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

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+package com.example.mear
+
+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 kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.content_main.*
+import java.io.File
+import kotlin.io.*
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        setSupportActionBar(toolbar)
+
+        initializeMediaPlayer()
+
+        PlayTrack.setOnClickListener {
+            playSongTrack()
+        }
+    }
+
+
+    fun configureSongs() {
+
+    }
+
+    fun initializeMediaPlayer() {
+        if (TrackPayer == null) {
+            TrackPayer = MediaPlayer()
+        }
+        File("/").walkTopDown().forEach { print(it) }
+    }
+
+    fun playSongTrack() {
+
+    }
+
+
+    var TrackPayer: MediaPlayer? = null
+    var sysPath = Environment.getRootDirectory()
+}