Whenever you want to display a large number of items in a scrollable list, most items are not visible. For example, in a long list of words or many news headlines, list of products from the ecommerce website the user only sees a small number of list items at a time. The RecyclerView class is […]
Menu’s are used to provide a familiar and consistent user experience, you should use the Menu to present user actions and other options in your activities. such as searching for information, saving information, editing information, or navigating to a screen. Types of menus: Options menu and app bar : Options menu: Appears in the app bar and […]
This is the directory Structure of Android Explicit Intent Example. Explicity Intents are used to start other Activity within the same Appication. I have expalined more in details about Intents.If you want to know more about Intents Click here Android Intents To work with Android Explicit Intent’s we have to create project in Android Studio. […]
________________________________________________ SQL databases : It is used to Store data in tables of rows and columns. The intersection of a row and column is called as a field and contains data. The fields are references to other fields or other tables Fields contain data, references to other fields, or references to other tables. Rows in […]
In Android studio Activity is a starting point OR entry point to start an application. Activity performs several tasks when we start an android application with the call back methods. we start an application first it call’s a Call back method i.e. onCreate() method and ends the application when we close then it call’s onDestroy() call back method. […]
First open Android Studio In Run as Administrator mode it opens Android Studio. Follow the below steps to create first android Hello World Application. After starting the Android Studio Select Start a new Android Studio Project and then click on next In Application Name : Give any name you want i have given […]
Intents : Intents are used to navigate between two activities within the application means same app or outside the application means from the other activity within same the device outside the app. It is more important to know more about Intents in Android. Intent Starting an activity : An Activity represents a single screen in an […]
Layout : A layout defines the Design or structure for a user interface in your app, such as in an activity. All elements in the layout are built using a hierarchy of View and ViewGroup objects. user can see views and interact with it. but ViewGroup is invisible and that defines the layout structure for View and other ViewGroup objects The View objects are usually […]
Manifest File : Every app project must have an AndroidManifest.xml file (the name has it’s importance) at the root of the project source set. The manifest file describes the important essential information about your app to the Android build tools, the Android operating system, and Google Play. The manifest file is required to declare the following : […]
Resource: You should always externally use app resources such as images, color and strings ctc. from your code, so that you can maintain them separately and independent. You should also provide alternative resources for specific device configurations, by grouping them in specially-named resource directories. At runtime, Android uses the preferred resource based on the app […]
