cloudFireStore追加

.idea/misc.xml

@@ -1,6 +1,6 @@
 <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" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'com.android.application'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -33,6 +34,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.google.firebase:firebase-firestore:24.4.1'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

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

@@ -1,14 +1,127 @@
 package com.example.oplogy;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+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.DocumentSnapshot;
+import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.firestore.QueryDocumentSnapshot;
+
+import java.util.HashMap;
+import java.util.Map;
 
 public class MainActivity extends AppCompatActivity {
+    private TextView textView;
+    private Button btnShow;
+    private Button btnAdd;
+    private EditText number;
+    private EditText address;
+    private EditText date;
+    private EditText time;
+    private FirebaseFirestore db = FirebaseFirestore.getInstance();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+         textView=findViewById(R.id.showText);
+         btnShow=findViewById(R.id.btnShow);
+         btnAdd=findViewById(R.id.btnAdd);
+
+         number=findViewById(R.id.editNumber);
+         address=findViewById(R.id.editAddress);
+         date=findViewById(R.id.editDate);
+         time=findViewById(R.id.editTime);
+
+
+         //データの追加(適当なデータを追加しています。実際にはデータベースに保存したいデータを追加してください。)
+
+        findViewById(R.id.btnAdd).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                User user = new User(number.getText().toString(), address.getText().toString(),date.getText().toString(),time.getText().toString());
+
+
+                db.collection("users")
+                        .add(user)
+                        .addOnSuccessListener(documentReference -> Log.d("@FB1", "DocumentSnapshot added with ID: " + documentReference.getId()))
+                        .addOnFailureListener(e -> Log.w("@FB1", "Error adding document", e));
+            }
+        });
+
+
+        btnShow.setOnClickListener(v -> {
+            // 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("users").get().addOnCompleteListener(task -> {
+                String data = "";
+                if (task.isSuccessful()) {
+                    for (QueryDocumentSnapshot document : task.getResult()) {
+                        Log.d("@FB1", document.getId() + "=>" + document.getData());
+                        User user = document.toObject(User.class);
+                        data += user + "\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
+            });
+
+
+        });
     }
 }
+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

@@ -1,22 +1,50 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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"
-    tools:context=".MainActivity">
+    tools:context=".MainActivity"
+    android:orientation="vertical">
+
+    <EditText
+        android:id="@+id/editNumber"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="番号" />
+    <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" />
+
 
     <TextView
-        android:layout_width="wrap_content"
+        android:id="@+id/showText"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:text="" />
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+
+
+</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