MVP is Gone

app/build.gradle

@@ -163,4 +163,9 @@ dependencies {
     implementation 'me.jorgecastillo:androidcolorx:0.2.0'
     debugImplementation 'com.amitshekhar.android:debug-db:1.0.4'
     implementation 'com.github.dhaval2404:imagepicker:1.7.1'
+
+    def koin_version = "2.1.5"
+    implementation "org.koin:koin-core:$koin_version"
+    implementation "org.koin:koin-android:$koin_version"
+    implementation "org.koin:koin-android-viewmodel:$koin_version"
 }

app/src/main/AndroidManifest.xml

@@ -107,7 +107,7 @@
         </activity>
         <activity android:name=".activities.albums.AlbumDetailsActivity" />
         <activity android:name=".activities.artists.ArtistDetailActivity" />
-        <activity android:name=".activities.PlaylistDetailActivity" />
+        <activity android:name=".activities.playlist.PlaylistDetailActivity" />
         <activity android:name=".activities.PlayingQueueActivity" />
         <activity android:name=".activities.AboutActivity" />
         <activity android:name=".activities.tageditor.AlbumTagEditorActivity" />
@@ -116,7 +116,7 @@
         <activity android:name=".activities.LyricsActivity" />
         <activity android:name=".activities.UserInfoActivity" />
         <activity android:name=".activities.SupportDevelopmentActivity" />
-        <activity android:name=".activities.GenreDetailsActivity" />
+        <activity android:name=".activities.genre.GenreDetailsActivity" />
         <activity android:name=".activities.LicenseActivity" />
         <activity android:name=".activities.PurchaseActivity" />
         <activity android:name=".activities.WhatsNewActivity" />
@@ -124,7 +124,7 @@
         <activity android:name=".activities.ShareInstagramStory" />
         <activity android:name=".activities.DriveModeActivity" />
         <activity
-            android:name=".activities.SearchActivity"
+            android:name=".activities.search.SearchActivity"
             android:windowSoftInputMode="stateVisible" />
 
         <activity

app/src/main/java/code/name/monkey/retromusic/App.kt

@@ -20,8 +20,11 @@ import code.name.monkey.appthemehelper.ThemeStore
 import code.name.monkey.appthemehelper.util.VersionUtils
 import code.name.monkey.retromusic.Constants.PRO_VERSION_PRODUCT_ID
 import code.name.monkey.retromusic.appshortcuts.DynamicShortcutManager
+import code.name.monkey.retromusic.providers.provideModules
 import com.anjlab.android.iab.v3.BillingProcessor
 import com.anjlab.android.iab.v3.TransactionDetails
+import org.koin.android.ext.koin.androidContext
+import org.koin.core.context.startKoin
 
 class App : MultiDexApplication() {
 
@@ -31,6 +34,10 @@ class App : MultiDexApplication() {
         super.onCreate()
         instance = this
 
+        startKoin {
+            androidContext(this@App)
+            modules(listOf(mainModule, provideModules))
+        }
         // default theme
         if (!ThemeStore.isConfigured(this, 3)) {
             ThemeStore.editTheme(this)

app/src/main/java/code/name/monkey/retromusic/MainModule.kt

@@ -0,0 +1,40 @@
+package code.name.monkey.retromusic
+
+import code.name.monkey.retromusic.activities.albums.AlbumDetailsViewModel
+import code.name.monkey.retromusic.activities.artists.ArtistDetailsViewModel
+import code.name.monkey.retromusic.activities.genre.GenreDetailsViewModel
+import code.name.monkey.retromusic.activities.playlist.PlaylistDetailsViewModel
+import code.name.monkey.retromusic.activities.search.SearchViewModel
+import code.name.monkey.retromusic.fragments.LibraryViewModel
+import code.name.monkey.retromusic.model.Genre
+import code.name.monkey.retromusic.model.Playlist
+import org.koin.android.viewmodel.dsl.viewModel
+import org.koin.dsl.module
+
+
+val mainModule = module {
+
+    viewModel {
+        LibraryViewModel(get())
+    }
+
+    viewModel { (albumId: Int) ->
+        AlbumDetailsViewModel(get(), albumId)
+    }
+
+    viewModel { (artistId: Int) ->
+        ArtistDetailsViewModel(get(), artistId)
+    }
+
+    viewModel { (playlist: Playlist) ->
+        PlaylistDetailsViewModel(get(), playlist)
+    }
+
+    viewModel { (genre: Genre) ->
+        GenreDetailsViewModel(get(), genre)
+    }
+
+    viewModel {
+        SearchViewModel(get())
+    }
+}

app/src/main/java/code/name/monkey/retromusic/Result.kt

@@ -1,26 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic
-
-/**
- * Created by hemanths on 2019-10-23.
- */
-
-sealed class Result<out T : Any> {
-
-    class Success<out T : Any>(val data: T) : Result<T>()
-
-    class Error(val exception: Throwable) : Result<Nothing>()
-}

app/src/main/java/code/name/monkey/retromusic/activities/MainActivity.kt

@@ -13,7 +13,6 @@ import android.view.View
 import androidx.core.app.ActivityCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.commit
-import androidx.lifecycle.ViewModelProvider
 import code.name.monkey.appthemehelper.ThemeStore.Companion.accentColor
 import code.name.monkey.appthemehelper.util.ATHUtil
 import code.name.monkey.appthemehelper.util.ATHUtil.resolveColor
@@ -64,6 +63,7 @@ import com.google.android.play.core.install.model.InstallStatus.INSTALLED
 import com.google.android.play.core.install.model.UpdateAvailability
 import com.google.android.play.core.tasks.Task
 import kotlinx.android.synthetic.main.activity_main_content.*
+import org.koin.android.ext.android.inject
 import java.util.*
 
 class MainActivity : AbsSlidingMusicPanelActivity(),
@@ -74,7 +74,7 @@ class MainActivity : AbsSlidingMusicPanelActivity(),
         const val APP_UPDATE_REQUEST_CODE = 9002
     }
 
-    lateinit var libraryViewModel: LibraryViewModel
+    val libraryViewModel: LibraryViewModel by inject()
     private var cab: MaterialCab? = null
     private val intentFilter = IntentFilter(Intent.ACTION_SCREEN_OFF)
     private lateinit var currentFragment: MainActivityFragmentCallbacks
@@ -123,9 +123,7 @@ class MainActivity : AbsSlidingMusicPanelActivity(),
         hideStatusBar()
         setBottomBarVisibility(View.VISIBLE)
 
-        libraryViewModel = ViewModelProvider(this).get(LibraryViewModel::class.java)
         addMusicServiceEventListener(libraryViewModel)
-
         if (savedInstanceState == null) {
             selectedFragment(PreferenceUtil.lastPage)
         } else {

app/src/main/java/code/name/monkey/retromusic/activities/albums/AlbumDetailsActivity.kt

@@ -10,7 +10,6 @@ import android.view.SubMenu
 import android.view.View
 import android.widget.ImageView
 import androidx.core.app.ActivityCompat
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.DefaultItemAnimator
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -37,7 +36,6 @@ import code.name.monkey.retromusic.helper.SortOrder.AlbumSongSortOrder
 import code.name.monkey.retromusic.interfaces.CabHolder
 import code.name.monkey.retromusic.model.Album
 import code.name.monkey.retromusic.model.Artist
-import code.name.monkey.retromusic.mvp.presenter.AlbumDetailsView
 import code.name.monkey.retromusic.rest.model.LastFmAlbum
 import code.name.monkey.retromusic.util.*
 import code.name.monkey.retromusic.util.color.MediaNotificationProcessor
@@ -45,10 +43,12 @@ import com.afollestad.materialcab.MaterialCab
 import com.bumptech.glide.Glide
 import kotlinx.android.synthetic.main.activity_album.*
 import kotlinx.android.synthetic.main.activity_album_content.*
+import org.koin.android.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
 import java.util.*
 import android.util.Pair as UtilPair
 
-class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, CabHolder {
+class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder {
     override fun openCab(menuRes: Int, callback: MaterialCab.Callback): MaterialCab {
         cab?.let {
             if (it.isActive) it.finish()
@@ -68,7 +68,9 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         return cab as MaterialCab
     }
 
-    private lateinit var viewModel: AlbumDetailsViewModel
+    private val detailsViewModel: AlbumDetailsViewModel by viewModel {
+        parametersOf(extraNotNull<Int>(EXTRA_ALBUM_ID).value)
+    }
     private lateinit var simpleSongAdapter: SimpleSongAdapter
     private lateinit var album: Album
     private lateinit var artistImage: ImageView
@@ -100,19 +102,19 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         window.sharedElementsUseOverlay = true
         windowEnterTransition()
 
-        val albumId = extraNotNull<Int>(EXTRA_ALBUM_ID).value
+        addMusicServiceEventListener(detailsViewModel)
         ActivityCompat.postponeEnterTransition(this)
-        val viewModelFactory = AlbumDetailsViewModelFactory(application, albumId)
+        //val viewModelFactory = AlbumDetailsViewModelFactory(application, albumId)
-        viewModel = ViewModelProvider(this, viewModelFactory).get(AlbumDetailsViewModel::class.java)
+        //viewModel = ViewModelProvider(this, viewModelFactory).get(AlbumDetailsViewModel::class.java)
-        addMusicServiceEventListener(viewModel)
+
-        viewModel.getAlbum().observe(this, androidx.lifecycle.Observer {
+        detailsViewModel.getAlbum().observe(this, androidx.lifecycle.Observer {
             ActivityCompat.startPostponedEnterTransition(this@AlbumDetailsActivity)
             album(it)
         })
-        viewModel.getArtist().observe(this, androidx.lifecycle.Observer {
+        detailsViewModel.getArtist().observe(this, androidx.lifecycle.Observer {
             loadArtistImage(it)
         })
-        viewModel.getAlbumInfo().observe(this, androidx.lifecycle.Observer {
+        detailsViewModel.getAlbumInfo().observe(this, androidx.lifecycle.Observer {
             aboutAlbum(it)
         })
         setupRecyclerView()
@@ -153,11 +155,11 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         }
     }
 
-    override fun complete() {
+    fun complete() {
         ActivityCompat.startPostponedEnterTransition(this)
     }
 
-    override fun album(album: Album) {
+    fun album(album: Album) {
         complete()
         if (album.songs!!.isEmpty()) {
             finish()
@@ -190,11 +192,11 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         }
         loadAlbumCover()
         simpleSongAdapter.swapDataSet(album.songs)
-        viewModel.loadArtist(album.artistId)
+        detailsViewModel.loadArtist(album.artistId)
-        viewModel.loadAlbumInfo(album)
+        detailsViewModel.loadAlbumInfo(album)
     }
 
-    override fun moreAlbums(albums: List<Album>) {
+    fun moreAlbums(albums: List<Album>) {
         moreTitle.show()
         moreRecyclerView.show()
         moreTitle.text = String.format(getString(R.string.label_more_from), album.artistName)
@@ -209,7 +211,7 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         moreRecyclerView.adapter = albumAdapter
     }
 
-    override fun aboutAlbum(lastFmAlbum: LastFmAlbum) {
+    fun aboutAlbum(lastFmAlbum: LastFmAlbum) {
         if (lastFmAlbum.album != null) {
             if (lastFmAlbum.album.wiki != null) {
                 aboutAlbumText.show()
@@ -230,7 +232,7 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
         }
     }
 
-    override fun loadArtistImage(artist: Artist) {
+    fun loadArtistImage(artist: Artist) {
         ArtistGlideRequest.Builder.from(Glide.with(this), artist)
             .generatePalette(this)
             .build()
@@ -391,8 +393,9 @@ class AlbumDetailsActivity : AbsSlidingMusicPanelActivity(), AlbumDetailsView, C
 
     override fun onDestroy() {
         super.onDestroy()
-        removeMusicServiceEventListener(viewModel)
+        removeMusicServiceEventListener(detailsViewModel)
     }
+
     companion object {
 
         const val EXTRA_ALBUM_ID = "extra_album_id"

app/src/main/java/code/name/monkey/retromusic/activities/albums/AlbumDetailsViewModel.kt

@@ -1,9 +1,8 @@
 package code.name.monkey.retromusic.activities.albums
 
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
 import code.name.monkey.retromusic.model.Album
@@ -16,10 +15,10 @@ import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 
 class AlbumDetailsViewModel(
-    application: Application,
+    private val repository: RepositoryImpl,
     private val albumId: Int
-) : AndroidViewModel(application), MusicServiceEventListener {
+) : ViewModel(), MusicServiceEventListener {
-    private val _repository = RepositoryImpl(application.applicationContext)
+
     private val _album = MutableLiveData<Album>()
     private val _artist = MutableLiveData<Artist>()
     private val _lastFmAlbum = MutableLiveData<LastFmAlbum>()
@@ -38,18 +37,18 @@ class AlbumDetailsViewModel(
     }
 
     fun loadAlbumInfo(album: Album) = viewModelScope.launch(Dispatchers.IO) {
-        val lastFmAlbum = _repository.albumInfo(album.artistName ?: "-", album.title ?: "-")
+        val lastFmAlbum = repository.albumInfo(album.artistName ?: "-", album.title ?: "-")
         _lastFmAlbum.postValue(lastFmAlbum)
     }
 
     fun loadArtist(artistId: Int) = viewModelScope.launch(Dispatchers.IO) {
-        val artist = _repository.artistById(artistId)
+        val artist = repository.artistById(artistId)
         _artist.postValue(artist)
     }
 
     private val loadAlbumAsync: Deferred<Album?>
         get() = viewModelScope.async(Dispatchers.IO) {
-            _repository.albumById(albumId)
+            repository.albumById(albumId)
         }
 
     override fun onMediaStoreChanged() {

app/src/main/java/code/name/monkey/retromusic/activities/albums/AlbumDetailsViewModelFactory.kt

@@ -1,19 +0,0 @@
-package code.name.monkey.retromusic.activities.albums
-
-import android.app.Application
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-
-class AlbumDetailsViewModelFactory(
-    private val application: Application,
-    private val albumId: Int
-) :
-    ViewModelProvider.AndroidViewModelFactory(application) {
-    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
-        return if (modelClass.isAssignableFrom(AlbumDetailsViewModel::class.java)) {
-            AlbumDetailsViewModel(application, albumId) as T
-        } else {
-            throw IllegalArgumentException("ViewModel Not Found")
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/activities/artists/ArtistDetailActivity.kt

@@ -11,7 +11,6 @@ import android.view.View
 import android.widget.Toast
 import androidx.core.app.ActivityCompat
 import androidx.core.text.HtmlCompat
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.DefaultItemAnimator
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -31,7 +30,6 @@ import code.name.monkey.retromusic.glide.RetroMusicColoredTarget
 import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.interfaces.CabHolder
 import code.name.monkey.retromusic.model.Artist
-import code.name.monkey.retromusic.mvp.presenter.ArtistDetailsView
 import code.name.monkey.retromusic.rest.model.LastFmArtist
 import code.name.monkey.retromusic.util.*
 import code.name.monkey.retromusic.util.color.MediaNotificationProcessor
@@ -39,10 +37,12 @@ import com.afollestad.materialcab.MaterialCab
 import com.bumptech.glide.Glide
 import kotlinx.android.synthetic.main.activity_artist_content.*
 import kotlinx.android.synthetic.main.activity_artist_details.*
+import org.koin.android.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
 import java.util.*
 import kotlin.collections.ArrayList
 
-class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView, CabHolder {
+class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder {
     override fun openCab(menuRes: Int, callback: MaterialCab.Callback): MaterialCab {
         cab?.let {
             if (it.isActive) it.finish()
@@ -68,7 +68,9 @@ class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView,
     private lateinit var songAdapter: SimpleSongAdapter
     private lateinit var albumAdapter: HorizontalAlbumAdapter
     private var forceDownload: Boolean = false
-    private lateinit var viewModel: ArtistDetailsViewModel
+    private val detailsViewModel: ArtistDetailsViewModel by viewModel {
+        parametersOf(extraNotNull<Int>(EXTRA_ARTIST_ID).value)
+    }
 
     override fun createContentView(): View {
         return wrapSlidingMusicPanel(R.layout.activity_artist_details)
@@ -93,23 +95,16 @@ class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView,
         setBottomBarVisibility(View.GONE)
         window.sharedElementsUseOverlay = true
         windowEnterTransition()
-
+        ActivityCompat.postponeEnterTransition(this)
-        val artistId = extraNotNull<Int>(EXTRA_ARTIST_ID).value
+        addMusicServiceEventListener(detailsViewModel)
-        val viewModelFactory = ArtistDetailsViewModelFactory(application, artistId)
+        detailsViewModel.getArtist().observe(this, androidx.lifecycle.Observer {
-        viewModel =
-            ViewModelProvider(this, viewModelFactory).get(ArtistDetailsViewModel::class.java)
-        addMusicServiceEventListener(viewModel)
-        viewModel.getArtist().observe(this, androidx.lifecycle.Observer {
             ActivityCompat.startPostponedEnterTransition(this@ArtistDetailActivity)
             artist(it)
         })
-        viewModel.getArtistInfo().observe(this, androidx.lifecycle.Observer {
+        detailsViewModel.getArtistInfo().observe(this, androidx.lifecycle.Observer {
             artistInfo(it)
         })
-        ActivityCompat.postponeEnterTransition(this)
-
         setupRecyclerView()
-
         playAction.apply {
             setOnClickListener { MusicPlayerRemote.openQueue(artist.songs, 0, true) }
         }
@@ -155,14 +150,11 @@ class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView,
         }
     }
 
-    override fun showEmptyView() {
+    fun complete() {
-    }
-
-    override fun complete() {
         ActivityCompat.startPostponedEnterTransition(this)
     }
 
-    override fun artist(artist: Artist) {
+    fun artist(artist: Artist) {
         complete()
         if (artist.songCount <= 0) {
             finish()
@@ -203,10 +195,10 @@ class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView,
     ) {
         biography = null
         this.lang = lang
-        viewModel.loadBiography(name, lang, null)
+        detailsViewModel.loadBiography(name, lang, null)
     }
 
-    override fun artistInfo(lastFmArtist: LastFmArtist?) {
+    fun artistInfo(lastFmArtist: LastFmArtist?) {
         if (lastFmArtist != null && lastFmArtist.artist != null) {
             val bioContent = lastFmArtist.artist.bio.content
             if (bioContent != null && bioContent.trim { it <= ' ' }.isNotEmpty()) {
@@ -323,7 +315,7 @@ class ArtistDetailActivity : AbsSlidingMusicPanelActivity(), ArtistDetailsView,
 
     override fun onDestroy() {
         super.onDestroy()
-        removeMusicServiceEventListener(viewModel)
+        removeMusicServiceEventListener(detailsViewModel)
     }
 
     companion object {

app/src/main/java/code/name/monkey/retromusic/activities/artists/ArtistDetailsViewModel.kt

@@ -1,9 +1,8 @@
 package code.name.monkey.retromusic.activities.artists
 
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
 import code.name.monkey.retromusic.model.Artist
@@ -15,15 +14,15 @@ import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 
 class ArtistDetailsViewModel(
-    application: Application,
+    private val repository: RepositoryImpl,
     private val artistId: Int
-) : AndroidViewModel(application), MusicServiceEventListener {
+) : ViewModel(), MusicServiceEventListener {
 
     private val loadArtistDetailsAsync: Deferred<Artist?>
         get() = viewModelScope.async(Dispatchers.IO) {
-            _repository.artistById(artistId)
+            repository.artistById(artistId)
         }
-    private val _repository = RepositoryImpl(application.applicationContext)
+
     private val _artist = MutableLiveData<Artist>()
     private val _lastFmArtist = MutableLiveData<LastFmArtist>()
 
@@ -41,7 +40,7 @@ class ArtistDetailsViewModel(
     }
 
     fun loadBiography(name: String, lang: String?, cache: String?) = viewModelScope.launch {
-        val info = _repository.artistInfo(name, lang, cache)
+        val info = repository.artistInfo(name, lang, cache)
         _lastFmArtist.postValue(info)
     }
 

app/src/main/java/code/name/monkey/retromusic/activities/artists/ArtistDetailsViewModelFactory.kt

@@ -1,19 +0,0 @@
-package code.name.monkey.retromusic.activities.artists
-
-import android.app.Application
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-
-class ArtistDetailsViewModelFactory(
-    private val application: Application,
-    private val artistId: Int
-) :
-    ViewModelProvider.AndroidViewModelFactory(application) {
-    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
-        return if (modelClass.isAssignableFrom(ArtistDetailsViewModel::class.java)) {
-            ArtistDetailsViewModel(application, artistId) as T
-        } else {
-            throw IllegalArgumentException("ViewModel Not Found")
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/activities/genre/GenreDetailsActivity.kt

@@ -1,4 +1,4 @@
-package code.name.monkey.retromusic.activities
+package code.name.monkey.retromusic.activities.genre
 
 import android.os.Bundle
 import android.view.Menu
@@ -17,24 +17,25 @@ import code.name.monkey.retromusic.helper.menu.GenreMenuHelper
 import code.name.monkey.retromusic.interfaces.CabHolder
 import code.name.monkey.retromusic.model.Genre
 import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.mvp.presenter.GenreDetailsPresenter
-import code.name.monkey.retromusic.mvp.presenter.GenreDetailsPresenter.GenreDetailsPresenterImpl
-import code.name.monkey.retromusic.mvp.presenter.GenreDetailsView
-import code.name.monkey.retromusic.providers.RepositoryImpl
 import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.RetroColorUtil
 import com.afollestad.materialcab.MaterialCab
 import kotlinx.android.synthetic.main.activity_playlist_detail.*
+import org.koin.android.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
 import java.util.*
 
 /**
  * @author Hemanth S (h4h13).
  */
 
-class GenreDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder, GenreDetailsView {
+class GenreDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder {
 
 
-    private lateinit var genreDetailsPresenter: GenreDetailsPresenter
+    private val detailsViewModel: GenreDetailsViewModel by viewModel {
+        parametersOf(extraNotNull<Genre>(EXTRA_GENRE_ID).value)
+    }
+
     private lateinit var genre: Genre
     private lateinit var songAdapter: ShuffleButtonSongAdapter
     private var cab: MaterialCab? = null
@@ -62,38 +63,25 @@ class GenreDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder, GenreDet
         setTaskDescriptionColorAuto()
         setLightNavigationBar(true)
         setBottomBarVisibility(View.GONE)
-
+        applyToolbar(toolbar)
-        genre = extraNotNull<Genre>(EXTRA_GENRE_ID).value
-
-        setUpToolBar()
         setupRecyclerView()
 
-        genreDetailsPresenter =
+        detailsViewModel.getSongs().observe(this, androidx.lifecycle.Observer {
-            GenreDetailsPresenterImpl(RepositoryImpl(this))
+            songs(it)
-        genreDetailsPresenter.attachView(this)
+        })
-    }
 
-    private fun setUpToolBar() {
+        detailsViewModel.getGenre().observe(this, androidx.lifecycle.Observer {
-        applyToolbar(toolbar)
+            genre = it
-        title = genre.name
+            supportActionBar?.title = it.name
-    }
+        })
 
-    override fun onResume() {
+        addMusicServiceEventListener(detailsViewModel)
-        super.onResume()
-        genreDetailsPresenter.loadGenreSongs(genre.id)
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        genreDetailsPresenter.detachView()
     }
 
     override fun createContentView(): View {
         return wrapSlidingMusicPanel(R.layout.activity_playlist_detail)
     }
 
-    override fun showEmptyView() {
-    }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_genre_detail, menu)
@@ -122,7 +110,7 @@ class GenreDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder, GenreDet
         })
     }
 
-    override fun songs(songs: List<Song>) {
+    fun songs(songs: List<Song>) {
         songAdapter.swapDataSet(songs)
     }
 
@@ -149,11 +137,6 @@ class GenreDetailsActivity : AbsSlidingMusicPanelActivity(), CabHolder, GenreDet
         }
     }
 
-    override fun onMediaStoreChanged() {
-        super.onMediaStoreChanged()
-        genreDetailsPresenter.loadGenreSongs(genre.id)
-    }
-
     companion object {
         const val EXTRA_GENRE_ID = "extra_genre_id"
     }

app/src/main/java/code/name/monkey/retromusic/activities/genre/GenreDetailsViewModel.kt

@@ -0,0 +1,49 @@
+package code.name.monkey.retromusic.activities.genre
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
+import code.name.monkey.retromusic.model.Genre
+import code.name.monkey.retromusic.model.Song
+import code.name.monkey.retromusic.providers.RepositoryImpl
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class GenreDetailsViewModel(
+    private val repository: RepositoryImpl,
+    private val genre: Genre
+) : ViewModel(), MusicServiceEventListener {
+
+    private val _playListSongs = MutableLiveData<List<Song>>()
+    private val _genre = MutableLiveData<Genre>().apply {
+        postValue(genre)
+    }
+
+    fun getSongs(): LiveData<List<Song>> = _playListSongs
+
+    fun getGenre(): LiveData<Genre> = _genre
+
+    init {
+        loadGenreSongs(genre)
+    }
+
+    private fun loadGenreSongs(genre: Genre) = viewModelScope.launch {
+        val songs = repository.getGenre(genre.id)
+        withContext(Main) { _playListSongs.postValue(songs) }
+    }
+
+    override fun onMediaStoreChanged() {
+        loadGenreSongs(genre)
+    }
+
+    override fun onServiceConnected() {}
+    override fun onServiceDisconnected() {}
+    override fun onQueueChanged() {}
+    override fun onPlayingMetaChanged() {}
+    override fun onPlayStateChanged() {}
+    override fun onRepeatModeChanged() {}
+    override fun onShuffleModeChanged() {}
+}

app/src/main/java/code/name/monkey/retromusic/activities/playlist/PlaylistDetailActivity.kt

@@ -1,9 +1,10 @@
-package code.name.monkey.retromusic.activities
+package code.name.monkey.retromusic.activities.playlist
 
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.appthemehelper.util.ATHUtil
@@ -16,14 +17,9 @@ import code.name.monkey.retromusic.extensions.applyToolbar
 import code.name.monkey.retromusic.extensions.extraNotNull
 import code.name.monkey.retromusic.helper.menu.PlaylistMenuHelper
 import code.name.monkey.retromusic.interfaces.CabHolder
-import code.name.monkey.retromusic.loaders.PlaylistLoader
 import code.name.monkey.retromusic.model.AbsCustomPlaylist
 import code.name.monkey.retromusic.model.Playlist
 import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.mvp.presenter.PlaylistSongsPresenter
-import code.name.monkey.retromusic.mvp.presenter.PlaylistSongsPresenter.PlaylistSongsPresenterImpl
-import code.name.monkey.retromusic.mvp.presenter.PlaylistSongsView
-import code.name.monkey.retromusic.providers.RepositoryImpl
 import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.PlaylistsUtil
 import code.name.monkey.retromusic.util.RetroColorUtil
@@ -32,11 +28,15 @@ import com.h6ah4i.android.widget.advrecyclerview.animator.RefactoredDefaultItemA
 import com.h6ah4i.android.widget.advrecyclerview.draggable.RecyclerViewDragDropManager
 import com.h6ah4i.android.widget.advrecyclerview.utils.WrapperAdapterUtils
 import kotlinx.android.synthetic.main.activity_playlist_detail.*
+import org.koin.android.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
 
-class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, PlaylistSongsView {
+class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder {
 
 
-    private lateinit var presenter: PlaylistSongsPresenter
+    private val viewModel: PlaylistDetailsViewModel by viewModel {
+        parametersOf(extraNotNull<Playlist>(EXTRA_PLAYLIST).value)
+    }
     private lateinit var playlist: Playlist
     private var cab: MaterialCab? = null
     private lateinit var adapter: SongAdapter
@@ -52,13 +52,20 @@ class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, Playli
         setLightNavigationBar(true)
         setBottomBarVisibility(View.GONE)
 
-        presenter = PlaylistSongsPresenterImpl(RepositoryImpl(this))
-        presenter.attachView(this)
-
         playlist = extraNotNull<Playlist>(EXTRA_PLAYLIST).value
 
         setUpToolBar()
         setUpRecyclerView()
+
+        viewModel.getSongs().observe(this, Observer {
+            songs(it)
+        })
+
+        viewModel.getPlaylist().observe(this, Observer {
+            playlist = it
+            supportActionBar?.title = it.name
+        })
+        addMusicServiceEventListener(viewModel)
     }
 
     override fun createContentView(): View {
@@ -66,7 +73,6 @@ class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, Playli
     }
 
     private fun setUpRecyclerView() {
-
         recyclerView.layoutManager = LinearLayoutManager(this)
         if (playlist is AbsCustomPlaylist) {
             adapter = PlaylistSongAdapter(this, ArrayList(), R.layout.item_list, this)
@@ -108,11 +114,6 @@ class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, Playli
         })
     }
 
-    override fun onResume() {
-        super.onResume()
-        presenter.loadPlaylistSongs(playlist)
-    }
-
     private fun setUpToolBar() {
         applyToolbar(toolbar)
         title = playlist.name
@@ -162,28 +163,6 @@ class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, Playli
         }
     }
 
-    override fun onMediaStoreChanged() {
-        super.onMediaStoreChanged()
-        if (playlist !is AbsCustomPlaylist) {
-            // Playlist deleted
-            if (!PlaylistsUtil.doesPlaylistExist(this, playlist.id)) {
-                finish()
-                return
-            }
-            // Playlist renamed
-            val playlistName = PlaylistsUtil.getNameForPlaylist(this, playlist.id.toLong())
-            if (playlistName != playlist.name) {
-                playlist = PlaylistLoader.getPlaylist(this, playlist.id)
-                setToolbarTitle(playlist.name)
-            }
-        }
-        presenter.loadPlaylistSongs(playlist)
-    }
-
-    private fun setToolbarTitle(title: String) {
-        supportActionBar?.title = title
-    }
-
     private fun checkForPadding() {
         val height = DensityUtil.dip2px(this, 52f)
         recyclerView.setPadding(0, 0, 0, (height))
@@ -223,16 +202,19 @@ class PlaylistDetailActivity : AbsSlidingMusicPanelActivity(), CabHolder, Playli
             wrappedAdapter = null
         }
         super.onDestroy()
-        presenter.detachView()
     }
 
-    override fun showEmptyView() {
+    fun showEmptyView() {
         empty.visibility = View.VISIBLE
         emptyText.visibility = View.VISIBLE
     }
 
-    override fun songs(songs: List<Song>) {
+    fun songs(songs: List<Song>) {
+        if (songs.isNotEmpty()) {
             adapter.swapDataSet(songs)
+        } else {
+            showEmptyView()
+        }
     }
 
     companion object {

app/src/main/java/code/name/monkey/retromusic/activities/playlist/PlaylistDetailsViewModel.kt

@@ -0,0 +1,67 @@
+package code.name.monkey.retromusic.activities.playlist
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import code.name.monkey.retromusic.App
+import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
+import code.name.monkey.retromusic.loaders.PlaylistLoader
+import code.name.monkey.retromusic.model.AbsCustomPlaylist
+import code.name.monkey.retromusic.model.Playlist
+import code.name.monkey.retromusic.model.Song
+import code.name.monkey.retromusic.providers.RepositoryImpl
+import code.name.monkey.retromusic.util.PlaylistsUtil
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class PlaylistDetailsViewModel(
+    private val repository: RepositoryImpl,
+    private var playlist: Playlist
+) : ViewModel(), MusicServiceEventListener {
+    private val _playListSongs = MutableLiveData<List<Song>>()
+
+    private val _playlist = MutableLiveData<Playlist>().apply {
+        postValue(playlist)
+    }
+
+    fun getPlaylist(): LiveData<Playlist> = _playlist
+
+    fun getSongs(): LiveData<List<Song>> = _playListSongs
+
+    init {
+        loadPlaylistSongs(playlist)
+    }
+
+    private fun loadPlaylistSongs(playlist: Playlist) = viewModelScope.launch {
+        val songs = repository.getPlaylistSongs(playlist)
+        withContext(Main) { _playListSongs.postValue(songs) }
+    }
+
+    override fun onMediaStoreChanged() {
+        if (playlist !is AbsCustomPlaylist) {
+            // Playlist deleted
+            if (!PlaylistsUtil.doesPlaylistExist(App.getContext(), playlist.id)) {
+                //TODO Finish the page
+                return
+            }
+            // Playlist renamed
+            val playlistName =
+                PlaylistsUtil.getNameForPlaylist(App.getContext(), playlist.id.toLong())
+            if (playlistName != playlist.name) {
+                playlist = PlaylistLoader.getPlaylist(App.getContext(), playlist.id)
+                _playlist.postValue(playlist)
+            }
+        }
+        loadPlaylistSongs(playlist)
+    }
+
+    override fun onServiceConnected() {}
+    override fun onServiceDisconnected() {}
+    override fun onQueueChanged() {}
+    override fun onPlayingMetaChanged() {}
+    override fun onPlayStateChanged() {}
+    override fun onRepeatModeChanged() {}
+    override fun onShuffleModeChanged() {}
+}

app/src/main/java/code/name/monkey/retromusic/activities/search/SearchActivity.kt

@@ -1,4 +1,4 @@
-package code.name.monkey.retromusic.activities
+package code.name.monkey.retromusic.activities.search
 
 import android.app.Activity
 import android.app.Service
@@ -24,19 +24,17 @@ import code.name.monkey.appthemehelper.util.MaterialValueHelper
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.activities.base.AbsMusicServiceActivity
 import code.name.monkey.retromusic.adapter.SearchAdapter
-import code.name.monkey.retromusic.mvp.presenter.SearchPresenter
+import code.name.monkey.retromusic.extensions.extra
-import code.name.monkey.retromusic.mvp.presenter.SearchPresenter.SearchPresenterImpl
-import code.name.monkey.retromusic.mvp.presenter.SearchView
-import code.name.monkey.retromusic.providers.RepositoryImpl
 import code.name.monkey.retromusic.util.RetroUtil
 import com.google.android.material.textfield.TextInputEditText
 import kotlinx.android.synthetic.main.activity_search.*
+import org.koin.android.ext.android.inject
 import java.util.*
 import kotlin.collections.ArrayList
 
-class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatcher, SearchView {
+class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatcher {
 
-    private lateinit var presenter: SearchPresenter
+    private val viewModel: SearchViewModel by inject()
     private var searchAdapter: SearchAdapter? = null
     private var query: String? = null
 
@@ -49,14 +47,11 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         setTaskDescriptionColorAuto()
         setLightNavigationBar(true)
 
-        presenter = SearchPresenterImpl(RepositoryImpl(this))
-        presenter.attachView(this)
-
         setupRecyclerView()
         setUpToolBar()
         setupSearchView()
 
-        if (intent.getBooleanExtra(EXTRA_SHOW_MIC, false)) {
+        if (extra<Boolean>(EXTRA_SHOW_MIC).value == true) {
             startMicSearch()
         }
 
@@ -84,6 +79,10 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         if (savedInstanceState != null) {
             query = savedInstanceState.getString(QUERY)
         }
+
+        viewModel.getSearchResult().observe(this, androidx.lifecycle.Observer {
+            showData(it)
+        })
     }
 
     private fun setupRecyclerView() {
@@ -114,11 +113,6 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         searchView.addTextChangedListener(this)
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        presenter.detachView()
-    }
-
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putString(QUERY, query)
@@ -133,7 +127,7 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         TransitionManager.beginDelayedTransition(appBarLayout)
         voiceSearch.visibility = if (query.isNotEmpty()) View.GONE else View.VISIBLE
         clearText.visibility = if (query.isNotEmpty()) View.VISIBLE else View.GONE
-        presenter.search(query)
+        viewModel.search(query)
     }
 
     override fun onMediaStoreChanged() {
@@ -158,12 +152,16 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         }
     }
 
-    override fun showEmptyView() {
+    private fun showEmptyView() {
         searchAdapter?.swapDataSet(ArrayList())
     }
 
-    override fun showData(data: MutableList<Any>) {
+    private fun showData(data: MutableList<Any>) {
+        if (data.isNotEmpty()) {
             searchAdapter?.swapDataSet(data)
+        } else {
+            showEmptyView()
+        }
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
@@ -175,7 +173,7 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
                         data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS)
                     query = result?.get(0)
                     searchView.setText(query, BufferType.EDITABLE)
-                    presenter.search(query!!)
+                    viewModel.search(query!!)
                 }
             }
         }
@@ -190,7 +188,10 @@ class SearchActivity : AbsMusicServiceActivity(), OnQueryTextListener, TextWatch
         intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault())
         intent.putExtra(RecognizerIntent.EXTRA_PROMPT, getString(R.string.speech_prompt))
         try {
-            startActivityForResult(intent, REQ_CODE_SPEECH_INPUT)
+            startActivityForResult(
+                intent,
+                REQ_CODE_SPEECH_INPUT
+            )
         } catch (e: ActivityNotFoundException) {
             e.printStackTrace()
             Toast.makeText(this, getString(R.string.speech_not_supported), Toast.LENGTH_SHORT)

app/src/main/java/code/name/monkey/retromusic/activities/search/SearchViewModel.kt

@@ -0,0 +1,22 @@
+package code.name.monkey.retromusic.activities.search
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import code.name.monkey.retromusic.providers.RepositoryImpl
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class SearchViewModel(private val repository: RepositoryImpl) : ViewModel() {
+    private val results = MutableLiveData<MutableList<Any>>()
+
+    fun getSearchResult(): LiveData<MutableList<Any>> = results
+
+    fun search(query: String?) = viewModelScope.launch(IO) {
+        val result = repository.search(query)
+        withContext(Main) { results.postValue(result) }
+    }
+}

app/src/main/java/code/name/monkey/retromusic/appshortcuts/AppShortcutLauncherActivity.kt

@@ -17,7 +17,7 @@ package code.name.monkey.retromusic.appshortcuts
 import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
-import code.name.monkey.retromusic.activities.SearchActivity
+import code.name.monkey.retromusic.activities.search.SearchActivity
 import code.name.monkey.retromusic.appshortcuts.shortcuttype.LastAddedShortcutType
 import code.name.monkey.retromusic.appshortcuts.shortcuttype.SearchShortCutType
 import code.name.monkey.retromusic.appshortcuts.shortcuttype.ShuffleAllShortcutType

app/src/main/java/code/name/monkey/retromusic/fragments/LibraryViewModel.kt

@@ -1,25 +1,23 @@
 package code.name.monkey.retromusic.fragments
 
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import code.name.monkey.retromusic.adapter.HomeAdapter
 import code.name.monkey.retromusic.fragments.ReloadType.*
 import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
 import code.name.monkey.retromusic.model.*
 import code.name.monkey.retromusic.providers.RepositoryImpl
-import code.name.monkey.retromusic.providers.interfaces.Repository
 import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 
-class LibraryViewModel(application: Application) :
+class LibraryViewModel(
-    AndroidViewModel(application), MusicServiceEventListener {
+    private val repository: RepositoryImpl
+) : ViewModel(), MusicServiceEventListener {
 
-    private val _repository: Repository = RepositoryImpl(application.applicationContext)
     private val _albums = MutableLiveData<List<Album>>()
     private val _songs = MutableLiveData<List<Song>>()
     private val _artists = MutableLiveData<List<Artist>>()
@@ -52,12 +50,12 @@ class LibraryViewModel(application: Application) :
     private fun loadHomeSections() = viewModelScope.launch {
         val list = mutableListOf<Home>()
         val result = listOf(
-            _repository.topArtists(),
+            repository.topArtists(),
-            _repository.topAlbums(),
+            repository.topAlbums(),
-            _repository.recentArtists(),
+            repository.recentArtists(),
-            _repository.recentAlbums(),
+            repository.recentAlbums(),
-            _repository.suggestions(),
+            repository.suggestions(),
-            _repository.favoritePlaylist()
+            repository.favoritePlaylist()
         )
         result.forEach {
             if (it != null && it.arrayList.isNotEmpty()) {
@@ -75,27 +73,27 @@ class LibraryViewModel(application: Application) :
 
     private val loadSongs: Deferred<List<Song>>
         get() = viewModelScope.async(IO) {
-            _repository.allSongs()
+            repository.allSongs()
         }
 
     private val loadAlbums: Deferred<List<Album>>
         get() = viewModelScope.async(IO) {
-            _repository.allAlbums()
+            repository.allAlbums()
         }
 
     private val loadArtists: Deferred<List<Artist>>
         get() = viewModelScope.async(IO) {
-            _repository.allArtists()
+            repository.allArtists()
         }
 
     private val loadPlaylists: Deferred<List<Playlist>>
         get() = viewModelScope.async(IO) {
-            _repository.allPlaylists()
+            repository.allPlaylists()
         }
 
     private val loadGenres: Deferred<List<Genre>>
         get() = viewModelScope.async(IO) {
-            _repository.allGenres()
+            repository.allGenres()
         }
 
     fun forceReload(reloadType: ReloadType) = viewModelScope.launch {

app/src/main/java/code/name/monkey/retromusic/mvp/BaseView.kt

@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp
-
-/**
- * Created by hemanths on 09/08/17.
- */
-
-interface BaseView {
-
-    fun showEmptyView()
-}

app/src/main/java/code/name/monkey/retromusic/mvp/Presenter.kt

@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp
-
-import androidx.annotation.CallSuper
-
-/**
- * Created by hemanths on 16/08/17.
- */
-
-
-interface Presenter<T> {
-    @CallSuper
-    fun attachView(view: T)
-
-    @CallSuper
-    fun detachView()
-}

app/src/main/java/code/name/monkey/retromusic/mvp/PresenterImpl.java

@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp;
-
-/**
- * Created by hemanths on 2019-09-04.
- */
-public abstract class PresenterImpl<T> {
-    protected T view;
-
-    public void attachView(T view) {
-        this.view = view;
-    }
-
-    public void detachView() {
-        view = null;
-    }
-}

app/src/main/java/code/name/monkey/retromusic/mvp/presenter/AlbumDetailsPresenter.kt

@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp.presenter
-
-import code.name.monkey.retromusic.model.Album
-import code.name.monkey.retromusic.model.Artist
-import code.name.monkey.retromusic.rest.model.LastFmAlbum
-
-/**
- * Created by hemanths on 20/08/17.
- */
-interface AlbumDetailsView {
-
-    fun album(album: Album)
-
-    fun complete()
-
-    fun loadArtistImage(artist: Artist)
-
-    fun moreAlbums(albums: List<Album>)
-
-    fun aboutAlbum(lastFmAlbum: LastFmAlbum)
-}

app/src/main/java/code/name/monkey/retromusic/mvp/presenter/ArtistDetailsPresenter.kt

@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp.presenter
-
-import code.name.monkey.retromusic.model.Artist
-import code.name.monkey.retromusic.mvp.BaseView
-import code.name.monkey.retromusic.rest.model.LastFmArtist
-
-/**
- * Created by hemanths on 20/08/17.
- */
-interface ArtistDetailsView : BaseView {
-
-    fun artist(artist: Artist)
-
-    fun artistInfo(lastFmArtist: LastFmArtist?)
-
-    fun complete()
-}

app/src/main/java/code/name/monkey/retromusic/mvp/presenter/GenreDetailsPresenter.kt

@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp.presenter
-
-import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.mvp.BaseView
-import code.name.monkey.retromusic.mvp.Presenter
-import code.name.monkey.retromusic.mvp.PresenterImpl
-import code.name.monkey.retromusic.providers.interfaces.Repository
-import kotlinx.coroutines.*
-import kotlinx.coroutines.Dispatchers.Main
-import kotlin.coroutines.CoroutineContext
-
-/**
- * Created by hemanths on 20/08/17.
- */
-
-interface GenreDetailsView : BaseView {
-
-    fun songs(songs: List<Song>)
-}
-
-interface GenreDetailsPresenter : Presenter<GenreDetailsView> {
-    fun loadGenreSongs(genreId: Int)
-
-    class GenreDetailsPresenterImpl constructor(
-        private val repository: Repository
-    ) : PresenterImpl<GenreDetailsView>(), GenreDetailsPresenter, CoroutineScope {
-
-        private val job = Job()
-
-        override val coroutineContext: CoroutineContext
-            get() = Dispatchers.IO + job
-
-        override fun detachView() {
-            super.detachView()
-            job.cancel()
-        }
-
-        override fun loadGenreSongs(genreId: Int) {
-            launch {
-                val result = repository.getGenre(genreId)
-                withContext(Main) { view?.songs(result) }
-            }
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/mvp/presenter/PlaylistSongsPresenter.kt

@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp.presenter
-
-import code.name.monkey.retromusic.model.Playlist
-import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.mvp.BaseView
-import code.name.monkey.retromusic.mvp.Presenter
-import code.name.monkey.retromusic.mvp.PresenterImpl
-import code.name.monkey.retromusic.providers.interfaces.Repository
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.Dispatchers.Main
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import kotlin.coroutines.CoroutineContext
-
-/**
- * Created by hemanths on 20/08/17.
- */
-interface PlaylistSongsView : BaseView {
-
-    fun songs(songs: List<Song>)
-}
-
-interface PlaylistSongsPresenter : Presenter<PlaylistSongsView> {
-    fun loadPlaylistSongs(playlist: Playlist)
-
-    class PlaylistSongsPresenterImpl constructor(
-        private val repository: Repository
-    ) : PresenterImpl<PlaylistSongsView>(), PlaylistSongsPresenter, CoroutineScope {
-
-        private var job: Job = Job()
-
-        override val coroutineContext: CoroutineContext
-            get() = IO + job
-
-        override fun loadPlaylistSongs(playlist: Playlist) {
-            launch {
-                val songs = repository.getPlaylistSongs(playlist)
-                withContext(Main) { view?.songs(songs) }
-            }
-        }
-
-        override fun detachView() {
-            super.detachView()
-            job.cancel()
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/mvp/presenter/SearchPresenter.kt

@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.mvp.presenter
-
-import code.name.monkey.retromusic.mvp.BaseView
-import code.name.monkey.retromusic.mvp.Presenter
-import code.name.monkey.retromusic.mvp.PresenterImpl
-import code.name.monkey.retromusic.providers.interfaces.Repository
-import kotlinx.coroutines.*
-
-import kotlin.coroutines.CoroutineContext
-
-/**
- * Created by hemanths on 20/08/17.
- */
-
-interface SearchView : BaseView {
-
-    fun showData(data: MutableList<Any>)
-}
-
-interface SearchPresenter : Presenter<SearchView> {
-
-    fun search(query: String?)
-
-    class SearchPresenterImpl constructor(
-        private val repository: Repository
-    ) : PresenterImpl<SearchView>(), SearchPresenter, CoroutineScope {
-
-        override val coroutineContext: CoroutineContext
-            get() = Dispatchers.IO + job
-
-        private var job: Job = Job()
-
-        override fun detachView() {
-            super.detachView()
-            job.cancel()
-        }
-
-        override fun search(query: String?) {
-            launch {
-                val result = repository.search(query)
-                withContext(Dispatchers.Main) { view?.showData(result) }
-            }
-        }
-    }
-}
-
-

app/src/main/java/code/name/monkey/retromusic/providers/ProviderModule.kt

@@ -0,0 +1,11 @@
+package code.name.monkey.retromusic.providers
+
+import org.eclipse.egit.github.core.Repository
+import org.koin.dsl.bind
+import org.koin.dsl.module
+
+val provideModules = module {
+    single {
+        RepositoryImpl(get())
+    } bind Repository::class
+}

app/src/main/java/code/name/monkey/retromusic/util/NavigationUtil.java

@@ -30,13 +30,13 @@ import org.jetbrains.annotations.NotNull;
 import code.name.monkey.retromusic.R;
 import code.name.monkey.retromusic.activities.AboutActivity;
 import code.name.monkey.retromusic.activities.DriveModeActivity;
-import code.name.monkey.retromusic.activities.GenreDetailsActivity;
+import code.name.monkey.retromusic.activities.genre.GenreDetailsActivity;
 import code.name.monkey.retromusic.activities.LicenseActivity;
 import code.name.monkey.retromusic.activities.LyricsActivity;
 import code.name.monkey.retromusic.activities.PlayingQueueActivity;
-import code.name.monkey.retromusic.activities.PlaylistDetailActivity;
+import code.name.monkey.retromusic.activities.playlist.PlaylistDetailActivity;
 import code.name.monkey.retromusic.activities.PurchaseActivity;
-import code.name.monkey.retromusic.activities.SearchActivity;
+import code.name.monkey.retromusic.activities.search.SearchActivity;
 import code.name.monkey.retromusic.activities.SettingsActivity;
 import code.name.monkey.retromusic.activities.SupportDevelopmentActivity;
 import code.name.monkey.retromusic.activities.UserInfoActivity;