history list view (#3)

app/build.gradle.kts

@@ -2,6 +2,7 @@ plugins {
     id("com.android.application")
     kotlin("android")
     id("kotlin-android-extensions")
+    id("kotlin-kapt")
 }
 
 android {
@@ -51,7 +52,9 @@ repositories {
 
 dependencies {
     implementation("androidx.appcompat:appcompat:1.1.0")
-    implementation("androidx.recyclerview:recyclerview:1.0.0")
+    implementation("androidx.cardview:cardview:1.0.0")
+
+    implementation("androidx.recyclerview:recyclerview:1.1.0")
     implementation("androidx.constraintlayout:constraintlayout:1.1.3")
     implementation("androidx.core:core-ktx:1.1.0")
     implementation("androidx.lifecycle:lifecycle-extensions:2.1.0")
@@ -64,4 +67,9 @@ dependencies {
     implementation("com.justai.aimybox:google-platform-speechkit:0.7.0")
 
     implementation("com.squareup.retrofit2:retrofit:2.5.0")
+
+    implementation("androidx.room:room-runtime:2.2.3")
+    kapt("androidx.room:room-compiler:2.2.3")
+
+    implementation("com.ironsource.aura.oneadapter:oneadapter:1.4.0")
 }

app/src/main/java/com/porfir/MainActivity.kt

@@ -2,9 +2,17 @@ package com.porfir
 
 import android.content.Intent
 import android.os.Bundle
+import android.view.View
 import android.view.WindowManager
 import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.RecyclerView
+import com.idanatz.oneadapter.OneAdapter
+import com.idanatz.oneadapter.external.event_hooks.ClickEventHook
+import com.idanatz.oneadapter.internal.holders.ViewBinder
 import com.justai.aimybox.components.AimyboxAssistantFragment
+import com.porfir.dao.PorfirDatabase
+import com.porfir.model.HistoryItem
+import com.porfir.module.HistoryModule
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.channels.consume
@@ -14,22 +22,37 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
 
     override val coroutineContext = Dispatchers.Main
 
+    private lateinit var promptLayout: View
+    private lateinit var recyclerView: RecyclerView
+    private lateinit var recyclerAdapter: OneAdapter
+    private lateinit var database: PorfirDatabase
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.layout_activity_main)
 
-        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        promptLayout = findViewById(R.id.prompt_layout)
+        recyclerView = findViewById(R.id.recycler_view)
+        recyclerAdapter = OneAdapter(recyclerView)
+            .attachItemModule(HistoryModule().addEventHook(historyClickHook))
 
-        val assistantFragment = AimyboxAssistantFragment()
+        database = (application as PorfirApplication).database
+
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 
         supportFragmentManager.beginTransaction().apply {
-            replace(R.id.assistant_container, assistantFragment)
+            replace(R.id.assistant_container, AimyboxAssistantFragment())
             commit()
         }
 
         onNewIntent(intent)
     }
 
+    override fun onResume() {
+        super.onResume()
+        refreshRecyclerViewData()
+    }
+
     override fun onNewIntent(intent: Intent?) {
         super.onNewIntent(intent)
         if (intent?.action == Intent.ACTION_ASSIST) {
@@ -46,7 +69,32 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
     override fun onBackPressed() {
         val assistantFragment = (supportFragmentManager.findFragmentById(R.id.assistant_container)
                 as? AimyboxAssistantFragment)
-        if (assistantFragment?.onBackPressed() != true) super.onBackPressed()
+        if (assistantFragment?.onBackPressed() == true) {
+            refreshRecyclerViewData()
+        } else {
+            super.onBackPressed()
+        }
+    }
+
+    private fun refreshRecyclerViewData() = launch(Dispatchers.IO) {
+        val items = database.historyDao().getAll()
+        recyclerAdapter.setItems(items)
+
+        promptLayout.visibility = if (items.isEmpty()) View.VISIBLE else View.GONE
+        recyclerView.visibility = if (items.isNotEmpty()) View.VISIBLE else View.GONE
+    }
+
+    private val historyClickHook = object : ClickEventHook<HistoryItem>() {
+        override fun onClick(model: HistoryItem, viewBinder: ViewBinder) {
+            val sendIntent: Intent = Intent().apply {
+                action = Intent.ACTION_SEND
+                putExtra(Intent.EXTRA_TEXT, model.text)
+                type = "text/plain"
+            }
+
+            val shareIntent = Intent.createChooser(sendIntent, null)
+            startActivity(shareIntent)
+        }
     }
 
 }

app/src/main/java/com/porfir/PorfirApplication.kt

@@ -2,23 +2,63 @@ package com.porfir
 
 import android.app.Application
 import android.content.Context
+import androidx.room.Room
 import com.justai.aimybox.Aimybox
+import com.justai.aimybox.api.DialogApi
 import com.justai.aimybox.components.AimyboxProvider
 import com.justai.aimybox.core.Config
+import com.justai.aimybox.model.reply.TextReply
 import com.justai.aimybox.speechkit.google.platform.GooglePlatformSpeechToText
 import com.justai.aimybox.speechkit.google.platform.GooglePlatformTextToSpeech
 import com.porfir.api.PorfirDialogApi
+import com.porfir.dao.PorfirDatabase
+import com.porfir.model.HistoryItem
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.consumeEach
+import kotlinx.coroutines.launch
 import java.util.*
 
-class PorfirApplication: Application(), AimyboxProvider {
+class PorfirApplication: Application(), AimyboxProvider, CoroutineScope {
+
+    val database by lazy { createDatabase(this) }
+
     override val aimybox by lazy { createAimybox(this) }
 
+    override val coroutineContext = Dispatchers.IO
+
     private fun createAimybox(context: Context): Aimybox {
         val textToSpeech = GooglePlatformTextToSpeech(context, Locale("ru"))
         val speechToText = GooglePlatformSpeechToText(context, Locale("ru"))
 
         val dialogApi = PorfirDialogApi()
 
         return Aimybox(Config.create(speechToText, textToSpeech, dialogApi))
+            .also { subscribeToDialogApi(it) }
+    }
+
+    private fun createDatabase(context: Context): PorfirDatabase {
+        return Room.databaseBuilder(
+            context,
+            PorfirDatabase::class.java,
+            "porfir.db").build()
+    }
+
+    private fun subscribeToDialogApi(aimybox: Aimybox) {
+        val channel = aimybox.dialogApiEvents.openSubscription()
+        launch {
+            channel.consumeEach { event ->
+                event
+                    .takeIf { it is DialogApi.Event.ResponseReceived }
+                    ?.also { it ->
+                        val now = Calendar.getInstance().timeInMillis
+                        val response = (it as DialogApi.Event.ResponseReceived).response
+                        response.replies
+                            .filterIsInstance(TextReply::class.java)
+                            .map { reply -> HistoryItem(0, reply.text, now) }
+                            .forEach { item -> database.historyDao().insert(item) }
+                    }
+            }
+        }
     }
 }

app/src/main/java/com/porfir/dao/HistoryDao.kt

@@ -0,0 +1,16 @@
+package com.porfir.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.porfir.model.HistoryItem
+
+@Dao
+interface HistoryDao {
+    @Query("SELECT * FROM history_items ORDER BY timestamp DESC")
+    fun getAll(): List<HistoryItem>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insert(item: HistoryItem)
+}

app/src/main/java/com/porfir/dao/PorfirDatabase.kt

@@ -0,0 +1,10 @@
+package com.porfir.dao
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.porfir.model.HistoryItem
+
+@Database(entities = [HistoryItem::class], version = 1, exportSchema = false)
+abstract class PorfirDatabase: RoomDatabase() {
+    abstract fun historyDao(): HistoryDao
+}

app/src/main/java/com/porfir/model/HistoryItem.kt

@@ -0,0 +1,20 @@
+package com.porfir.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.idanatz.oneadapter.external.interfaces.Diffable
+
+@Entity(tableName = "history_items")
+data class HistoryItem(
+    @PrimaryKey(autoGenerate = true)
+    val id: Long,
+    @ColumnInfo(name = "generated_text")
+    val text: String,
+    @ColumnInfo(name = "timestamp")
+    val timestamp: Long
+): Diffable {
+    override fun areContentTheSame(other: Any) = other is HistoryItem && other.id == id
+
+    override fun getUniqueIdentifier(): Long = id
+}

app/src/main/java/com/porfir/module/HistoryModule.kt

@@ -0,0 +1,20 @@
+package com.porfir.module
+
+import android.widget.TextView
+import com.idanatz.oneadapter.external.modules.ItemModule
+import com.idanatz.oneadapter.external.modules.ItemModuleConfig
+import com.idanatz.oneadapter.internal.holders.ViewBinder
+import com.porfir.R
+import com.porfir.model.HistoryItem
+
+class HistoryModule: ItemModule<HistoryItem>() {
+
+    override fun provideModuleConfig() = object : ItemModuleConfig() {
+        override fun withLayoutResource() = R.layout.history_item
+    }
+
+    override fun onBind(model: HistoryItem, viewBinder: ViewBinder) {
+        val textView = viewBinder.findViewById<TextView>(R.id.history_item_text)
+        textView.text = model.text
+    }
+}

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center"
+    card_view:cardCornerRadius="4dp"
+    card_view:cardUseCompatPadding="true"
+    app:contentPadding="10dp"
+    android:foreground="?android:attr/selectableItemBackground"
+    android:clickable="true">
+
+    <TextView
+        android:id="@+id/history_item_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="18sp" />
+
+</androidx.cardview.widget.CardView>

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

@@ -1,26 +1,45 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
     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">
 
-    <ImageView
-        android:id="@+id/image"
-        android:layout_width="120dp"
-        android:layout_height="120dp"
-        android:src="@drawable/app_icon"
-        android:layout_marginTop="100dp"
-        android:layout_centerHorizontal="true"/>
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+
+    <ScrollView
+        android:id="@+id/prompt_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <ImageView
+                android:id="@+id/image"
+                android:layout_width="120dp"
+                android:layout_height="120dp"
+                android:src="@drawable/app_icon"
+                android:layout_marginTop="100dp"
+                android:layout_centerHorizontal="true"/>
 
-    <TextView
-        android:layout_below="@id/image"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="50dp"
-        android:padding="18dp"
-        android:text="@string/prompt"
-        android:textSize="18sp" />
+            <TextView
+                android:layout_below="@id/image"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="50dp"
+                android:padding="18dp"
+                android:text="@string/prompt"
+                android:textSize="18sp" />
+        </RelativeLayout>
+    </ScrollView>
 
     <FrameLayout
         android:id="@+id/assistant_container"

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

@@ -1,10 +1,10 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
-        <item name="android:colorPrimary">@color/colorPrimary</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="android:colorAccent">@color/colorAccent</item>
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
 
         <!-- Customize Assistant components here -->
 

gradle.properties

@@ -19,3 +19,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
+kapt.incremental.apt=false