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fetch albums after clicking an artist

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tibbi 2020-09-30 21:30:48 +02:00
parent 75df0fc4b9
commit ca1a1a2b00
3 changed files with 47 additions and 2 deletions
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44
app/src/main/kotlin/com/simplemobiletools/musicplayer/fragments/ArtistsFragment.kt
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@ -10,6 +10,7 @@ import com.simplemobiletools.commons.extensions.showErrorToast
import com.simplemobiletools.commons.helpers.ensureBackgroundThread
import com.simplemobiletools.musicplayer.activities.SimpleActivity
import com.simplemobiletools.musicplayer.adapters.ArtistsAdapter
import com.simplemobiletools.musicplayer.models.Album
import com.simplemobiletools.musicplayer.models.Artist
import kotlinx.android.synthetic.main.fragment_artists.view.*
@ -17,13 +18,19 @@ class ArtistsFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
override fun setupFragment(activity: SimpleActivity) {
getArtists(activity) { artists ->
ArtistsAdapter(activity, artists, artists_list) {
openArtist(activity, it as Artist)
}.apply {
artists_list.adapter = this
}
}
}
private fun openArtist(activity: Activity, artist: Artist) {
getAlbums(activity, artist.id) {
}
}
private fun getArtists(activity: Activity, callback: (artists: ArrayList<Artist>) -> Unit) {
ensureBackgroundThread {
val artists = ArrayList<Artist>()
@ -58,4 +65,39 @@ class ArtistsFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
}
}
}
private fun getAlbums(activity: Activity, artistId: Int, callback: (artists: ArrayList<Album>) -> Unit) {
ensureBackgroundThread {
val albums = ArrayList<Album>()
val uri = Audio.Albums.EXTERNAL_CONTENT_URI
val projection = arrayOf(
Audio.Albums.ALBUM_ID,
Audio.Albums.ARTIST,
Audio.Albums.ALBUM)
val selection = "${Audio.Albums.ARTIST_ID} = ?"
val selectionArgs = arrayOf(artistId.toString())
try {
val cursor = activity.contentResolver.query(uri, projection, selection, selectionArgs, null)
cursor?.use {
if (cursor.moveToFirst()) {
do {
val id = cursor.getIntValue(Audio.Albums.ALBUM_ID)
val artist = cursor.getStringValue(Audio.Albums.ARTIST)
val title = cursor.getStringValue(Audio.Albums.ALBUM)
val album = Album(id, artist, title)
albums.add(album)
} while (cursor.moveToNext())
}
}
} catch (e: Exception) {
activity.showErrorToast(e)
}
activity.runOnUiThread {
callback(albums)
}
}
}
}

3
app/src/main/kotlin/com/simplemobiletools/musicplayer/models/Album.kt Normal file
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@ -0,0 +1,3 @@
package com.simplemobiletools.musicplayer.models
data class Album(val id: Int, val artist: String, val title: String)

2
app/src/main/kotlin/com/simplemobiletools/musicplayer/models/Artist.kt
View file

@ -1,3 +1,3 @@
package com.simplemobiletools.musicplayer.models
data class Artist(var id: Int, val title: String, val albumCnt: Int, val trackCnt: Int)
data class Artist(val id: Int, val title: String, val albumCnt: Int, val trackCnt: Int)