Java Code Examples for com.google.firebase.database.FirebaseDatabase#getReference()
The following examples show how to use
com.google.firebase.database.FirebaseDatabase#getReference() .
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Example 1
| Source File: firebaseMessaging.java From UberClone with MIT License | 6 votes |
|
@Override
public void onNewToken(@NonNull String s) {
super.onNewToken(s);
FirebaseDatabase db=FirebaseDatabase.getInstance();
DatabaseReference tokens=db.getReference(Common.token_tbl);
Token token=new Token(s);
if (FirebaseAuth.getInstance().getCurrentUser()!=null)tokens.child(FirebaseAuth.getInstance().getUid())
.setValue(token);
}
Example 2
| Source File: PopularFragment.java From YTPlayer with GNU General Public License v3.0 | 5 votes |
|
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
show();
if (writeData!=null) {
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference reference = database.getReference(ref);
reference.child("timeString").setValue(YTutils.getTodayDate_nogaps());
reference.child("data").setValue(writeData);
Toast.makeText(activity, "Updated server list!", Toast.LENGTH_SHORT).show();
}
if (models.size()>0) {
mOplayfab.setOnClickListener(view -> {
String[] yturls = new String[models.size()];
MusicService.nPlayModels.clear();
for (int i=0;i<models.size();i++) {
MetaModel metaModel = new MetaModel(
YTutils.getVideoID(models.get(i).getYtUrl()),
models.get(i).getTitle(),
models.get(i).getAuthor(),
models.get(i).getImgUrl()
);
NPlayModel model = new NPlayModel(models.get(i).getYtUrl(),new YTMeta(metaModel),false);
MusicService.nPlayModels.add(model);
yturls[i] = models.get(i).getYtUrl();
}
MainActivity.PlayVideo(yturls);
});
adapter = new SongAdapter(models,activity);
mRecyclerview.setAdapter(adapter);
}else
Toast.makeText(activity, "Unable to retrieve data!", Toast.LENGTH_SHORT).show();
Log.e(TAG, "onPostExecute: Process ended" );
}
Example 3
| Source File: AttendeesFragment.java From white-label-event-app with Apache License 2.0 | 5 votes |
|
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LOGGER.fine("onCreate");
final Bundle args = getArguments();
title = args.getString(ARG_TITLE);
final FirebaseDatabase fdb = FirebaseDatabase.getInstance();
attendeesRef = fdb.getReference("/sections/attendees");
}
Example 4
| Source File: CompanyDetailFragment.java From white-label-event-app with Apache License 2.0 | 5 votes |
|
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LOGGER.fine("onCreate");
final Bundle args = getArguments();
final String companyId = args.getString(ARG_COMPANY_ID);
if (Strings.isNullOrEmpty(companyId)) {
throw new IllegalArgumentException(ARG_COMPANY_ID + " can't be null or empty");
}
final FirebaseDatabase fdb = FirebaseDatabase.getInstance();
companyRef = fdb.getReference("/sections/companies/items/" + companyId);
}
Example 5
| Source File: firebaseMessagning.java From UberClone with MIT License | 5 votes |
|
@Override
public void onNewToken(@NonNull String s) {
super.onNewToken(s);
FirebaseDatabase db=FirebaseDatabase.getInstance();
DatabaseReference tokens=db.getReference(Common.token_tbl);
Token token=new Token(s);
if (FirebaseAuth.getInstance().getCurrentUser()!=null)tokens.child(FirebaseAuth.getInstance().getUid())
.setValue(token);
}
Example 6
| Source File: verifyPatient2.java From Doctorave with MIT License | 5 votes |
|
private void putInformationInFb(final Context context) {
// TODO: Send messages on click
FirebaseDatabase mFirebaseDatabase = FirebaseDatabase.getInstance();
final DatabaseReference mDatabaseReference = mFirebaseDatabase.getReference();
Query hekkQuery = mDatabaseReference;
hekkQuery.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
boolean alreadyHas = false;
for (DataSnapshot snapshot: dataSnapshot.getChildren()) {
if (snapshot.getKey().equals(phone)){
alreadyHas = true;
saveUserInSP(context);
}
}
if(!alreadyHas){
mDatabaseReference.child(phone).setValue("").addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
saveUserInSP(context);
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
}
});
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
Example 7
| Source File: MapsFragment.java From white-label-event-app with Apache License 2.0 | 5 votes |
|
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LOGGER.fine("onCreate");
final Bundle args = getArguments();
title = args.getString(ARG_TITLE);
final FirebaseDatabase fdb = FirebaseDatabase.getInstance();
mapsRef = fdb.getReference("/sections/maps");
}
Example 8
| Source File: FirebaseDatabaseTestIT.java From firebase-admin-java with Apache License 2.0 | 5 votes |
|
@Test
public void testSetValue() throws InterruptedException, ExecutionException, TimeoutException,
TestFailure {
FirebaseDatabase db = FirebaseDatabase.getInstance(masterApp);
DatabaseReference ref = db.getReference("testSetValue");
ref.setValueAsync("foo").get(TestUtils.TEST_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
ReadFuture readFuture = ReadFuture.untilEquals(ref, "foo");
readFuture.timedWait();
}
Example 9
| Source File: AttendeeDetailFragment.java From white-label-event-app with Apache License 2.0 | 5 votes |
|
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LOGGER.fine("onCreate");
final Bundle args = getArguments();
final String attendeeId = args.getString(ARG_ATTENDEE_ID);
if (Strings.isNullOrEmpty(attendeeId)) {
throw new IllegalArgumentException(ARG_ATTENDEE_ID + " can't be null or empty");
}
final FirebaseDatabase fdb = FirebaseDatabase.getInstance();
eventRef = fdb.getReference("/event");
attendeeRef = fdb.getReference("/sections/attendees/items/" + attendeeId);
}
Example 10
| Source File: OfflineActivity.java From snippets-android with Apache License 2.0 | 5 votes |
|
private void fullConnectionExample() {
// [START rtdb_full_connection_example]
// Since I can connect from multiple devices, we store each connection instance separately
// any time that connectionsRef's value is null (i.e. has no children) I am offline
final FirebaseDatabase database = FirebaseDatabase.getInstance();
final DatabaseReference myConnectionsRef = database.getReference("users/joe/connections");
// Stores the timestamp of my last disconnect (the last time I was seen online)
final DatabaseReference lastOnlineRef = database.getReference("/users/joe/lastOnline");
final DatabaseReference connectedRef = database.getReference(".info/connected");
connectedRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
boolean connected = snapshot.getValue(Boolean.class);
if (connected) {
DatabaseReference con = myConnectionsRef.push();
// When this device disconnects, remove it
con.onDisconnect().removeValue();
// When I disconnect, update the last time I was seen online
lastOnlineRef.onDisconnect().setValue(ServerValue.TIMESTAMP);
// Add this device to my connections list
// this value could contain info about the device or a timestamp too
con.setValue(Boolean.TRUE);
}
}
@Override
public void onCancelled(DatabaseError error) {
Log.w(TAG, "Listener was cancelled at .info/connected");
}
});
// [END rtdb_full_connection_example]
}
Example 11
| Source File: MainActivity.java From snippets-android with Apache License 2.0 | 5 votes |
|
public void basicReadWrite() {
// [START write_message]
// Write a message to the database
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("message");
myRef.setValue("Hello, World!");
// [END write_message]
// [START read_message]
// Read from the database
myRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// This method is called once with the initial value and again
// whenever data at this location is updated.
String value = dataSnapshot.getValue(String.class);
Log.d(TAG, "Value is: " + value);
}
@Override
public void onCancelled(DatabaseError error) {
// Failed to read value
Log.w(TAG, "Failed to read value.", error.toException());
}
});
// [END read_message]
}
Example 12
| Source File: AppClass.java From intra42 with Apache License 2.0 | 5 votes |
|
void initFirebase() {
try {
FirebaseDatabase database = FirebaseDatabase.getInstance();
firebaseRefClusterMapContribute = database.getReference("cluster_map");
} catch (IllegalStateException | NullPointerException e) {
e.printStackTrace();
FirebaseCrashlytics.getInstance().recordException(e);
}
}
Example 13
| Source File: BaseActivity.java From stockita-point-of-sale with MIT License | 5 votes |
|
/**
* This helper method is to check and listen for the user connection, and also
* log time stamp when the user disconnect.
*/
private void presenceFunction() {
// Initialize the .info/connected
FirebaseDatabase database = FirebaseDatabase.getInstance();
mUserPresenceRef = database.getReference(".info/connected");
// Get an instance reference to the location of the user's /usersLog/<uid>/lastOnline
final DatabaseReference lastOnlineRef = database.getReference()
.child(Constants.FIREBASE_USER_LOG_LOCATION)
.child(mUserUid)
.child(Constants.FIREBASE_PROPERTY_LAST_ONLINE);
// Initialize the listeners
mUserPresenceListener = new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
// Get the boolean value of the connection status
boolean connected = dataSnapshot.getValue(Boolean.class);
if (connected) {
// when I disconnect, update the last time I was seen online
lastOnlineRef.onDisconnect().setValue(ServerValue.TIMESTAMP);
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
// Nothing
}
};
// Add the listeners instance to the database database instance
mUserPresenceRef.addValueEventListener(mUserPresenceListener);
}
Example 14
| Source File: ShutdownExample.java From firebase-android-sdk with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) {
final Semaphore shutdownLatch = new Semaphore(0);
FirebaseApp app =
FirebaseApp.initializeApp(
InstrumentationRegistry.getInstrumentation().getTargetContext(),
new FirebaseOptions.Builder()
.setDatabaseUrl("http://gsoltis.fblocal.com:9000")
.build());
FirebaseDatabase db = FirebaseDatabase.getInstance(app);
db.setLogLevel(Level.DEBUG);
DatabaseReference ref = db.getReference();
ValueEventListener listener =
ref.child("shutdown")
.addValueEventListener(
new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
Boolean shouldShutdown = snapshot.getValue(Boolean.class);
if (shouldShutdown != null && shouldShutdown) {
System.out.println("Should shut down");
shutdownLatch.release(1);
} else {
System.out.println("Not shutting down: " + shouldShutdown);
}
}
@Override
public void onCancelled(DatabaseError error) {
System.err.println("Shouldn't happen");
}
});
try {
// Keeps us running until we receive the notification to shut down
shutdownLatch.acquire(1);
ref.child("shutdown").removeEventListener(listener);
db.goOffline();
System.out.println("Done, should exit");
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
Example 15
| Source File: FirebaseProgressBar.java From TwrpBuilder with GNU General Public License v3.0 | 4 votes |
|
private void start(final ProgressBar progressBar, @NonNull final TextView textView, @NonNull FirebaseRecyclerAdapter adapter, @NonNull final String refId, final boolean filter, @NonNull String from, String equalto) {
FirebaseDatabase mFirebaseInstance = FirebaseDatabase.getInstance();
progressBar.setVisibility(View.VISIBLE);
Query query;
if (filter) {
query = mFirebaseInstance.getReference(refId).orderByChild(from).equalTo(equalto);
} else {
query = mFirebaseInstance.getReference(refId);
}
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
progressBar.setVisibility(View.GONE);
if (!dataSnapshot.exists()) {
if (filter) {
textView.setText(R.string.no_builds_found);
} else {
switch (refId) {
case "RunningBuild":
textView.setText(R.string.no_running_builds);
break;
case "Builds":
textView.setText(R.string.no_builds_found);
break;
case "Rejected":
textView.setText(R.string.no_rejected);
break;
}
}
textView.setVisibility(View.VISIBLE);
} else {
textView.setVisibility(View.GONE);
}
}
@Override
public void onCancelled(@NonNull DatabaseError firebaseError) {
progressBar.setVisibility(View.GONE);
}
});
adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
@Override
public void onChanged() {
super.onChanged();
progressBar.setVisibility(View.GONE);
}
});
}
Example 16
| Source File: RepoDatabase.java From TvAppRepo with Apache License 2.0 | 4 votes |
|
public static void getLeanbackShortcut(String packageName, final LeanbackShortcutCallback callback) {
final FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference reference = database.getReference("leanbackShortcuts");
DatabaseReference shortcutReference = reference.child(packageName.replaceAll("[.]", "_"));
if (DEBUG) {
Log.d(TAG, "Looking at shortcut reference " + shortcutReference.toString());
Log.d(TAG, "Looking for package " + packageName);
}
shortcutReference.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (DEBUG) {
Log.d(TAG, "Got value back " + dataSnapshot.toString());
}
try {
LeanbackShortcut leanbackShortcut =
dataSnapshot.getValue(LeanbackShortcut.class);
if (leanbackShortcut == null) {
if (DEBUG) {
Log.i(TAG, "No leanback shortcut");
}
callback.onNoLeanbackShortcut();
return;
}
if (DEBUG) {
Log.i(TAG, "This is a leanback shortcut");
}
callback.onLeanbackShortcut(leanbackShortcut);
} catch (Exception e) {
if (DEBUG) {
Log.i(TAG, "No leanback shortcut");
Log.e(TAG, e.getMessage());
}
callback.onNoLeanbackShortcut();
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
if (DEBUG) {
Log.e(TAG, databaseError.toString());
}
callback.onDatabaseError(databaseError);
}
});
}
Example 17
| Source File: RepoDatabase.java From TvAppRepo with Apache License 2.0 | 4 votes |
|
public static RepoDatabase getInstance(String type) {
if (apps == null) {
apps = new HashMap<>();
}
// Read from the database
if (mRepoDatabase == null) {
mRepoDatabase = new RepoDatabase();
final FirebaseDatabase database = FirebaseDatabase.getInstance();
databaseReference = database.getReference(type);
Log.d(TAG, "Create new instance of RepoDatabase");
databaseReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// This method is called once with the initial value and again
// whenever data at this location is updated.
Log.d(TAG, "Got new snapshot " + dataSnapshot.toString());
for (DataSnapshot dataSnapshot1 : dataSnapshot.getChildren()) {
try {
Log.d(TAG, dataSnapshot1.toString());
Apk value = dataSnapshot1.getValue(Apk.class);
value.setKey(dataSnapshot1.getKey());
Log.d(TAG, "Value is: " + value);
if (apps.containsKey(value.getPackageName()) &&
apps.get(value.getPackageName()).getVersionCode() < value.getVersionCode() ||
!apps.containsKey(value.getPackageName())) {
for (Listener listener : listenerList) {
listener.onApkAdded(value, apps.size());
}
apps.put(value.getPackageName(), value);
}
} catch (RuntimeException e) {
// Something weird happened. Debug it.
throw new FirebaseIsBeingWeirdException("Something weird happens to Firebase here: " +
dataSnapshot1.toString() + " in " + dataSnapshot.toString());
}
}
}
@Override
public void onCancelled(DatabaseError error) {
// Failed to read value
Log.w(TAG, "Failed to read value.", error.toException());
}
});
}
return mRepoDatabase;
}
Example 18
| Source File: ShutdownExample.java From firebase-admin-java with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) {
final Semaphore shutdownLatch = new Semaphore(0);
FirebaseApp app =
FirebaseApp.initializeApp(
new FirebaseOptions.Builder()
.setDatabaseUrl("https://admin-java-sdk.firebaseio.com")
.build());
FirebaseDatabase db = FirebaseDatabase.getInstance(app);
DatabaseReference ref = db.getReference();
ValueEventListener listener =
ref.child("shutdown")
.addValueEventListener(
new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
Boolean shouldShutdown = snapshot.getValue(Boolean.class);
if (shouldShutdown != null && shouldShutdown) {
System.out.println("Should shut down");
shutdownLatch.release(1);
} else {
System.out.println("Not shutting down: " + shouldShutdown);
}
}
@Override
public void onCancelled(DatabaseError error) {
System.err.println("Shouldn't happen");
}
});
try {
// Keeps us running until we receive the notification to shut down
shutdownLatch.acquire(1);
ref.child("shutdown").removeEventListener(listener);
db.goOffline();
System.out.println("Done, should exit");
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
Example 19
| Source File: FirebaseDataManager.java From Android-MVP-vs-MVVM-Samples with Apache License 2.0 | 3 votes |
|
public FirebaseDataManager() {
super();
final FirebaseDatabase database = FirebaseDatabase.getInstance();
database.setLogLevel(BuildConfig.DEBUG ? Logger.Level.DEBUG : Logger.Level.NONE);
database.setPersistenceEnabled(false);
mDatabase = database.getReference();
mDatabaseCheckIn = mDatabase.child(TABLE_CHECK_IN);
}
Example 20
| Source File: ViewReports.java From Crimson with Apache License 2.0 | 3 votes |
|
private void getReports() {
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference reportsReference = database.getReference("reports");
allReports = new ArrayList<>();
reportsReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
AllReports reports;
for (DataSnapshot postSnapshot: snapshot.getChildren()) {
String value = String.valueOf(postSnapshot.getValue());
reports = new AllReports();
reports.setUrl(value);
allReports.add(reports);
}
showImages(allReports);
}
@Override
public void onCancelled(DatabaseError databaseError) {
Log.e("The read failed: " ,databaseError.getMessage());
}
});
}
