Have a look at the following image to get I want to change alpha value of my views programmatically , it can easily be set via xml and it works fine , the value is between 0 to 1 and if I set it 0. I got another solution which helped me, 'cause I just have two different sates: either the item is not clicked; or it is clicked and so it will be highlighted Nov 29, 2014 · Optional: Remove the line. I am looking for a way to put a border for either textview or a button programmatically without using the setBackgroundResource method. You can very simply define the alpha in the color definition of the button (or any other view) in your xml: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Window#setStatusBarColor(int)}. but i want to change images background color. Basically you have the option to set the transparency (opacity) and the color either directly in the layout or using resources references. Each and every aspect of a vector drawable can be controlled dynamically (via Java instances), using this library. Now in the activity create this method as shown below: Jul 17, 2022 · In this article, we will take a look at How to Set a Transparent Background for our Image View for our android application. Just copy an image into your res/drawable folder and use. Here is my code. Config. Now inside the for loop I want to set the image view background dynamically. I use a layout resource called image_bg as background to the buttons in XML, as seen here in my activity_main. getBackground(). this); LayoutInflater inflater = ( Jan 21, 2019 · Ok, well the only solution that I could end up coming up with for this was to change the way I was displaying the background image in the LinearLayout. getColor(R. Feb 15, 2014 · The the default holo EditText's background is: edit_text_holo_dark. Jan 17, 2011 · DON'T USE A TRANSAPENT OR NULL LAYOUT because then the button (or the generic view) will no more highlight at click!!!. mPaint. selected)) Then if you want to remove the color, you can do this: card. transparent) window. createBitmap(30, 30, Bitmap. getColor(context, colorResId)); } public static Drawable Dec 18, 2020 · I want to make the android chip background color to transparent. I need the first ConstraintLayout to be transparent I used "android:background="#00000000" " but no result (background white). transparent), check to make sure the current image isn't set as background using setBackgroundDrawable() or something similar. TextView, etc. My code for the alert dialog is: AlertDialog. If not, an ImageView will overlap with another ImageView. i,e if the currentpoi value is 3, background of 3 image views should be changed. WHITE); I want to set some vectorDrawables to a ImageView in Android Studio. But You can Use Background Color using setCardBackgroundColor(ContextCompat. Feb 8, 2012 · I have follow this post to make ImageButton in android . 5 days ago · Figure 2: Clipping an image with RoundedCornerShape. TRANSPARENT) Here is an example using answer here: How to get the attr reference in code? // Create an array of the attributes we want to resolve // using values from a theme // android. Put a LinearLayout over the ImageView and use the LinearLayout as a opacity filter. Explore Teams Create a free Team Jul 1, 2012 · I have taken three Views. how to change it? Add a solid background to your RelativeLayout element. Dec 27, 2023 · To make a background image transparent in Android Studio, you need to use an alpha value for the background attribute of your ImageView. onCreate or you should inflate that layout like this: Jun 4, 2012 · Remember widget is remoteView. I know how to change the "android:src" with: remoteView. If you already have a legacy splash screen implementation that uses attributes like android:windowBackground, consider providing an alternate resource file for Android 12 and higher. 5 days ago · Set a theme for the splash screen to change its appearance. TRANSPARENT) Thats it. Needed to do this because, setting android:background somehow left some areas still non transparent. setImageViewResource(int viewId, int srcId); And it works fine, but how do I change the "android:background"? Thanks Jul 13, 2012 · I'm interested in set the background to the image in LogCat I see the output like: 07-13 13:27:36. What you can do is something similar to what the Android battery meter in the notification area does: make a number of drawables (I think the battery meter uses 5 or 6 different images, 1 for each stage of the recharge process) and then use a timer or external events to switch Jun 25, 2019 · I want to set background color to transparent. In xml, set background “#00000000”. Create a StateListDrawable like this one in res/drawable directory. If the background has padding, this View's padding is set to the background's padding. GRAY, val borderWidth : Float = 5F, val borderRadius : Float = 15F val borderShape = ShapeDrawable(). setCardBackgroundColor(ContextCompat. 0, we need to set app:chipBackgroundColor="@color May 30, 2016 · I have created two themes for my activity; Bright/Dark. setImageBitmap(bitmap) Oct 25, 2014 · In Kotlin, I was able to change the background color like this: var card: CardView = itemView. e a background) will also have their drawable changed/colored. you can find the default drawable xml file in your folder "SDK_path\platforms\android19\data\res\drawable" Overthere you can find many default style of many widgets. I've tried a few different methods, and the closest I've come has been to change the toolbar color instead of the whole AppBar. This should be relatively simple from what I have read but it just doesn't seem to work. Already tried settings the background programmatically with the color: Color. setCustomView(R. That's the dark version. id. theme )!!. Jan 5, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Suppose my image have red color initially and now I need to change it to orange color. I was just wondering if there was a way to change the opacity of the background image for a View (ie. android:alpha="0. From material version higher than 1. Apr 2, 2013 · Well, since you said you have an activity in the background, you should be using a fragment for this. xml. mView. Jul 1, 2015 · I'm trying to implement some ImageView buttons programmatically, so I can sort them at runtime. gradle Jul 7, 2017 · You can try like this if you want to adjust the transparent change the alpha in color I gave as #55000000 you can change the alpha value(55) whatever you want. This way the RelativeLayout will have a solid background, and only the margins will be transparent. I've tried with this SameProblem but it doesn't work. your_layout); Apr 14, 2017 · an extension to the sushant's answer since getColor is deprecated and in kotlin language. setForeground(null); Android layout color change programmatically. I am trying to set color programmatically to that area but its not working. Mar 29, 2016 · setColorFilter() and android:tint change image color by creating a filter on it. setCardBackgroundColor(Color. your_drawable); May 21, 2013 · If none of these solutions are clearing an image you've already set (especially setImageResource(0) or setImageResources(android. What am I doing wrong, and what is the correct way to change the background color on any View? Thanks. Actually, I am not expert in english, please secrify – Sep 8, 2011 · I am trying to set the foreground image on an image button. Feb 24, 2015 · I have some remoteView with ImageViews, and I need to change the "android:background" programmatically. This is very useful in case you dynamically create a toggled button (choice of 2 drawables) in an onClick event, but need a visible button to show before your toggled ones take over (because nothing will show until the click event happens, so when it does, you can use setBackgroundResource(0) to remove your earlier "set" button drawable). It just gave me a white background. I want the shape to be transparent. getDrawable( resources, android. getRootView(); root. setBackgroundResource() method is used to change the button background programmatically. What's up though, I've changed images before fine such as backgrounds but can not get it to work for my widget thank you. drawable. parseColor(colorCode)) mImageViewLogo. If you want it to be transparent in normal state and blueish in pressed stated. Thankyou! Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jul 27, 2015 · Works only on Android 12 as of now so is not a universal solution yet. color Jun 13, 2017 · I have png image which have some transparent area in between image. tabs); tabLayout. Step by Step Implementation. I solved it by checking the boolean that I have set for night theme prior to setting the content view in onCreate. spinner_background); // to change the `Spinner` background spinner. You can also create your own clipping shape by extending Shape, and providing a Path for the shape to clip around:. I needed a way to change the stroke color of any GradientDrawable without knowing the width of the stroke. I only get bottom border color of the item changed but I want to change the full background color. eraseColor(Color. xml, then use: android:background="@color/white" If you want to do programmatically, then do: linearlayout. I'm trying to copy this code, but the setBackgroundDrawable is already deprecated. activity. I added android:background="#c0000000" to LinearLayout. public void giveClue(View view) { Drawable Apr 13, 2013 · I had the same problem and Based on my search there is no way to change activity or main ViewGroup styles dynamically after super. This method takes a ColorStateList object as a parameter, which contains the different colors to be used for different states of the view (e. 3. Here is an example of how you can do this: ImageView imageView = new ImageView ( this ); imageView. After some research, I came across this code sample: <ImageButton android:text="Button" android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/icon"/> My query is how to actually implement android:src in code. 5 alpha) color, and on the third view I set light color (0. xml with content: Apr 19, 2011 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. but how can I set it in kotlin ? I've tried this code but it doesn't work at all : ln. Jul 31, 2018 · I followed this with AppCompat AlertDialog but instead of using android:background, I chose to set a transparent color directly with the background drawable's android:color itself. Aug 25, 2016 · I want to change the background color of my RecyclerView item. if your bitmap is mBitmap then Just use:-mBitmap. Static Setting. View class have setAlpha(float alpha) method which is Added in API level 11. But Thanks for sharing the technique! – In my Image view in xml I set the android:tint attribute to the drawable created above. statusBarColor = ContextCompat. learn_def_card) card. BLACK); Mar 28, 2015 · Yes we are, thank you for your patience, I'm on almost on a tilt since I've been trying to do this for the past few hours xD. setTint(buttonDrawable, Color. onCreate. View someView = findViewById(R. Feb 18, 2016 · I guess you need to set a fixed size for the ImageView and give it a set background colour - from the look of your example black would make sense. My problem is that whatever is behind my activity, e. 2. 5 in xml it semi transparent the view in my xml layout . createScaledBitmap(Bitmap src, int dstWidth, int dstHeight, boolean filter) and set it as some View's background. any one help please May 5, 2021 · How to Set a Transparent Background of an ImageView on Android? Android applications use different types of images for displaying within our Image View. How to programmatically change the background image of an Android Activity. Jun 22, 2021 · I receive a list of image urls from the network that should be set as a splash screen randomly, so the splash screen has to be dynamically set. What is the best way to asset some images and get it into cod Sep 21, 2010 · What about, if I need to change background image programmatically from the string? For example I`ve got one "myResource";, as U can see I can't do that in R. The image appears to the button but it has some background , my Image is a png image and I want the button to be transparent background. Jan 23, 2013 · for transparent just . Smth like this: I`ve style with field windowSplashScreenBackground where value is solid color and it works fine: Nov 20, 2018 · Chip chip = new Chip(context); chip. 2 alpha). ). Builder imageDialog = new AlertDialog. LOLLIPOP) fun backGroundColor() { window. So simply set a transparent color or any color you wish to set to the status bar as per your requirement. android:src="@drawable/android" //This can be kept as a default image in case the file you want does not exist. How do I do that? Here is what I have: Apr 16, 2018 · To set the transparency level of a view background we use. I wanted to change the entire tablayout not only the tab selected because I am using it with day/night mode. Feb 1, 2010 · I'm trying to set the background color of a View (in this case a Button). I need to change my button background via code. v7. Dec 23, 2011 · Been struggling for the past two days to change the background of my widget, based on some if statements (removed right now just want to change the widget background from the class) here is my source below. out(677): mob_beeline. If you're using a fragment, just set thr framelayout to transparent background, or don't set it at all, I think this should work as well, your fragment would be on top of the other layout. 5f Dec 4, 2014 · the CardView ( android. How do I do that? Feb 25, 2017 · Learn how to customize the background of a popup menu in Android with step-by-step guidance on Stack Overflow. If you simply change the background color to red you are going to end up with a plain red rectangle not something that looks like a normal button. I use this code: // set the background to green v. My goal is to change view's constraints in code, but I cant figure out how to do this right. I have sth like this, but background stay transparent. It is such a simple solution and not sure why I can't get this workin Aug 29, 2018 · How to make RecyclerView item background transparent I need to show background image? I tried 3 solutions given in Stack Overflow and not worked for me 1 : android:background="?android:attr/ May 21, 2013 · If none of these solutions are clearing an image you've already set (especially setImageResource(0) or setImageResources(android. Knowing that the user controls the blur degree. getSelectedTabPosition()). colorPrimary)) If you want to set a background Image Inside Cardview Use Another Layout such as LinearLayout, RelativeLayout or any other Inside The CardView. Feb 22, 2011 · Set an id attribute on the ImageView: <ImageView android:id="@+id/myImage" In your code where you wish to hide the image, you'll need the following code. setBackgroundColor(Co Dec 16, 2015 · All you need to do is to set the proper background. val bitmap = Bitmap. Aug 21, 2015 · Taken From this answer, and something which I'm using as well:. VERSION_CODES. drawColor(Color. It should work on all Android versions that the support library supports: public static Drawable getTintedDrawableOfColorResId(@NonNull Context context, @NonNull Bitmap inputBitmap, @ColorRes int colorResId) { return getTintedDrawable(context, new BitmapDrawable(context. png So, the image should be set right in all drawables I have a mob_beeline. Many times we are using an image view which is having a specific background and we have to set the background for that image to be transparent. @RequiresApi(Build. setAlpha(mViewTransparencyLvl); How to set the blur level of a view background? Knowing that the background is a shape drawable not an image. Jan 21, 2011 · mhh. GRAY, val backgroundColor : Int = Color. blue)); The above line gives the error: java. I have 4 TextViews and one ImageView. screen); View root = someView. Sep 29, 2009 · You can set the background transparent of any layout, any view, or any component by adding this code in XML: android:background="@android:color/transparent" Dec 1, 2015 · If you want to set through xml using android's default color codes, then you need to do as below: android:background="@android:color/white" If you have colors specified in your project's colors. getColor(main,R. setBackgroundcolor(getResources(). Change XML Background Programmatically - Xamarin. May 15, 2010 · I'm amazed by everyone else's MUCH more complicated answers. Builder(SubProducts. Expanding on Vikram's answer, if you are coloring dynamic views, like recycler view items, etc. setBackgroundColor(color. apply { shape = RoundRectShape(floatArrayOf Jul 26, 2024 · Many times we are using an image view which is having a specific background and we have to set the background for that image to be transparent. 1. Here is what I want Nov 4, 2016 · Programmatically setting my FloatingActionButton's backgroundTint via setBackgroundTintList method does not work, but setting it via XML app:backgroundTint tag does work - why is that? Apr 24, 2013 · I want to show an alert dialog with a transparent background. Step 1: Create a New Project in Android Studio. screen_background_dark_transparent, context. XML. pressed, focused, etc. Android May 2, 2013 · android:background="#33BBFFFF" did not give me a transparent background when applied to the RelativeActivity. Aug 15, 2015 · It takes bitmap as an input. setBackground(buttonDrawable); Mar 28, 2016 · Set the background to a given Drawable, or remove the background. Short answer. selectableItemBackground requires API LEVEL 11 int[] attrs = new int[] { android. cardview ) stays white even though I set a backround drawable via android:backround - The documentation gives me the feeling that it should work. 0. Feb 20, 2015 · in SDK version 21 or higher steps to make Android CardView transparent. g, home screen, should get blurred, I tried getting bitmap from my activity root view but that simply return me my view's background (which i set to a transparent with an image) and not home screen. To blur a image. g. Change the background image of frame layout using Java. There is also the counterpart to that, the light version: edit_text_holo_light. In this article, it's been discussed how to set a sample image as the home screen wallpaper programmatically. In the first view I set full (no alpha) color, on the second view I set half (0. Im using Android 2. Jul 15, 2017 · To set transparency level of the view to make it dim . Thank you, totally saved me after 4 hours of head-banging. -1 – Daniel Viglione Jun 18, 2018 · Use setBackgroundResource() to set android:background to your ImageButton. support. setTint. my_image)); If you have set an image as background then. 1. how can this be done? can it be done directly on the xml file and if yes how? Is it also possible to do it programmatically and if yes how? And could you please show me an example. And Add Background for that Layout. getDrawable(R. getBackground(); buttonDrawable = DrawableCompat. Try this. color. I think I should be able to do it in onBindViewHolder method but I am not able to do this. If you don't do this, any views that have a common drawable (i. If you want to make your bitmap transparent before further drawing follow this. Set android:backgroundTint="@android: How to set a background image for a card in CardView? 3. Now programmatic I want to change the bitmap image color. Dec 28, 2023 · Solution 3: In Android, you can change the background tint color programmatically using the setBackgroundTintList() method of the View class. This is the my interface. getTabAt(tabLayout. May 12, 2011 · I am having trouble applying a gradient background to a LinearLayout. lang. setColor(Color. May 9, 2016 · I am developing an android application in which I set an image to imageview. So from API level 11 and after you can use that method in xml and class too. But when i trigger change in theme, color of webpage loaded in the webview doesn't change. R. Oct 8, 2013 · Hi i need to put a background image in an activity and this image needs to be a bit transparent because i want to put text over it. What ever the times the for loop iterates that many image view's background should be changed. Note: This Android article covered in both Java and Kotlin languages. from the XML layout. In this article, we will take a look at How to Set a Transparent Background for our Image View for our android Mar 28, 2022 · I want that, the background image will show in statusBar background. Then you probably want to call mutate() before you set the color. May 16, 2013 · If you want to change the ImageView image/src, In Layout android:src="@drawable/img" or app:srcCompat="@drawable/img" Programmatically imageview. If you're creating Spinner dynamically then use this: // to change background of the popup list spinner. Now i want to change background color of images dynamically in remoteviews(PS I want to make widget like that and color of images in given link changes dynamically). getResources(), inputBitmap), ContextCompat. Those are some methods to set transparent color. I have tried this myWebView. xml: Aug 2, 2015 · How can I change background image from code? I actually use mono, but Java samples will also be helpful. setBackgroundResource(int id) accepts id of drawable resource and applies the background to the button. Knowing that this view is over part of another view. getColor(this, android. png and layers. circle_filled); Mar 27, 2012 · It is impossible to achieve manipulating background attribute within xml-files only. I have an app with a navigation drawer, and am trying to change the color of the AppBarLayout based on what the user selects from the navigation drawer. 1 Set your target SDK and compile SDK to Android S in build. Provide details and share your research! But avoid …. This question has many helpful answers and examples that show you how to use themes, styles, and XML attributes to achieve the desired effect. setImageResour Feb 1, 2010 · If you want to create a transparent activity on Android, you can find the answer on Stack Overflow. 'themedContext' is a context with a // theme I'm trying to change the image of the ImageButton programmatically. May 8, 2013 · I want to make transparent the transparent_layout but i can't do it. Jan 11, 2012 · What you're asking for is programmatic segmentation of foreground and background. How can I do that? Please help. I need to set ImageView constraints to one of the TextViews. Mar 1, 2017 · If you want to change the selected tab background you can use this: (Set your custom view after set up the viewPager) TabLayout tabLayout = (TabLayout) findViewById(R. class SquashedOval : Shape { override fun createOutline( size: Size, layoutDirection: LayoutDirection, density: Density ): Outline { val path = Path(). You have very limited resource to updates UI of widget and not directly. I had the same problem and finally I found the correct attribute from Android API to solve the problem. setBackgroundResource(android. – Arthur Kushman Feb 25, 2018 · So, assuming you want the activity and fragment to be transparent for a particular fragment (It's not quite clear if this is what you want from your question, but I'm going to assume it is). I tried following code: May 11, 2015 · how to get parseColor color value to transparent. images with Jul 23, 2017 · I need help with ConstraintSet. selectableItemBackground /* index 0 */}; // Obtain the styled attributes. if you wish black transparency you can use #55FFFFFF Image can't be set as Background Image For a Card View. layout. Hope the question is clear now. RED); button. Now background is transparent as I wanted to, but also TextViews inside RelativeLayout are also transparent. Dec 23, 2013 · You can set transparency with color. getColor(this, R. wrap(buttonDrawable); //the color is a direct color int and not a color resource DrawableCompat. Useful links To set a drawable background to button : Custom design for Button background To set a onClickListener to button : Button setOnClickListener Nov 14, 2019 · The accepted answer removes the image resource of the image view ,if you want to remove the background resource then do imageView. The alpha value ranges from 0 to 255, where 0 means fully transparent and 255 means fully opaque. img. Jul 7, 2011 · See the Android Color resource documentation for reference. There are two options: You cut/scale the bitmap programmatically with Bitmap. my_image); Details. x" will cause entire screen (child views) to fade. So I've read Romain Guy's blog post on setting the Window background and percieved performance, and am trying to emulate that. so you should either have a XML layout and set that layout before super. Corresponds to {@link android. parseColor("#FFFF00")); thanks for help Apr 22, 2013 · I see many applications that use a full-screen image as background. fun View. In Layout android:background="@drawable/img" programmatically selectimg. Asking for help, clarification, or responding to other answers. note that my drawable is transparent and i want to change its background, not ImageButton background – Feb 5, 2011 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. attr. Set transparent (android:background="@null") for background then use tint: But after adding ripple effect button background is transparent, and button display only when clicked, like this: set background of button to above drawable To set a background drawable programmatically in Android, you can use the setBackgroundDrawable method of the View class. FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) window. addFlags(WindowManager. Good luck !! Oct 23, 2013 · Edit: if you have an Image as Background of your layout so i think you can set alpha for your LinearLayout and control it from code without changing your background, to Transparent your Layout with Background Image : android:alpha="" alpha property of the view, as a value between 0 (completely transparent) and 1 (completely opaque) May 11, 2011 · Ah, you really can't do what you're trying to do: there is no way to use one View as the background of another View. setBackgroundColor(Color. 3 SDK with SherlockActionBar. May 11, 2015 · how to get parseColor color value to transparent. mullr. you need to set the "host" activity background to transparent when the "transparent" fragment is attached to it. navigationBarColor = ContextCompat. imageView. setBackgroundResource(R. setupWithViewPager(mViewPager); tabLayout. mutate() // We mutate the drawable so we can later implement a fade in/out animation and animate the Drawable's alpha property. Jun 20, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 11, 2011 · Ah, you really can't do what you're trying to do: there is no way to use one View as the background of another View. This is an example: I want to use this in a project, the best way I've found so far to do this is to use an image with a large s Mar 31, 2017 · I was inspired by Google Keep app, which have similar implementation like shown below: So i tried to find a proper post on how to achieve this thing but unfortunately found nothing and also above answers weren't working. This is my xml layout <?xml version="1. transparent); also adding in some explanation, this actually doesnot remove the background resource completely,it will just replace the existing background resource with a Feb 25, 2016 · You can change the color of individual path at runtime, without using reflection. 178: I/System. Is there any way to set that layout to transparent? Instead of using ImageView you can use AppCompatImageView, Because setBackgroundTintList is supported from API level 21, If you use AppCompatImageView you can change the tint color using setSupportBackgroundTintList. parseColor("#FFFF00")); thanks for help Sep 9, 2009 · and to "scale the background image (keeping its aspect ratio)" in some cases, when you want an image to fill the whole screen (for example background image) and aspect ratio of the screen is different than image's, the necessary scaleType is kind of TOP_CROP, because: Dec 27, 2018 · I would like to change the background color of my ImageButton programatically (without having to use additional graphics), so that the background would change when the user clicks on the button (after the click the background should go back to normal, i. – why I see only the background image? *Edit: If I remove all the setBackgroundColor and move the setBackgroundDrawable to the ScrollLayout or the StorageView I see the background on the whole screen *Edit2: I edit the code: I remove the unnecessary layouts, and set a background drawable with alpha set to 0, and now it works. setBackgroundDrawable(getResources(). Jun 14, 2020 · I try to do this: cardview. miTextView) as TextView val borderColor : Int = Color. My goal was to do this using Drawable. The variety of answers can cause a little confusion. Aug 9, 2021 · I want to make splash screen with gradient background and logo using Splash Screen API. Feb 26, 2013 · Making an existing bitmap transparent is too simple. However, when a background is removed, this View's padding isn't touched. If Yes, I think that your issue is not the LinearLayout transparency but you are inserting bottom_sheet_layout to the bottom of the fragment container, not over the map. neurd. etc style. setBackgroundColor(0x0000FF00 ); v. Dec 12, 2012 · Right but you either need to have a red button image like a 9patch png, or you'll need to define a red button shape in xml. 0" encodi I had the exact same problem. Dec 26, 2019 · The source bitmap for ImageView has transparent color, we must set the background color of this ImageView to transparent color. white); Can you see the code? Apr 22, 2015 · In properly extending dimsuz's answer by providing a real code situation, see the following code snippet: Drawable buttonDrawable = button. findViewById(com. e. Jan 6, 2017 · I try to set background color programmatically but when I set every one of my colors, the background being black but with any color background being white like the application theme. So that the image will better match the background color of the android application. I've managed to find the following code but I just don't know how to proceed from there. I had to add a transparent solid element to my shape xml to get it to work: As of my previous question here I successfully managed to do this by transparent image. Any idea? May 12, 2015 · Finally, I find a easy solution. Jul 22, 2019 · If you are not using MapView, I supposed that you are inflating the Google Map + bottom_sheet_layout in the same fragment. invalidate(); It causes the Button to disappear from the screen. LayoutParams. android image button. SAMPLE CODE. And set this theme to the activity you want. cardBackgroundColor(Color) but I have this message: The function 'invoke()' is not found. UnsupportedOperationException: Do not set the background Feb 8, 2011 · Maybe a helpful alternative for a plain-colored background: . ARGB_8888) val canvas = Canvas(bitmap) val colorCode = "#ffffff" canvas. The goal I am trying to achieve here is, to change the backg Apr 12, 2018 · I'm pretty new to Android development and completely new to Kotlin. I managed to change the opacity but I do not know how to change the color. In the following a small example with a black background: Oct 17, 2011 · I set textview background equal transparent, and now I want change it's background in code. 3. I can set png and jpg drawable easily but when i want to set VectorDrawable, it does not work on imageview. TRANSPARENT but it seems it doesnt work. The code above doesn't work however I set the android:windowTranslucentStatus to false and it made the status bar transparent. If you have a view such as a TextView where you need to set the background and border you can do it like this Kotlin code: val view = findViewById(R. . view. Android LinearLayout, set background to Transparent. In Android color is broken into 4 8-bit (0-255) segments, with the first 8-bit (0-255) controlling the alpha. As this is an active research area, you're unlikely to find any ready-mode source code that works out of the box (especially in Java). setInt(viewId, "setBackgroundColor", Color. Jun 8, 2015 · Iam writing some app on Android. setImageResource(R. You can specify the following attributes in your Activity theme to customize the splash screen for your app. Learn from the experts and make your app look more professional and elegant. transparent). alpha = 0. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You can try : remoteViews. img); If you want to change the background of ImageView. But so far it's not. darken() { val darkOverlay = ResourcesCompat. I know that I can set the background image like this: android:background="@ Aug 21, 2012 · Since its not an activity I cannot set the style attribute in the Manifest file to "Translucent" and I cannot use the setAlpha() method too since the setAlpha() method is applicable from API Level 11 onwards and my application has an API Level of 11 and due to certain restrictions I cannot change it to API Level 11. What you can do is something similar to what the Android battery meter in the notification area does: make a number of drawables (I think the battery meter uses 5 or 6 different images, 1 for each stage of the recharge process) and then use a timer or external events to switch May 9, 2016 · Learn how to create a bottom sheet dialog with a transparent background in Android, using the design support library and a custom theme. For reference sakes I am developing o Dec 23, 2022 · Setting wallpaper in Android programmatically is helpful when the application is fetching wallpapers from the API library and asking the user whether to set the wallpaper for the home screen or not. If I will use full screen, then status bar text not showing, so, Actually, I want, that, the background image will show in statusBar background, with statusBar text. when click on mybtn (this is a button) change textview background, how do it? code: Button btn = (Button) Jun 3, 2015 · If you are using hexcode for color and want to set the color as background of image, then this is the kotlin code. VectorMaster introduces dynamic control over vector drawables. setPopupBackgroundResource(R. apply { // We create an Oval that starts at ¼ of the width, and ends at ¾ I have a shape drawable that I want to use as a background. dhvcle ovce hkdw wncd cxfc uwlbp rjbk irpjug rre mwaxn