Layout in Android? It is used to display screen structure( layout) in Android Application, Layout can be Linear, Relative, Grid, Table, Absolute, Frame, and Constraint Layout in Android. We can create Layout initially in the android application because Layout provides Parent and Child Container in the Android application. The default orientation of the Linear Layout is Horizontal. 1) Linear Layout:- It is used to display elements using Linear sequence and its orientation can be verticle and horizontal. Linear Layout is the simplest layout in android applications. We can easily place a Linear Layout as a Parent Layout and Child Layout. 1) <LinearLayout android:orientation="verticle" > </LinearLayout> 2)   Linear Layout using Nested Sequence. <LinearLayout android:orientation="verticle" > <LinearLayout android:orientation="verticle" > </LinearLayout> <LinearLayout android:orientation="verticle" > </LinearLay...

 Firebase Tutorials in Android:- Firebase is cloud data storage, build integration and grow app android, ios and web-based application  that is used to provide a real-time cloud database where we can easily save our records using table pattern. If you want to create a complete android application without any external WEB API or Services then Firebase is the best option for you. Firebase also provides a predefined app to implement authentication, security, notification, etc. Now I am discussing, how to implement the authentication app of Firebase for the login and Registration process. Step1st:- open firebase to type  www.firebase.google.com login with Gmail or manage signup manually. Step2nd:- Create Project that can contain multiple app Step3rd:- The cloud project package name should be similar to the android offline package. Step4th:- Copy google-analytics file into the project if you want to track the project report. Step5th:- add library under project Gradle file and ...