\ubcf4\uc548 \uaddc\uce59\uc744 \uc124\uc815\ud558\uace0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubaa8\ub4dc\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n3.2. Android Studio\uc5d0\uc11c Firestore \ucd94\uac00\ud558\uae30<\/h3>\n
Firebase \ud504\ub85c\uc81d\ud2b8\ub97c \uc124\uc815\ud55c \ud6c4, Android Studio\uc5d0 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. Gradle\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud544\uc694\ud55c Firebase \uc885\uc18d\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n
\n implementation \"com.google.firebase:firebase-firestore-ktx:24.0.0\"
\n <\/code><\/p>\n\uc774\uc81c Firebase\ub97c \ucd08\uae30\ud654\ud558\uc5ec Firestore \uc778\uc2a4\ud134\uc2a4\ub97c \uc0ac\uc6a9\ud560 \uc900\ube44\uac00 \uc644\ub8cc\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n
\ucd94\uac00\uc801\uc73c\ub85c, Firebase\uc5d0 \ub300\ud55c \ucd08\uae30\ud654\ub97c \uc704\ud574 google-services.json<\/code> \ud30c\uc77c\uc744 \ud504\ub85c\uc81d\ud2b8\uc758 app<\/code> \ud3f4\ub354\uc5d0 \ucd94\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ud30c\uc77c\uc740 Firebase \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131 \uc2dc \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ub2e4\uc74c \ucf54\ub4dc \uc2a4\ub2c8\ud3ab\uc744 \ud1b5\ud574 Firestore\ub97c \ucd08\uae30\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\n FirebaseOptions options = new FirebaseOptions.Builder()
\n .setApplicationId(\"YOUR_APP_ID\") \/\/ Required
\n .setApiKey(\"YOUR_API_KEY\") \/\/ Required
\n .setDatabaseUrl(\"YOUR_DATABASE_URL\") \/\/ Required
\n .setProjectId(\"YOUR_PROJECT_ID\") \/\/ Required
\n .build();
\n FirebaseApp.initializeApp(context, options);
\n <\/code><\/p>\nFirestore \uc778\uc2a4\ud134\uc2a4\ub97c \uac00\uc838\uc624\ub824\uba74 \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n
\n FirebaseFirestore db = FirebaseFirestore.getInstance();
\n <\/code><\/p>\n\n4. Firestore\uc758 \uae30\ubcf8 CRUD \uc791\uc5c5<\/h2>\n
FireStore\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \ucc98\ub9ac\ub294 Create, Read, Update, Delete(\uc774\ud558 CRUD)\uc758 \uacfc\uc815\uc744 \ud1b5\ud574 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n
4.1. \ub370\uc774\ud130 \ucd94\uac00 (Create)<\/h3>\n
\ub370\uc774\ud130\ub97c \ucd94\uac00\ud558\ub824\uba74 set<\/code>\ub098 add<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\nset<\/code> \uba54\uc11c\ub4dc\ub294 \ubb38\uc11c\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \ub9cc\ub4e4\uac70\ub098 \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc544\ub798 \uc608\uc2dc\ub294 \uc0ac\uc6a9\uc790\uc758 \uc815\ubcf4\ub97c Firestore\uc5d0 \ucd94\uac00\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4:<\/p>\n
\n Map user = new HashMap<>();
\n user.put(\"first\", \"John\");
\n user.put(\"last\", \"Doe\");
\n user.put(\"age\", 30);<\/p>\n db.collection(\"users\").document(\"userID123\")
\n .set(user)
\n .addOnSuccessListener(new OnSuccessListener() {
\n @Override
\n public void onSuccess(Void aVoid) {
\n Log.d(TAG, \"DocumentSnapshot added with ID: \" + \"userID123\");
\n }
\n })
\n .addOnFailureListener(new OnFailureListener() {
\n @Override
\n public void onFailure(@NonNull Exception e) {
\n Log.w(TAG, \"Error adding document\", e);
\n }
\n });
\n <\/void><\/string,><\/code><\/p>\n4.2. \ub370\uc774\ud130 \uc77d\uae30 (Read)<\/h3>\n
\ubb38\uc11c\uc758 \ub370\uc774\ud130\ub97c \uc77d\uc73c\ub824\uba74 get<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \ud2b9\uc815 \ubb38\uc11c\uc758 \ub370\uc774\ud130\ub97c \uc77d\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4:<\/p>\n
\n DocumentReference docRef = db.collection(\"users\").document(\"userID123\");
\n docRef.get().addOnCompleteListener(new OnCompleteListener() {
\n @Override
\n public void onComplete(@NonNull Task task) {
\n if (task.isSuccessful()) {
\n DocumentSnapshot document = task.getResult();
\n if (document.exists()) {
\n Log.d(TAG, \"Document data: \" + document.getData());
\n } else {
\n Log.d(TAG, \"No such document\");
\n }
\n } else {
\n Log.d(TAG, \"get failed with \", task.getException());
\n }
\n }
\n });
\n <\/documentsnapshot><\/documentsnapshot><\/code><\/p>\n4.3. \ub370\uc774\ud130 \uc5c5\ub370\uc774\ud2b8 (Update)<\/h3>\n
\uae30\uc874 \ubb38\uc11c\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\ub824\uba74 update<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n
\n DocumentReference docRef = db.collection(\"users\").document(\"userID123\");
\n docRef.update(\"age\", 31)
\n .addOnSuccessListener(new OnSuccessListener() {
\n @Override
\n public void onSuccess(Void aVoid) {
\n Log.d(TAG, \"DocumentSnapshot successfully updated!\");
\n }
\n })
\n .addOnFailureListener(new OnFailureListener() {
\n @Override
\n public void onFailure(@NonNull Exception e) {
\n Log.w(TAG, \"Error updating document\", e);
\n }
\n });
\n <\/void><\/code><\/p>\n4.4. \ub370\uc774\ud130 \uc0ad\uc81c (Delete)<\/h3>\n
\ubb38\uc11c\ub97c \uc0ad\uc81c\ud560 \ub54c\ub294 delete<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n
\n db.collection(\"users\").document(\"userID123\")
\n .delete()
\n .addOnSuccessListener(new OnSuccessListener() {
\n @Override
\n public void onSuccess(Void aVoid) {
\n Log.d(TAG, \"DocumentSnapshot successfully deleted!\");
\n }
\n })
\n .addOnFailureListener(new OnFailureListener() {
\n @Override
\n public void onFailure(@NonNull Exception e) {
\n Log.w(TAG, \"Error deleting document\", e);
\n }
\n });
\n <\/void><\/code>
\n<\/section>\n\n5. Firestore \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uae30\ub2a5<\/h2>\n
Firestore\uc758 \uac15\ub825\ud55c \uae30\ub2a5 \uc911 \ud558\ub098\ub294 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ub3d9\uae30\ud654 \uae30\ub2a5\uc785\ub2c8\ub2e4. \uc544\ub798\ub294 Firestore\uc758 \ub9ac\uc2a4\ub108\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \uc218\uc2e0\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4:<\/p>\n
\n db.collection(\"users\")
\n .document(\"userID123\")
\n .addSnapshotListener(new EventListener() {
\n @Override
\n public void onEvent(@Nullable DocumentSnapshot documentSnapshot,
\n @Nullable FirebaseFirestoreException e) {
\n if (e != null) {
\n Log.w(TAG, \"Listen failed.\", e);
\n return;
\n }<\/p>\n if (documentSnapshot != null && documentSnapshot.exists()) {
\n Log.d(TAG, \"Current data: \" + documentSnapshot.getData());
\n } else {
\n Log.d(TAG, \"Current data: null\");
\n }
\n }
\n });
\n <\/documentsnapshot><\/code>
\n<\/section>\n\n6. \ubcf4\uc548 \uaddc\uce59 \uc124\uc815<\/h2>\n
Firestore\uc758 \ubcf4\uc548 \uaddc\uce59\uc744 \uc124\uc815\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubcf4\uc548\uc744 \uac15\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c \ubaa8\ub4e0 \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc77d\uae30 \ubc0f \uc4f0\uae30 \uad8c\ud55c\uc774 \ubd80\uc5ec\ub429\ub2c8\ub2e4. \ubcf4\uc548 \uaddc\uce59\uc744 \uc124\uc815\ud558\uc5ec \uc0ac\uc6a9\uc790\uc758 \uc778\uc99d\uacfc \uad8c\ud55c\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790 \uc778\uc99d\uc744 \uc694\uad6c\ud558\uace0, \uc0ac\uc6a9\uc790 \uc790\uc2e0\uc758 \ub370\uc774\ud130\ub9cc \uc77d\uac70\ub098 \uc4f8 \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n
\n rules_version = '2';
\n service cloud.firestore {
\n match \/databases\/{database}\/documents {
\n match \/users\/{userId} {
\n allow read, write: if request.auth != null && request.auth.uid == userId;
\n }
\n }
\n }
\n <\/code>
\n<\/section>\n\n7. \uacb0\ub860<\/h2>\n
\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uacfc \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4\ub97c \ud1b5\ud569\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. Firestore\ub294 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uba70, \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \ub370\uc774\ud130 \uc800\uc7a5\uc18c\ub85c \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \ud65c\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Firestore\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ub3d9\uae30\ud654 \uae30\ub2a5\uacfc \uc624\ud504\ub77c\uc778 \uc9c0\uc6d0 \ub4f1\uc740 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. Firebase\uc758 \ubcf4\uc548 \uaddc\uce59\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc758 \uc548\uc815\uc131 \ub610\ud55c \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774 \ud3ec\uc2a4\ud2b8\uac00 \uc5ec\ub7ec\ubd84\uc758 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc5d0 \ub3c4\uc6c0\uc774 \ub418\uae38 \ubc14\ub78d\ub2c8\ub2e4. \ucd94\uac00\uc801\uc73c\ub85c \uad81\uae08\ud55c \uc810\uc774 \uc788\ub2e4\uba74 \ub313\uae00\ub85c \ub0a8\uaca8\uc8fc\uc138\uc694!<\/p>\n<\/section>\n<\/section>\n<\/article>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\uc774 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uc744 \uac1c\ubc1c\ud558\ub294 \ubc29\ubc95\uacfc \uad6c\uae00\uc758 \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4\ub97c \ud65c\uc6a9\ud55c \ub370\uc774\ud130 \uc800\uc7a5 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4\ub780? \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4(Cloud Firestore)\ub294 \uad6c\uae00\uc758 NoSQL \ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c, \uc989\uac01\uc801\uc778 \ub370\uc774\ud130 \ub3d9\uae30\ud654\uc640 \uc624\ud504\ub77c\uc778 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. Firestore\ub294 \uc218\ud3c9\uc73c\ub85c \ud655\uc7a5\ud560 \uc218 \uc788\uc73c\uba70, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub77c\uace0\ub3c4 \ubd88\ub9bd\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc27d\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \ud2b9\ud788 \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc\uc758 \ud1b5\ud569\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4. Firestore\ub294 \ub370\uc774\ud130 … \ub354 \ubcf4\uae30 “\uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-30717","post","type-post","status-publish","format-standard","hentry","category-36"],"yoast_head":"\n\uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/30717\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uc744 \uac1c\ubc1c\ud558\ub294 \ubc29\ubc95\uacfc \uad6c\uae00\uc758 \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4\ub97c \ud65c\uc6a9\ud55c \ub370\uc774\ud130 \uc800\uc7a5 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4\ub780? \ud074\ub77c\uc6b0\ub4dc \ud30c\uc774\uc5b4\uc2a4\ud1a0\uc5b4(Cloud Firestore)\ub294 \uad6c\uae00\uc758 NoSQL \ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c, \uc989\uac01\uc801\uc778 \ub370\uc774\ud130 \ub3d9\uae30\ud654\uc640 \uc624\ud504\ub77c\uc778 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. 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