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Android Quiz App Kotlin 7-4
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override fun onCreate(savedInstanceState: Bundle?) { | |
super.onCreate(savedInstanceState) | |
binding = ActivityResultBinding.inflate(layoutInflater) | |
setContentView(binding.root) | |
// 正解数を取得 | |
val score = intent.getIntExtra("RIGHT_ANSWER_COUNT", 0) | |
// トータルスコアの読み出し | |
val prefs = getPreferences(Context.MODE_PRIVATE) | |
var totalScore = prefs.getInt("TOTAL_SCORE", 0) | |
// トータルスコアに今回のスコアを加算 | |
totalScore += score | |
// TextViewに表示する | |
binding.resultLabel.text = getString(R.string.result_score, score) | |
binding.totalScoreLabel.text = getString(R.string.result_total_score, totalScore) | |
// トータルスコアを保存 | |
val editor = prefs.edit() | |
editor.putInt("TOTAL_SCORE", totalScore) | |
editor.apply() | |
} |
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