Java Firebase.push方法代碼示例

import com.firebase.client.Firebase; //導入方法依賴的package包/類
/**
 * Create an object Table in the database
 * @param empty reference for table ("pointer") to the table object
 * @return Firebase object with the reference to the newly created table
 */
public Firebase addTable(){

	Firebase tableRef = root.child("Table");

	ResturantTable table = new ResturantTable();
	Firebase newTableRef = tableRef.push();

	//System.out.println("Creating Table...");
	newTableRef.setValue(table, new Firebase.CompletionListener() {

		@Override
		public void onComplete(FirebaseError arg0, Firebase arg1) {
			//System.out.println("Table created");

		}
	});

	sleep(2);
	table.setRef(newTableRef);
	tableList.put(newTableRef.toString(), table);
	return newTableRef;
}
 

import com.firebase.client.Firebase; //導入方法依賴的package包/類
void touchFirebase(){
        // Write trip to firebase
//        String fbId;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd", Locale.US);

        Firebase tripsRef = new Firebase("https://dazzling-fire-3233.firebaseio.com/trips-started/"+
                sdf.format(new Date(System.currentTimeMillis())));

        Firebase newPushRef = tripsRef.push();
        newPushRef.setValue(System.currentTimeMillis());
//        fbId = newPushRef.getName();
    }
 

import com.firebase.client.Firebase; //導入方法依賴的package包/類
public boolean saveItem() {
    //save title
    if (isTitleVisible) {
        if (!Utils.isEmpty(mRemindItemTitleEditText)) {
            mRemindItem.setTitle(mRemindItemTitleEditText.getText().toString());
        } else if (mRemindItem.getTitle() == null) {
            Toast.makeText(getContext(), R.string.title_field_is_empty, Toast.LENGTH_SHORT).show();
            mRemindItemTitleEditText.requestFocus();
            return false;
        }
    } else {
        if (!Utils.isEmpty(mBigTitle)) {
            mRemindItem.setTitle(mBigTitle.getText().toString());
        } else if (mRemindItem.getTitle() == null) {
            Toast.makeText(getContext(), R.string.title_field_is_empty, Toast.LENGTH_SHORT).show();
            mBigTitle.requestFocus();
            return false;
        }
    }

    String error = validateData();
    if (error != null && !error.isEmpty()) {
        showErrorDialog(error);
        return false;
    }

    Firebase firebaseRef = new Firebase(Utils.getFirebaseUserReminderUrl(mUserUID));
    if (mItemKey != null && !mItemKey.isEmpty()) {
        // update item
        if (mRemindItem.getUID() == 0) {
            // TODO: 15.05.16 remove this after database upgrade
            mRemindItem.setUID(mItemKey.hashCode());
        }
        Firebase updateItemRef = firebaseRef.child(mItemKey);
        updateItemRef.setValue(mRemindItem);
    } else {
        // create item
        Firebase newItemRef = firebaseRef.push();
        mItemKey = newItemRef.getKey();
        mRemindItem.setUID(mItemKey.hashCode());
        newItemRef.setValue(mRemindItem);
    }

    if (mRemindItem.isActive() && !mRemindItem.isCompleted()) {
        Utils.enableAlarmGeofence(getActivity().getApplicationContext(), mRemindItem, mItemKey);
    } else {
        Utils.disableAlarmGeofence(getActivity().getApplicationContext(), mRemindItem);
    }

    return true;
}
 

import com.firebase.client.Firebase; //導入方法依賴的package包/類
/**
 * Setup Firebase for the user and connected devices
 *
 * Update the existing user data with the number of devices selected on the previous screen
 * Add the devices based on the selection
 * Generate the message for the next device
 */
private void setupFirebase() {
    // Update Firebase to include the total number of devices
    if (!TextUtils.isEmpty(mFirebaseUid)) {
        Map<String, Object> profile = new HashMap<>();
        profile.put(Constants.FIREBASE_PROPERTY_NUMBER_DEVICES, mTotalDevices);

        Firebase userRef = new Firebase(Constants.FIREBASE_URL_USERS).child(mFirebaseUid);
        userRef.updateChildren(profile);
        LogUtils.LOGE("***> setupFirebase", "update firebase uid:" + mFirebaseUid);

        // Add device ids to Firebase
        for (int i = 0; i < PreferencesUtils.getInt(mActivity, R.string.key_total_devices, 1); i++) {
            // If the challengeCode is empty, then push a new value to the database
            Firebase deviceRef = new Firebase(Constants.FIREBASE_URL_DEVICES).child(mFirebaseUid);
            final Firebase newDeviceRef = deviceRef.push();

            mDeviceIds[i] = newDeviceRef.getKey();
            final int currentDeviceNumber = i + 1;

            LogUtils.LOGE("***> new device #" + currentDeviceNumber, mDeviceIds[i]);

            Device device = new Device(mDeviceIds[i], i + 1, mDeviceNum == currentDeviceNumber);
            newDeviceRef.setValue(device);
            newDeviceRef.addValueEventListener(new ValueEventListener() {
                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    Device d = dataSnapshot.getValue(Device.class);
                    if (d != null) {
                        LogUtils.LOGE("***> child updated", "id: " + d.getDeviceId());
                        LogUtils.LOGE("***> child updated", "number: " + d.getDeviceNumber());
                        LogUtils.LOGE("***> child updated", "connected: " + d.isConnected());
                        LogUtils.LOGE("***> child updated", "next: " + currentDeviceNumber);

                        // Hide the button and show the message for the first device
                        if (d.isConnected() && d.getDeviceNumber() > 1) {
                            PreferencesUtils.setBoolean(mActivity, R.string.key_message_received, true);

                            LogUtils.LOGE("***> child updated", "unpublished: " + currentDeviceNumber);
                            unpublish();
                            mDiscover.setVisibility(View.GONE);
                            mIntroConnectDevice.setText(mActivity.getString(R.string.text_message_received));
                        }
                    } else {
                        if (!PreferencesUtils.getBoolean(mActivity, R.string.key_device_reset_done, false)) {
                            LogUtils.LOGE("***> setupFirebase", "reset device");
                            MainActivity.resetDevice();
                        }
                    }
                }

                @Override
                public void onCancelled(FirebaseError firebaseError) {

                }
            });

            // Create the message for the next device
            if (i == mDeviceNum) {
                LogUtils.LOGE("***> device", "message created");
                String message = mActivity.getString(R.string.message_body, mFirebaseUid, mDeviceNum + 1,
                        mTotalDevices, newDeviceRef.getKey());
                mDeviceInfoMessage = DeviceMessage.newNearbyMessage(
                        InstanceID.getInstance(mActivity.getApplicationContext()).getId(), message);
            }
        }
    }
}
 

import com.firebase.client.Firebase; //導入方法依賴的package包/類
@Override

    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.enter:
                userName = username.getText().toString();
                useremail = email.getText().toString();


                Firebase ref = new Firebase("https://crombox-bd22b.firebaseio.com/");

                Firebase fb_to_read = ref.child("users");
                Firebase fb_put_child = fb_to_read.push(); // REMEMBER THIS FOR PUSH METHOD


                // Creating Person object
                Person person = new Person();

                //Adding values
                person.setName(userName);
                person.setemail(useremail);

                //Storing values to firebase

                // ref.setValue(person);
                fb_put_child.setValue(person);
                Toast.makeText(getBaseContext(), "Welcome" + username, Toast.LENGTH_LONG).show();
                Intent i=new Intent(First.this,MainActivity.class);
                startActivity(i);






        }

    }