Discuss three common performance bottlenecks in Android apps. Suggest strategies to profile and optimise application performance using Android Studio.

In Android app development, ensuring smooth performance is critical to providing a positive user experience. However, various performance bottlenecks can impact an app's responsiveness and efficiency. These bottlenecks can result in slow performance, unresponsiveness, and crashes. Here, we will discuss three common performance bottlenecks in Android apps and suggest strategies for profiling and optimizing app performance using Android Studio.

1. UI Thread Blocking

One of the most common performance bottlenecks in Android apps occurs when long-running operations are executed on the main UI thread. The UI thread is responsible for rendering the app’s interface, and if it becomes blocked or overwhelmed with tasks like network requests, disk operations, or complex computations, the app becomes unresponsive. This often results in UI freezes or "Application Not Responding" (ANR) errors.

Strategy for Optimization: To address UI thread blocking, developers should offload long-running tasks to background threads. Android provides several mechanisms for doing this, such as AsyncTask, HandlerThread, ExecutorService, and Threads. Moreover, modern Android development encourages the use of Kotlin Coroutines for managing background tasks efficiently. Android Studio's profiling ________ ________ ________ _______ ______ ____ ________ __________ __________ _____ ___ ____.
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