Advanced setup. Build apps. Create a Things app. Communicate with wireless devices. Configure devices. Interact with peripherals. Build user-space drivers. Manage devices. Create a build. Push an update. Chrome OS devices. App architecture. Architecture Components. UI layer libraries.
View binding. Data binding library. Lifecycle-aware components. Paging Library. Paging 2. Data layer libraries. How-To Guides. Advanced Concepts. Threading in WorkManager. App entry points. App shortcuts. App navigation. Navigation component. App links. Dependency injection. Core topics. App compatibility. Interact with other apps.
Package visibility. Intents and intent filters. User interface. Add motion to your layout with MotionLayout. MotionLayout XML reference. Improving layout performance. Custom view components. Look and feel. Splash screens. Add the app bar. Control the system UI visibility. Supporting swipe-to-refresh. Pop-up messages overview. Adding search functionality. Creating backward-compatible UIs. Home channels for mobile apps. App widgets. Media app architecture. Building an audio app.
Building a video app. The Google Assistant. Routing between devices. Background tasks. Manage device awake state. Save to shared storage.
Save data in a local database. Sharing simple data. Sharing files. Sharing files with NFC. Printing files. Content providers. Autofill framework. Contacts provider. Data backup. Remember and authenticate users. User location. Using touch gestures. Handling keyboard input. Supporting game controllers. Input method editors. Performing network operations. Transmit network data using Volley.
Perform network operations using Cronet. Transferring data without draining the battery. Reduce network battery drain. Transfer data using Sync Adapters. Bluetooth Low Energy. Wi-Fi infrastructure. Discover and connect. Runtime API reference. Web-based content. Android App Bundles. Google Play. Play Asset Delivery. Play Feature Delivery. In-app reviews. In-app updates. Google Play Instant. Get started with instant apps. Get started with instant games.
Integrate with Firebase. Play Install Referrer. Play Install Referrer Library. Application Licensing. Android GPU Inspector. System profiling. Analyze a system profile. GPU performance counters.
Frame profiling. Analyze a frame profile. Frame Profiler UI. Customize or port game engines. Process input events. Support game controllers. Achieve proper frame pacing. Frame pacing in Vulkan.
Integrate Android Performance Tuner. Output audio. Manage memory. Use prebuilt or turnkey game engines. Develop with Defold. Develop with Godot. Develop with Unity. Use Android Performance Tuner. Game best practices. Maximize device availability. Art assets. OpenGL and Vulkan. Intent s, on the other hand, are simple data interchange structures often used for launching new Activity 'es and passing data to them, but they have also other uses.
The Activity class takes care of creating a full-screen or floating window for you in which you can place your UI-elements, so Activities interact with the user. Intents are mostly used when you want to switch from one view i. Intent: You can think of Intent as a way to open another activity.
It basically helps to open new activity along with data from previous activity. Though there are many good explanations here, I would like to give my own view with respect to Activity and Intent. Activity is a UI component which you see on your screen. Reference : Intent , Activity. Activities: An activity is a component that you see on a screen, with some associated logic to manage life cycle and navigation. An application will consist of several activities.
When you move from screen to screen, generally you are changing Activities, replacing what is on the screen with the new contents and controller. Contents: navigation between activities is managed by Intents. An Intent is a type of message that applications broadcast through the Android OS to interested parties on the phone. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. What's the difference between activity and intent in Android?
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