android-asynctask

How to check internet access on Android? InetAddress never times out

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If the device is in airplane mode (or presumably in other situations where there’s no available network), cm.getActiveNetworkInfo() will be null, so you need to add a null check. Modified (Eddie’s solution) below: public boolean isOnline() { ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); return netInfo != null && netInfo.isConnectedOrConnecting(); } Also add … Read more

Download a file with Android, and showing the progress in a ProgressDialog

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There are many ways to download files. Following I will post most common ways; it is up to you to decide which method is better for your app. Use AsyncTask and show the download progress in a dialog ============================================================= This method will allow you to execute some background processes and update the UI at the … Read more

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