QRリーダから戻った時にクラッシュするバグを修正しました

Rca/add chrome custom tabs

app/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -59,6 +60,12 @@ dependencies {
     implementation 'androidx.compose.ui:ui-tooling-preview'
     implementation 'androidx.compose.material3:material3'
 
+    // Import the BoM for the Firebase platform
+    implementation(platform("com.google.firebase:firebase-bom:32.7.0"))
+
+    // Declare the dependency for the Cloud Firestore library
+    // When using the BoM, you don't specify versions in Firebase library dependencies
+    implementation("com.google.firebase:firebase-firestore")
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'

app/google-services.json

@@ -0,0 +1,67 @@
+{
+  "project_info": {
+    "project_number": "814788024795",
+    "project_id": "practicefirestore1-8808c",
+    "storage_bucket": "practicefirestore1-8808c.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:814788024795:android:79602ef613cc9860c76ffe",
+        "android_client_info": {
+          "package_name": "com.example.childguard"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:814788024795:android:7c572a838331bba1c76ffe",
+        "android_client_info": {
+          "package_name": "com.example.connecttointernet"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:814788024795:android:67c86939b6350f02c76ffe",
+        "android_client_info": {
+          "package_name": "com.example.practicefirestore1"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/main/AndroidManifest.xml

@@ -34,7 +34,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".UrlPageActivity" />
     </application>
 
 </manifest>

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

@@ -1,22 +1,34 @@
 package com.example.childguard;
 
+import static android.content.ContentValues.TAG;
+
 import android.content.SharedPreferences;
-import android.graphics.Color;
-import android.graphics.drawable.Drawable;
+import android.graphics.Bitmap;
 import android.os.Bundle;
-
-import androidx.core.content.res.ResourcesCompat;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentTransaction;
-
+import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.FrameLayout;
+import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+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.
@@ -24,6 +36,7 @@ import android.widget.TextView;
  * create an instance of this fragment.
  */
 public class HomeFragment extends Fragment {
+    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
@@ -31,7 +44,7 @@ public class HomeFragment extends Fragment {
     private static final String ARG_PARAM2 = "param2";
 
     // TODO: Rename and change types of parameters
-    private String mParam1;
+    private String str_key;
     private String mParam2;
 
     public HomeFragment() {
@@ -60,7 +73,7 @@ public class HomeFragment extends Fragment {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
+            // mParam1 = getArguments().getString(ARG_PARAM1);
             mParam2 = getArguments().getString(ARG_PARAM2);
         }
     }
@@ -68,13 +81,81 @@ public class HomeFragment extends Fragment {
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
+        //    Log.d("HomeFlagment_cnt", "aaaaa");
         // Inflate the layout for this fragment
-        //bluetooth設定ボタンの処理
         View view = inflater.inflate(R.layout.fragment_home, container, false);
         MainActivity activity = (MainActivity) getActivity();
-
-        Button bt1=view.findViewById(R.id.Bluetooth_setup);
+        //共有プリファレンス 全体の準備
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        //QRコード印刷の処理
+        Button bt1 = view.findViewById(R.id.QRprinting);
         bt1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //初回起動かを保存する変数
+                boolean alreadySaved = preferences.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();
+                    QrPrintFragment qrPrintFragment = new QrPrintFragment();
+                    replaceFragment(qrPrintFragment);
+                    return;
+                } else Log.d("HomeFragment", "not printed yet"); // debug
+
+                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 = preferences.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();
+                                QrPrintFragment qrPrintFragment = new QrPrintFragment();
+                                Bundle bundle = new Bundle();
+                                bundle.putString("STR_KEY",str_key);
+                                //値を書き込む
+                                qrPrintFragment.setArguments(bundle);
+                                replaceFragment(qrPrintFragment);
+
+                            }
+                        })
+                        .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);
+        bt2.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 replaceFragment(new bluetooth_setupFragment());
@@ -91,7 +172,6 @@ public class HomeFragment extends Fragment {
         FrameLayout situation_bg = getView().findViewById(R.id.situation_bg);
         updateInCarStatus(situationTextView, situation_bg);
     }
-
     public void updateInCarStatus(TextView situationTextView, FrameLayout situation_bg) {
         SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);
 
@@ -105,6 +185,7 @@ public class HomeFragment extends Fragment {
         }
 
     }
+
     //画面遷移メソッド
     private void replaceFragment(Fragment fragment) {
         // フラグメントマネージャーの取得

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

@@ -15,19 +15,19 @@ public class QR extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState){
         super.onCreate(savedInstanceState);
         setContentView(R.layout.fragment_qr);
-
-        findViewById(R.id.camera).setOnClickListener(
-                v -> {
-                    if(get_on.equals(tv.getText().toString())){
-                        tv.setText(get_off);
-                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#dcdcdc"));
-                    }
-                    else {
-                        tv.setText(get_on);
-                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#ff4500"));
-                    }
-                }
-        );
+        //多分いらないコード
+//        findViewById(R.id.camera).setOnClickListener(
+//                v -> {
+//                    if(get_on.equals(tv.getText().toString())){
+//                        tv.setText(get_off);
+//                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#dcdcdc"));
+//                    }
+//                    else {
+//                        tv.setText(get_on);
+//                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#ff4500"));
+//                    }
+//                }
+//        );
     }
 
 }

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

@@ -9,6 +9,8 @@ import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.browser.customtabs.CustomTabsIntent;
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -74,22 +76,16 @@ public class QRFragment extends Fragment {
 
     }
 
-    //FragmentからActivityへデータの受け渡しをするためのInterface
-//    public interface OnDataPass{
-//        void onDataPass(String urlPass);
-//    }
     private final ActivityResultLauncher<ScanOptions> fragmentLauncher = registerForActivityResult(new ScanContract(),
             result -> {
-                    //QRコードからデータを読み取れたかの確認
-                if(result.getContents() == null) {
-                    Toast.makeText(getContext(), "Cancelled from fragment", Toast.LENGTH_LONG).show();
+                    //result.getContents()でURLを入手
+                    //読み取ったQRコードがChiled Guard用サイトのドメインを含むかの判定
+                if(!((result.getContents()).contains("https://practicefirestore1-8808c.web.app/"))) {
+                    Toast.makeText(getContext(), "Chiled Guardに対応するQRコードではありません", Toast.LENGTH_LONG).show();
                 } else {
-//                    dataPass.onDataPass(result.getContents());
-                    //画面遷移
+                    //URLの表示
                     Toast.makeText(getContext(), result.getContents(), Toast.LENGTH_SHORT).show();
-//                    Intent intent=new Intent(getActivity(),UrlPageActivity.class);
-//                    startActivity(intent);
-
+                    //ブラウザを起動し、URL先のサイトを開く
                     CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
                     CustomTabsIntent customTabsIntent = builder.build();
                     customTabsIntent.launchUrl(requireContext(), Uri.parse(result.getContents()));
@@ -103,15 +99,26 @@ public class QRFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_qr, container, false);
 
-        Button cameraButton = view.findViewById(R.id.camera);
 
-        cameraButton.setOnClickListener(v -> {
             Log.d("QRFragment", "onClick: called");
             //QRリーダ起動
             fragmentLauncher.launch(new ScanOptions());
-        });
-
+            HomeFragment homeFragment=new HomeFragment();
+            replaceFragment(homeFragment);
         return view;
     }
+    //画面遷移メソッド
+    private void replaceFragment(Fragment fragment) {
+        // フラグメントマネージャーの取得
+        FragmentManager manager = getParentFragmentManager(); // アクティビティではgetSupportFragmentManager()?
+        // フラグメントトランザクションの開始
+        FragmentTransaction transaction = manager.beginTransaction();
+        // レイアウトをfragmentに置き換え（追加）
+        transaction.replace(R.id.fragmentContainerView, fragment);
+        // 置き換えのトランザクションをバックスタックに保存する
+        transaction.addToBackStack(null);
+        // フラグメントトランザクションをコミット
+        transaction.commit();
+    }
 }
 

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

@@ -0,0 +1,154 @@
+package com.example.childguard;
+
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.print.PrintHelper;
+
+import android.preference.PreferenceManager;
+import android.util.AndroidRuntimeException;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.WriterException;
+import com.journeyapps.barcodescanner.BarcodeEncoder;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link QrPrintFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class QrPrintFragment extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public QrPrintFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment QrPrintFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static QrPrintFragment newInstance(String param1, String param2) {
+        QrPrintFragment fragment = new QrPrintFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate (Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+
+        }
+    }
+
+   // @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        //共有プリファレンス 全体の準備
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        //User毎のドメインを保存する
+        String IdPref=preferences.getString("ID",null);
+        // Inflate the layout for this fragment
+        View view=inflater.inflate(R.layout.fragment_qr_print, container, false);;
+        //固定のドメイン
+        String KoteiURL = "https://practicefirestore1-8808c.web.app/?id=";
+        //すべてのドメイン
+        String AllURL;
+        //IdPrefにの値が初期値の場合
+        if(IdPref==null) {
+            //User毎のドメイン
+            String userURL = getArguments().getString("STR_KEY");
+            //キー"ID"の値をuserURLの値にする
+            SharedPreferences.Editor e = preferences.edit();
+            e.putString("ID", userURL);
+            //確定処理
+            e.apply();
+            //二つのドメインを合成する
+            AllURL=KoteiURL+userURL;
+        }else{
+            //二つのドメインを合成する
+            AllURL=KoteiURL+IdPref;
+        }
+
+        int size = 2500;
+        ImageView imageViewQrCode;
+        Bitmap QRGazou;
+        try {
+            //QRコード生成
+            BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
+            Bitmap bitmapqr = barcodeEncoder.encodeBitmap(AllURL, BarcodeFormat.QR_CODE, size, size);
+            imageViewQrCode = (ImageView) view.findViewById(R.id.qr_view);
+            imageViewQrCode.setTranslationX(1000);
+            imageViewQrCode.setTranslationY(1000);
+            imageViewQrCode.setImageBitmap(bitmapqr);
+        } catch (WriterException e) {
+            throw new AndroidRuntimeException("Barcode Error.", e);
+        }
+        //    画像合成の準備
+        //    ここのエラーは直すと何故か動かなくなる。このままで動くので放置
+        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.a_group_qr_sos);
+        Bitmap bitmap1 = ((BitmapDrawable) imageViewQrCode.getDrawable()).getBitmap();
+        int width = bitmap.getWidth(); // 元ファイルの幅取得
+        int height = bitmap.getHeight(); // 元ファイルの高さ取得
+        QRGazou = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+        //Canvasの準備
+        Canvas canvas = new Canvas(QRGazou);
+        //画像のサイズの調整
+        int disWidth = (width - bitmap1.getWidth()) / 2;
+        int disHeight = (int) ((height - bitmap1.getHeight()) / 1.3);
+        canvas.drawBitmap(bitmap, 0, 0, (Paint) null); // image, x座標, y座標, Paintインスタンス
+        canvas.drawBitmap(bitmap1, disWidth, disHeight, (Paint) null); // 画像合成
+        //Androidからプリンターへ印刷指示を出すサポートライブラリ
+        PrintHelper printHelper = new PrintHelper(getActivity());
+        printHelper.setColorMode(PrintHelper.COLOR_MODE_COLOR);
+        printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
+        printHelper.printBitmap("job_name", QRGazou);
+        HomeFragment homeFragment=new HomeFragment();
+        replaceFragment(homeFragment);
+        return view;
+    }
+      //画面遷移メソッド
+    private void replaceFragment(Fragment fragment) {
+        // フラグメントマネージャーの取得
+        FragmentManager manager = getParentFragmentManager(); // アクティビティではgetSupportFragmentManager()?
+        // フラグメントトランザクションの開始
+        FragmentTransaction transaction = manager.beginTransaction();
+        // レイアウトをfragmentに置き換え（追加）
+        transaction.replace(R.id.fragmentContainerView, fragment);
+        // 置き換えのトランザクションをバックスタックに保存する
+        transaction.addToBackStack(null);
+        // フラグメントトランザクションをコミット
+        transaction.commit();
+    }
+}

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

@@ -1,16 +0,0 @@
-package com.example.childguard;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.webkit.WebView;
-
-public class UrlPageActivity extends AppCompatActivity {
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_url_page);
-    }
-}

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

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".UrlPageActivity">
-    <WebView
-        android:id="@+id/url_page"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        />
-
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -5,13 +5,6 @@
     android:layout_height="match_parent"
     tools:context=".QRFragment">
 
-    <!-- TODO: Update blank fragment layout -->
-    <Button
-        android:id="@+id/camera"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        />
 
 
 </FrameLayout>

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

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".QrPrintFragment"
+    android:weightSum="1">
+
+
+    <!-- TODO: Update blank fragment layout -->
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="match_parent"
+        android:layout_height="581dp"
+        android:layout_weight="1"/>
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:srcCompat="@drawable/a_group_qr_sos"
+        android:layout_weight="0"/>
+
+    <ImageView
+        android:id="@+id/qr_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:srcCompat="@drawable/ic_launcher_foreground"
+        android:layout_weight="0"/>
+
+</LinearLayout>

build.gradle

@@ -1,4 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    dependencies {
+        classpath 'com.google.gms:google-services:4.3.14'
+    }
+}// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.application' version '8.0.2' apply false
     id 'com.android.library' version '8.0.2' apply false