hw-7

app/build.gradle

@@ -16,6 +16,10 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    androidExtensions {
+        experimental = true
+    }
+
     buildTypes {
         release {
             minifyEnabled false
@@ -34,4 +38,5 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    implementation 'com.google.android.material:material:1.2.1'
 }

app/src/main/AndroidManifest.xml

@@ -2,17 +2,21 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.myapplication">
 
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+
     <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">
+        <service
+            android:name=".service.SongService"
+            android:process=":remote" />
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>

app/src/main/aidl/ISongAidlInterface.aidl

@@ -0,0 +1,26 @@
+// ISongAidlInterface.aidl
+package com.example.myapplication;
+
+// Declare any non-default types here with import statements
+
+interface ISongAidlInterface {
+    /**
+     * Demonstrates some basic types that you can use as parameters
+     * and return values in AIDL.
+     */
+    void play();
+    void pause();
+    boolean isPlaying();
+    boolean isMPReleased();
+    int getDuration();
+    int getCurrentPosition();
+    void changeTime(int time);
+    void playNext();
+    void playPrev();
+
+    Song getSong();
+    void setCurrentSong(int position);
+    void setCurrentSongFromBundle(in Bundle bundle);
+}
+
+parcelable Song;

app/src/main/java/com/example/myapplication/MainActivity.kt

@@ -1,12 +1,54 @@
 package com.example.myapplication
 
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.ServiceConnection
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.os.IBinder
+import android.util.Log
+import androidx.core.app.NotificationCompat
+import com.example.myapplication.screens.songsList.SongsListFragment
+import com.example.myapplication.service.SongService
 
 class MainActivity : AppCompatActivity() {
+    var songService: ISongAidlInterface? = null
+    lateinit var builder: NotificationCompat.Builder
+    val CHANNEL_ID = "playerChannel"
+
+    private val aidlConnection = object : ServiceConnection {
+
+        override fun onServiceConnected(className: ComponentName, service: IBinder) {
+            songService = ISongAidlInterface.Stub.asInterface(service)
+            supportFragmentManager.beginTransaction().
+            replace(R.id.frameLayout, SongsListFragment()).commit()
+        }
+
+        override fun onServiceDisconnected(className: ComponentName) {
+            songService = null
+        }
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
     }
+
+    override fun onStart() {
+        super.onStart()
+        val intent =
+            Intent(this, SongService::class.java)
+        bindService(intent, aidlConnection, Context.BIND_AUTO_CREATE)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        Log.e("LOG_TAG", "MainActivity onServiceDisconnected")
+        songService?.let {
+            unbindService(aidlConnection)
+            songService = null
+        }
+
+    }
 }

app/src/main/java/com/example/myapplication/Song.kt

@@ -0,0 +1,44 @@
+package com.example.myapplication
+
+import android.os.Parcel
+import android.os.Parcelable
+import androidx.annotation.DrawableRes
+import androidx.annotation.RawRes
+
+data class Song(
+    var author: String = "",
+    var name: String = "",
+    @DrawableRes var photoId: Int = 0,
+    @RawRes var songId: Int = 0
+) : Parcelable {
+
+    companion object CREATOR : Parcelable.Creator<Song> {
+        override fun createFromParcel(parcel: Parcel): Song {
+            return Song(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Song> {
+            return Array(size) { Song() }
+        }
+    }
+
+    private constructor(inParcel: Parcel) : this() {
+        readFromParcel(inParcel)
+    }
+
+    private fun readFromParcel(inParcel: Parcel) {
+        author = inParcel.readString() ?: ""
+        name = inParcel.readString() ?: ""
+        songId = inParcel.readInt() ?: 0
+        photoId = inParcel.readInt() ?: 0
+    }
+
+    override fun writeToParcel(outParcel: Parcel, flags: Int) {
+        outParcel.writeString(author)
+        outParcel.writeString(name)
+        outParcel.writeInt(songId)
+        outParcel.writeInt(photoId)
+    }
+
+    override fun describeContents(): Int = 0
+}

app/src/main/java/com/example/myapplication/adapters/SongAdapter.kt

@@ -0,0 +1,44 @@
+package com.example.myapplication.adapters
+
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.myapplication.Song
+import com.example.myapplication.R
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.item_song.*
+
+
+class SongAdapter (
+    private var list: ArrayList<Song>,
+    private val fragmentLambda: (View, Int) -> Unit
+) : RecyclerView.Adapter<SongAdapter.SongViewHolder>() {
+
+    inner class SongViewHolder(
+        override val containerView: View
+    ): RecyclerView.ViewHolder(containerView), LayoutContainer {
+
+        fun bind(song: Song, position: Int) {
+            with(song) {
+                tv_sm_title.text = name
+                tv_sm_author.text = author
+                iv_sm_album.setImageResource(song.photoId)
+            }
+
+            itemView.setOnClickListener{fragmentLambda(itemView,position)}
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SongViewHolder {
+        return SongViewHolder(LayoutInflater.from(parent.context).
+        inflate(R.layout.item_song, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: SongViewHolder, position: Int) {
+        holder.bind(list[position], position)
+    }
+
+    override fun getItemCount(): Int = list.size
+}

app/src/main/java/com/example/myapplication/repository/SongRepository.kt

@@ -0,0 +1,14 @@
+package com.example.myapplication.repository
+
+import com.example.myapplication.Song
+import com.example.myapplication.R
+
+object SongRepository {
+    val songsList: List<Song> = arrayListOf(
+        Song("SLAVA","Снова я напиваюсь", R.drawable.straus, R.raw.again_drink),
+        Song("Dora","Втюрилась", R.drawable.straus, R.raw.dora),
+        Song("Нурминчик","Валим валим на гелике", R.drawable.straus, R.raw.valim),
+        Song("Нурминчик","Ауф", R.drawable.straus, R.raw.auf),
+        Song("Кто-то","Арабская", R.drawable.straus, R.raw.arabskay)
+    )
+}

app/src/main/java/com/example/myapplication/screens/song/SongFragment.kt

@@ -0,0 +1,85 @@
+package com.example.myapplication.screens.song
+
+import android.os.Bundle
+import android.os.Handler
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.SeekBar
+import com.example.myapplication.ISongAidlInterface
+import com.example.myapplication.MainActivity
+import com.example.myapplication.R
+import com.example.myapplication.Song
+import kotlinx.android.synthetic.main.fragment_song.*
+
+class SongFragment : Fragment() {
+    var service: ISongAidlInterface? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_song, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val activity = (activity as MainActivity?)
+        service = activity?.songService
+        changeUI(service?.song)
+        initialiseSeekBar()
+
+
+        iv_play.setOnClickListener {
+            if (service?.isPlaying == true) {
+                iv_play.setImageResource(R.drawable.ic_play)
+                service?.pause()
+            } else if (service?.isPlaying == false) {
+                iv_play.setImageResource(R.drawable.ic_pause)
+                service?.play()
+            }
+        }
+        iv_next.setOnClickListener {
+            service?.playNext()
+            changeUI(service?.song)
+        }
+        iv_prev.setOnClickListener {
+            service?.playPrev()
+            changeUI(service?.song)
+        }
+        seekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(p0: SeekBar?, p1: Int, p2: Boolean) {
+                if (p2) {
+                    service?.changeTime(p1)
+                }
+            }
+
+            override fun onStartTrackingTouch(p0: SeekBar?) {
+            }
+
+            override fun onStopTrackingTouch(p0: SeekBar?) {
+            }
+        })
+    }
+
+    private fun changeUI(song: Song?) {
+        song?.photoId?.let { iv_album.setImageResource(it) }
+        tv_author.text = song?.author
+        tv_name.text = song?.name
+
+    }
+
+    private fun initialiseSeekBar() {
+        seekBar.max = service!!.duration
+        var handler: Handler = Handler()
+        handler.postDelayed(object : Runnable {
+            override fun run() {
+                seekBar.progress = service?.currentPosition!!
+                handler.postDelayed(this, 1000)
+            }
+        }, 0)
+    }
+
+
+}

app/src/main/java/com/example/myapplication/screens/songsList/SongsListFragment.kt

@@ -0,0 +1,53 @@
+package com.example.myapplication.screens.songsList
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.example.myapplication.ISongAidlInterface
+import com.example.myapplication.MainActivity
+import com.example.myapplication.Song
+import com.example.myapplication.adapters.SongAdapter
+import com.example.myapplication.repository.SongRepository
+import com.example.myapplication.screens.song.SongFragment
+import com.example.myapplication.R
+import kotlinx.android.synthetic.main.fragment_songs_list.*
+
+class SongsListFragment : Fragment() {
+
+    private var adapter: SongAdapter? = null
+    var service: ISongAidlInterface? = null
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_songs_list, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val activity = (activity as MainActivity?)
+        service = activity?.songService
+        adapter = SongAdapter(SongRepository.songsList as ArrayList<Song>) { item, position ->
+            val transaction = activity?.supportFragmentManager?.beginTransaction()
+
+            transaction?.addToBackStack(null)
+            item.setOnClickListener {
+                if (service?.isMPReleased == true
+                    || service?.song != SongRepository.songsList[position]
+                ) {
+                    service?.setCurrentSong(position)
+                }
+
+                transaction?.replace(
+                    R.id.frameLayout,
+                    SongFragment()
+                )?.commit()
+
+            }
+        }
+        rv_song.adapter = adapter
+    }
+}