.idea/gradle.xml

@@ -4,6 +4,7 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">

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

@@ -3,7 +3,7 @@ package com.example.oplogy;
 import androidx.room.Database;
 import androidx.room.RoomDatabase;
 
-@Database(entities = {SetUpTable.class}, version = 2)
+@Database(entities = {SetUpTable.class}, version = 2, exportSchema = false)
 public abstract class AppDatabase extends RoomDatabase {
     // 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
     public abstract SetUpTableDao setUpTableDao();

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

@@ -5,12 +5,12 @@ import java.util.List;
 
 public class CreateUUID {
 
-    public static String generateUUID(List<String> classIdList ){
+    public static int generateUUID(List<String> classIdList ){
         while (true){
-            String uuid = String.valueOf((int)(Math.random()*100000));
+            String uuid = String.valueOf((int)(Math.random() * 1000000));
             boolean isDuplicate = false;
             for(String classId : classIdList){
-                if(Integer.parseInt(classId) == Integer.parseInt(uuid)){
+                if(classId.equals(uuid)){
                     //重複があればフラグを立て、ループを抜ける
                     isDuplicate = true;
                     break;
@@ -19,7 +19,9 @@ public class CreateUUID {
             //重複がなければ生成したUUIDを返す
             if (!isDuplicate) {
                 //firestoreに挿入処理
-                return uuid;
+                //テスト用
+                uuid="100";
+                return Integer.parseInt(uuid);
             }
         }
     }

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

@@ -28,6 +28,7 @@ public class FirestoreReception {
 
     //ClassIdを引数にデータの作成を行う
     public void getDocumentsByClassId(int classId) {
+        myDataList.clear();
         CollectionReference collectionRef = db.collection("QuestionnaireForms");
 
         // classIdが引数のものを取得する

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

@@ -84,12 +84,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         db = FirebaseFirestore.getInstance();
         firestoreReception = new FirestoreReception();
 
-        //TODO:3.classIdをmainアクティビティで取得する手段を作る
-        //4.以上のことを実装するためにユーザーにid作成、setupをすることを促すような制限をかける
-        if(classId!=100000){
-            firestoreReception.getDocumentsByClassId(classId);
-        }
-
     }
 
 
@@ -109,6 +103,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         if(view == setUp){
             imageSetup.setImageResource(R.drawable.ischecked_uuid);
             Intent toSetup = new Intent(MainActivity.this,SetUpActivity.class);
+            toSetup.putExtra("classId", classId);
             startActivity(toSetup);
             finish();   // 画面遷移後元の状態に戻す
         }
@@ -156,7 +151,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int which) {
-                String classId = CreateUUID.generateUUID(classIdList);
+                classId = CreateUUID.generateUUID(classIdList);
                 Toast.makeText(MainActivity.this, "クラスID: " + classId, Toast.LENGTH_SHORT).show();
                 Log .d("classIdList", classIdList.toString());
 
@@ -292,4 +287,19 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         }
     }
 
+    @Override
+    protected void onResume(){
+        super.onResume();
+        //roomからclassIdを取得
+        ExecutorService executor = Executors.newSingleThreadExecutor();
+        executor.execute(() -> {
+            AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable").build();
+            SetUpTableDao setUpTableDao = db.setUpTableDao();
+            classId = setUpTableDao.getClassId();
+        });
+        if (classId != 100000 ) {
+            firestoreReception.getDocumentsByClassId(classId);
         }
+    }
+}
+

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

@@ -50,6 +50,8 @@ public class SetUpActivity extends FragmentActivity
 
 
 
+
+
     Button startTimeSetButton;
     Button endTimeSetButton;
 
@@ -61,6 +63,8 @@ public class SetUpActivity extends FragmentActivity
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_set_up);
 
+        int classId= getIntent().getIntExtra("classId", 100000);
+
         setTeacherName = findViewById(R.id.teacherName);                    //先生の名前
         setStartPoint = findViewById(R.id.startPoint);                      //開始地点
 
@@ -139,7 +143,8 @@ public class SetUpActivity extends FragmentActivity
                         intervalTime,
                         startBreakTime,
                         endBreakTime,
-                        totalStudent
+                        totalStudent,
+                        classId
                 );
 
                 // 同じ名前のエントリが存在するかどうかを確認

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

@@ -16,12 +16,13 @@ public class SetUpTable {
     public String endBreakTime;
     public int totalStudent;
 
-    //TODO: ここのコードをあとで実装する。roomにString classIdの作成
+    //TODO: ここのコードをあとで実装する。roomにint classIdの作成
+    int classId;
 
 
     //コンストラクタ
     public SetUpTable(String teacherName, String startPoint, String startTime, String endTime,
-                        String intervalTime, String startBreakTime, String endBreakTime, int totalStudent) {
+                        String intervalTime, String startBreakTime, String endBreakTime, int totalStudent,int classId) {
         this.teacherName = teacherName;
         this.startPoint = startPoint;
         this.startTime = startTime;
@@ -30,6 +31,7 @@ public class SetUpTable {
         this.startBreakTime = startBreakTime;
         this.endBreakTime = endBreakTime;
         this.totalStudent = totalStudent;
+        this.classId = classId;
     }
     //getter
     public int getId() {

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

@@ -39,4 +39,7 @@ public interface SetUpTableDao {
     String getStartBreakTime();
     @Query("SELECT EndBreakTime FROM SetUpTable")
     String getEndBreakTime();
+    //クラスIDの取得
+    @Query("SELECT classId FROM SetUpTable")
+    int getClassId();
 }