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Day: February 13, 2018

Firebase for android : Read list of data from database and show on recyclerview

Firebase for android : Read list of data from database and show on recyclerview

Part -1 : Take that we have some data field on child node named “user” . We will first retrieve all data and then we will show it on recyclerview. , public class UserListActivity extends AppCompatActivity { private DatabaseReference mDatabase; ArrayList<User> userArrayList; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_user_list); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); mDatabase = FirebaseDatabase.getInstance().getReference(); mDatabase.child(“user”).addValueEventListener(new ValueEventListener() { @Override public void onDataChange(DataSnapshot snapshot) { Toast.makeText(UserListActivity.this, snapshot.toString(), Toast.LENGTH_SHORT).show(); @Override public void onCancelled(DatabaseError databaseError) { System.out.print(databaseError.toString()); } });…

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Firebase for android : Part One – Project setup

Firebase for android : Part One – Project setup

First of all you can get total setup manual from here . https://firebase.google.com/docs/android/setup I am describing here step by step : Part 1 : First create an android project . If already have then no need . We need project package name . Part 2 :  Go to firebase console to create a project . You need a gmail account . https://console.firebase.google.com/ . Add new project . Give project name and enter create project . I named test-project .   Part…

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