質問編集履歴
1
不要なコード削除
test
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File without changes
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test
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@@ -32,14 +32,6 @@
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class MainActivity : AppCompatActivity() {
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private lateinit var timer:CountDownTimer
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private val startTime:Long=10000
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var runningTime:Long = 0
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private lateinit var mediaPlayer:MediaPlayer
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override fun onCreate(savedInstanceState: Bundle?) {
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@@ -50,31 +42,9 @@
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val tv: TextView =findViewById(R.id.tv)
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val btnStart:Button = findViewById(R.id.btnStart)
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val btnStop:Button=findViewById(R.id.btnStop)
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+
//中略
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btnStart.setOnClickListener {
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timer = countDownTimer(startTime).start()
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}
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btnStop.setOnClickListener {
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timer.cancel()
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tv.text ="${runningTime /1000}"
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}
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}
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@@ -92,17 +62,11 @@
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//TODO("Not yet implemented")
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runningTime = p0
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tv.text="${p0/1000}"
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}
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override fun onFinish() {
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//TODO("Not yet implemented")
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-
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tv.text="おわり"
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