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This view takes care of the loading and optimizing of the image, freeing you to focus on app-specific details like the layout and content. In this guide, we will take a look at how to use an ImageView, how to manipulate bitmaps, learn about the different density folders and more.
7 paź 2021 · In this guide, we will take a look at how to use an ImageView, how to manipulate bitmaps, learn about the different density folders and more. Usage At the simplest level, an ImageView is simply a view you embed within an XML layout that is used to display an image (or any drawable) on the screen.
Extensive Open-Source Guides for Android Developers - Home · codepath/android_guides Wiki
Extensive Open-Source Guides for Android Developers - Working with the ImageView · codepath/android_guides Wiki
ImageView image = (ImageView) findViewById(R.id.imagePreview); try { image.setImageBitmap(decodeSampledBitmap(picFilename)); } catch (Exception e) { e.printStackTrace(); } Here the methods:
Displaying images is easiest using a third party library such as Picasso from Square which will download and cache remote images and abstract the complexity behind an easy to use DSL. Before Using Picasso , do not forget to add internet permission in the manifest file .
In short, if you want to control the scale or stretch type of an image, you must use an ImageView that is "match_parent" for both width and height of the parent container. My image isn't loading and I am seeing a memory error instead in the logs. This probably means that the drawable image being used is a large resolution.
