なんか消えてたから戻しました

This commit is contained in:
nemukemo 2024-07-03 15:07:31 +09:00
parent 09d0c2d259
commit e066eb057f
4 changed files with 33 additions and 12 deletions

View File

@ -5,12 +5,12 @@ import java.util.List;
public class CreateUUID {
public static int generateUUID(List<String> classIdList ){
public static int generateUUID(List<Integer> classIdList ){
while (true){
String uuid = String.valueOf((int)(Math.random() * 1000000));
int uuid = (int) (Math.random() * 100000);
boolean isDuplicate = false;
for(String classId : classIdList){
if(classId.equals(uuid)){
for(int classId : classIdList){
if(classId==uuid){
//重複があればフラグを立てループを抜ける
isDuplicate = true;
break;
@ -19,9 +19,11 @@ public class CreateUUID {
//重複がなければ生成したUUIDを返す
if (!isDuplicate) {
//firestoreに挿入処理
InsertClassIdforFirebase insertClassIdforFirebase = new InsertClassIdforFirebase();
insertClassIdforFirebase.insertClassId(uuid);
//テスト用
uuid="100";
return Integer.parseInt(uuid);
uuid=100;
return uuid;
}
}
}

View File

@ -17,14 +17,14 @@ import java.util.List;
import java.util.Map;
public class FirestoreReception_classIdDatabase {
private FirebaseFirestore db;
private List<String> classIdList= new ArrayList<>();
private List<Integer> classIdList= new ArrayList<>();
public FirestoreReception_classIdDatabase() {
db = FirebaseFirestore.getInstance();
}
public List<String> getAllDocumentsFromClassIdDatabase() {
public List<Integer> getAllDocumentsFromClassIdDatabase() {
db.collection("classId_Database")
.get()
.addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
@ -34,7 +34,7 @@ public class FirestoreReception_classIdDatabase {
for (QueryDocumentSnapshot document : task.getResult()) {
Log.d("結果", document.getId() + " => " + document.getData());
//データをListに追加
classIdList.add((String) document.get("classId"));
classIdList.add(((Long) document.get("classId")).intValue());
}
} else {
Log.d("結果", "Error getting documents: ", task.getException());
@ -45,7 +45,7 @@ public class FirestoreReception_classIdDatabase {
return classIdList;
}
public List<String> getClassIdList() {
public List<Integer> getClassIdList() {
return classIdList;
}
}

View File

@ -0,0 +1,19 @@
package com.example.oplogy;
import com.google.firebase.firestore.FirebaseFirestore;
import java.util.HashMap;
import java.util.Map;
public class InsertClassIdforFirebase {
public void insertClassId(int classId) {
FirebaseFirestore db = FirebaseFirestore.getInstance();
Map<String, Object> data = new HashMap<>();
data.put("classId", classId); // classId is inserted as a number
db.collection("classId_Database").add(data)
.addOnSuccessListener(documentReference -> System.out.println("DocumentSnapshot added with ID: " + documentReference.getId()))
.addOnFailureListener(e -> System.err.println("Error adding document: " + e));
}
}

View File

@ -162,7 +162,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
//UUIDを表示するかのダイアログ
private void showUUIDYesNoDialog() {
firestoreReception_classIdDatabase = new FirestoreReception_classIdDatabase();
List<String> classIdList = firestoreReception_classIdDatabase.getAllDocumentsFromClassIdDatabase();
List<Integer> classIdList = firestoreReception_classIdDatabase.getAllDocumentsFromClassIdDatabase();
AlertDialog.Builder builder = new AlertDialog.Builder(this);