当前位置: 首页>>代码示例>>Java>>正文

Java DatabaseReference.getKey方法代码示例

本文整理汇总了Java中com.google.firebase.database.DatabaseReference.getKey方法的典型用法代码示例。如果您正苦于以下问题：Java DatabaseReference.getKey方法的具体用法？Java DatabaseReference.getKey怎么用？Java DatabaseReference.getKey使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.firebase.database.DatabaseReference的用法示例。


在下文中一共展示了DatabaseReference.getKey方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getFakeMembers

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public static ArrayList<Member> getFakeMembers(DatabaseReference databaseReference) {

        ArrayList<Member.Disponibility> disponibilities = new ArrayList<Member.Disponibility>();
        disponibilities.add(Member.Disponibility.FULL_TIME);
        disponibilities.add(Member.Disponibility.FREELANCER);

        ArrayList<String> programmingLangs = new ArrayList<>();
        programmingLangs.add("C#");
        programmingLangs.add("C++");
        programmingLangs.add("Java");

        ArrayList<String> technologies = new ArrayList<>();
        technologies.add("ASP.NET");
        technologies.add("WPF");

        String id = databaseReference.getKey();

        for (int i = 0; i < 50; i++) {
            Member member = new Member(id, "Henrick Kakutalua", BeltColor.WHITE, disponibilities,
                    12, programmingLangs, technologies, "");
            mMembers.add(member);
        }

        return mMembers;
    }
开发者ID:codingdojoangola，项目名称:cda-app，代码行数:26，代码来源:MembersFakeData.java

示例2: addMessage

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public static void addMessage(ChatMessage chatMessage) {
        DatabaseReference chatMsgRef = DatabaseRouter.getConversationRef(chatMessage.getConversationId()).child(DATA).push();
        chatMessage.id = chatMsgRef.getKey();
//        chatMsgRef.setValue(chatMessage);
//        ShoudBeDoneOnServer.updateChatMessageInInbox(chatMessage);

        HashMap<String, Object> childUpdates = new HashMap<>();
        String msgPath = Fire.db.getPathFromRef(chatMsgRef);
        childUpdates.put(msgPath, chatMessage);

        DatabaseReference inboxItemRef = DatabaseRouter.getInboxRef().child(DATA).child(chatMessage.getConversationId());
//        inboxItemRef.setValue(chatMessage);
        childUpdates.put(Fire.db.getPathFromRef(inboxItemRef.child("text")), chatMessage.getText());
        childUpdates.put(Fire.db.getPathFromRef(inboxItemRef.child("name")), chatMessage.getUserName());
        childUpdates.put(Fire.db.getPathFromRef(inboxItemRef.child("timestamp")), chatMessage.getTimestamp());

        Fire.db.getBaseRef().updateChildren(childUpdates);
    }
开发者ID:hbmartin，项目名称:firebase-chat-android-architecture-components，代码行数:19，代码来源:InboxRepository.java

示例3: getRandomNode

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public static List<DatabaseReference> getRandomNode(FirebaseApp app, int count) {
  FirebaseDatabase database = FirebaseDatabase.getInstance(app);
  ImmutableList.Builder<DatabaseReference> builder = ImmutableList.builder();
  String name = null;
  for (int i = 0; i < count; i++) {
    if (name == null) {
      DatabaseReference ref = database.getReference().push();
      builder.add(ref);
      name = ref.getKey();
    } else {
      builder.add(database.getReference().child(name));
    }
  }
  return builder.build();
}
开发者ID:firebase，项目名称:firebase-admin-java，代码行数:16，代码来源:IntegrationTestUtils.java

示例4: createItem

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public void createItem(String itemName, String itemDescription, int itemPrice, boolean itemUrgent) {
    ShoppingListItem listItem = new ShoppingListItem(name, itemName, itemDescription, itemPrice, itemUrgent);
    DatabaseReference ref = dbRef.child("items").push();
    ref.setValue(listItem);

    lastAddedOwnKey = ref.getKey();
    // sendItemNotification(listItem);
}
开发者ID:david-szabo97，项目名称:Android-Open-Shopping-List，代码行数:9，代码来源:ShoppingListActivity.java

示例5: pushToFirebaseOnAddingGroup

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public static void pushToFirebaseOnAddingGroup(String groupName, DateTime dateTime, final ArrayList<String> usersToAdd) {
    DatabaseReference pushedGroupRef = groupDataRef.push();
    final String pushedGroupKey = pushedGroupRef.getKey();

    pushedGroupRef.child("groupName").setValue(groupName);
    pushedGroupRef.child("members").setValue(usersToAdd);
    pushedGroupRef.child("endTime").setValue(dateTime);

    // Loop through Firebase users to find group members. If found,
    // put the unique group key in the user node.
    userDataRef.addListenerForSingleValueEvent(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            for (DataSnapshot childNode : dataSnapshot.getChildren()) {
                for (String user : usersToAdd) {
                    if (user.equals(childNode.getKey())) {
                        userDataRef.child(childNode.getKey()).child("groups").child(pushedGroupKey).setValue(pushedGroupKey);
                    }
                }
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {

        }
    });

}
开发者ID:a-deda，项目名称:share-location，代码行数:30，代码来源:FirebaseHelper.java

示例6: add

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
/**
 * Add a new FollowRequest to Firebase.
 * @param followRequest
 */
@Override
public void add(FollowRequest followRequest) {
    DatabaseReference newRef = mFollowRequestRef.push();
    String key = newRef.getKey();
    followRequest.setKey(key);
    newRef.setValue(followRequest);
}
开发者ID:CMPUT301F17T13，项目名称:cat-is-a-dog，代码行数:12，代码来源:FollowRequestRepository.java

示例7: addPlant

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
/**
 * Add a new plant to a user's plant list in the database
 * @param context - current app context
 * @param name - name of the plant
 * @param species - the plant's species
 * @param birthday - the plant's birthday
 * @param height - the plant's height
 * @param bmp - the plant's picture
 */
public boolean addPlant(final Context context, String name, String species, long birthday, double height, final Bitmap bmp) {
    showProgressDialog(context, context.getString(R.string.loading_text));
    // reject plant addition if species is null
    if ((species == null) || species.equals("") || (name == null) || name.equals("")) {
        Toast.makeText(context, R.string.toast_invalid_plant_input, Toast.LENGTH_SHORT).show();
        hideProgressDialog();
        return false;
    }
    else if (getPlantsNumber() > 999) {
        Toast.makeText(context, R.string.toast_plant_limit_exceeded, Toast.LENGTH_SHORT).show();
        hideProgressDialog();
        return false;
    }
    else if (mSpeciesCache.containsKey(species)) {
        // If the user typed a common name, fetch the scientific name
        species = mSpeciesCache.get(species);
    }
    else if (!mSpeciesCache.containsValue(species)) {
        // The user must have entered neither the scientific nor the common name
        hideProgressDialog();
        return false;
    }

    final String userId = getUserId();
    if (userId != null) {
        DatabaseReference plantRef = getAllPlantsReference().push();
        final String plantId = plantRef.getKey();
        final Plant plant = new Plant(plantId, name, species, birthday, height);
        plantRef.setValue(plant).addOnCompleteListener(new OnCompleteListener<Void>() {
            @Override
            public void onComplete(@NonNull Task<Void> task) {
                if (!task.isSuccessful()) {
                    Toast.makeText(context, "Plant add failed, try again", Toast.LENGTH_SHORT).show();
                } else {
                    setPlantsNumber(++mPlantsNumber);
                    updatePlantImage(0, 0, plantId, bmp);
                    setAddedNumber(getAddedCount() + 1);
                    updateUserRating();
                }
            }
        });
    }
    hideProgressDialog();
    return true;
}
开发者ID:iskandergaba，项目名称:Botanist，代码行数:55，代码来源:DatabaseManager.java

示例8: sendData

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
public void sendData(String title, String body,String ingre, Float latitude, Float longitude,String url,Float price) {
    DatabaseReference node = FirebaseDatabase.getInstance().getReference().child("Serving").push();
    final String key = node.getKey();
    String userId = getUid();
    node.setValue(new Serve(title,body, ingre,latitude,longitude, url, key, userId, price));
    final DatabaseReference mCustomerDatabase= FirebaseDatabase.getInstance().getReference().child("Users").child(userId);
    /*ValueEventListener valueEventListener = mCustomerDatabase.addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if(dataSnapshot.exists() && dataSnapshot.getChildrenCount()>0){
                Map<String, Object> map = (Map<String, Object>) dataSnapshot.getValue();
                if(map.get("foodId")==null){
                    map.put("foodId",key);
                    mCustomerDatabase.updateChildren(map);
                }else{
                    DatabaseReference foodId = mCustomerDatabase.child("foodId").push();
                    foodId.setValue(key);
                }
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {

        }
    });*/

    mCustomerDatabase.addListenerForSingleValueEvent(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if(dataSnapshot.exists() && dataSnapshot.getChildrenCount()>0){
                Map<String, Object> map = (Map<String, Object>) dataSnapshot.getValue();
                if(map.get("foodId")==null){
                    map.put("foodId",key);
                    mCustomerDatabase.updateChildren(map);
                }else{
                    DatabaseReference foodId = mCustomerDatabase.child("foodId").push();
                    foodId.setValue(key);
                }
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {

        }
    });

    node.setValue(new Serve(title,body,ingre,latitude,longitude, url, key, userId,price));
}
开发者ID:thandomy，项目名称:foodie，代码行数:51，代码来源:Post.java

示例9: onActivityResult

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if(requestCode == GALLERY_PICK && resultCode == RESULT_OK){

        Uri imageUri = data.getData();

        final String current_user_ref = "messages/" + mCurrentUserId + "/" + mChatUser;
        final String chat_user_ref = "messages/" + mChatUser + "/" + mCurrentUserId;

        DatabaseReference user_message_push = mRootRef.child("messages")
                .child(mCurrentUserId).child(mChatUser).push();

        final String push_id = user_message_push.getKey();


        StorageReference filepath = mImageStorage.child("message_images").child( push_id + ".jpg");

        filepath.putFile(imageUri).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
            @Override
            public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task) {

                if(task.isSuccessful()){

                    String download_url = task.getResult().getDownloadUrl().toString();


                    Map messageMap = new HashMap();
                    messageMap.put("message", download_url);
                    messageMap.put("seen", false);
                    messageMap.put("type", "image");
                    messageMap.put("time", ServerValue.TIMESTAMP);
                    messageMap.put("from", mCurrentUserId);

                    Map messageUserMap = new HashMap();
                    messageUserMap.put(current_user_ref + "/" + push_id, messageMap);
                    messageUserMap.put(chat_user_ref + "/" + push_id, messageMap);

                    mChatMessageView.setText("");

                    mRootRef.updateChildren(messageUserMap, new DatabaseReference.CompletionListener() {
                        @Override
                        public void onComplete(DatabaseError databaseError, DatabaseReference databaseReference) {

                            if(databaseError != null){

                                Log.d("CHAT_LOG", databaseError.getMessage().toString());

                            }

                        }
                    });


                }

            }
        });

    }

}
开发者ID:IOSD，项目名称:YFHR_Android_App，代码行数:64，代码来源:ChatActivity.java

示例10: sendMessage

import com.google.firebase.database.DatabaseReference; //导入方法依赖的package包/类
private void sendMessage() {


        String message = mChatMessageView.getText().toString();

        if(!TextUtils.isEmpty(message)){

            String current_user_ref = "messages/" + mCurrentUserId + "/" + mChatUser;
            String chat_user_ref = "messages/" + mChatUser + "/" + mCurrentUserId;

            DatabaseReference user_message_push = mRootRef.child("messages")
                    .child(mCurrentUserId).child(mChatUser).push();

            String push_id = user_message_push.getKey();

            Map messageMap = new HashMap();
            messageMap.put("message", message);
            messageMap.put("seen", false);
            messageMap.put("type", "text");
            messageMap.put("time", ServerValue.TIMESTAMP);
            messageMap.put("from", mCurrentUserId);

            Map messageUserMap = new HashMap();
            messageUserMap.put(current_user_ref + "/" + push_id, messageMap);
            messageUserMap.put(chat_user_ref + "/" + push_id, messageMap);

            mChatMessageView.setText("");

            mRootRef.child("Chat").child(mCurrentUserId).child(mChatUser).child("seen").setValue(true);
            mRootRef.child("Chat").child(mCurrentUserId).child(mChatUser).child("timestamp").setValue(ServerValue.TIMESTAMP);

            mRootRef.child("Chat").child(mChatUser).child(mCurrentUserId).child("seen").setValue(false);
            mRootRef.child("Chat").child(mChatUser).child(mCurrentUserId).child("timestamp").setValue(ServerValue.TIMESTAMP);

            mRootRef.updateChildren(messageUserMap, new DatabaseReference.CompletionListener() {
                @Override
                public void onComplete(DatabaseError databaseError, DatabaseReference databaseReference) {

                    if(databaseError != null){

                        Log.d("CHAT_LOG", databaseError.getMessage().toString());

                    }

                }
            });

        }

    }
开发者ID:IOSD，项目名称:YFHR_Android_App，代码行数:51，代码来源:ChatActivity.java


注：本文中的com.google.firebase.database.DatabaseReference.getKey方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。