app/src/main/java/com/example/childguard/HomeFragment.java

@@ -39,7 +39,6 @@ import java.util.Objects;
  * create an instance of this fragment.
  */
 public class HomeFragment extends Fragment implements OnEventListener{
-    FirebaseFirestore db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
@@ -95,71 +94,7 @@ public class HomeFragment extends Fragment implements OnEventListener{
         Button bt1 = view.findViewById(R.id.QRprinting);
         bt1.setOnClickListener(v -> {
             //初回起動かを保存する変数
-            boolean alreadySaved = sharedPreferences.getBoolean("alreadySaved", false);
-            //ボタン変数の宣言
-            Button parent = view.findViewById(R.id.QRprinting);
-            Button born = view.findViewById(R.id.QRprinting);
-            //falseのときにFirebaseへの登録
-            if (alreadySaved) {
-                Log.d("HomeFragment", "already printed");
-                //画面遷移＆ID受け渡し
-                Toast.makeText(getActivity(), "再印刷", Toast.LENGTH_SHORT).show();
-                QrUtils qrUtils = new QrUtils();
-                PrintHelper printHelper = new PrintHelper(requireContext());
-                printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
-                printHelper.printBitmap("QRコード", qrUtils.setContext(getContext()).getBitmap(sharedPreferences.getString("ID", "placeholder")), new PrintHelper.OnPrintFinishCallback() {
-                    @Override
-                    public void onFinish() {
-                        Toast.makeText(getContext(), "印刷完了", Toast.LENGTH_SHORT).show();
-                    }
-                });
-                return;
-            } else {
-                String valueParent = parent.getText().toString();//変数に文字列を代入
-                String valueBorn = born.getText().toString();//変数に文字列を代入
-                Map<String, String> user = new HashMap<>();//mapの宣言
 
-                Log.d("HomeFragment", "onClick is called");
-
-                //mapに入れる
-                user.put("parent", valueParent);
-                user.put("born", valueBorn);
-                //新しいドキュメントにIDを作って追加
-                db.collection("users")
-                        .add(user)
-                        .addOnSuccessListener(new OnSuccessListener<DocumentReference>() {
-                            @Override
-                            public void onSuccess(DocumentReference documentReference) {
-                                //成功したら
-                                //documentReference.getId()でID取得
-                                Log.d(TAG, "DocumentSnapshot added with ID: " + documentReference.getId());
-                                SharedPreferences.Editor e = sharedPreferences.edit();
-                                // キー"alreadySaved"の値をtrueにする
-                                e.putBoolean("alreadySaved", true);
-                                //確定処理
-                                e.apply();
-                                //画面遷移＆ID受け渡し
-                                str_key = "" + documentReference.getId();
-                                Toast.makeText(getActivity(), "初回登録", Toast.LENGTH_SHORT).show();
-                                QrUtils qrUtils = new QrUtils();
-                                PrintHelper printHelper = new PrintHelper(requireContext());
-                                printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
-                                printHelper.printBitmap("QRコード", qrUtils.setContext(getContext()).getBitmap(documentReference.getId()), new PrintHelper.OnPrintFinishCallback() {
-                                    @Override
-                                    public void onFinish() {
-                                        Toast.makeText(getContext(), "印刷完了", Toast.LENGTH_SHORT).show();
-                                    }
-                                });
-                            }
-                        })
-                        .addOnFailureListener(new OnFailureListener() {
-                            @Override
-                            public void onFailure(@NonNull Exception e) {
-                                //失敗したら
-                                Log.w(TAG, "Error adding document", e);
-                            }
-                        });
-                }
         });
         //bluetooth設定ボタンの処理
         Button bt2 = view.findViewById(R.id.Bluetooth_setup);

app/src/main/java/com/example/childguard/SettingFragment.java

@@ -1,12 +1,29 @@
 package com.example.childguard;
 
+import static android.content.ContentValues.TAG;
+import static android.content.Context.MODE_PRIVATE;
+
+import android.content.SharedPreferences;
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
+import androidx.print.PrintHelper;
 
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.firebase.firestore.DocumentReference;
+import com.google.firebase.firestore.FirebaseFirestore;
+
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -14,6 +31,8 @@ import android.view.ViewGroup;
  * create an instance of this fragment.
  */
 public class SettingFragment extends Fragment {
+
+    FirebaseFirestore db;
     public SettingFragment() {
         // Required empty public constructor
     }
@@ -41,9 +60,68 @@ public class SettingFragment extends Fragment {
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
+        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+
         view.findViewById(R.id.button_bluetooth_setting).setOnClickListener( v -> {
-            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, bluetooth_setupFragment.newInstance("test", "test")).commit();
+            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, bluetooth_setupFragment.newInstance("test", "test")).addToBackStack(null).commit();
         });
 
+        view.findViewById(R.id.button_print_qr).setOnClickListener( v -> {
+            SharedPreferences sharedPreferences = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
+            boolean alreadySaved = sharedPreferences.getBoolean("alreadySaved", false);
+            //falseのときにFirebaseへの登録
+            if (alreadySaved) {
+                Log.d("HomeFragment", "already printed");
+                //画面遷移＆ID受け渡し
+                Toast.makeText(getActivity(), "再印刷", Toast.LENGTH_SHORT).show();
+                QrUtils qrUtils = new QrUtils();
+                PrintHelper printHelper = new PrintHelper(requireContext());
+                printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
+                printHelper.printBitmap("QRコード", qrUtils.setContext(getContext()).getBitmap(sharedPreferences.getString("ID", "placeholder")), () -> Toast.makeText(getContext(), "印刷完了", Toast.LENGTH_SHORT).show());
+            } else {
+                String valueParent = "placeholder";
+                String valueBorn = "placeholder";
+                Map<String, String> user = new HashMap<>();//mapの宣言
+
+                Log.d("HomeFragment", "onClick is called");
+
+                //mapに入れる
+                user.put("parent", valueParent);
+                user.put("born", valueBorn);
+                //新しいドキュメントにIDを作って追加
+                db.collection("users")
+                        .add(user)
+                        .addOnSuccessListener(documentReference -> {
+                            //成功したら
+                            //documentReference.getId()でID取得
+                            Log.d(TAG, "DocumentSnapshot added with ID: " + documentReference.getId());
+                            SharedPreferences.Editor e = sharedPreferences.edit();
+                            // キー"alreadySaved"の値をtrueにする
+                            e.putBoolean("alreadySaved", true);
+                            //確定処理
+                            e.apply();
+                            //画面遷移＆ID受け渡し
+                            SharedPreferences sharedPreferences1 = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
+                            SharedPreferences.Editor editor = sharedPreferences1.edit();
+                            editor.putString("ID", documentReference.getId());
+                            editor.apply();
+
+                            Toast.makeText(getActivity(), "初回登録", Toast.LENGTH_SHORT).show();
+                            QrUtils qrUtils = new QrUtils();
+                            PrintHelper printHelper = new PrintHelper(requireContext());
+                            printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
+                            printHelper.printBitmap("QRコード", qrUtils.setContext(getContext()).getBitmap(documentReference.getId()), new PrintHelper.OnPrintFinishCallback() {
+                                @Override
+                                public void onFinish() {
+                                    Toast.makeText(getContext(), "印刷完了", Toast.LENGTH_SHORT).show();
+                                }
+                            });
+                        })
+                        .addOnFailureListener(e -> {
+                            //失敗したら
+                            Log.w(TAG, "Error adding document", e);
+                        });
+            }
+        });
     }
 }