10+ ThoughtSpot Interview Questions and Answers

Work Manager is an Android API that schedules deferrable, asynchronous tasks that are expected to run even if the app exits or the device restarts.

• Work Manager is useful for executing background tasks that are not time-sensitive.

• It provides a flexible API to schedule tasks based on various constraints like network availability, battery status, and charging state.

• It can also handle tasks that need to be executed immediately or at a specific time.

• Work Manager can be used to per...read more

Android platform consists of four main components: activities, services, broadcast receivers, and content providers.

• Activities: user interface components that represent a single screen with a user interface

• Services: background components that perform long-running operations

• Broadcast receivers: components that respond to system-wide broadcast announcements

• Content providers: components that manage a shared set of app data

Intent is used to communicate between components of an app or between different apps. Intent Filters are used to specify the type of intent a component can handle.

• Intent is used to start an activity, service or broadcast receiver.

• Intent can also be used to pass data between components.

• Intent Filters are used to specify the type of intent a component can handle.

• Intent Filters are declared in the AndroidManifest.xml file.

• Intent Filters can be used to launch an activity from ano...read more

A headless client in Android can be created using a Service component.

• Create a Service component that runs in the background without a UI

• Use the onStartCommand() method to start the service

• Use the onBind() method to bind the service to a client

• Use the onDestroy() method to stop the service

• Example: A music player app that continues playing music even when the app is closed

The Haversine formula can be used to calculate the distance between two coordinates using the Location API.

• Use the Location.distanceBetween() method in Android

• Use the CLLocation.distance(from:) method in iOS

• Implement the Haversine formula manually if necessary

• Ensure that the coordinates are in the correct format (e.g. latitude and longitude in degrees)

Android Architecture is a layered software stack consisting of four main layers.

• The four layers are: Linux Kernel, Libraries, Runtime, and Application Framework

• Linux Kernel provides low-level hardware abstraction and security

• Libraries provide a set of pre-built functions for developers to use

• Runtime includes the Dalvik Virtual Machine and core libraries

• Application Framework provides a set of high-level services for app development

Flutter is an open-source mobile application development framework created by Google.

• Flutter uses the Dart programming language.

• It allows for fast development and hot reloading.

• Flutter provides a rich set of pre-built widgets for building beautiful UIs.

• It supports both Android and iOS platforms.

• Flutter is used by companies like Alibaba, Google Ads, and Reflectly.

Kotlin is a statically typed programming language that runs on the Java Virtual Machine and can be used for Android app development.

• Kotlin is interoperable with Java, meaning that developers can use both languages in the same project

• Kotlin has null safety features, which help prevent null pointer exceptions

• Kotlin has extension functions, which allow developers to add functionality to existing classes without having to inherit from them

• Kotlin has data classes, which are classe...read more

Java, Kotlin, and Dart are all popular programming languages for mobile app development.

• Java is the most widely used language for Android app development.

• Kotlin is a newer language that is gaining popularity due to its concise syntax and interoperability with Java.

• Dart is the language used for developing apps with Flutter, a popular cross-platform framework.

• Each language has its own strengths and weaknesses, and the choice depends on the specific requirements of the project.