Android Interview Questions

What is Intent?

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It is a kind of message or information that is passed to the components. It is used to launch an activity, display a web page, send SMS, send email, etc. There are two types of intents in android: Implicit Intent Explicit Intent In the context of Android development, an Intent is a messaging object that … Read more

What are the Life Cycle Methods of Android Activity?

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There are 7 life-cycle methods of activity. They are as follows: onCreate() onStart() onResume() onPause() onStop() onRestart() onDestroy() In Android, the lifecycle of an activity is managed by a set of callback methods. The key lifecycle methods of an Android activity are as follows: onCreate(): Called when the activity is first created. This is where … Read more

What is Activity in Android?

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Activity is like a frame or window in java that represents GUI. It represents one screen of android. In Android, an “activity” is a fundamental component of the Android application architecture. It represents a single screen with a user interface, and it is a crucial building block for creating interactive applications. Each activity is usually … Read more

What are the Core Building Blocks of Android?

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The core building blocks of Android are: The core building blocks of Android are: Activities: An activity represents a single screen with a user interface. It is the basic unit of interaction in an Android application. Services: A service is a component that runs in the background to perform long-running operations or to perform work … Read more

Does Android Support other Languages than Java?

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Yes, an android app can be developed in C/C++ also using android NDK (Native Development Kit). It makes the performance faster. It should be used with Android SDK. Yes, Android does support languages other than Java. While Java has been traditionally used for Android app development, Google introduced Kotlin as an official programming language for … Read more