How to compare image resource in android In this video it shows how convert an image from the resource folder in the Android App's environment to Bitmap in the Android App. ic_xxxx),"content description") The resources with the given id must point to either fully rasterized images (ex. Jul 25, 2021 · Image is used to display Images. Choose Import Drawables, as shown in figure 3. AnyClass. ⭐ Get certificates for your future job⭐ Save countless hour Learn how to efficiently compare two `ImageButtons` in Android Studio to determine if they share the same drawable resource. Jun 21, 2018 · 1 You want to use : Dynamically Retrieving Resources in Android Normally, when retrieving resources (drawables, strings, what have you) in code you use the automatically generated R. " 6. In fact, it’s the most common widget that we’ll use as Android developers. The constant loading of larger than needed images can exhaust GPU caches, leading to less performant UI rendering. View class which is the subclass of Kotlin. view. setCompoundDrawables(). . In the context of Android, a resource is a file representing something that can be drawn onto the screen, a layout file for your Mar 15, 2022 · How to Add an Image to the Drawable Folder in Android Studio - Android Studio Tutorial For Beginners more Apr 27, 2016 · I want to compare both the images if they are not same then test script will fail. Select the files and folders that you want to import I now have the ImageView assigned to a variable, but the value I need to pass to the second activity is the R. Jul 21, 2025 · Select the Unused resources option to start the resource usage inspection process. I have one TextView and it have a Background image resource. drawable serve distinct purposes for displaying images. Feb 23, 2013 · I'm new to android programming, and wondered if there is a way to compare a specific picture in an imageview to a resource image to see whether they are the same? Thank you in advance! Jan 27, 2011 · I have an image res/drawable/test. #getIcon() returns Drawable not int. card_10clover. It uses "BitmapFactory. See full list on github. I am looking for solution in which the image resource on image view changes. this solution won't work since we have to initialise the tag property with resource id in design time. Easily set up the project, import necessary classes, read the images, and compare them. getDrawable(R. Use your phone's camera to search what you see in an entirely new way. Saved in res/drawable/ and accessed from the R. I definitely need to get rid of the old one before setting the new image. In Android applications, Java code calls internal project elements such as XML files, strings, numbers, images, and more. ImageView inherits the android. img_categlist); int imageid = getResou. xml file. Both conversion and comparison processes can be time and resources consuming, but we’re in Espresso test When setting the image view's drawable, also store the drawable ID in its tag with setTag(R. Mar 17, 2025 · This code retrieves the ImageView with ID "my_image_view" from the layout, then sets its image resource to "my_image. Our Visual Comparison App makes it easy to discern even the subtlest differences. de Jun 4, 2010 · It works but I noticed android stacks the new image on top of the old one (dont ask me how I found out it's not relevant for the discussion :). Dec 5, 2018 · You can not do such thing . sameAs(bitmapToCompare), but it ta How can I add an image to my Android layout? You have to copy and paste your image inside drawable directory. png. Quickly view the final versions of files in the app, such as the AndroidManifest. That’s why I’m a huge fan of using resolution independent, vector … We would like to show you a description here but the site won’t allow us. The app generates views in a SkiaSharp Canvas from large amounts of downloaded content and that content includes images downloaded from the cloud which are rendering fine (as SKBitmap from the file This tool lets you compare reference images from digital cameras side-by-side. Jul 23, 2025 · Prerequisite: Android Project folder Structure A drawable resource is a common concept for a graphic that can be drawn to the screen and which one can retrieve with APIs such as getDrawable (int) or apply to another XML resource with attributes such as android:drawable and android:icon. Jun 26, 2019 · Image(painterResource(R. Oct 14, 2015 · Remove unused Android resources to reduce APK size I’ve been programming Android applications for 2. There are several different types of drawable resources files and let's discuss all the types in a tabular 3 days ago · Working with images bookmark_border Learn how to work with images using these details: Loading images: Learn how to load an image from disk or the internet ImageBitmap versus ImageVector: Learn how to work with the two most common image formats, raster and vector. Advanced Features of ImageView Image Scaling Options May 6, 2020 · Usage of Image Resource Files in Android Studio While working with Android Studio projects, we would require many assets to be included in our application’s Activity. Second solution is you have to dynamic your resource-id name in application to match your condition. drawable. i try this : ImageView img_categlist = (ImageView) findViewById(R. You can generally acquire the An Android application that demonstrates how the different layout dimension units compare on different screen densities of devices. In conclusion, adding an ImageView to an Android Studio project is a relatively straightforward process that can be Jul 23, 2025 · Prerequisite: Android Project folder Structure A drawable resource is a common concept for a graphic that can be drawn to the screen and which one can retrieve with APIs such as getDrawable (int) or apply to another XML resource with attributes such as android:drawable and android:icon. xxx of the drawable inside of the image view. This includes, but is not limited to, bitmaps, shapes, and vectors. Set a tag with drawable id into a view and compare tags when you need that. However, I recently in my application wherein item in a ImageView a different icon next to it. Feb 10, 2025 · Color state list resource Define a color resource that changes based on the View state. Jan 27, 2022 · Handling Image resources in Android Kotlin application. This allows you to determine whether an image is set, its properties, and further manipulate it as needed. Mar 12, 2012 · how to compare two image backgrounds directly in android Asked 12 years, 11 months ago Modified 12 years, 11 months ago Viewed 3k times Apr 14, 2025 · Android Studio is the official IDE (Integrated Development Environment) for Android app development and it is based on JetBrains’ IntelliJ IDEA software. Ideal for before-and-after pictures, images, photos, and snapshots! Do you have pictures that look similar and you can't decide which one you like better? With this app you can compare two pictures in different ways to find out which one is better. Perform a side-by-side comparison of two APKs or app bundles. Nov 17, 2025 · Android has particular best practices for adding graphics to your app along with various libraries to create graphic effects or add motion. Oct 20, 2015 · An easy (but not exactly complete) way to do this is to add an appropriate content description wherever the image is being set in the application source code and then using onView(withContentDescription("Cute Picture Of Cat")); If that doesn't cut it, add the expected image in your test project and use an image comparison library to compare it with whatever you see within the bounds of the Apr 12, 2023 · Android Studio helps you add new resources and alternative resources in several ways, depending on the type of resource you want to add. Jul 15, 2025 · ImageView class or android. I want to pass this image to a function which accepts Drawable, e. To import image resources into your project, do the following: Drag your images directly onto the Resource Manager window in Android Studio. Android Studio provides many excellent features that enhance productivity when building Android apps. This topic describes the Android Studio tools and techniques to use to fix common performance Simple Brute force approach to compare two images in Android - hiteshsahu/Image-Comparision-Demo Jul 23, 2025 · Image Views are used to display images in different formats within the Android Application. button1 = (ImageButton) findViewById(R. Then use Espresso's withTagValue(equalTo(R. Dec 19, 2022 · How to open drawable folder in Android Studio? To open the drawable folder in Android Studio, right-click on the res folder and select New > Image Asset. Here, we are going to reduce and compress any image using the Android Studio. How would I go about getting this ID? Apr 1, 2020 · If you really want to compare image there is one library call RobotEyes you can use it to compare the image. mButton. ImageView is pretty straightforward once you’ve got the Learn how to effectively compare resources between two drawables in Android with step-by-step methods and code examples. The value of this is that nothing is hardcoded Jun 29, 2016 · 1. Apr 30, 2013 · I am trying to create a routine that will assign a card image to an ImageView without using something like this: R. Adding Resources to Projects When you create a project in Android Studio, you are provided with two main directories in your project for source files, java and res. So how can I convert an image resource Build AI-powered Android apps with Gemini APIs and more. Learn how to compare two images in your automation using Selenium WebDriver. g. In your case I think you would have to extract out the bitmap of imageview1, create a bitmap of R. 3 days ago · Resources in Compose Jetpack Compose is Android's recommended modern toolkit for building native UI. For more information about the capabilities, models, and configuration options of this task, see the Overview. And even do the question is old, if it still pops up in Google than posting something new in it is ok imho. ” -> With vector drawables is a bit more complicated than that because you need to create the Bitmap from the vector. Fortunately, using image comparison software can simplify the process. These instructions show you how to use the Image Embedder with Android apps. When I change the image programmatically‎, it shows new image on top of the old image which is set originally in layout file? Here is a snippet of my layout file: &lt;LinearLayout android: Jan 6, 2025 · The resource folder is the most important folder because it contains all the non-code sources like images, XML layouts, UI strings for the android application. Choose the image that you want to display in your android main xml layout and paste it inside drawable directory. Discover how Lens in the Google app can help you explore the world around you. We can display images within our Image View from the image file name, bitmap, drawable file, and the image URL as well. Sep 23, 2014 · I need to know how to check how to compare or check for an image resource on an image button First I setup the button. We have dedicated panel to deal with all of these Learn how to accurately compare and verify images using Selenium WebDriver. These images are JPEGs straight from the camera, and were taken under carefully-controlled conditions, to provide Class for accessing an application's resources. There are several different types of drawable resources files and let's discuss all the types in a tabular Jun 27, 2024 · For most cases, we recommend that you use the Glide library to fetch, decode, and display bitmaps in your app. Apr 4, 2018 · Sorry for my bad English. You can define values for some XML attributes and elements using a reference to an existing resource. This could be very frustrating in a big 3 days ago · Resources in Compose Jetpack Compose is Android's recommended modern toolkit for building native UI. In this article, we will take a look at the implementation of an ImageView in Android using Jetpack Compose. For example, if you add a Button to your layout, you should use a string resource for the button text: <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:text Learn how to successfully set an ImageView resource in Android programmatically with code snippets and troubleshooting tips. Pradeep Nailwal shares expert insights and practical tips in this comprehensive video guide. You can generally acquire the Resources instance associated with your application with getResources(). com One of the most straightforward ways to compare two photos with synchronized zoom and panning is by employing specialized applications available on the Google Play Store. You should see the image displayed in the ImageView as expected. These tutorials help us to use Image composable and modify its look in an Android application. drawable class. Nov 27, 2018 · Understanding Android’s vector image format: VectorDrawable Android devices come in all sizes, shapes and screen densities. Jun 29, 2025 · If you’re an Android developer working with Kotlin, here are practical approaches to compare two images, along with tools and libraries to implement them smoothly in your project. I want to show an image in imageview so I made a folder - drawable in res and put my image there. Sep 21, 2012 · Well if you haven't got a copy of the images you need to use in the project in HD quality, why let android rescale them to crappy quality by using the normal drawable folder. For information about using and downloading Glide, visit the Glide repository on GitHub. Alternatively, you can: Click the plus icon (+). Jun 17, 2024 · The Resource Manager tab in Android Studio helps you add and organize your images and other resources. Displaying an Image Explore how to display an image in ImageView using various methods, such as setting a drawable resource or loading an image from a URL. Understanding their differences is crucial for efficient application design and resource management. This manages and then efficiently loads the vector resources. your_drawable)) matchers to check for the correct tag. In Android development, ImageView and R. Personally, I like the second approach for performance reason but tagging bunch of views with appropriate tags is painful and time consuming. An Image composable is a UI element that displays images in your app. Moreover, ImageView is also used to control the size and movement of an image. You can use this class to access your application's resources. Nov 8, 2011 · I really don't know how to explain it otherwise, as it's quite simple. Before you learn, you should know about what are the options available in this image function. This topic describes the Android Studio tools and techniques to use to fix common performance Jan 27, 2011 · I have an image res/drawable/test. You will often do this when creating layout files, to supply strings and images for your widgets. For example, if you add a Button to your layout, you should use a string resource for the button text: <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:text When I change the image programmatically‎, it shows new image on top of the old image which is set originally in layout file? Here is a snippet of my layout file: &lt;LinearLayout android: Jan 6, 2025 · The resource folder is the most important folder because it contains all the non-code sources like images, XML layouts, UI strings for the android application. e. Like: Picture 1 (orginal) - Picture 2 (Edited) The picture is 67% equal Anyone know how to do this, i have been s earching In Android, almost everything is a resource. But i need when i click in this TextView the Android compare the current Background image resource with a one Oct 25, 2015 · EDIT: “Then it’s just a matter of create and compare the two bitmaps. It means that this method can load either an instance of BitmapPainter or VectorPainter for ImageBitmap based assets or vector based assets respectively. PNG or JPG files) or VectorDrawable xml assets. If any large resources remain in your app, consider whether it's possible to unpackage them from your app and download them as standalone files after the user starts interacting with your app. May 14, 2022 · how to compare two images, to know are they similar for 100%? I was getting path of all images from mediastore, then converted to bitmap and compared using bitmap. jpg". In my application I want to capture two images using camera and then I want to compare those images. May 23, 2017 · Android java set image Resource Asked 14 years, 1 month ago Modified 8 years, 5 months ago Viewed 34k times Feb 8, 2023 · When working on Android project, you might use a lot of resources (string, drawable, and layout) but then forget to delete them. Android is an operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen -based mobile devices such as smartphones and tablet computers. Layout resource Define the layout for your application UI. I mainly work on the KeepSafe Hide pictures app but I also built our Hide SMS app and … Oct 29, 2024 · An app has poor performance if it responds slowly, shows choppy animations, freezes, or consumes too much power. black_x if your image file is called "black_x. Jun 23, 2011 · How do I get an imageview resource name which has been set dynamically? This is the image Adapter code: public class ImageAdapter extends BaseAdapter { private Context mContext; public Mar 14, 2014 · Image comparison is a rather complicated task. Drawable resources Define various graphics with bitmaps or XML. Feb 21, 2018 · It is best practice in Android Studio to provide resources like images, strings, and dimensions, in resource directories in your project. ChatGPT helps you get answers, find inspiration, and be more productive. - GitHub - StevenByle/Android-Density-Independence-Demo: An Android application that demonstrates how the different layout dimension units compare on different screen densities of devices. 5 years. I want to know the current resource to behave based on it. ---This video is based on t Android Jetpack Compose - Image composable function is used to display image resource in Android application. This can be done using the `setImageResource` method along with the resource identifier obtained using `getIdentifier` method. My image files are all lowercase (Example: country code=US, image file=us) My code (countryCode is the current countryCode in uppercase letters): In Android, you can programmatically check the image resource of an ImageView using the methods provided by the ImageView class. setImageResource(R. In Android Studio inside the res folder, one can find the drawable folder, layout folder, mipmap folder, values folder, etc. Dec 24, 2010 · Load a drawable into memory and compare ConstantState or bitmap itself to other one. I want it to display in "%" how equal the pictures are. I noticed that when I create a new project I'm getting the following hierarchy: Mipmap folders for different DPIs, no more different DPIs drawable fol I need to open an intent to view an image as follows: Dec 29, 2018 · Re: how to compare resources in drawable It's possible do this in a simple way? if the user tap 1 time on the imageview i change to the image 2 if the user click again he return to the image 1 the typical on off but with one image December 29th, 2018, 12:16 PM #8 Norm Elite Member Compare pictures or other images to find differences between them for free! Enter two images and the difference will show up below. If there are differences between them, the tool creates a report: Figure 2. The Android resource system keeps track of all non-code assets associated with an application. How should I apply logic in image verification using selenium? Jun 9, 2023 · Right click on the Android Studio project inspector and under New, select the the file, folder or resource that you wish to create. Android has historically been developed by a consortium of developers known as the Open Handset Alliance, but its most widely used version is primarily developed by Google. As a start, I'd check out the OpenCV library, which has been ported to Android (and other platforms). Learn how to compare two images in Android and highlight their differences using effective methods and code examples. Feb 28, 2025 · Introduction In Android, ImageView is a widget used to show an image, so it’s vital for every kind of app we build. 3 days ago · To display images in your app for content and for responses to user actions, load the images from the disk or from an external source on the internet. I would prefer to use a string, but the way I'm doing it d i store image name in sqlite, i get names with a query and i need to set image resource. getBackground(); Drawable sDraw = getResources(). You can compare ids. Defining resources that you can then access in your app is an essential part of Android development. Quickly bring your app to life with less code, powerful tools, and intuitive Kotlin APIs. Fixing performance problems involves profiling your app, or identifying areas in which your app makes inefficient use of resources such as the CPU, memory, graphics, or the device battery. Saved in res/color/ and accessed from the R. Android will automatically create a reference to that image with its filename as the ID - i. Apr 12, 2024 · With the APK Analyzer, you can: View the absolute and relative size of files in the app, such as the DEX and Android resource files. Feb 10, 2025 · Definition Screenshot tests take a screenshot of a UI and compare it with a previously-approved image, called "reference" or "golden": Figure 1. Glide abstracts out most of the complexity in handling these and other tasks related to working with bitmaps and other images on Android. First Jul 23, 2025 · Images, graphics, and vectors attract many users as they provide a lot of information in a very informative way. Quickly and easily compare the two images, and see the mismatched areas! Jan 21, 2015 · I'm working with Android Studio 1. Understand the composition of DEX files. 28 I have an imageView that I want to display a little icon of the country that you are currently in. Follow our easy guide and implem Mar 18, 2025 · The MediaPipe Image Embedder task lets you convert image data into a numeric representation to accomplish ML-related image processing tasks, such as comparing the similarity of two images. Sep 21, 2024 · Efficient Resource Handling: Use of TypedValue to read resource metadata that may include changing configurations, etc. In this article, I will discuss how to manage resources in Android. Apr 13, 2014 · The app has 3 Imageviews and 1 Button in the same activity, by clicking the button, 3 images will be randomly generated from a pool of images (say 100 images in total) and displayed on the Imagevie Aug 4, 2025 · Call on material icons with Compose or use Image Asset Studio, which helps you generate your own app icons from material icons, custom images, and text strings. An Android asset is referred to as a drawable, a type of resource that is drawn on the screen. ImageView in Android is used to display different types of images, from drawables to Bitmaps. This sits on top of the asset manager of the application (accessible through getAssets()) and provides a high-level API for getting typed data from the assets. Put an image file in your /res/drawable/ folder (if there's no drawable folder, use drawable-mhdpi or similar). Feb 3, 2012 · How to compare two drawables, I am doing like this but not having any success public void MyClick(View view) { Drawable fDraw = view. The best way to keep all these “values” available to the application is to place them Oct 9, 2022 · There are a small number of images added as SVG resources to the app that are displaying at fixed locations in the app (ie defined in the XAML). id. widget. So, how can I compare two images? EDIT: Compare First image is exact as second image pixel to Whether you are a developer looking to implement image comparison in your app, or simply interested in understanding how to compare bitmap images, this post will provide you with the necessary insights and steps to do so. The image can be a profile image, graphic, or any other type of image, and it can be loaded from a res/drawable folder or an external source. Attributes of ImageView Widget Apr 29, 2010 · Android : Use Ninepatch Png Image Via File - Not From Resource? Android : How To Get Position Of ImageView Relative To Image It's Displaying? Android :: Setting An Image View Resource As Drawable Android :: Image Resource Aren't Rotated In Landscape Android :: ImageView SetImageResource - Display Image As Soon As Set Resource? The Android resource system keeps track of all non-code assets associated with an application. java to do so. Resources are used for anything from defining colors, images, layouts, menus, and string values. 3 days ago · Working with images bookmark_border Learn how to work with images using these details: Loading images: Learn how to load an image from disk or the internet ImageBitmap versus ImageVector: Learn how to work with the two most common image formats, raster and vector. It simplifies and accelerates UI development on Android. Then I use this code: ImageView iv= (ImageView)findViewById(R. Here res stands for resources and, as the name implies, contains the resources for the project. It's similar to an ImageView in the classic Android View system. A URI is a specific type of resource identifier that provides a way to identify a resource by its Oct 5, 2024 · The Use-Case: This is a usecase with Image loading in android using Jetpack compose; We have an image rendered in a container and it has to follow the size of resource being loaded in it. Code example The The App offers the following options to easily compare two similar photos: Take photos with your camera or load them from your gallery Share images and photos directly to the app to compare them Rotate the images before comparing them Resize the images to fit them to the screen Zoom into each image individually or synchronously Comparison modes: Side by Side: Show the images side by side Apr 12, 2023 · For a list of supported image types, see Image support. What is resource in URI? A resource is a specific identifiable entity that can be accessed. There are three ways to access the APK Analyzer when a project is In Android development, you often need to set an image resource for an ImageView dynamically based on a string identifier. If you're showing an image on screen, you must either reduce the resolution of the image or only load the image up to the size of your image container. Drawables can be created from lots of different things other than a Android Resource file Jun 26, 2023 · In this video, you'll learn about accessing resourcs in Android such as images, strings or colors. Testing: Finally, run your app in the emulator or on a physical device to test the ImageView. png (R. This video will give you basic idea about adding images to your Android project and also optimizing finding views in the activity. A screenshot test compares two images If the images are the same, the test passes. R. Luckily android have a built in ImageView which will let you add images on your android layout easily. Apr 6, 2013 · Android: Comparing images in a ImageButton and resource Asked 11 years, 10 months ago Modified 11 years, 10 months ago Viewed 1k times May 18, 2009 · I'm currently working on an application witch takes two images and comparing them on how equal they are. Discover how to efficiently retrieve saved images in Android using correct coding practices and utilizing image-loading libraries. In contrast, this function optimizes the resource lookup instead of reloading and parsing the vector drawable each time. These apps are designed specifically for comparison tasks and often provide a host of features to enhance the experience. test). These are considered as resources of an app. ib1); button1. An easy-to-use image comparison tool. So how can I convert an image resource Photo hunt games challenge players to spot differences between two nearly identical images. I can get the country code, but problem is I can't dynamically change the imageView resource. Overview of best image comparison software Dec 14, 2018 · Android Resources Management Posted on 14 Dec 2018 This is the ninth article of the Android Game Programming series. image_view); Jun 15, 2010 · How do I get the resource id of an image if I know its name (in Android)? No as the Android resources is just an index into static data such as strings, bitmaps, and styles which populates the appropriate data structure. red and then do the comparison between bitmaps. Application of ImageView is also in applying tints to an image in order to reuse a drawable resource and create overlays on background images. May 24, 2019 · Resources In an application we have Images, Videos, animation, colors, styles, Icons, Audio etc. Something like apple. your_drawable). Learn how to effectively incorporate strings and images into your Android XML drawable resources, using tools like Adobe Illustrator and Inkscape for SVG edi 3 days ago · Most smartphones have high resolution cameras that produce large image files. color class. While it can be fun, especially when playing with friends, it’s often difficult to find all the differences within a limited time, especially when playing solo. Jun 6, 2024 · Learn the fundamental steps to add ImageView to your Android project, including the necessary XML layout and Java/Kotlin code. right?? Nov 11, 2018 · How do I compare image file name (which is set as my ImageView image resource) with a string? I want to compare currently used image resource with defined string and if it matches then change it t Feb 18, 2018 · Well, maybe the solution would be converting Drawables to Bitmaps and comparing Bitmaps. 1 Preview 1. Jan 22, 2023 · If you want to toggle between two images based on what your imageView is actually displaying you should compare the Int resources that is displayed like that : Image img = findViewById(R. xjdn gcgqp pes csbyp amfbbyi doafl wod inycjae wvmhte ylpeswim igj nalo sgl egijtpk xyrf