Android image button downloads

Facebook 0. Twitter 0. Pinterest 0. Mail 0. What's in this blog? Android Image Button with Text. Leave a Reply Cancel reply You must be logged in to post a comment. You May Also Like What's in this blog? Below is the example code in which we set the source of an image button. Make sure you have saved an image in drawable folder name home before using below code. We can also set the source image at run time programmatically in java class. For that we use setImageResource function as shown in below example code.

We can set a color or a drawable in the background of a Button. Below is the example code in which we set the black color for the background and an home image as the source of the image button. Below is the example code in which we set the black background color of a image button programmatically means in java class.

In the below example of ImageButton we display two custom image buttons with source and background. 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.

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