削除機能の実装

app/src/main/java/com/example/oplogy/MainActivity.java

@@ -107,23 +107,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
                 runOnUiThread(() -> {
                     if (totalStudent != myDataListSize) {
                         // 値が一致しない場合、ダイアログを表示
-                        new AlertDialog.Builder(MainActivity.this)
+                        showRouteCreationDialog();
-                                .setTitle("警告")
-                                .setMessage("人数が足りてませんがそれでもルート作成を行いますか？")
-                                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
-                                    @Override
-                                    public void onClick(DialogInterface dialog, int which) {
-                                        Intent toRoot = new Intent(MainActivity.this,Maps.class);
-                                        startActivity(toRoot);
-                                    }
-                                })
-                                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
-                                    @Override
-                                    public void onClick(DialogInterface dialog, int which) {
-                                        dialog.dismiss();
-                                    }
-                                })
-                                .show();
                     } else {
                         Intent toRoot = new Intent(MainActivity.this,Maps.class);
                         startActivity(toRoot);
@@ -160,4 +144,24 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         });
         builder.show();
     }
+    //ルート作成のダイアログ
+    private void showRouteCreationDialog() {
+        new AlertDialog.Builder(MainActivity.this)
+                .setTitle("警告")
+                .setMessage("人数が足りてませんがそれでもルート作成を行いますか？")
+                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        Intent toRoot = new Intent(MainActivity.this,Maps.class);
+                        startActivity(toRoot);
+                    }
+                })
+                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.dismiss();
+                    }
+                })
+                .show();
+    }
 }

app/src/main/java/com/example/oplogy/SetUpActivity.java

@@ -177,6 +177,8 @@ public class SetUpActivity extends FragmentActivity
             showTimePickerDialog();
         });
 
+        //リセットボタンの処理
+
         reset.setOnClickListener(v -> { //テキストとラジオボタンの選択を消去
             setTeacherName.setText("");
             setStartPoint.setText("");
@@ -188,6 +190,13 @@ public class SetUpActivity extends FragmentActivity
             setStartBreakTime.setText("");
             setEndBreakTime.setText("");
             setTotalStudent.setText("");
+
+            ExecutorService executor = Executors.newSingleThreadExecutor();
+            executor.execute(() -> {
+                AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable").build();
+                SetUpTableDao setUpTableDao = db.setUpTableDao();
+                setUpTableDao.deleteAll();
+            });
         });
     }
 

app/src/main/java/com/example/oplogy/SetUpTableDao.java

@@ -14,9 +14,19 @@ public interface SetUpTableDao {
     @Update
     void update(SetUpTable setUpTable);
     //名前が一致しているかの確認
+
+    //削除処理
+    @Query("DELETE FROM SetUpTable")
+    void deleteAll();
+
     @Query("SELECT * FROM SetUpTable WHERE teacherName = :name LIMIT 1")
     SetUpTable findByName(String name);
 
     @Query("SELECT totalStudent FROM SetUpTable")
     int getTotalStudent();
+    //開始時間と終了時間の取得
+    @Query("SELECT startTime FROM SetUpTable")
+    String getStartTime();
+    @Query("SELECT endTime FROM SetUpTable")
+    String getEndTime();
 }