.INVISIBLE
+            override val sliceViewVisibility = View.VISIBLE
+        }
+    }
+}

app/src/main/java/ru/touchin/checknewsupport/slices/SlicePermissions.kt

@@ -0,0 +1,76 @@
+package ru.touchin.checknewsupport.slices
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.PendingIntent
+import android.content.IntentSender
+import android.net.Uri
+import android.util.Log
+import android.widget.Toast
+import androidx.slice.Slice
+import androidx.slice.SliceManager
+
+internal fun SliceManager.missingPermission(sliceUri: Uri, appName: String) = try {
+    // TODO this is a very expensive and hacky way to check, but we don't really have alternatives
+    // as Android P DP1, since there's no permission API 🤷‍
+    bindSlice(sliceUri)?.isPermissionRequest(appName) == true
+} catch (e: SecurityException) {
+    true
+} catch (e: IllegalArgumentException) {
+    false
+}
+
+@SuppressLint("InlinedApi") // It's fine, the constants are used by the support library
+private fun Slice.isPermissionRequest(appName: String): Boolean {
+    // Permission slices have only one item, whose action is a PendingIntent to
+    // show the permission granting activity (which shows a dialog). We cannot
+    // easily check the contents of the action PendingIntent, so for now we just
+    // assume that if it's not null it's good enough. We'll check other signals
+    // afterwards to verify if it's really a permission slice.
+    if (items.count() != 1 || items[0].action == null) {
+        return false
+    }
+
+    // Permission slices contain one slice item, which contains a slice item which is
+    // a FORMAT_TEXT with a fixed format
+    val subItems = items.first().slice.items
+    val firstSubItem = subItems.firstOrNull()
+    return firstSubItem?.format == android.app.slice.SliceItem.FORMAT_TEXT &&
+            firstSubItem.text.contains("$appName wants to show Provider slices")
+}
+
+internal fun SliceManager.requestPermission(sliceUri: Uri, activity: Activity) {
+    try {
+        val intentSender: IntentSender? = bindSlice(sliceUri)!!.permissionRequestPendingIntent.intentSender
+        activity.startIntentSenderForResult(intentSender, REQUEST_CODE_PERMISSIONS, null, 0, 0, 0)
+    } catch (e: IllegalArgumentException) {
+        Toast.makeText(
+                activity,
+                "Looks like we've hit a bug in Slices, fixed in alpha2. " +
+                        "Uninstall the app and reboot the device/emulator.",
+                Toast.LENGTH_LONG
+        ).show()
+    }
+}
+
+private val Slice.permissionRequestPendingIntent: PendingIntent
+    get() = try {
+        items[0].action
+    } catch (e: ClassCastException) {
+        Log.e("Slice&Dice", "Trying to extract permission request pending intent from a slice which is not a permission request: $this")
+        throw IllegalArgumentException("The slice '$this' is not a valid permission request slice.")
+    }
+
+internal inline fun handleSlicePermissionActivityResult(
+        requestCode: Int,
+        onSlicePermissionResult: () -> Unit,
+        onUnhandledActivityResult: () -> Unit = {}
+) {
+    if (requestCode == REQUEST_CODE_PERMISSIONS) {
+        onSlicePermissionResult.invoke()
+    } else {
+        onUnhandledActivityResult.invoke()
+    }
+}
+
+private const val REQUEST_CODE_PERMISSIONS = 1234

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0"/>
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1"/>
+</vector>

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

@@ -0,0 +1,171 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+</vector>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/common_selected_background" android:state_activated="true"/>
+    <item android:drawable="@android:color/white"/>
+</selector>

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

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <android.support.design.bottomappbar.BottomAppBar
+        android:id="@+id/bottom_appbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom"
+        app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+        app:fabAttached="true"
+        app:backgroundTint="@color/colorPrimary"
+        app:fabCradleVerticalOffset="12dp">
+
+    </android.support.design.bottomappbar.BottomAppBar>
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|center_horizontal"
+        app:layout_anchor="@+id/bottom_appbar"/>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <android.support.design.button.MaterialButton
+            android:id="@+id/toggle_alignment"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#fff"
+            android:text="@string/change_alignment"
+            app:backgroundTint="@color/colorPrimary"/>
+
+    </FrameLayout>
+
+</android.support.design.widget.CoordinatorLayout>

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

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingTop="10dp"
+        android:paddingBottom="10dp">
+
+        <HorizontalScrollView
+            android:id="@+id/chip_group_single_line_block"
+            android:layout_width="match_parent"
+            android:layout_gravity="top"
+            android:scrollbars="none"
+            android:layout_height="wrap_content">
+
+            <android.support.design.chip.ChipGroup
+                android:id="@+id/chip_group_single_line"
+                android:layout_width="wrap_content"
+                android:paddingLeft="10dp"
+                android:paddingRight="10dp"
+                android:layout_height="wrap_content"
+                app:singleLine="true"
+                app:singleSelection="true"/>
+
+        </HorizontalScrollView>
+
+        <android.support.design.chip.ChipGroup
+            android:id="@+id/chip_group_multiple_line"
+            android:layout_width="match_parent"
+            android:layout_gravity="top"
+            android:layout_marginLeft="10dp"
+            android:layout_marginRight="10dp"
+            android:visibility="gone"
+            android:layout_height="wrap_content"/>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom"
+            android:layout_marginLeft="10dp"
+            android:layout_marginRight="10dp"
+            android:orientation="horizontal">
+
+            <EditText
+                android:id="@+id/add_chip_text_field"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_marginRight="8dp"
+                android:layout_height="wrap_content"
+                android:hint="@string/input_chip_text"
+                android:textSize="16sp"
+                android:inputType="text"/>
+
+            <android.support.design.button.MaterialButton
+                android:id="@+id/add_chip_button"
+                android:layout_width="wrap_content"
+                android:text="@string/add_chip"
+                android:textSize="16sp"
+                android:layout_height="wrap_content"/>
+        </LinearLayout>
+
+    </FrameLayout>
+
+</android.support.design.widget.CoordinatorLayout>

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

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center"
+    android:padding="10dp">
+
+    <android.support.design.button.MaterialButton
+        android:id="@+id/open_recycler_view_selection"
+        android:layout_width="match_parent"
+        android:text="@string/open_selection"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_height="wrap_content"/>
+
+    <android.support.design.button.MaterialButton
+        android:id="@+id/open_slice"
+        android:layout_width="match_parent"
+        android:text="@string/slices"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_height="wrap_content"/>
+
+    <android.support.design.button.MaterialButton
+        android:id="@+id/open_material_elements"
+        android:layout_width="match_parent"
+        android:text="@string/open_material"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_height="wrap_content"/>
+
+    <android.support.design.button.MaterialButton
+        android:id="@+id/open_chip"
+        android:layout_width="match_parent"
+        android:text="@string/open_chip"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_height="wrap_content"/>
+
+    <android.support.design.button.MaterialButton
+        android:id="@+id/open_bottom_app_navigation"
+        android:layout_width="match_parent"
+        android:text="@string/open_bottom"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

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

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:orientation="vertical"
+    android:layout_height="match_parent">
+
+    <android.support.design.card.MaterialCardView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="10dp"
+        app:cardCornerRadius="8dp"
+        app:strokeColor="@android:color/darker_gray"
+        app:strokeWidth="5dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="40sp"
+            android:layout_margin="10dp"
+            android:text="@string/materialcardview"/>
+    </android.support.design.card.MaterialCardView>
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <android.support.v7.widget.CardView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:padding="10dp"
+            app:cardCornerRadius="8dp">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="30sp"
+                android:layout_margin="10dp"
+                android:text="@string/cardview"/>
+        </android.support.v7.widget.CardView>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:text="@string/vs"/>
+
+        <android.support.design.card.MaterialCardView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            app:cardCornerRadius="8dp">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="30sp"
+                android:layout_margin="10dp"
+                android:text="@string/mcardview"/>
+        </android.support.design.card.MaterialCardView>
+
+    </LinearLayout>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginLeft="10dp"
+        android:text="@string/materialbutton"/>
+
+    <android.support.design.button.MaterialButton
+        android:layout_width="wrap_content"
+        android:layout_marginLeft="10dp"
+        android:textSize="30sp"
+        android:text="@string/some_text"
+        android:layout_height="wrap_content"
+        android:clickable="true"
+        app:cornerRadius="15dp"
+        app:iconPadding="8dp"
+        app:rippleColor="@android:color/holo_green_light"
+        app:strokeColor="@android:color/holo_orange_dark"
+        app:strokeWidth="5dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginLeft="10dp"
+        android:layout_marginTop="10dp"
+        android:text="@string/appcombatbutton"/>
+
+    <android.support.v7.widget.AppCompatButton
+        android:layout_width="wrap_content"
+        android:layout_marginLeft="10dp"
+        android:textSize="30sp"
+        android:clickable="true"
+        android:text="@string/some_text"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

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

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+    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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".selection.SelectionActivity">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layoutManager="android.support.v7.widget.LinearLayoutManager"
+        tools:listitem="@layout/item_word"/>
+
+</android.support.constraint.ConstraintLayout>

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

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <android.support.constraint.ConstraintLayout
+        android:id="@+id/slice_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <android.support.design.button.MaterialButton
+            android:id="@+id/get_slice"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            android:text="@string/get_slice"/>
+
+        <androidx.slice.widget.SliceView
+            android:id="@+id/slice_view"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:visibility="invisible"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/get_slice"/>
+
+        <android.support.constraint.Group
+            android:id="@+id/group_need_permission"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_margin="16dp"
+            android:visibility="invisible"
+            app:constraint_referenced_ids="button_grant_permission,label_permission"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/get_slice"/>
+
+        <TextView
+            android:id="@+id/label_permission"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:text="@string/explanation_auth"
+            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+            app:layout_constraintEnd_toEndOf="@+id/group_need_permission"
+            app:layout_constraintStart_toStartOf="@+id/group_need_permission"
+            app:layout_constraintTop_toTopOf="@+id/group_need_permission"/>
+
+        <Button
+            android:id="@+id/button_grant_permission"
+            style="@style/Widget.AppCompat.Button.Colored"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/grant_permission"
+            android:layout_marginRight="16dp"
+            app:layout_constraintEnd_toEndOf="@+id/label_permission"
+            app:layout_constraintTop_toBottomOf="@+id/label_permission"/>
+
+    </android.support.constraint.ConstraintLayout>
+
+</LinearLayout>

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

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:tools="http://schemas.android.com/tools"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:background="@drawable/item_word_background"
+              android:padding="16dp">
+
+    <TextView
+        android:id="@+id/item_word_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textColor="?android:textColorPrimary"
+        tools:text="Some text"/>
+
+</LinearLayout>

app/src/main/res/menu/action_menu.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_clear"
+        android:icon="@drawable/ic_action_clear"
+        android:orderInCategory="100"
+        android:title="@string/action_mode_clear"
+        app:showAsAction="always"/>
+
+</menu>

app/src/main/res/menu/bottom_app_menu.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/change_group_visibility"
+        android:title="@string/menu_another_mode"/>
+</menu>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#ffd940</color>
+    <color name="common_selected_background">#96ff9999</color>
+</resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

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

@@ -0,0 +1,27 @@
+<resources>
+    <string name="app_name">Балуемся с новым саппортом</string>
+
+    <string name="action_mode_delete">Delete</string>
+    <string name="action_mode_clear">Clear</string>
+    <string name="action_mode_apply">Apply</string>
+
+    <string name="explanation_auth">In order to display slices from SliceProvider, you need to grant Slice&amp;Dice the permission to do so.</string>
+    <string name="grant_permission">Grant permission</string>
+    <string name="change_alignment">Change alignment</string>
+    <string name="input_chip_text">Input chip text</string>
+    <string name="add_chip">Add chip</string>
+    <string name="open_selection">Recycler view selection</string>
+    <string name="slices">Slices</string>
+    <string name="open_material">MaterialButton and MaterialCardView</string>
+    <string name="open_chip">Chip and ChipGroup</string>
+    <string name="open_bottom">BottomAppToolbar</string>
+    <string name="materialcardview">MaterialCardView</string>
+    <string name="cardview">CardView</string>
+    <string name="vs">vs</string>
+    <string name="mcardview">MCardView</string>
+    <string name="materialbutton">MaterialButton</string>
+    <string name="some_text">Some text</string>
+    <string name="appcombatbutton">AppCombatButton</string>
+    <string name="get_slice">Запросить Slice</string>
+    <string name="menu_another_mode">Turn on another mode</string>
+</resources>

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

@@ -0,0 +1,20 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
+
+</resources>

build.gradle

@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.2.30'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.0-alpha07'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,17 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Mar 15 23:44:48 MSK 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.5-all.zip

gradlew

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

provider/build.gradle

@@ -0,0 +1,32 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 'android-P'
+
+    defaultConfig {
+        applicationId "ru.touchin.provider"
+        minSdkVersion 24
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.android.support:slices-builders:28.0.0-alpha1'
+}
+
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'

provider/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

provider/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="ru.touchin.provider">
+
+    <application
+        android:allowBackup="false"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:theme="@style/AppTheme">
+        <provider
+            android:name=".SliceContentProvider"
+            android:authorities="ru.touchin.provider"
+            android:exported="true">
+        </provider>
+
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

provider/src/main/java/ru/touchin/provider/MainActivity.kt

@@ -0,0 +1,6 @@
+package ru.touchin.provider
+
+import android.app.Activity
+import android.os.Bundle
+
+class MainActivity : Activity()

provider/src/main/java/ru/touchin/provider/SliceContentProvider.kt

@@ -0,0 +1,44 @@
+package ru.touchin.provider
+
+import android.net.Uri
+import android.widget.Toast
+import androidx.slice.Slice
+import androidx.slice.SliceProvider
+import androidx.slice.builders.ListBuilder
+import java.text.SimpleDateFormat
+import java.util.Calendar
+
+class SliceContentProvider : SliceProvider() {
+
+    private var counter = 0
+    override fun onBindSlice(sliceUri: Uri): Slice {
+        return when (sliceUri.path) {
+            "/time" -> createTimeSlice(sliceUri)
+            else -> throw IllegalArgumentException("Bad url")
+        }
+    }
+
+    override fun onCreateSliceProvider(): Boolean {
+        Toast.makeText(context, "Slice content provider is launched", Toast.LENGTH_LONG).show()
+        return true
+    }
+
+    private fun createTimeSlice(sliceUri: Uri): Slice = ListBuilder(context, sliceUri)
+            .apply {
+                counter++
+                setHeader(
+                        ListBuilder.HeaderBuilder(this)
+                                .setTitle("What's the time now?")
+                )
+                addRow(
+                        ListBuilder.RowBuilder(this)
+                                .setTitle("It is ${SimpleDateFormat("HH:mm").format(Calendar.getInstance().time)}")
+                )
+                addRow(
+                        ListBuilder.RowBuilder(this)
+                                .setTitle("Slice has called $counter times")
+                )
+            }
+            .build()
+
+}

provider/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0"/>
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1"/>
+</vector>

provider/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,171 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="108dp"
+    android:width="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8"/>
+</vector>

provider/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

provider/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

provider/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

provider/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Provider</string>
+</resources>

provider/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

settings.gradle

@@ -0,0 +1 @@
+include ':app', ':provider'