クラスIDを基にデータの受信を行う

ログに出力してます

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

@@ -0,0 +1,66 @@
+package com.example.oplogy;
+
+import android.util.Log;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.Timestamp;
+import com.google.firebase.firestore.CollectionReference;
+import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.firestore.QueryDocumentSnapshot;
+import com.google.firebase.firestore.QuerySnapshot;
+
+import java.util.List;
+import java.util.Map;
+
+public class FirestoreReception {
+
+    private FirebaseFirestore db;
+
+    public FirestoreReception() {
+        db = FirebaseFirestore.getInstance();
+    }
+
+    //ClassIdを引数にデータの作成を行う
+    public void getDocumentsByClassId(int classId) {
+        CollectionReference collectionRef = db.collection("questionnaireForms");
+
+        // classIdが引数のものを取得する
+        collectionRef.whereEqualTo("classId", classId).get()
+                .addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
+                    @Override
+                    public void onComplete(Task<QuerySnapshot> task) {
+                        if (task.isSuccessful()) {
+                            // データの取得に成功した場合
+                            for (QueryDocumentSnapshot document : task.getResult()) {
+                                Map<String, Object> data = document.getData();
+
+                                // デバッグ用のログ出力
+                                Log.d("FirestoreReception", "Document ID: " + document.getId());
+                                Log.d("FirestoreReception", "Data: " + data);
+
+                                // ここでデータを取得し、必要に応じて処理を行います
+                                String parentName = (String) data.get("patronName");
+                                String childName = (String) data.get("childName");
+                                String studentId = (String) data.get("studentNumber");
+                                Timestamp address = (Timestamp) data.get("adress");
+                                List<Timestamp> firstDay = (List<Timestamp>) data.get("firstDay");
+                                List<Timestamp> secondDay = (List<Timestamp>) data.get("secondDay");
+                                List<Timestamp> thirdDay = (List<Timestamp>) data.get("thirdDay");
+
+                                // 取得したデータを使って必要な処理を行う
+                                Log.d("FirestoreReception", "ParentName: " + parentName);
+                                Log.d("FirestoreReception", "ChildName: " + childName);
+                                Log.d("FirestoreReception", "StudentNumber: " + studentId);
+                                Log.d("FirestoreReception", "Address: " + address.toDate());
+                                Log.d("FirestoreReception", "First Day: " + firstDay);
+                                Log.d("FirestoreReception", "Second Day: " + secondDay);
+                                Log.d("FirestoreReception", "Third Day: " + thirdDay);
+                            }
+                        } else {
+                            Log.w("FirestoreReception", "Error getting documents.", task.getException());
+                        }
+                    }
+                });
+    }
+}

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

@@ -1,8 +1,6 @@
 package com.example.oplogy;
 
-import android.annotation.SuppressLint;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
@@ -11,118 +9,37 @@ import android.widget.TextView;
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.firebase.firestore.FirebaseFirestore;
-import com.google.firebase.firestore.QueryDocumentSnapshot;
-
 
 
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
-    private TextView textView;
+    private TextView showText;
-    private Button btnShow;
+    private EditText selectText;
-    private Button btnAdd;
-    private EditText number;
-    private EditText address;
-    private EditText date;
-    private EditText time;
-    private FirebaseFirestore db = FirebaseFirestore.getInstance();
 
+    private Button btnshow;
+
+    private FirebaseFirestore db;
+    private FirestoreReception firestoreReception;
 
-    Button button;
-//    TextView textView;
-    EditText editText;
-    @SuppressLint("MissingInflatedId")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
 
-         textView=findViewById(R.id.showText);
+        db = FirebaseFirestore.getInstance();
-         btnShow=findViewById(R.id.btnShow);
+        firestoreReception = new FirestoreReception();
-         btnAdd=findViewById(R.id.btnAdd);
+        showText = findViewById(R.id.showText);
+        btnshow = findViewById(R.id.btnShow);
+        selectText = findViewById(R.id.selectEdit);
 
-         number=findViewById(R.id.editNumber);
+        btnshow.setOnClickListener(v -> {
-         address=findViewById(R.id.editAddress);
+            String classId = selectText.getText().toString();
-         date=findViewById(R.id.editDate);
+            firestoreReception.getDocumentsByClassId(Integer.parseInt(classId));
-         time=findViewById(R.id.editTime);
-
-
-        // ⑤Read Data
-        // Firestoreのコレクション「users」のドキュメント一覧を取得する
-        // 非同期で取得処理が動作する。結果を受け取るために処理完了時のリスナーをセットする
-        db.collection("questionnaireForms").get().addOnCompleteListener(task -> {
-            String data = "";
-            if (task.isSuccessful()) {
-                for (QueryDocumentSnapshot document : task.getResult()) {
-                    Log.d("@FB1", document.getId() + "=>" + document.getData());
-                    data += document.getId() + "=>" + document.getData() + "\n";
-                }
-            } else {
-                data = "Error getting documents." + task.getException().getMessage();
-            }
-            textView.setText(data);//編集したデータを画面下部に表示
         });
-
-
-
-        btnShow.setOnClickListener(v -> {
-
-        });
-
-
-
-        findViewById(R.id.mapmapcreate).setOnClickListener(
-                view->{
-
-
-                }
-        );
     }
 
     @Override
-    public void onClick(View v) {
+    public void onClick(View view) {
-
 
     }
-}
-class User {
-    private String number;
-    private String address;
-    private String date;
-    private String time;
-
-    public User() {
-    }
-
-    public User(String number, String address, String data, String time) {
-        this.number = number;
-        this.address = address;
-        this.date = data;
-        this.time = time;
-    }
-    //getterとsetter
-    public String getNumber() {
-        return number;
-    }
-    public String getAddress() {
-        return address;
-    }
-    public String getDate() {
-        return date;
-    }
-    public String getTime() {
-        return time;
-    }
-    public void setNumber(String number) {
-        this.number = number;
-    }
-    public void setAddress(String address) {
-        this.address = address;
-    }
-    public void setDate(String date) {
-        this.date = date;
-    }
-    public void setTime(String time) {
-        this.time = time;
-    }
-
 }

app/src/main/res/layout/activity_main.xml

@@ -8,46 +8,21 @@
     android:orientation="vertical">
 
 
+    <TextView
+        android:id="@+id/showText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
     <EditText
-        android:id="@+id/editNumber"
+        android:id="@+id/selectEdit"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:hint="番号" />
+        android:hint="出したい情報を入力しやがれ"/>
-    <EditText
-        android:id="@+id/editAddress"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="住所" />
-    <EditText
-        android:id="@+id/editDate"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="日付" />
-    <EditText
-        android:id="@+id/editTime"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="時間" />
-    <Button
-        android:id="@+id/btnAdd"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="追加"/>
     <Button
         android:id="@+id/btnShow"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="表示" />
+        android:hint="追加"/>
-
-
-    <TextView
-        android:id="@+id/showText"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="" />
-
-
-=======
     <Button
         android:id="@+id/mapmapcreate"
         android:text="マップ生成"