How to download image from android phone






















Volley works good with small data of few kbytes. When I tried to use the 'BasicImageDownloader. I used Volley in another test app and that kept crashing because of leaks so I am worried about using Volley for the image downloader images can be few kB. I used Picasso and it worked well, there is small change probably an update on Picasso from what is posted above. Below code worked for me:. As Google tells, for now, don't forget to add also readable on external storage in the manifest :.

How are we doing? Please help us improve Stack Overflow. Take our short survey. 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. How to download and save an image in Android Ask Question. Asked 8 years, 8 months ago. Active 2 months ago. Viewed k times. How do you download and save an image from a given url in Android? Lance Roberts Droidman Droidman Add a comment. Active Oldest Votes. Edit as of Just displaying an image using Picasso is as simple as: Picasso.

It uses its own ImageLoader that once initialized has a global instance which can be used to download images in a single line of code: ImageLoader. I have included examples for progressive JPEG's and animated images into the sample project. Conclusion - "I have learned about the great stuff, what should I use now? If your app saves images or other files as a result of a user or an automated action and you don't need the images to be displayed often, use the Android DownloadManager.

And here's the BasicImageDownloader. Bitmap; import android. BitmapFactory; import android. AsyncTask; import android. NonNull; import android. Log; import java. BufferedInputStream; import java. ByteArrayOutputStream; import java. File; import java. FileOutputStream; import java. IOException; import java. InputStream; import java.

URL; import java. URLConnection; import java. HashSet; import java. The URL is probably not pointing to a file". What about the onPictureTaken callback which gives the picture as byte[], can one get a URL to that picture, straight from the camera? Or is basic old outputStream the only way in Android to save a picture which was taken by a camera without using the built in intent?

That seems strange, because the natural thing to do after onPictureTaken is of course to save it. Is there no particular support for doing that?

Tombola Hi! This post is about downloading a picture from the web. But to answer your question as far as I've understood it : the common way of saving a camera picture is getting its path from the Cursor in the onActivityResult method , then creating a Bitmap using that path.

BartBurg this question is about downloading and saving an image. But you're right at some point, since there's a write method, there also should be a read method for the sake of completeness. I will add it in the next update to this post soon. Can you please provide an example using this BasicImageDownloader? 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. You'll arrive in a basic app that lets you scroll through a list of installed wallpapers at the bottom of your screen.

The main body of the screen will change to display your selected wallpaper. Take a look through, and see if anything interests you. If you'd prefer something more custom, choose My photos in the same list. It should be at the very beginning. Your phone will switch over to your file browser. Use the three stacked lines in the upper left of your screen to open the menu.

Select Images at the top of the menu. Now, you'll see a list of potential image locations to browse. If you know where your background image is stored, browse to it. Tap on the thumbnail of your image when you find it. Your phone will return you to that original Wallpapers screen.

Your chosen image will be at the front of your wallpaper list and selected. To make the change stick, press Set wallpaper in the upper left of your screen. This only works on more recent Android devices, but the number is growing pretty rapidly, and should probably include your phone. Long-press on your existing wallpaper on your home screen. Long-press means you hold your finger down until you feel a feedback vibration.

Browse the existing choices of wallpaper and live wallpapers at the bottom of the screen or tap My Photos to choose a photo from your gallery. Live wallpapers no longer look any different than standard wallpapers from a browsing perspective, but the final wallpaper will be interactive. Once you set your wallpaper, you will be brought back to the main screen where you will be able to admire the new, customized look of your Android smartphone's appearance.

Go through the same steps anytime you want to change the look again. To find a practically unlimited number of wallpapers, do a search on the Google Play for wallpapers. There are several free apps available for download that will give you access to thousands of free wallpapers. If you'd prefer to get your wallpapers more directly, you can always download your own images directly on your phone or get them on your PC and transfer them to your phone over a USB cable.

All the wallpaper images in this guide come from Unsplash. You can get high resolution images there completely free of charge. Android screens are becoming higher resolution with each release, requiring equally high-res images to look crisp and clear. That might be something to consider in choosing where to get your next wallpaper from.

In this tutorial, we will cover the steps to transfer photos from Android to PC. We are hugely dependent on our phones and hardly ever leave our house without this handy device.

The best thing about mobile devices is the ready availability of cameras. We do not need to carry bulky cameras to capture pictures anymore; you can just flick out your phone and click a photo! This is essential for two main reasons. Firstly, there is only a limited amount of space in our Android phones before its memory starts getting blocked. Secondly, it is a security risk to have precious photos stored only on the phone memory.

If you are wondering how do I transfer photos from Android to PC, you are at the right place. Let us have a look at how we can transfer photos from Android devices to our PC with these easy and simple methods. Android operating system has a seamless integration and access system to your computer! All you have to do is plug your phone into your USB cable, connect it to your computer and follow these simple steps:. Step 1: Once the phone is linked to the computer through a USB cable, find the external hard drive for the Android device in the file manager and open it.

On opening the folder, there are two options on most occasions — camera and screenshots. Open them by double clicking them to access your photos and screenshots. Step 3: Once the required photos have been found in the folder, select them, copy them and paste them into a folder on the computer. These three simple steps are highly effective and fuss-free ways to transfer photos from Android to PC file system for safeguarding or future viewing. There are a number of wonderful apps available these days that make it quick and easy to transfer photos from Android phone to a PC.

Google Drive and Google Photos are amazing apps for backing up all your photos and accessing them via PC at any place or time. A lot of Android phones also have these apps pre-loaded in them.

Step 2: Open Google Drive.



0コメント

  • 1000 / 1000