Download and upload image android






















Related wikiHows How to. How to. Co-authors: 3. Updated: January 27, Categories: Android Applications. Thanks to all authors for creating a page that has been read 22, times. Is this article up to date? Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. About This Article. By signing up you are agreeing to receive emails according to our privacy policy.

Follow Us. Subscribe You're all set! Image upload is the transfer of images from one system to another, typically larger system. For example, you might upload photos from your mobile phone to your personal computer, or from a mobile application to a web server. Mobile image upload is particularly important in a world dominated by mobile web apps — there were over billion mobile apps downloaded in alone.

Users often interact with modern mobile applications by uploading images. Instagram, Facebook, and Twitter are just some examples of a slew of apps that use the power of photography to engage users. Furthermore, many apps rely on image upload for displaying user avatar images or profile pictures. The foundation of image upload functionality in these apps is a set of techniques allowing the programmatic upload of images from mobile operating systems to web servers.

Android is by far the most p opular mobile operating system, with a greater than 80 percent market share. Here are some techniques to upload images programmatically on Android. Android to PHP Server. ProgressDialog progressDialog. StorageReference ref. TaskSnapshot taskSnapshot. Main Activity containing buttons for choosing and uploading image. Main Activity with image view having image choosen from gallery.

Next User authentication using Firebase in Android. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? JaydevKalivarapu please check the demo app on GitHub source class containing example — Droidman. Show 2 more comments. JPEG, 90, out ; out. Venkat Kotra 9, 3 3 gold badges 42 42 silver badges 49 49 bronze badges. Nasz Njoka Sr.

Note : while this example could generally work, it does not provide any error handling and also lacks some basic understanding of AsyncTask 's advantages proper use of parametrization, parallel execution.. Please refer to my examples below for details. Yes Droidman, I agree with you. This piece of code should be taken as a tamplate and one has to complete it on his own, including error handling.

By the way, your code lacks error handling too. What will happened to your connection and streams in case of IOException? Androider please take a closer look at my download method, particularly the doInBackground method of the task that I use.

An IOException would land in the catch Throwable e block, resulting in an ImageError being returned and the onError callback being triggered. The ImageError object will contain the original stack trace and the cause of the occurred Exception — Droidman.

Yes, but your connection will not be disconnected and your streams will not be closed — Androider. Androider ah, I see your point. Though I never noticed any suspicious leaks on my test devices, this behavior might be different on other devices.

Thanks for the hint - I have updated the code — Droidman. Show 1 more comment. Request downloadUri ; request. No, really. DarkCygnus 6, 3 3 gold badges 34 34 silver badges 53 53 bronze badges. Your code work perfect for one image! I get a message saying file damaged! How do we know whether it is downloaded successfully or failed — Prabs.

Ajay Ajay 1, 11 11 silver badges 28 28 bronze badges. Here are the steps to follow: 1. PNG, , foStream ; foStream. If you want further steps such as load the image you can follow these extra steps: 4. To get the image full path by image name. Check if the image file exists.

Note that the above approach of saving the image on app's private storage has 2 downsides: 1 the image will be only available to your app and 2 you should avoid saving images to app's private storage since it's not intended for large content.

Community Bot 1 1 1 silver badge. Sunil Sunil 3, 1 1 gold badge 27 27 silver badges 39 39 bronze badges. Shahzad Afridi Shahzad Afridi 1, 20 20 silver badges 22 22 bronze badges. JPEG, 80, ostream ; ostream. Request uri ; request. Nisha Jain Nisha Jain 31 3 3 bronze badges. Ludo Ludo 10 10 silver badges 24 24 bronze badges.

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