{"id":9162,"date":"2024-03-14T09:10:49","date_gmt":"2024-03-14T09:10:49","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/"},"modified":"2024-03-20T14:50:39","modified_gmt":"2024-03-20T14:50:39","slug":"how-to-set-gaussian-blur-for-android-background","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/","title":{"rendered":"How to set Gaussian blur for Android background?"},"content":{"rendered":"

To set a background with a Gaussian blur effect in an Android app, you can use the following method:<\/p>\n

    \n
  1. Setting the background using XML layout file:<\/li>\n<\/ol>\n
    <RelativeLayout<\/span> xmlns:android<\/span>=\"http:\/\/schemas.android.com\/apk\/res\/android\"<\/span>\r\n    android:layout_width<\/span>=\"match_parent\"<\/span>\r\n    android:layout_height<\/span>=\"match_parent\"<\/span>\r\n    android:background<\/span>=\"@drawable\/bg_blur\"<\/span>><\/span>\r\n    \r\n    <!-- Your other layout views here --><\/span>\r\n\r\n<\/RelativeLayout<\/span>><\/span>\r\n<\/code><\/pre>\n
      \n
    1. Create a file named bg_blur.xml in the res\/drawable directory and define a Gaussian blur effect in the file.<\/li>\n<\/ol>\n
      <?xml version=\"1.0\"<\/span> encoding=\"utf-8\"<\/span>?><\/span>\r\n<bitmap<\/span> xmlns:android<\/span>=\"http:\/\/schemas.android.com\/apk\/res\/android\"<\/span>\r\n    android:src<\/span>=\"@drawable\/your_background_image\"<\/span>\r\n    android:gravity<\/span>=\"center\"<\/span>\r\n    android:alpha<\/span>=\"0.6\"<\/span>\/><\/span>\r\n<\/code><\/pre>\n
        \n
      1. Create a utility class BlurUtils.java for applying Gaussian blur to background images.<\/li>\n<\/ol>\n
        public<\/span> class<\/span> BlurUtils<\/span> {\r\n    \r\n    public<\/span> static<\/span> Bitmap blurBitmap<\/span>(Context context, Bitmap bitmap, float<\/span> radius)<\/span> {\r\n        RenderScript<\/span> rs<\/span> =<\/span> RenderScript.create(context);\r\n        Allocation<\/span> input<\/span> =<\/span> Allocation.createFromBitmap(rs, bitmap, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);\r\n        Allocation<\/span> output<\/span> =<\/span> Allocation.createTyped(rs, input.getType());\r\n        \r\n        ScriptIntrinsicBlur<\/span> script<\/span> =<\/span> ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));\r\n        script.setRadius(radius);\r\n        script.setInput(input);\r\n        script.forEach(output);\r\n        \r\n        output.copyTo(bitmap);\r\n        \r\n        rs.destroy();\r\n        \r\n        return<\/span> bitmap;\r\n    }\r\n}\r\n<\/code><\/pre>\n
          \n
        1. Use the above utility class in Activity or Fragment to apply Gaussian blur effect to the background image that needs to be set, and then set it as the background.<\/li>\n<\/ol>\n
          Bitmap<\/span> bitmap<\/span> =<\/span> BitmapFactory.decodeResource(getResources(), R.drawable.your_background_image);\r\nBitmap<\/span> blurredBitmap<\/span> =<\/span> BlurUtils.blurBitmap(this<\/span>, bitmap, 25f<\/span>);\r\nDrawable<\/span> drawable<\/span> =<\/span> new<\/span> BitmapDrawable<\/span>(getResources(), blurredBitmap);\r\nyourRelativeLayout.setBackground(drawable);\r\n<\/code><\/pre>\n
          By following the above steps, you can set a Gaussian blur background effect in your Android application.<\/p>\n","protected":false},"excerpt":{"rendered":"
          To set a background with a Gaussian blur effect in an Android app, you can use the following method: Setting the background using XML layout file: <RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android” android:layout_width=”match_parent” android:layout_height=”match_parent” android:background=”@drawable\/bg_blur”> <!– Your other layout views here –> <\/RelativeLayout> Create a file named bg_blur.xml in the res\/drawable directory and define a Gaussian blur effect in […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9162","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nHow to set Gaussian blur for Android background? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to set Gaussian blur for Android background?\" \/>\n<meta property=\"og:description\" content=\"To set a background with a Gaussian blur effect in an Android app, you can use the following method: Setting the background using XML layout file: <RelativeLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable\/bg_blur"> <!-- Your other layout views here --> <\/RelativeLayout> Create a file named bg_blur.xml in the res\/drawable directory and define a Gaussian blur effect in […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T09:10:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T14:50:39+00:00\" \/>\n<meta name=\"author\" content=\"Ava Mitchell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ava Mitchell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\"},\"author\":{\"name\":\"Ava Mitchell\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\"},\"headline\":\"How to set Gaussian blur for Android background?\",\"datePublished\":\"2024-03-14T09:10:49+00:00\",\"dateModified\":\"2024-03-20T14:50:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\"},\"wordCount\":115,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-gaussian-blur-for-android-background\/\",\"name\":\"How to set Gaussian blur for Android background? 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