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

@@ -1,7 +1,7 @@
 package com.example.oplogy;
+
 import androidx.room.Database;
 import androidx.room.RoomDatabase;
-import androidx.room.TypeConverters;
 
 @Database(entities = {SetUpTable.class}, version = 1)
 public abstract class AppDatabase extends RoomDatabase {

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

@@ -1,7 +1,10 @@
 package com.example.oplogy;
 
+import android.content.Context;
 import android.util.Log;
 
+import androidx.room.Room;
+
 import com.google.firebase.Timestamp;
 
 import java.text.SimpleDateFormat;
@@ -9,11 +12,22 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
 
 public class CreateRoot {
-    public void receiveData(List<MyDataClass> myDataList) {
+    private Context context;
+    private AppDatabase db;
 
+    public CreateRoot(MainActivity activity) {
+        this.context = activity;
+        this.db = Room.databaseBuilder(activity.getApplicationContext(), AppDatabase.class, "SetUpTable").build();
+    }
+
+    public void receiveData(List<MyDataClass> myDataList) {
         for (int i = 0; i < myDataList.size(); i++) {
+            //希望時間帯の終了時刻から開始時刻を引いて希望時間帯の長さ(timezone)に入れる
             MyDataClass data = myDataList.get(i);
             List<Timestamp> firstDay = data.getFirstDay();
             Timestamp startTime = firstDay.get(0);
@@ -21,6 +35,7 @@ public class CreateRoot {
             Long timezone = endTime.getSeconds() - startTime.getSeconds();
             data.setTimezone(timezone);
 
+            //TimeStampを日付に変換
             Date startDate = new Date(startTime.getSeconds() * 1000);
             Date endDate = new Date(endTime.getSeconds() * 1000);
             SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
@@ -37,7 +52,7 @@ public class CreateRoot {
             Log.d("CreateRoot", "(index: " + i + ") startDate: " + myDataList.get(i).getStartDateString());
             Log.d("CreateRoot", "(index: " + i + ") data: " + myDataList.get(i));
         }
-        // timezoneを比較するComparatorを作成
+        // timezoneを比較するComparator→timezoneが短い順に並べる
         Comparator<MyDataClass> comparator = new Comparator<MyDataClass>() {
             @Override
             public int compare(MyDataClass data1, MyDataClass data2) {
@@ -51,6 +66,17 @@ public class CreateRoot {
             Log.d("CreateRoot", "(index: " + i + ") timezone: " + myDataList.get(i).getTimezone());
             Log.d("CreateRoot", "(index: " + i + ") startDate: " + myDataList.get(i).getStartDateString());
             Log.d("CreateRoot", "(index: " + i + ") data: " + myDataList.get(i));
-        }
+
+        }
+
+        ExecutorService executor = Executors.newSingleThreadExecutor();
+        executor.execute(new Runnable() {
+            @Override
+            public void run() {
+                SetUpTableDao setUpTableDao = db.setUpTableDao();
+                String startTime=setUpTableDao.getStartTime();
+                Log.d("CreateRoot", "開始時間" + startTime);
+            }
+        });
     }
 }

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

@@ -11,7 +11,6 @@ import com.google.firebase.firestore.QueryDocumentSnapshot;
 import com.google.firebase.firestore.QuerySnapshot;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -64,8 +63,7 @@ public class FirestoreReception {
                             for (MyDataClass data : myDataList) {
                                 Log.i("FirestoreReceptiond", "data: " + data.toString());
                             }
-                            CreateRoot createRoot=new CreateRoot();
+
-                            createRoot.receiveData(myDataList);
                         } else {
                             Log.w("FirestoreReceptiond", "Error getting documents.", task.getException());
                         }
@@ -73,4 +71,12 @@ public class FirestoreReception {
                 });
 
     }
+
+    public int getMyDataListSize() {
+        return myDataList.size();
+    }
+
+    public List<MyDataClass> getMyDataList() {
+        return myDataList;
+    }
 }

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

@@ -14,6 +14,9 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.firebase.firestore.FirebaseFirestore;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
 
     //    ID作成のTextViewとImageView
@@ -68,8 +71,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         firestoreReception.getDocumentsByClassId(100);
 
 
-
-
     }
 
 
@@ -91,9 +92,15 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         }
 //        ルート作成のクリック処理
         if (view == root) {
+            //CreateRootにmyDataListを渡す
             imageRoot.setImageResource(R.drawable.pin);
-            Intent toRoot = new Intent(MainActivity.this,Maps.class);
+            List<MyDataClass> myDataList = firestoreReception.getMyDataList();
+            CreateRoot createRoot = new CreateRoot(MainActivity.this);
+            createRoot.receiveData(myDataList);
+            Intent toRoot = new Intent(MainActivity.this, CreateRoot.class);
+            toRoot.putExtra("myDataList", (ArrayList<MyDataClass>) myDataList);
             startActivity(toRoot);
+
         }
 //        提出状況のクリック処理
         if (view == submission) {
@@ -101,6 +108,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             startActivity(toSubmission);
         }
     }
+
     private void showUUIDYesNoDialog() {
         //ダイアログの表示
         AlertDialog.Builder builder = new AlertDialog.Builder(this);

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

@@ -1,11 +1,10 @@
 package com.example.oplogy;
+
 import androidx.room.Dao;
 import androidx.room.Insert;
 import androidx.room.Query;
 import androidx.room.Update;
 
-import java.util.List;
-
 @Dao
 public interface SetUpTableDao {
     @Insert
@@ -16,4 +15,9 @@ public interface SetUpTableDao {
     //名前が一致しているかの確認
     @Query("SELECT * FROM SetUpTable WHERE teacherName = :name LIMIT 1")
     SetUpTable findByName(String name);
+    //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();
 }