android:layout_height="fill_parent". After a long research I know I can do this with Canvas, imageviews and Bitmaps. FIT_CENTER). Here newWidth and newHeight are the dimensions to which to which you want set the imageview on click. Application of ImageView is also in applying tints to an image in order to reuse a drawable resource and create overlays on background images. Just catch the event of touching this ImageView and than just adjust height & weight : touched_image_view. android:layout_height="wrap_content". width += 20; Or you can just create and set new LayoutParams : Oct 9, 2013 · You need to wait for activity window to attached and then call getWidth() and getHeight() on ImageView. I have problem when I try to display the image with full size. android:id="@+id/img". I've not yet decided on whether I'll get them to read the new dimensions from the Drawable or if I will just have an array/enum storing the heights of these, but what I need help with is the actual changing of the ImageView size. In this case, we tell the ImageView to center and scale the image so it fits inside the size we specified. The problem I had is image was getting displayed, but with block row on top and black row on bottom of image. Jan 5, 2018 · 1- Open up Android Studio and create a new project and give it a name, in our case we’ve named it (ImageZoom), choose API 16 as the minimum SDK, then choose a blank activity, click “Finish” and wait for Android Studio to build your project. Strangely android:layout_height="fill_parent" and android:adjustViewBounds="true" didn't help. Mar 4, 2019 · I'm working with an ImageView and I want to resize it programmatically passing (for example) from a full-screen ImageView to a 50x50. Mar 4, 2014 · 9. I assume you know about app widgets size rules. Aug 4, 2022 · ImageView class or android. setImageBitmap(bImage); Of course, this technique is only useful if you need to change the image. xml. Example Jan 11, 2013 · 33. We also had set scaleType to fitXY. setScaleType(ImageView. 9. I want to scale the image to the width of the screen and adjust the height of the ImageView to reflect the proportionally correct height of the image. Feb 23, 2018 · I have created an ImageView and Button and would like to reduce the imageView size once the button has been clicked or pressed and set the ImageView back to default. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. So Height= 1/2 Screen H 3. I want to create a widget (not an app) which displays a chart. decodeFile("pathToImageFile")); If you want to display an image from your drawable resources, do this: private ImageView mImageView; May 25, 2011 · Check out the setMaxWidth and setMaxHeight -methods of the ImageView-class: To set an image to be a maximum of 100 x 100 while preserving the original aspect ratio, do the following: 1) set adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width layout params to WRAP_CONTENT. A couple of view holders have image views which I pass into Glide to display images. ScaleType. My xml layouts looks like this: mainlayout. Feb 20, 2017 · Say if the image size is 512x512 then the ImageView should be in square shape and aligned center of the screen. getLayoutParams(); params. 1. 77777777778 or more simply put 1. scaleType="fitCenter" (default when omitted) will make it as wide as the parent allows and up/down-scale as needed keeping aspect ratio. I have tried ScaleType, to scale the image. For example, a tiny 50x50 image on a 400 px width screen would scale the image up to 400x400 px. I guess, the reason being my image size was small. To insert an image, simply copy the image and then right click on drawable → Paste. 5x. android:scaleX="-1". To set the bounds of the ImageView to the height of the image inside, use android:adjustViewBounds="true” in your XML. leftMargin, marginParams. Let’s have a look at what fitXY does. getDrawable()). banner); ImageView imgV = new ImageView(this); imgV. MaxWidth and MaxHeight is . android:scaleType="centerInside". android:layout_width="wrap_content". CENTER_CROP); I have an HorizontalScrollView with 2 Imageview. Bitmap bitmap = ((BitmapDrawable)imgv. android:clickable="true" />. <ImageView android:layout_width="90px" android:layout_height="60px" android:scaleType="fitXY" /> Jul 22, 2022 · ImageView class or android. <ImageView. Feb 8, 2021 · <ImageView android:id="@+id/logo" android: So, the image will be put inside the ImageView irrespective of the size of the image and no cropping of the image will be performed. through the bounds, you can compute the width and height of the Bitmap drawn in ImageView. The image will have to be half of the screen height, because otherwise it overlaps some text. I can load the images and show placeholder by using Glide: XML: <android. ImageView1)). google. This should work as expected. setMinimumHeight(0); And then : imageView. ScaleType Oct 27, 2017 · User have to press the button of resizing and imageView begins to be scalable; user can change position of imageView ; I think it have to be like instagram stickers or something like that. Or to center inside the parent: But it sounds like you are trying to center the actual source image inside the imageview itself, which I am not sure on. Thank you Nitesh. If you want to display an image file on the phone, you can do this: private ImageView mImageView; mImageView = (ImageView) findViewById(R. How to set an xml image Jul 31, 2019 · This example demonstrates about How can I set an ImageView's width and height programmatically in Android. centerInside () - centerInside. SRC is the picture content (foreground), BG is the background, can be used at the same time. width = 30; layoutParams. width = 168dp? ImageView Code: The aim is to leave the Buttons as they are, but to change the ImageView sizes dynamically. So, your ImageView in layout. 2)pass url in intent. LayoutParams) imageView. I also added some text below the images. setImageBitmap(BitmapFactory. android:layout_width="match_parent". Tools and workflow. call on onWindowFocusChanged like this way. android. The problem is, when the recycler view starts recycling views, the imageview width/height are that of the recycled view they then display the image incorrectly. float dpCalculation = getResources(). AnyClass. decodeResource(this. Create new Android Studio project. Put your ImageView in a LinerLayout and set layout_width and layout_height of ImageView to "fill_parent". How can I change the size of an ImageView in a Widget? For now, the ImageViews are created with the size set in the xml file. Add this to your code: // We need to adjust the height if the width of the bitmap is. ImageView ( android. If image height is larger than width then ScaleTypes fitStart, fitEnd and fitCenter don't work. Aug 21, 2019 · If you are developing (creating layout, resources) in an hdpi device then put the current image in hdpi folder. setLayoutParams(layoutParams); and if you still have a problem to change it's size try to put it inside of a LinearLayout and manipulate the imageView size using the layout params: Dec 21, 2017 · picasso fit (). May 20, 2020 · I have reviewed many posts about determining size of images loaded with Glide into an Android ImageView, but they all seem to either refer to the ImageView size, or the original size of the source image. android:scaleType="fitCenter". material. ImageView. getWidth(); Jan 28, 2013 · I've run into this before, the issue is that when the image needs to be scaled up (screen width is larger than the image), Android won't scale the image beyond its given size. ScaleType this will come in handy. android:minWidth="250px". Application of ImageView is also in applying tints to an image in order to reuse a drawable resource and create overlays on background images. Sasa. You should use RelativeLayout instead. android:layout_height="18dp". LayoutParams params = (RelativeLayout. layout_width = match_parent. Drawable drawable = ImageView. Is there a way to do that? Different from the one you suggested me to see because I don't need to fit the image in the ImageView but to resize the dimension of the ImageView. v7. 11. setMargins(marginParams. //Makesure you calculate the density pixel and multiply it with the size of width/height. getBounds(Rect rect) method. However, scaling down works just fine. getLayoutParams(). HDPI - 1. Sep 13, 2012 · ImageView's height needs to change, either bigger or smaller based on the aspect ratio of the. Dec 21, 2012 · I have an image view with an image that is smaller than the view. Here is the code for this: <ImageView android:adjustViewBounds="true" android:scaleType="centerInside" android:layout_width="match_parent" android:layout_height="wrap_content" android:src="@drawable/adi"/>. width = (int) (150 * dpCalculation); Jul 11, 2011 · Please follow the below class, that is used for Zoom in and Zoom Out for ImageView. my_image); imageView. drawable. getDrawable() method to get the reference of the BitmapDrawable, and get the Bounds by invoke Drawable. Android ImageView dynamic width and So I need to change the size of an image depending on the area of the screen. com. adjustViewBound removes the whitespace and scales image whilst maintaining the aspect ratio. 4. xml can be defined like blow: android:scaleType="fitCenter Apr 18, 2016 · Cells for each ImageView are set to be equally sized by width and height. You can use this scale chart: LDPI - 0. Read more about the Percent Support Library here. Is this possible and if so how would I be able to achieve this and set the LayoutParams. findViewById(R. LayoutParams. LayoutParams layoutParams = myImageView. This how I do it on android studio. Jul 16, 2015 · Limit size of Android. But i find only how to scale image inside ImageView and how to set a new value to imageView width and hieght, but i dont understand how to make it dynamically. Then, set the. edited Jun 1, 2012 at 4:45. How to resize ImageView by java code for Android. android:id="@+id/myImage". ImageView. I would like that if the picture is too big (width and/or height) to fit, it will be cropped t Oct 22, 2015 · 11. To keep the aspect ratio of your image loaded into the inside of the layout bounds of your ImageView, you can set android:scaleType to fitCenter. android:maxWidth="250px". ImageView size and scale Description. ImageView in android. Ahmed Kamal. 0. Excess height is cropped, can't have a lot of empty space like it is by default. In this step we create a new project in android studio by filling all the necessary details of the app like app name, package name, api versions etc. To match the height of TextView, set match_parent to android:layout_height for ImageView which will help the ImageView to take the height of TextView. Background work. The image source can be set in XML file ( layout folder) or by programatically in Java code. The scaleType is really only necessary in this case if the image exceeds the size of the ImageView. Feb 28, 2013 · So you can invoke ImageView. I read that this might be because of the compatibility mode (developing for 1. – Jarvis Commented Jan 8, 2014 at 3:47 This folder can be found under app → res → drawable. Maximum width and height for ImageView in Android. Feb 3, 2011 · 0. The difference between XML attribute src and background in ImageView: The background will stretch according to the length given by the ImageView component, and SRC will hold the size of the original image without stretching. Hot Network Questions Line from Song KÄMPFERHERZ Book that I read around 1975, where the main character is a retired Feb 1, 2013 · Right now I just have a drawable set as the android:src of the ImageView in the XML. <uses-sdk android:minSdkVersion="3" android:targetSdkVersion="4" />. answered May 12, 2018 at 17:42. Mar 18, 2011 · 12. private static final String TAG = "Touch"; @SuppressWarnings("unused") private static final float MIN_ZOOM = 1f,MAX_ZOOM = 1f; // These matrices will be used to scale points of the image. May 12, 2018 · Second Solution : Second Solution. You will get to know what it does to give you that size. getLayoutParams(); Now just change the margin you want to change but leave the others as they are: marginParams. any_class. imageView. I want to achieve the following behavior: set maxSize - maximum width and height of an image. It will not respect the aspect ratio of the image and fill the image to your imageview without maintaining the original aspect ratio of the image. LayoutParams(int width, int height, int x, int y) layout Parameter object with the preferred x and y and set it to your fpLight image by. scaleType="centerInside". The canvas which I paint on should be the same as the Widget Size. Apr 2, 2012 · If you don't want to change size: set your ImageView scaleType to "matrix". Here's what I did until now, it seems to be ok except the height, that is "static": imageView = new ImageView(context); imageView. Android, Change Image size in ImageView. Step 3 − Add the following code to src Sep 25, 2015 · Actually I am using Relative layout for image view. So I have an ImageView set with. com Note that this view could be still smaller than 100 x 100 using this approach if the original image is small. Our Layout in XML should contain an android:id as android:id="@+id/myLayout" . // TODO Auto-generated method stub. Step 3 − Add the following code to Jun 29, 2010 · In order to set the ImageView and Height Programatically, you can do. imageview Classes. Identity. ImageView inherits the android. and in your java class setonclicklistener on this imageview and inside onclick change the size of the imageview by setting layout params. Sep 17, 2012 · 21. Jul 15, 2016 · While I try to get image dimensions in pixels in an ImageView, I found that its width is 3 times more than the original jpg file width. Yeah, you can scale down the ImageView at the height relative to the TextView. setLayoutParams(param); AbsoluteLayout is Deprecated. ImageView not keeping max height and width. Scale type of images are "fitXY". You may also want different scaleTypes. centerInside () - but it will work only in this case. As a calculation rule you should define the size of the widget with the formula: ((Number of columns / rows)* 74) - 2. 3. The thing I need is can I change the image size dynamically for a Nov 8, 2016 · In this case the ImageView will expand vertically, to it's maximum width (like android:layout_width="match_parent" ) And (2) you need to set the aspect ratio in percentage (hence the name of the library) which is in this case 178% (16/9 = 1. You have to scale your images accordingly. Matrix matrix = new Matrix(); So I'm loading images from a web service, but the size of the images are sometimes smaller or bigger than other images and the visualization looks silly when I put them in a ListView in android. Share Sep 7, 2012 · Change the size of an Imageview in android. getDrawable(); //you should call after the bitmap drawn. scaleType = crop out all the white empty spaces. The image cat is a small image and it will be zoomed in to fit the ImageView, and keep the width/height ratio at the same time. answered Sep 30, 2020 at 12:22. LayoutParams param = new AbsoluteLayout. In both cases, the image is not resized to fit inside the imageview, it just Jan 13, 2011 · I think you can let the Android OS take care of this for you. Sep 23, 2014 · The size of the imageview is correct. 80. topMargin, Sep 17, 2020 · Images Size Type. Moreover, ImageView is also used to control the size and movement of an image. setMinHeight(0); imageView. Mar 2, 2013 · android. fmag. Oct 25, 2017 · Step 1: Create a new project and name it ImageViewExample. android:src="@drawable/cat"/>. Some effects, discussed in this topic, can be applied to the image. 2. Dec 7, 2019 · I am working on an app which displays an image in the center. codepath. android:maxHeight="100px". I'd like to fix the size of my ImageView so that it only shows a portion of the image if it's larger than a preset amount. But it is smaller real image. getResources(), R. . adjustViewBounds = will fit the image according to the ratio. Jun 11, 2014 · android:src="@drawable/picture". Jan 9, 2014 · The other option is to change your View bounds. answered Aug 5, 2019 at 15:38. If you want to match size of your image to your view ,you can scale your image yourself or you can look glide library to do that for you . Feb 8, 2021 · Get one of our Figma kits for Android, Material Design, or Wear OS, and start designing your app's UI today. e. AppCompatImageView. 75x. Try cleaning off everything Feb 24, 2014 · I would like the ImageView to fit the parent width, and to adapt it's size to keep the aspect ratio. Data and files. picasso fit (). width = 1200; Apr 13, 2011 · I would like to be able to alter the size of some of my ImageViews based on what Drawable they are showing. I have a recycler view with different View Holders. I tried to display image with wrap_content. This autoscales the image to fit the screen width. In your comments above, it sounds like the bounds might change, so you would have to repeat this each time you loaded a new image of different size: RelativeLayout. changing image of imageview dynamically. 18. See full list on guides. A 800x200 image would scale to 400x100. main); RelativeLayout banner = (RelativeLayout) findViewById(R. When cells are smaller than maxSize ImageView behave just like with Jan 12, 2013 · I found this Android Widget Tutorial, where under the section Widget Size, the author says: A Widget will take a certain amount of cells on the homescreen. Notice the ImageView used fill_parent for width and height. The xml code of the ImageView is below <ImageView android:id="@+id/e_sym" android:layout_width="300px" android:layout_h For example, Image A has 500x330 size, Image B has 500x700 size and so on. MarginLayoutParams marginParams = (MarginLayoutParams) myImageView. 4)Get the url from intent and set that image. For this the User gets to set an icon Size, which is stored in a SharedPreference as an Integer iconSize. May 11, 2020 · You can set your ImageView 's layout size by specifying android:layout_width and android:layout_height. support. The following XML not only specifies the source of the image file but also sets the maximum dimensions of the image on the screen and define what to do if the image is larger than our maximum size. imageViewId); mImageView. view. ImageView) is a View for displaying and manipulating image resources, such as Drawables and Bitmaps. will center the image horizontally. Get MarginLayoutParameters of your image view in this case: myImageView. getLayoutParams(); layoutParams. and more combination with android:adjustViewBounds scaleTypes etc. According to the docs, the greater of the two values is used, so both must be set. 78:1 or 178%). if the intrinsic width of src is smaller than parent width. In all case the width should match parent but height should adjust accordingly. Oct 4, 2010 · initialHeight = this. To set an image to a fixed size, specify that size in the layout params and then use setScaleType(android. If you want to change size but keep aspect ratio: set your ImageView scaleType to "fitCenter" (or "fitStart", "fitEnd") To change in code: ImageView image; image = (ImageView)findViewById(R. Step 2 − Add the following code to res/layout/activity_main. ImageView has property of scaling. Try as follows android:layout_width="wrap_content". yourImageView1); Apr 7, 2010 · 37. layout. We are trying to say that we want to resize our logos to always have an 18dp height and then use whatever width they need. getMeasuredHeight(); And do take a look at the documentation of the methods like: getWidht(), getHeight(), getMeasuredWidth(), getMeasuredHeight(), etc. id. You can also do this programatically by setting ImageView. As in the picture choose : create layout-xlarge variation, and it will make a new layout for XLarge screens, repeat this step for each size and make your own layout for each size (in your case, you will change dimensions only) Good Luck. everything has been measured already) and from here you can get the scaled measurements from the ImageView. Here is my XML : And the code : super. May 27, 2012 · Hi i'm working on an application that will be loading images and i'm looking to scale each image to it's largest possible size for instance if the image is a landscape image (if width is larger than 10. Link. If you notice with CENTER_INSIDE, FIT_CENTER, FIT_END and FIT_START the actual bounds of the ImageView are much larger than the scaled image. A cell is usually used to display the icon of one application. height += 20; touched_image_view. setText("Height: " + finalHeight + " Width: " + finalWidth); return true; The ViewTreeObserver will let you monitor the layout just prior to drawing it (i. getDisplayMetrics(). Try this android:scaleType="fitXY" and let me know. FIT_XY); This worked for me to fit the image inside the whole image view, plus it make sense that it says "ScaleType. Select File -> New -> New Project and Fill the forms and click "Finish" button. ViewGroup. Then change LinearLayout's width and height. I want to achieve something like this: Resized correctly - in this case, I've used picasso: . For supporting different devices, scale the size and resolution of the image up/down and put them in correct folder. Here is my ImageView: android:id="@+id/image". Mar 17, 2012 · You can do it in a different way. EDIT: If you want actual width and height of the image being loaded into the imageView. android:scaleType="fitXY". Setting scale type to "centerCrop" helped me. <ImageView android:layout_width="fill_parent" android:layout_height="wrap_content" /> Feb 9, 2016 · finalWidth = iv. if u want to rotate an image by 180 degrees then put these two value in imageview tag:-. Currently all images resize depending on screen size and often are upscaled. I need to be able to find out what the resulting BOUNDS is of the drawable INSIDE the ImageView. Write and debug code. Jan 24, 2012 · 1. density; your_imageview. Prepare LayoutParams . adjustViewBounds (true) and ImageView. MDPI - Original size // means 1. You can try calling getWidth() and getHeight() from onWindowFocusChanged() method of your activity. This image view is for receiving images from the internet to the application. Now I want to know the width and height of the generated image each time. layout_height = warp_content. Jun 28, 2014 · 1)Switch on other activity when click on image. From the xml file it would be: android:scaleType="fitXY". 0x here. Apr 30, 2020 · Set ImageView's width to fill white space (keeping aspect ratio) inside RecyclerView with GridLayoutManager 13 ConstraintLayout: Unable to scale image to fit a ratio in RecyclerView Apr 12, 2012 · You either need to set android:height = "wrap_content" on your outer container, or set static height of TextBox and give ImageView android:weight = "1" so that the ImageView takes remaining space in container. ScaleType) to determine how to fit the image within the bounds. I ended up creating the AspectRatioImageView mentioned below, works well. We need to instantiate ImageView in our Activity. Permissions. Use the IDE to write and build your app, or create your own pipeline. All core areas ⤵️. onCreate(savedInstanceState); setContentView(R. You should use: AbsoluteLayout. View class which is the subclass of Kotlin. Feb 23, 2011 · ImageView imageView = new ImageView(this); Bitmap bImage = BitmapFactory. Aug 6, 2013 · android:scaleType="fitCenter" />. Mbt925. The HorizontalScrollView is embedded in a ScrollView. 5, testing on 2. YOu can achieve the same result in Java file Nov 2, 2018 · Below is part of the code from our ImageView. widget. fpLight. Android change imageview size dynamically by image size. How to fit an image of random size to an ImageView? When: Initially ImageView dimensions are 250dp * 250dp; The image's larger dimension should be scaled up/down to 250dp; The image should keep its aspect ratio Aug 25, 2016 · While not technically an ImageView. 1), but then I added. Mar 26, 2010 · If you want an ImageView that both scales up and down while keeping the proper aspect ratio, add this to your XML: android:adjustViewBounds="true". The code is simple: <ImageView android:layout_width="fill_parent". centerCrop () - centerCrop. To fully illustrated them, I have to use there are 4 types of images Android ImageView AdjustViewBounds Demystified. xml <LinearLayout xmlns:android="h Apr 25, 2012 · Resolved by firstly setting : imageView. resize (2000,500). Explanation:- scaleX = 1 and scaleY = 1 repesent it's normal state but if we put -1 on scaleX/scaleY property then it will be rotated by 180 degrees. Assign image to ImageView by setImageResource() . how to resize an ImageView Programmatically. android:scaleY="-1". MATCH_PARENT; setMinHeight is defined by ImageView, while setMinimumHeight is defined by View. 3)Take imageview on that Activity and set above property of imageview. Jul 29, 2014 · Android ImageView Fixing Image Size. Changing Aug 21, 2012 · I download image and set it as a screen background dynamically using Imageview. I put a jpg file which dimensions are 800 x 600, but the code below displays 2400 as its width. answered Aug 25, 2013 at 8:07. Feb 27, 2012 · I am a programmer with a Windows background and I am new to Java and Android stuff. 32 3. height = 30; myImageView. One of the ways to do it is by setting android:adjustViewBounds="true" to the ImageView and set the scale type to "fitCenter" in the xml file. getMeasuredWidth(); tv. So i have an ImageLoader, then an Adapter then my Activity. This image view is used to show a picture that is obtained from the gallery or camera. Apr 4, 2013 · I have a horizontal list of images loaded from a url. setImageResource(0); now this will delete the image from your image view, because it has set the resources value to zero. You can center the ImageView itself by using: android:layout_centerVertical="true" or android:layout_centerHorizontal="true" For vertical or horizontal. getBitmap(); float fwidth = bitmap. If the image size is something like 1024x800 then the ImageView size should be in horizontal rectangle shape and aligned center of the screen. Glide is a very useful library when it comes to image in android May 12, 2013 · I can set correctly the width with WRAP_CONTENT and scaleType = CENTER_CROP, but I don't know how to set the ImageView's size to be a square. Aug 21, 2015 · To use ImageView programmatically, we need to consider below points. height= ViewGroup. FIT_XY" to fit the X and Y axis of the imageView. Put this in the xml: android:adjustViewBounds="true". android:scaleType="centerCrop". <ImageView android:layout_width="wrap_content" Nov 8, 2011 · 71. Deduce the logic of ImageView with AdjustViewBounds Jan 8, 2014 · u'll get the width and height only after adding image to the imageview (if u've set wrapcontent for width and height to imageview in xml). Aug 17, 2016 · In my code I have an Image View in my XML layout and I keep changing the source image for this in my code. Set the scale type on the ImageView to fitXY and the image it displays will be sized to fit the current size of the view. Following is the code which we need to add into the layout XML file to add an ImageView to our app screen. Jul 3, 2020 · This example demonstrates how do I get the height and width of the android. android:minHeight="100px". How to change the width of an Android ImageView in XML keeping aspect ratio? 0. background="#ffffff Jun 4, 2010 · is used for setting image in the current image view, but if want to delete this image then you can use this code like: ((ImageView) v. Jan 29, 2013 · Android reduce size of icon inside image view. 48. setScaleType (ScaleType. answered Mar 17, 2012 at 16:08. I am using a placeholder image with 500x400 size. 5. fztfjmhwqtejqisuxhga