-

মন্তব্যসমূহ

একটি মন্তব্য পোস্ট করুন

এই ব্লগটি থেকে জনপ্রিয় পোস্টগুলি

Database [ SQLite Database ] [ local database ]

-
ছবি
Android SQLite Database SQLite is a local database, so it doesn't need any server or any online place to keep the date. that's why no need for any ODBC / JDBC  queries /connection for its functionality. It saves its data into a text file and it saves locally into your mobile or Android device. SQLite is an open source database. SQLite supports standard relational database features. Android comes in with built-in SQLite database implementation. so you don't need to install any extra libraries to use SQLite with Android. To create and upgrade a database in your Android application : you create a subclass of SQLiteOpenHelper class.  in the constructor of your subclass, you call the super() method of SQLiteOpenHelper . Start Code: we are going to open an Android project. then we are going to create a java class [ ex: DatabaseHelper .java ] for handling the SQLite database. this class extends SQLiteOpenHelper . implements all the @O...
আরও পড়ুন

Firebase authentication

-
ছবি
Firebase authentication: Part-1: Create Firebase Project and connect it to your app. check... Part-2: Registration. 1. In firebase, there are many ways of registration.if we go firebase console, we can see these ways.. we should enable one of their Sign-in methods first. 2. Design UI for Signup Page: 3. Now we should do some code for receiving data/email & password from those EditText and write some code for Firebase authentication by Email & Password. Declare & Initialize  mAuth. Pass the Email & Password to Firebase. 4. Above 1st we get the Email & Password from input Field. then pass them as a parameter of mAuth .createUserWithEmailAndPassword(email, password)   method. here is the full java class: package com.nirjhor3029.firebaseauthentication; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull ; import android.support.v7.app.AppCompatActivity; impo...
আরও পড়ুন