Formatter By Connect + Firebase Realtime Database Integrations

Formatter By Connect?

Formatter By Connect is a top that formats the content of your app to match the design guide of Google Play. It also provides a setting for you to create a development and production environment.

Firebase Realtime Database is a cloud-based database that provides all the tops required to build an app with a backend. It’s the most flexible, convenient, and powerful way to store data for your app.

To integrate Formatter By Connect and Firebase Realtime Database, we need to first sign into the Firebase Conspe, then click “Get Started” on the left-hand side of Firebase Realtime Database. Choose “Hosted config” from the list at the top. You will then be prompted to choose your firebase project. Then, choose “Database” from the data tab, check the “Enable Cloud Firestore” checkbox, and click “Done.”

Next, go to your Android Studio and create a new blank activity called “MainActivity”. This activity is going to be used as our main activity in our app. Next, open up the Firebase Conspe again, go to Authentication > Sign-in Method, and select “Email/Password”. Once you have chosen it, copy the contents of the field called “Email/Password” auth method and paste it onto the placehpder code of MainActivity.java.

Then, open up the AndroidManifest.xml file and add in these permissions. android.permission.READ_EXTERNAL_STORAGE and android.permission.INTERNET.

Next, open up MainActivity.java and add these imports. import com.google.firebase.database.FirebaseDatabase; import com.google.firebase.database.FirebaseFirestore; import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { private FirebaseFirestore db; @Override protected void onCreate(Bundle savedInstanceState. { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Create an instance of a Firestore database db = FirebaseFirestore .getInstance(.getReferenceFromUrl("https://<projectID>.firebaseio-demo.com/"); } @Override protected void onStart(. { super.onStart(); // Set the database reference as a LiveData object db.setValueAtTime(new Date(.getTime(), "Timestamp"); // Subscribe to the observable stream Observable<String> observable = db.observe( "Timestamp", // The name of the document pathMap(.map(DocumentSnapshot::new)); // The map function to apply when creating new documents // Whenever something changes in the database, update this value observable .subscribeOn(Schedulers.io(). // Use RxJava's IO scheduler .subscribe(new Consumer<DocumentSnapshot>(. { @Override public void accept(DocumentSnapshot snapshot. throws Exception { // Print out the value of the key named "Timestamp" LogUtils .d(TAG, "Value. " + snapshot .getValue(.toString()); } }); } @Override protected void onPause(. { super.onPause(); // Unsubscribe from streaming observable db .unsubscribeFromStreaming(); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 import com . google . firebase . database . FirebaseDatabase ; import com . google . firebase . database . FirebaseFirestore ; import android . content . Context ; import android . support . v7 . app . AppCompatActivity ; import android . os . Bundle ; public class MainActivity extends AppCompatActivity { private FirebaseFirestore db ; @ Override protected void onCreate ( Bundle savedInstanceState . { super . onCreate ( savedInstanceState . ; setContentView ( R . layout . activity_main . ; // Create an instance of a Firestore database db = FirebaseFirestore . getInstance ( . . getReferenceFromUrl ( "https://<projectID>.firebaseio-demo.com/" . ; } @ Override protected void onStart ( . { super . onStart ( . ; // Set the database reference as a LiveData object db . setValueAtTime ( new Date ( . . getTime ( . , "Timestamp" . ; // Subscribe to the observable stream Observable < String > observable = db . observe ( "Timestamp" , // The name of the document pathMap ( . . map ( DocumentSnapshot :. new . . ; // The map function to apply when creating new documents // Whenever something changes in the database, update this value observable . subscribeOn ( Schedulers . io ( . . // Use RxJava's IO scheduler . subscribe ( new Consumer < DocumentSnapshot > ( . { @ Override public void accept ( DocumentSnapshot snapshot . throws Exception { // Print out the value of the key named "Timestamp" LogUtils . d ( TAG , "Value. " + snapshot . getValue ( . . toString ( . . ; } } . ; } @ Override protected void onPause ( . { super . onPause ( . ; // Unsubscribe from streaming observable db . unsubscribeFromStreaming ( . ; } }

If you run your app now, it should set “Timestamp” as your current time and print out a message with some details about your database instance and your Firebase project ID every time something changes in your database instance!

When you integrate Formatter by Connect and Firebase Realtime Database together, not only do you have the benefit of using Formatter by Connect to format your app for you, but you also have access to all of Firebase’s awesome features like realtime database access, notifications, authentication, static hosting, and more!

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