フェーズごとの音楽再生を追加

app/src/main/java/com/example/koshiro/rushmash/ScheduleActivity.kt

@@ -1,20 +1,105 @@
 package com.example.koshiro.rushmash
 
 import android.content.Intent
-import android.support.v7.app.AppCompatActivity
+import android.media.AudioManager
+import android.media.MediaPlayer
 import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.util.Log
 import kotlinx.android.synthetic.main.activity_schedule.*
+import kotlin.concurrent.thread
 
 class ScheduleActivity : AppCompatActivity() {
 
+    private var player: MediaPlayer? = null
+    private val firstPeriodMsec: Long = 10 * 1000     //序盤の時間(msec) なんらかの方法で取得
+    private val secondPeriodMsec: Long = 10 * 1000     //中盤の時間(msec)
+    private val thirdTimeMsec: Long = 10 * 1000      //終盤の時間(msec)
+    private var playerCreateFlag = true
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_schedule)
         setSupportActionBar(schedule_toolbar)
 
         stop_music_Button.setOnClickListener {
+            audioStop()
+            playerCreateFlag = false
             val intent = Intent(this, FinishActivity::class.java)
             startActivity(intent)
         }
+        playScheduleMusic(firstPeriodMsec, secondPeriodMsec, thirdTimeMsec)
+    }
+    private fun playScheduleMusic(firstMsec: Long, secondMsec: Long, thirdMsec: Long) {
+        Log.d("test", "playScheduleMusic start")
+        thread {
+            if (!firstMsec.equals(0)) {     //序盤の音楽
+                audioPlay(1)
+                Log.d("timer", "first timer start! $firstMsec[msec]")
+                if(playerCreateFlag) Thread.sleep(firstMsec)
+                Log.d("timer", "first timer ended!")
+                //一旦曲の再生を止める
+                audioStop()
+            }
+            if (!secondMsec.equals(0)) {    //中盤の音楽
+                audioPlay(2)
+                Log.d("timer", "second timer start! $secondMsec[msec]")
+                if(playerCreateFlag)  Thread.sleep(secondMsec)
+                Log.d("timer", "second timer ended!")
+                //一旦曲の再生を止める
+                audioStop()
+            }
+            if (!thirdMsec.equals(0)) {     //終盤の音楽
+                audioPlay(3)
+                Log.d("timer", "third timer start! $thirdMsec[msec]")
+                if(playerCreateFlag)  Thread.sleep(thirdMsec)
+                Log.d("timer", "third timer ended!")
+                //一旦曲の再生を止める
+                audioStop()
+            }
+            if(playerCreateFlag) {
+                val intent = Intent(this, FinishActivity::class.java)
+                startActivity(intent)
+            }
+        }
+        Log.d("test", "playScheduleMusic end")
+    }
+    private fun audioSetup(musicId: Int) {
+        Log.d("musicid", musicId.toString())
+        when (musicId) {
+            1 -> {  //序盤の曲
+                player = MediaPlayer.create(this, R.raw.first)
+                playerCreateFlag = true
+            }
+            2 -> {  //中盤の曲
+                if (playerCreateFlag) player = MediaPlayer.create(this, R.raw.middle)
+            }
+            3 -> {  //終盤の曲
+                if (playerCreateFlag) player = MediaPlayer.create(this, R.raw.last)
+            }
+            else -> {
+                //エラーのときの処理
+            }
+        }
+        player?.isLooping = true
+        volumeControlStream = AudioManager.STREAM_MUSIC
+    }
+    fun audioPlay(musicId: Int) {
+        if (player == null) {
+            audioSetup(musicId)     //この関数処理後にplayerCreateFlagが立ってればplayerはnullじゃなくなる
+        }
+        if (player != null) {
+            player!!.start()
+        }
+    }
+    fun audioStop() {
+        if (player != null) {
+            player.apply {
+                this!!.stop()
+                reset()
+                release()
+            }
+            player = null
+        }
     }
 }