feat: Play videos in the app fossasia#2109

Add a fragment which plays YouTube videos in the app
YoutubeFragment.kt: A the fragment to play Youtube Videos
FullscreenListener.kt: Listens for full screen event
fragment_youtube.xml: Fragment layout

REQUIRED: Give YouTube API key for proper functioning

app/src/main/java/org/fossasia/susi/ai/chat/ChatActivity.kt

@@ -43,6 +43,7 @@ import android.widget.Toast
 import io.realm.RealmResults
 import java.util.Locale
 import kotlinx.android.synthetic.main.activity_chat.*
+import kotlinx.android.synthetic.main.fragment_youtube.*
 import org.fossasia.susi.ai.R
 import org.fossasia.susi.ai.chat.adapters.recycleradapters.ChatFeedRecyclerAdapter
 import org.fossasia.susi.ai.chat.contract.IChatPresenter
@@ -90,6 +91,7 @@ class ChatActivity : AppCompatActivity(), IChatView {
         }
     }
 
+    @SuppressLint("RestrictedApi")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_chat)
@@ -364,6 +366,7 @@ class ChatActivity : AppCompatActivity(), IChatView {
     }
 
     // Take user's speech as input and send the message
+    @SuppressLint("RestrictedApi")
     override fun promptSpeechInput() {
         if (recordingThread != null) {
             chatPresenter.stopHotwordDetection()
@@ -379,6 +382,7 @@ class ChatActivity : AppCompatActivity(), IChatView {
     }
 
     // Replies user with Speech
+    @SuppressLint("RestrictedApi")
     override fun voiceReply(reply: String, language: String) {
         searchChat.visibility = View.VISIBLE
         fabsetting.visibility = View.VISIBLE
@@ -633,7 +637,11 @@ class ChatActivity : AppCompatActivity(), IChatView {
 
     override fun playVideo(videoId: String) {
         Timber.d(videoId)
-        youtubeVid.playYoutubeVid(videoId)
+        var bundle = Bundle()
+        bundle.putString("video",videoId)
+        var youtubeFragment = YoutubeFragment.newInstance()
+        youtubeFragment.arguments = bundle
+        supportFragmentManager.beginTransaction().add(R.id.coordinator_layout,youtubeFragment,"youtube").commit()
     }
 
     companion object {

app/src/main/java/org/fossasia/susi/ai/chat/ChatPresenter.kt

@@ -68,7 +68,6 @@ class ChatPresenter(context: Context, private val chatView: IChatView?) :
     var id: Long = 0
     var identifier: String = ""
     var tableItem: TableItem? = null
-    private val youtubeVid: IYoutubeVid = YoutubeVid(context)
     private var textToSpeech: TextToSpeech? = null
     private val context: Context = context
     private lateinit var handler: Handler
@@ -503,7 +502,7 @@ class ChatPresenter(context: Context, private val chatView: IChatView?) :
                 } else if (parseSusiHelper.actionType == Constant.VIDEOPLAY || parseSusiHelper.actionType == Constant.AUDIOPLAY) {
                     // Play youtube video
                     identifier = parseSusiHelper.identifier
-                    youtubeVid.playYoutubeVid(identifier)
+                    chatView?.playVideo(identifier)
                 } else if (parseSusiHelper.actionType == Constant.ANSWER && (PrefManager.checkSpeechOutputPref() && check || PrefManager.checkSpeechAlwaysPref())) {
                     setMessage = parseSusiHelper.answer
                     try {

app/src/main/java/org/fossasia/susi/ai/chat/YoutubeFragment.kt

@@ -0,0 +1,77 @@
+package org.fossasia.susi.ai.chat
+
+import android.content.Context
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v4.app.FragmentTransaction
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.google.android.youtube.player.YouTubeInitializationResult
+import com.google.android.youtube.player.YouTubePlayer
+import com.google.android.youtube.player.YouTubePlayerSupportFragment
+
+import org.fossasia.susi.ai.R
+import org.fossasia.susi.ai.chat.listeners.FullscreenListener
+
+class YoutubeFragment : Fragment() {
+    private var API_KEY: String? = null
+    private var m_RootView: View? = null
+    private var m_StopButton: View? = null
+    var YPlayer: YouTubePlayer? = null
+    private var VIDEO:String = ""
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
+                              savedInstanceState: Bundle?): View? {
+        var rootView = inflater.inflate(R.layout.fragment_youtube, container, false)
+        m_RootView = rootView
+        m_StopButton = m_RootView?.findViewById(R.id.youtube_stop_btn)
+        var bundle = activity?.packageManager?.getApplicationInfo(activity?.applicationContext?.packageName,PackageManager.GET_META_DATA)?.metaData
+        API_KEY = bundle?.getString("com.google.android.youtube.API_KEY")
+        if(arguments!=null){
+            VIDEO = arguments!!.getString("video")
+        }
+        m_StopButton?.setOnClickListener({
+            YPlayer?.release()
+            activity?.supportFragmentManager?.beginTransaction()?.remove(this)?.commit()
+        })
+        initYoutube()
+        return rootView
+    }
+
+    private fun initYoutube() {
+        val youTubePlayerFragment: YouTubePlayerSupportFragment =
+                YouTubePlayerSupportFragment.newInstance()
+        val transaction: FragmentTransaction = childFragmentManager.beginTransaction()
+        transaction.add(R.id.youtube_fragment, youTubePlayerFragment as Fragment)
+        transaction.commit()
+
+        youTubePlayerFragment.initialize(API_KEY, object : YouTubePlayer.OnInitializedListener {
+
+            override fun onInitializationSuccess(
+                    provider: YouTubePlayer.Provider?,
+                    player: YouTubePlayer,
+                    wasRestored: Boolean
+            ) {
+                if (!wasRestored) {
+                    YPlayer = player
+                    YPlayer?.loadVideo(VIDEO)
+                    YPlayer?.setOnFullscreenListener(FullscreenListener(activity,this@YoutubeFragment))
+                    YPlayer?.play()
+                }
+            }
+
+            override fun onInitializationFailure(
+                    arg0: YouTubePlayer.Provider?,
+                    arg1: YouTubeInitializationResult?
+            ) {
+            }
+        })
+    }
+
+    companion object {
+        fun newInstance() = YoutubeFragment()
+    }
+}

app/src/main/java/org/fossasia/susi/ai/chat/adapters/viewholders/YoutubeVideoViewHolder.kt

@@ -6,6 +6,7 @@ import android.widget.ImageView
 import com.squareup.picasso.Picasso
 import kotterknife.bindView
 import org.fossasia.susi.ai.R
+import org.fossasia.susi.ai.chat.ChatActivity
 import org.fossasia.susi.ai.chat.YoutubeVid
 import org.fossasia.susi.ai.data.model.ChatMessage
 import timber.log.Timber
@@ -43,6 +44,13 @@ class YoutubeVideoViewHolder(
         }
 
         val youtubeVid = YoutubeVid(itemView.context)
-        playButton.setOnClickListener { videoId?.let { id -> youtubeVid.playYoutubeVid(id) } }
+        playButton.setOnClickListener(YoutubeClickListener())
+    }
+
+    inner class YoutubeClickListener: View.OnClickListener{
+        override fun onClick(v: View?) {
+            (itemView.context as ChatActivity).playVideo(videoId!!)
+        }
+
     }
 }

app/src/main/java/org/fossasia/susi/ai/chat/listeners/FullscreenListener.kt

@@ -0,0 +1,24 @@
+package org.fossasia.susi.ai.chat.listeners
+
+import android.content.pm.ActivityInfo
+import android.support.v4.app.FragmentActivity
+import com.google.android.youtube.player.YouTubePlayer
+import org.fossasia.susi.ai.chat.YoutubeFragment
+
+class FullscreenListener : YouTubePlayer.OnFullscreenListener{
+    private var mContext: FragmentActivity? = null
+    private var mFragment: YoutubeFragment? = null
+
+    constructor(context : FragmentActivity?,fragment : YoutubeFragment?)
+    {
+        mContext = context
+        mFragment = fragment
+    }
+
+    override fun onFullscreen(p0: Boolean) {
+        if(!p0){
+            mContext?.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+        }
+    }
+
+}

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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"
+    tools:context="org.fossasia.susi.ai.chat.YoutubeFragment">
+    <Button
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:text="@string/close"
+        android:textColor="@color/md_black_1000"
+        android:layout_alignParentRight="true"
+        android:background="@color/translucent_black"
+        android:id="@+id/youtube_stop_btn"
+        android:layout_below="@id/youtube_fragment"/>
+    <FrameLayout
+        android:name="com.google.android.youtube.player.YouTubePlayerSupportFragment"
+        android:layout_width="match_parent"
+        android:id="@+id/youtube_fragment"
+        android:layout_height="wrap_content"/>
+
+</RelativeLayout>

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

@@ -330,4 +330,5 @@
 
     <!-- Shimmer background-->
     <color name="shimmer_background">#dddddd</color>
+    <color name="translucent_black">#80000000</color>
 </resources>

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

@@ -324,7 +324,7 @@
     <string name="device_setting_up">Setting up your device</string>
     <string name="susi_ai_hotspot" translatable="false">SUSI.AI</string>
     <string name="enter_wifi_password">Enter Wi-Fi password</string>
-   
+
     <!-- Device Setup Screen -->
     <string name="connect">1. Connect</string>
     <string name="wifi">2. Wi-Fi</string>
@@ -599,4 +599,8 @@
     <string name="alarm_query_executed">Executed planned task</string>
     <string name="set_plan_action">Plan action has been set</string>
 
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="close">X</string>
+
 </resources>