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Working on implementing SQLite Database #16

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This commit is contained in:
amazing-username
2019-03-02 19:33:29 -05:00
parent 74fcbd09c9
commit e542bf7dd4
30 changed files with 429 additions and 42 deletions
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app/src/main/java/com/example/mear/MainActivity.kt
+61 -5
View File
@@ -1,21 +1,25 @@
package com.example.mear
import android.graphics.Bitmap
import android.content.Context
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteQuery
import android.graphics.BitmapFactory
import android.media.MediaPlayer
import android.os.Bundle
import android.os.Environment
import android.support.design.widget.Snackbar
import android.support.v7.app.AppCompatActivity;
import java.lang.Exception
import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.content_main.*
import kotlinx.coroutines.selects.select
import kotlin.io.*
import kotlin.random.Random
import org.jetbrains.anko.*
import org.jetbrains.anko.db.*
import com.example.mear.management.TrackRepository
import com.example.mear.management.DatabaseManager
import com.example.mear.management.MusicFiles
import com.example.mear.management.TrackManager
import com.example.mear.models.Track
@@ -173,13 +177,65 @@ class MainActivity : AppCompatActivity() {
return allSongs!!
}
private fun loadTracks(allSongs: MutableList<String>) {
val trackMgr = TrackManager(allSongs!!)
var trackMgr = TrackManager(allSongs!!)
trackMgr.configureTracks()
allTracks = trackMgr.allTracks
val allTracks = trackMgr.allTracks
trackMgr = TrackManager( listOf())
this.allTracks = allTracks
databaseInit(allTracks!!)
val obk = TrackRepository(this).getAll()
currentSong = fetchSongIndex(PlayTypes.PlaySong)
}
private fun databaseInit(allTracks: MutableList<Track>) {
/**
database.use {
dropTable("Track")
createTable("Track", true,
"Id" to INTEGER + PRIMARY_KEY + UNIQUE,
"Title" to INTEGER, "Album" to TEXT, "Artist" to TEXT,
"Duration" to INTEGER, "Cover" to BLOB, "SongPath" to TEXT
)
for (songData in allTracks) {
insert("Track",
"id" to songData.id,
"Title" to songData.title,
"Album" to songData.album,
"Artist" to songData.artist,
"Duration" to songData.length,
"Cover" to songData.TrackCover,
"FilePath" to songData.songPath)
}
}
*/
/**
myDB.createTable("Track", true,
"Id" to INTEGER + UNIQUE,
"Title" to TEXT, "Artist" to TEXT, "Album" to TEXT,
"Duration" to INTEGER, "Cover" to BLOB, "SongPath" to TEXT)
*/
TrackRepository(this).delete()
for (songData in allTracks) {
TrackRepository(this).create(songData)
}
}
/**
private fun databaseGetTracks(db: ManagedSQLiteOpenHelper): List<Track> = db.use {
val trackParser = classParser<Track>()
var dbObj = db.readableDatabase
dbObj.use {
select("Track").exec {
val ss = this
val tracks: List<Track> = parseList()
}
}
}
*/
private var TrackPayer: MediaPlayer? = null
private var allTracks: MutableList<Track>? = null
private var currentSong: Int? = null
app/src/main/java/com/example/mear/extensions.kt
+8
View File
@@ -0,0 +1,8 @@
package com.example.mear
import android.content.Context
import com.example.mear.management.DatabaseManager
val Context.database: DatabaseManager
get() = DatabaseManager.getInstance(applicationContext)
app/src/main/java/com/example/mear/management/DatabaseManager.kt
+41
View File
@@ -0,0 +1,41 @@
package com.example.mear.management
import android.content.Context
import android.database.sqlite.SQLiteDatabase
import org.jetbrains.anko.db.*
import org.jetbrains.anko.db.ManagedSQLiteOpenHelper
class DatabaseManager(ctx: Context): ManagedSQLiteOpenHelper(ctx, "Mear",
null, 1) {
companion object {
private var instance: DatabaseManager? = null
@Synchronized
fun getInstance(ctx: Context): DatabaseManager {
if (instance == null) {
instance = DatabaseManager(ctx.applicationContext)
}
return instance!!
}
}
override fun onCreate(db: SQLiteDatabase?) {
//db!!.dropTable("Track")
db!!.createTable("Track", true,
"Id" to INTEGER + PRIMARY_KEY + UNIQUE,
"Title" to TEXT, "Album" to TEXT, "Artist" to TEXT,
"Cover" to BLOB, "Duration" to INTEGER,
"FilePath" to TEXT)
}
override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
db!!.dropTable("Track")
}
private fun createSettingsTable() {
}
}
app/src/main/java/com/example/mear/management/MusicFiles.kt
+11 -15
View File
@@ -1,6 +1,5 @@
package com.example.mear.management
import android.os.Environment
import java.io.File
import java.lang.Exception
import kotlin.io.*
@@ -19,25 +18,22 @@ class MusicFiles (val demoPath: File) {
val listOfFiles = folder.listFiles()
for (i in listOfFiles) {
if (allSongs!!.count() < musicSongLimit) {
for (j in i.listFiles()) {
if (j.absolutePath.toString().contains("zip")) {
println("zip file")
}
for (k in j.listFiles()) {
println("What's good?")
if (k.absolutePath.toString().contains("mp3")) {
for (j in i.listFiles()) {
if (j.absolutePath.toString().contains("zip")) {
}
for (k in j.listFiles()) {
if (k.absolutePath.toString().contains("mp3")) {
if (count < musicSongLimit) {
allSongs!!.add(k.absolutePath.toString())
count++
} else {
println("Stranger")
}
else
{
break
}
}
}
}
else {
break
}
}
songCount = count
}
@@ -49,5 +45,5 @@ class MusicFiles (val demoPath: File) {
var allSongs: MutableList<String>?= null
var songCount: Int? = null
val musicSongLimit = 50
val musicSongLimit = 120
}
app/src/main/java/com/example/mear/management/TrackManager.kt
-7
View File
@@ -1,17 +1,10 @@
package com.example.mear.management
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.media.MediaMetadataRetriever
import java.io.File
import java.lang.Exception
import ealvatag.audio.AudioFile
import ealvatag.audio.AudioFileIO
import ealvatag.tag.FieldKey
import ealvatag.tag.NullTag
import com.example.mear.models.Track
class TrackManager(val allSongPath: List<String>) {
app/src/main/java/com/example/mear/management/TrackRepository.kt
+51
View File
@@ -0,0 +1,51 @@
package com.example.mear.management
import android.content.Context
import com.example.mear.database
import java.util.ArrayList
import org.jetbrains.anko.db.*
import com.example.mear.management.*
import com.example.mear.models.Track
class TrackRepository(val context: Context) {
fun getAll(): List<Track> = context.database.use {
val tracks = mutableListOf<Track>()
select("Track", "id", "Title")
.parseList(object : MapRowParser<Track>{
override fun parseRow(columns: Map<String, Any?>): Track {
val id = columns.getValue("Id")
val title = columns.getValue("Title")
val track = Track(id.toString().toInt(), title.toString(),"","",0,
ByteArray(0), "")
tracks.add(track)
return track
}
})
tracks
}
fun create(track: Track) = context.database.use {
insert("Track",
"Id" to track.id,
"Title" to track.title,
"Album" to track.album,
"Artist" to track.artist,
"Duration" to track.length,
"SongPath" to track.songPath,
"Cover" to track.TrackCover)
}
fun delete(track: Track) = context.database.use {
delete("Track", whereClause = "id = {$track.id}")
}
fun delete() = context.database.use {
delete("Track")
}
}
app/src/main/java/com/example/mear/models/Track.kt
+11 -1
View File
@@ -1,5 +1,15 @@
package com.example.mear.models
class Track (val id: Int, val title: String, val artist: String, val album: String,
data class Track (val id: Int, val title: String, val artist: String, val album: String,
val length: Int, val TrackCover: ByteArray, val songPath: String) {
companion object {
//val Track.COLUMN_ID = "id"
val TABLE_NAME = "Track"
val COLUMN_TITLE = "Title"
val COLUMN_ARTIST = "Artist"
val COLUMN_ALBUM = "Album"
val COLUMN_DURATION = "Duration"
val COLUMN_COVER = "Cover"
val COLUMN_SONGPATH = "SongPath"
}
}