Zxingライブラリ導入

.idea/gradle.xml

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="jbr-17" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -1,6 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -33,9 +33,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-
-
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
 }

app/src/main/AndroidManifest.xml

@@ -2,8 +2,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
-    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
-    <uses-permission android:name="android.permission.VIBRATE" />
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

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

@@ -1,19 +1,12 @@
 package com.example.childguard;
 
-import android.content.SharedPreferences;
-import android.graphics.Color;
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 
-import androidx.core.content.res.ResourcesCompat;
 import androidx.fragment.app.Fragment;
 
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.FrameLayout;
-import android.widget.TextView;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -68,26 +61,4 @@ public class HomeFragment extends Fragment {
         // Inflate the layout for this fragment
         return inflater.inflate(R.layout.fragment_home, container, false);
     }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        Log.d("HomeFragment", "onResume: called");
-        TextView situationTextView = getView().findViewById(R.id.situation);
-        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);
-
-        Log.d("HomeFragment", "updateInCarStatus: " + sharedPreferences.getBoolean("inCar", false));
-        if (sharedPreferences.getBoolean("inCar", false)) {
-            situationTextView.setText("\n降車状態");
-            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
-        } else {
-            situationTextView.setText("\n乗車状態");
-            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
-        }
-    }
 }

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

@@ -1,16 +1,8 @@
 package com.example.childguard;
 
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
 
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.content.Context;
-import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.os.Vibrator;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 
@@ -20,16 +12,6 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        //通知のやつ↓
-        int importance = NotificationManager.IMPORTANCE_DEFAULT;
-
-        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "サンプルアプリ", importance);
-        channel.setDescription("説明・説明　ここに通知の説明を書くことができる");
-
-        NotificationManager notificationManager = getSystemService(NotificationManager.class);
-        notificationManager.createNotificationChannel(channel);
-        //通知のやつ↑
-
 
         BottomNavigationView bottomNavigationView = findViewById(R.id.nav_view);
 
@@ -52,29 +34,4 @@ public class MainActivity extends AppCompatActivity {
 
         });
     }
-
-    //↓通知のやつ
-    public void notifyTest() {
-        ((Vibrator)getSystemService(Context.VIBRATOR_SERVICE)).vibrate(1000);
-        NotificationCompat.Builder builder = new NotificationCompat
-                .Builder(this, "CHANNEL_ID")
-                .setSmallIcon(android.R.drawable.ic_menu_info_details)
-                .setContentTitle("タイトル")
-                .setContentText("メッセージ・メッセージ")
-                .setPriority(NotificationCompat.PRIORITY_DEFAULT);
-
-        NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
-
-        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
-            // TODO: Consider calling
-            //    ActivityCompat#requestPermissions
-            // here to request the missing permissions, and then overriding
-            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
-            //                                          int[] grantResults)
-            // to handle the case where the user grants the permission. See the documentation
-            // for ActivityCompat#requestPermissions for more details.
-            return;
-        }
-        notificationManager.notify(R.string.app_name, builder.build());
-    }
 }

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

@@ -1,33 +0,0 @@
-package com.example.childguard;
-
-import android.graphics.Color;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.widget.TextView;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class QR extends AppCompatActivity {
-    String get_on="乗車状態";
-    String get_off ="降車状態";
-    TextView tv=findViewById(R.id.situation);
-    @Override
-    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"));
-                    }
-                }
-        );
-    }
-
-}

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

@@ -1,6 +1,6 @@
 package com.example.childguard;
 
-import android.content.SharedPreferences;
+import android.content.Intent;
 import android.os.Bundle;
 
 import androidx.fragment.app.Fragment;
@@ -9,7 +9,9 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Button;
+
+import com.google.zxing.integration.android.IntentIntegrator;
+import com.google.zxing.integration.android.IntentResult;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -52,37 +54,18 @@ public class QRFragment extends Fragment {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
+        new IntentIntegrator(getActivity()).initiateScan();//QRカメラ起動
         }
 
 
-    }
+        //QRカメラから受け取った引数の処理
+
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        View view = inflater.inflate(R.layout.fragment_qr, container, false);
-
-        Button cameraButton = view.findViewById(R.id.camera);
-
-        // Init shared preferences
-        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);
-        SharedPreferences.Editor editor = sharedPreferences.edit();
-
-        cameraButton.setOnClickListener(v -> {
-            Log.d("QRFragment", "onClick: called");
-            if (!sharedPreferences.getBoolean("inCar", false)) {
-                editor.putBoolean("inCar", true);
-            } else {
-                editor.putBoolean("inCar", false);
-            }
-            editor.apply();
-        });
-
-        return view;
+        return inflater.inflate(R.layout.fragment_qr, container, false);
     }
 
 }

app/src/main/res/drawable/frame_style_orange.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#ffa500"/>
-    <corners android:radius="25dp"/>
-
-</shape>

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

@@ -7,8 +7,8 @@
     android:layout_height="match_parent"
     android:orientation="vertical"
     tools:context=".HomeFragment">
+
     <FrameLayout
-        android:id="@+id/situation_bg"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@drawable/frame_style"
@@ -26,7 +26,6 @@
             android:textColor="@color/black"
             android:textAlignment="center"/>
         <TextView
-            android:id="@+id/situation"
             android:layout_width="match_parent"
             android:layout_height="200dp"
             android:layout_marginTop="10dp"
@@ -49,9 +48,9 @@
         <TextView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="5dp"
+            android:layout_marginTop="20dp"
             android:text="切断中"
-            android:textSize="30dp"
+            android:textSize="25dp"
             android:textColor="@color/black"
             android:textAlignment="center"/>
         <ImageView
@@ -73,21 +72,21 @@
 
     <FrameLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="wrap_content"
         android:layout_marginLeft="20dp"
         android:layout_marginRight="20dp"
         android:background="@drawable/frame_style_button">
 
         <Button
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
+            android:layout_height="match_parent"
             android:layout_marginLeft="20dp"
+            android:layout_marginTop="75dp"
             android:layout_marginRight="20dp"
-            android:backgroundTint="#778899"
             android:text="QRコード印刷"
             android:textColor="@color/white"
-            android:textSize="40dp" />
+            android:textSize="40dp"
+            android:backgroundTint="#778899"/>
         <!--<ImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

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

@@ -6,11 +6,9 @@
     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"
-        />
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/hello_blank_fragment" />
 
 </FrameLayout>

app/src/main/res/values/colors.xml

@@ -2,5 +2,4 @@
 <resources>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
-    <color name="orange">#FF4500</color>
 </resources>