{"id":20800,"date":"2024-03-15T21:00:03","date_gmt":"2024-03-15T21:00:03","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/"},"modified":"2024-03-21T18:57:33","modified_gmt":"2024-03-21T18:57:33","slug":"how-can-android-retrieve-the-content-displayed-on-the-screen","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/","title":{"rendered":"How can Android retrieve the content displayed on the screen?"},"content":{"rendered":"<p>To capture the display content of an Android device, you can utilize the MediaProjection API provided by Android. The following is a simple example code:<\/p>\n<ol>\n<li>Firstly, add the following permissions in the AndroidManifest.xml file:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">uses-permission<\/span> <span class=\"hljs-attr\">android:name<\/span>=<span class=\"hljs-string\">\"android.permission.READ_FRAME_BUFFER\"<\/span>\/&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">uses-permission<\/span> <span class=\"hljs-attr\">android:name<\/span>=<span class=\"hljs-string\">\"android.permission.WRITE_EXTERNAL_STORAGE\"<\/span>\/&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>Create a new Activity and add the following code inside its onCreate method.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">REQUEST_CODE_MEDIA_PROJECTION<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">1<\/span>;\r\n<span class=\"hljs-keyword\">private<\/span> MediaProjectionManager mMediaProjectionManager;\r\n<span class=\"hljs-keyword\">private<\/span> MediaProjection mMediaProjection;\r\n<span class=\"hljs-keyword\">private<\/span> VirtualDisplay mVirtualDisplay;\r\n<span class=\"hljs-keyword\">private<\/span> ImageReader mImageReader;\r\n\r\n<span class=\"hljs-meta\">@Override<\/span>\r\n<span class=\"hljs-keyword\">protected<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">onCreate<\/span><span class=\"hljs-params\">(Bundle savedInstanceState)<\/span> {\r\n    <span class=\"hljs-built_in\">super<\/span>.onCreate(savedInstanceState);\r\n    setContentView(R.layout.activity_main);\r\n\r\n    mMediaProjectionManager = (MediaProjectionManager) getSystemService(Context.MEDIA_PROJECTION_SERVICE);\r\n\r\n    startActivityForResult(mMediaProjectionManager.createScreenCaptureIntent(), REQUEST_CODE_MEDIA_PROJECTION);\r\n}\r\n\r\n<span class=\"hljs-meta\">@Override<\/span>\r\n<span class=\"hljs-keyword\">protected<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">onActivityResult<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> requestCode, <span class=\"hljs-type\">int<\/span> resultCode, Intent data)<\/span> {\r\n    <span class=\"hljs-keyword\">if<\/span> (requestCode == REQUEST_CODE_MEDIA_PROJECTION) {\r\n        <span class=\"hljs-keyword\">if<\/span> (resultCode == RESULT_OK) {\r\n            mMediaProjection = mMediaProjectionManager.getMediaProjection(resultCode, data);\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u5c4f\u5e55\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6<\/span>\r\n            <span class=\"hljs-type\">DisplayMetrics<\/span> <span class=\"hljs-variable\">metrics<\/span> <span class=\"hljs-operator\">=<\/span> getResources().getDisplayMetrics();\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">width<\/span> <span class=\"hljs-operator\">=<\/span> metrics.widthPixels;\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">height<\/span> <span class=\"hljs-operator\">=<\/span> metrics.heightPixels;\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2aImageReader\u5bf9\u8c61\uff0c\u7528\u4e8e\u6355\u6349\u5c4f\u5e55\u5185\u5bb9<\/span>\r\n            mImageReader = ImageReader.newInstance(width, height, PixelFormat.RGBA_8888, <span class=\"hljs-number\">2<\/span>);\r\n            mVirtualDisplay = mMediaProjection.createVirtualDisplay(<span class=\"hljs-string\">\"ScreenCapture\"<\/span>,\r\n                    width, height, metrics.densityDpi,\r\n                    DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR,\r\n                    mImageReader.getSurface(), <span class=\"hljs-literal\">null<\/span>, <span class=\"hljs-literal\">null<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Add the following code where screen display content needs to be accessed:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">Image<\/span> <span class=\"hljs-variable\">image<\/span> <span class=\"hljs-operator\">=<\/span> mImageReader.acquireLatestImage();\r\n<span class=\"hljs-keyword\">if<\/span> (image != <span class=\"hljs-literal\">null<\/span>) {\r\n    <span class=\"hljs-comment\">\/\/ \u5904\u7406\u5c4f\u5e55\u5185\u5bb9<\/span>\r\n    <span class=\"hljs-comment\">\/\/ ...<\/span>\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u91ca\u653eImage\u8d44\u6e90<\/span>\r\n    image.close();\r\n}\r\n<\/code><\/pre>\n<p>Please note that the use of the MediaProjection API requires user authorization, so it is necessary to call the startActivityForResult method in the Activity to obtain the user&#8217;s authorization. Upon successful authorization, the screen content can be accessed through the ImageReader object.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To capture the display content of an Android device, you can utilize the MediaProjection API provided by Android. The following is a simple example code: Firstly, add the following permissions in the AndroidManifest.xml file: &lt;uses-permission android:name=&#8221;android.permission.READ_FRAME_BUFFER&#8221;\/&gt; &lt;uses-permission android:name=&#8221;android.permission.WRITE_EXTERNAL_STORAGE&#8221;\/&gt; Create a new Activity and add the following code inside its onCreate method. private static final int [&hellip;]<\/p>\n","protected":false},"author":10,"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-20800","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How can Android retrieve the content displayed on the screen? - 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-can-android-retrieve-the-content-displayed-on-the-screen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can Android retrieve the content displayed on the screen?\" \/>\n<meta property=\"og:description\" content=\"To capture the display content of an Android device, you can utilize the MediaProjection API provided by Android. The following is a simple example code: Firstly, add the following permissions in the AndroidManifest.xml file: &lt;uses-permission android:name=&quot;android.permission.READ_FRAME_BUFFER&quot;\/&gt; &lt;uses-permission android:name=&quot;android.permission.WRITE_EXTERNAL_STORAGE&quot;\/&gt; Create a new Activity and add the following code inside its onCreate method. private static final int [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/\" \/>\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=\"2024-03-15T21:00:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T18:57:33+00:00\" \/>\n<meta name=\"author\" content=\"Jackson Davis\" \/>\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=\"Jackson Davis\" \/>\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-can-android-retrieve-the-content-displayed-on-the-screen\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/\"},\"author\":{\"name\":\"Jackson Davis\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/55a10b8b0457c35884c25677889ad350\"},\"headline\":\"How can Android retrieve the content displayed on the screen?\",\"datePublished\":\"2024-03-15T21:00:03+00:00\",\"dateModified\":\"2024-03-21T18:57:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/\"},\"wordCount\":113,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-android-retrieve-the-content-displayed-on-the-screen\/\",\"name\":\"How can Android retrieve the content displayed on the screen? 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