Download web file from android






















It is bad practice to perform network operations on the main thread, which is why you are seeing the NetworkOnMainThreadException. It is prevented by the policy. If you really must do it for testing, put the following in your OnCreate:. Please remember that is is very bad practice to do this, and should ideally move your network code to an AsyncTask or a Thread. More info about AsyncTask on Android documentation. Run these codes in thread or AsyncTask.

Here is the code help you to download file from server at the same time you can see the progress of downloading on your status bar. Here i create an asynchronous task to download file. Note: If you want code with import package then Click Here. Now Step 2: You need to call above ayncronous task on your click event.

To call AsyncTask use below code:. Note: Here You can see filename variable in file parameter. This is the name which i use to save my downloaded file in local device. When you click on download button, first you have to create local storage path where you want to save it, we should put download file functionality into ExecutorService that is used instead of AsyncTask because AsyncTask is deprecated.

Starting from api level 11 or Honeycomb doing network operations on main thread is forbidden. Use thread or asynctask. 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. Android - How to download a file from a webserver Ask Question.

Asked 8 years, 7 months ago. Active 2 months ago. Viewed k times. DataInputStream; import java. File; import java. FileOutputStream; import java. IOException; import java. InputStream; import java. MalformedURLException; import java. URL; import android. Activity; import android. Bundle; import android. Environment; import android.

Log; import android. BufferedInputStream; import java. OutputStream; import java. URL; import java. URLConnection; import android. Dialog; import android. ProgressDialog; import android. AsyncTask; import android. Please wait Iam4fun Iam4fun 1, 3 3 gold badges 13 13 silver badges 18 18 bronze badges. Do NOT perform network related operation on main thread. Create a separate thread for downloading the file.

You do not need to call conection. Add a comment. Active Oldest Votes. Brokkoli 71 8 8 bronze badges. Nirav Ranpara Nirav Ranpara This example has a problem. When the codes run at line where getContentLength a request will be sent with url and then later again at line of url. Show 1 more comment. This is the same realization as defined in InputStream. N connection. Vlad Vlad 6, 2 2 gold badges 45 45 silver badges 42 42 bronze badges. There are also many third-party file managers available in the Google Play store to download.

Most file managers allow you to sort items by name and modified date or recent. You can then sort accordingly and locate your downloaded files. You may have downloaded a file recently, using your Chrome browser. But for some reason, you may have deleted it by accident. However, you can recover the file using Chrome Browser as it remembers your downloads.

Any deleted download file can be redownloaded using the Chrome Browser with just a click. This menu will display all the downloads, and you can even re-download the file just by tapping on the downloaded file. Due to various reasons, your downloaded files may have been deleted or hidden by third-party software. If you have installed software that cleans up your storage, there are slim chances that you may end up losing valuable files in the process. Using D-Back for Android , you can recover these files with ease.

D-Back is a software that can help you access and recover lost or deleted files. Also, it can help you regain access to your data if your phone gets broken. Deeply scans your device for the missing downloaded files, helps you find and access them with ease. Helps you to view and recover files of various types, such as messages, video, audio files, and even WhatsApp attachments. You're able to view and recover permanently deleted downloaded files with D-Back Android.

It has a preview function that allows you to view the files before recovery. Download Now. Enter your Android into download mode. Choose the file types that you want to recover and hit "Next ". The application will now scan for the choosen file types. It will display all the files from your Android device after the scan.



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