Check Internet connection in your Android Device and AVD

For many application, you have to check internet connection in emulator or in handset.

First In androidmanifest.xml file give the permission of internet given below :

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE">

</uses-permission>

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE">

</uses-permission>

Now add Internet Connection code given below :

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How to create Android Facebook Key Hash

Download openSSl Extract it in C:/ drive now Open CMD goes to C:\Program Files\Java\jdk1.7.0\bin using cd C:\Program Files\Java\jdk1.7.0\bin $ keytool - exportcert - alias androiddebugkey - keystore "C:\user\dj-android\.android\debug.keystore" | "C:\OpenSSL\bin\openssl" sha1 - binary | "C:\OpenSSL\bin\openssl" base64 You will be prompted for a password. This should be 'android' without quotes. You'll then be given a key hash of 30 characters or so. (If you are not prompted for a password, something is wrong and you must check your paths above to ensure the debug.keystore is present.)

Stop Babysitting your AI Coding Agent Every Single Session

Watched a video by DSquaredLabs on " No more re-explaining: Give your AI agent a memory graph " — here's what stuck with me and why I think this three-tool system is worth your attention If you work on a large codebase with AI coding tools, you already know the ritual. Open a new chat, paste your file structure, explain your stack, describe how the modules connect — and repeat the whole thing tomorrow. It is not a minor inconvenience. It is a compounding productivity tax that gets worse as your project grows. This article breaks down a three-tool system designed to fix exactly that. If you want the full walkthrough with a live demo on a real monorepo, the video at the bottom covers everything in depth — but the core concepts are worth understanding before you dive in. The Problem With How Most Developers Use AI Today Most AI-assisted coding workflows are missing three things that every good engineering team actually has: A map of the codebase A process for how w...

simple Canvas Drawing Example ANDROID

F Download Code Create New Android Project: in your Main Activity: Download Code Click Here .

DJ-Android

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