デバッグなう
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@ -3,7 +3,7 @@ package com.example.oplogy;
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import androidx.room.Database;
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import androidx.room.RoomDatabase;
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@Database(entities = {SetUpTable.class}, version = 2, exportSchema = false)
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@Database(entities = {SetUpTable.class}, version = 3, exportSchema = false)
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public abstract class AppDatabase extends RoomDatabase {
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// データベースにアクセスするためのメソッドを提供する
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public abstract SetUpTableDao setUpTableDao();
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@ -176,7 +176,9 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
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// タスク1: ローカルDBから生徒数を取得してtotalStudentと比較
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executor.execute(() -> {
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AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable").build();
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AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable")
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.fallbackToDestructiveMigration()
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.build();
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SetUpTableDao setUpTableDao = db.setUpTableDao();
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Log.d("MainActivity", "db" + setUpTableDao.getAll());
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@ -341,7 +343,9 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
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//roomからclassIdを取得
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ExecutorService executor = Executors.newSingleThreadExecutor();
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executor.execute(() -> {
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AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable").build();
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AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable")
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.fallbackToDestructiveMigration()
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.build();
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SetUpTableDao setUpTableDao = db.setUpTableDao();
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classId = setUpTableDao.getClassId();
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});
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@ -127,11 +127,8 @@ public class SetUpActivity extends FragmentActivity
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executor.execute(() -> {
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//roomのインスタンスを作成
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AppDatabase db = Room.databaseBuilder(
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getApplicationContext(),
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AppDatabase.class,
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"SetUpTable"
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)
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AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable")
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.fallbackToDestructiveMigration()
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.build();
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SetUpTableDao setUpTableDao = db.setUpTableDao();
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// Roomの操作を行う
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