Software⏱️ 2 min read📅 2026-05-30

How to Fix: How can I fix 'android.os.NetworkOnMainThreadException'

Fix NetworkOnMainThreadException in Android by offloading network tasks to a separate thread.

Quick Answer: Move network-related operations to a background thread using AsyncTask or Thread.

The Android OS is designed to prevent network operations from being performed on the main thread, as it can cause performance issues and slow down the application. The NetworkOnMainThreadException occurs when an attempt is made to perform a network operation, such as reading data from the internet, on the main thread of an Android application.

🛑 Root Causes of the Error

  • Performing network operations on the main thread.

🔧 Proven Troubleshooting Steps

Method 1: Use a Background Thread for Network Operations

  1. Step 1: Create a new thread using the Thread or Handler class to perform network operations.

Method 2: Use Android's built-in AsyncTasks for Network Operations

  1. Step 1: Create an AsyncTask to perform network operations, which will run on a background thread.

🎯 Final Words

To fix the NetworkOnMainThreadException in your Android project, use one of the proven troubleshooting steps outlined above. By doing so, you can ensure that network operations are performed on a background thread, preventing performance issues and ensuring a smoother user experience.

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