{"id":1086,"date":"2021-02-02T09:40:00","date_gmt":"2021-02-02T01:40:00","guid":{"rendered":"https:\/\/www.ray650128.com\/wordpress\/?p=1086"},"modified":"2021-08-02T10:15:10","modified_gmt":"2021-08-02T02:15:10","slug":"%e8%bd%89%e8%bc%89%e6%96%87%e7%ab%a0%e7%ab%9f%e7%84%b6%e5%a6%82%e6%ad%a4%e7%b0%a1%e5%96%ae%ef%bc%8cdatabinding-%e5%92%8c-viewbinding","status":"publish","type":"post","link":"https:\/\/blog.ray650128.com\/?p=1086","title":{"rendered":"[\u8f49\u8f09\u6587\u7ae0]\u7adf\u7136\u5982\u6b64\u7c21\u55ae\uff0cDataBinding \u548c ViewBinding"},"content":{"rendered":"\n<p>\u4f5c\u8005\uff1a<a href=\"https:\/\/www.gushiciku.cn\/pla\/HiDhl\">HiDhl<\/a><\/p>\n\n\n\n<p>\u4f86\u6e90\uff1a<a href=\"https:\/\/www.gushiciku.cn\/pl\/gfG8\/zh-tw\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.gushiciku.cn\/pl\/gfG8\/zh-tw<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u6587\u958b\u59cb<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u516c\u773e\u865f\uff1aByteCode\uff0c\u81f4\u529b\u65bc\u5206\u4eab\u6700\u65b0\u6280\u8853\u539f\u5275\u6587\u7ae0\uff0c\u6d89\u53ca Kotlin\u3001Jetpack\u3001\u8b6f\u6587\u3001\u7cfb\u7d71\u539f\u59cb\u78bc\u3001 LeetCode \/ \u528d\u6307 Offer \/ \u591a\u57f7\u884c\u7dd2 \/ \u570b\u5167\u5916\u5927\u5ee0\u6f14\u7b97\u6cd5\u984c \u7b49\u7b49\u4e00\u7cfb\u5217\u6587\u7ae0\u3002<\/p><\/blockquote>\n\n\n\n<p>\u9996\u5148\u795d\u5c0f\u5925\u4f34\u5011\u65b0\u5e74\u5feb\u6a02\uff0c2020 \u4e00\u500b\u4e0d\u5e73\u51e1\u7684\u4e00\u5e74\uff0c2021 \u662f\u4f60\u6211\u65b0\u7684\u8d77\u9ede\u3002<\/p>\n\n\n\n<p>2021 \u65b0\u7c3d\u540d\uff1a<strong>\u7a0b\u5f0f\u78bc\u4e0d\u6b62\uff0c\u6587\u7ae0\u4e0d\u505c<\/strong>\u3002<\/p>\n\n\n\n<p><strong>2021<\/strong> \u7b2c\u4e00\u7bc7\u6587\u7ae0\u662f\u5c0d <strong>2020<\/strong> \u5e74\u672b\u6700\u5f8c\u4e00\u7bc7\u6587\u7ae0 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9qdWVqaW4uY24vcG9zdC82OTA1OTQyNTY4NDY3NzU5MTEx\" target=\"_blank\" rel=\"noreferrer noopener\">Kotlin \u5916\u639b\u7684\u843d\u5e55\uff0cViewBinding \u7684\u5d1b\u8d77<\/a> \u7684\u4e00\u500b\u88dc\u5145\u3002<\/p>\n\n\n\n<p>\u5728\u4e4b\u524d\u7684\u6587\u7ae0 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9qdWVqaW4uY24vcG9zdC82OTA1OTQyNTY4NDY3NzU5MTEx\" target=\"_blank\" rel=\"noreferrer noopener\">Kotlin \u5916\u639b\u7684\u843d\u5e55\uff0cViewBinding \u7684\u5d1b\u8d77<\/a> \u4e2d\u4ecb\u7d39\u4e86 Google \u70ba\u4ec0\u9ebc\u4e0d\u5efa\u8b70\u5728\u5c08\u6848\u4e2d\u4f7f\u7528 Kotlin \u5408\u6210\u65b9\u6cd5\uff08Synthetic \u6aa2\u8996\uff09\uff0c Google \u5efa\u8b70\u4f7f\u7528 ViewBinding \u66ff\u63db Kotlin \u5408\u6210\u65b9\u6cd5\uff0c\u90a3\u9ebc ViewBinding \u548c DataBinding \u90fd\u6709\u4ec0\u9ebc\u5340\u5225\u3002<\/p>\n\n\n\n<p><strong>ViewBinding\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u50c5\u50c5\u652f\u63f4\u7e6b\u7d50 View<\/li><li>\u4e0d\u9700\u8981\u5728\u4f48\u5c40\u6a94\u6848\u4e2d\u65b0\u589e layout \u6a19\u7c64<\/li><li>\u9700\u8981\u5728\u6a21\u7d44\u7d1a <code>build.gradle<\/code> \u6a94\u6848\u4e2d\u65b0\u589e <code>viewBinding = true<\/code> \u5373\u53ef\u4f7f\u7528<\/li><li>\u6548\u7387\u9ad8\u65bc DataBinding\uff0c\u56e0\u70ba\u907f\u514d\u4e86\u8207\u8cc7\u6599\u7e6b\u7d50\u76f8\u95dc\u7684\u958b\u92b7\u548c\u6548\u80fd\u554f\u984c<\/li><li>\u76f8\u6bd4\u65bc <code>kotlin-android-extensions<\/code> \u5916\u639b\u907f\u514d\u4e86\u7a7a\u7570\u5e38<\/li><\/ul>\n\n\n\n<p><strong>DataBinding\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5305\u542b\u4e86 ViewBinding \u6240\u6709\u7684\u529f\u80fd<\/li><li>\u9700\u8981\u5728\u6a21\u7d44\u7d1a <code>build.gradle<\/code> \u6a94\u6848\u5167\u65b0\u589e <code>dataBinding = true<\/code> \u4e26\u4e14\u9700\u8981\u5728\u4f48\u5c40\u6a94\u6848\u4e2d\u65b0\u589e layout \u6a19\u7c64\u624d\u53ef\u4ee5\u4f7f\u7528<\/li><li>\u652f\u63f4 data \u548c view \u96d9\u5411\u7e6b\u7d50<\/li><li>\u6548\u7387\u4f4e\u65bc ViewBinding\uff0c\u56e0\u70ba\u8a3b\u91cb\u8655\u7406\u5668\u6703\u5f71\u97ff\u8cc7\u6599\u7e6b\u7d50\u7684\u69cb\u5efa\u6642\u9593\u3002<\/li><\/ul>\n\n\n\n<p>ViewBinding \u53ef\u4ee5\u5be6\u73fe\u7684\uff0c DataBinding \u90fd\u53ef\u4ee5\u5be6\u73fe\uff0c\u4f46\u662f DataBinding \u7684\u6548\u80fd\u4f4e\u65bc ViewBinding\uff0cDataBinding \u548c ViewBinding \u6703\u70ba\u6bcf\u500b XML \u6a94\u6848\u751f\u6210\u7e6b\u7d50\u985e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">R.layout.activity_main -&gt; ActivityMainBinding\nR.layout.fragment_main -&gt; FragmentMainBinding\nR.layout.dialog_app -&gt; DialogAppBinding\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u5728 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9qdWVqaW4uY24vcG9zdC82OTA1OTQyNTY4NDY3NzU5MTEx\" target=\"_blank\" rel=\"noreferrer noopener\">Kotlin \u5916\u639b\u7684\u843d\u5e55\uff0cViewBinding \u7684\u5d1b\u8d77<\/a> \u6587\u7ae0\u4e2d\u540c\u6642\u4e5f\u5206\u6790\u4e86 Kotlin \u5408\u6210\u65b9\u6cd5\u6240\u5e36\u4f86\u7684\u554f\u984c\u3002\u5373\u4f7f Kotlin \u5408\u6210\u65b9\u6cd5\u6709\u5f88\u591a\u554f\u984c\uff0c\u4f46\u662f\u9084\u6709\u5c0f\u5925\u4f34\u9858\u610f\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>ViewBinding \u548c DataBinding \u70ba\u6211\u5011\u89e3\u6c7a\u4e86\u9019\u9ebc\u591a\u554f\u984c\uff0c\u4f46\u662f\u70ba\u4ec0\u9ebc\u5f88\u591a\u5c0f\u5925\u4f34\u5011\u4e0d\u9858\u610f\u4f7f\u7528 ViewBinding \u548c DataBinding\uff0c\u4eca\u5929\u6211\u5011\u5f9e\u4f7f\u7528\u7684\u89d2\u5ea6\u4f86\u5206\u6790\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ViewBinding \u548c DataBinding<\/h2>\n\n\n\n<p>\u6211\u5927\u6982\u5f59\u7e3d\u4e86 ViewBinding \u548c DataBinding \u5728\u4e0d\u540c\u5834\u666f\u7684\u6240\u6709\u7528\u6cd5\uff0c\u6211\u5011\u4f86\u770b\u4e00\u4e0b\u5728\u5c08\u6848\u4e2d\u5982\u4f55\u4f7f\u7528\u3002<\/p>\n\n\n\n<p><strong>\u57fa\u672c\u914d\u7f6e<\/strong><\/p>\n\n\n\n<p>\u5f9e <code>Android Studio 3.6<\/code> \u7248\u672c\u958b\u59cb\uff0c\u5c31\u5167\u5efa\u5728 Gradle \u5916\u639b\u4e2d\u4e86\uff0c\u4e0d\u9700\u8981\u65b0\u589e\u4efb\u4f55\u984d\u5916\u7684\u5eab\u4f86\u4f7f\u7528\u5b83\u5011\uff0c\u4f46\u662f\u5728 <code>Android Studio 3.6<\/code> \u548c <code>Android Studio 4.0<\/code> \u4e2d\u4f7f\u7528\u65b9\u5f0f\u4e0d\u4e00\u6a23\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">\/\/ Android Studio 3.6\nandroid {\n    viewBinding {\n        enabled = true\n    }\n    dataBinding{\n        enabled = true\n    }\n}\n\n\/\/ Android Studio 4.0\nandroid {\n    buildFeatures {\n        dataBinding = true\n        viewBinding = true\n    }\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">ViewBinding \u7684\u4f7f\u7528<\/h3>\n\n\n\n<p>\u56e0\u70ba\u6d89\u53ca\u5230\u7684\u5834\u666f\u6bd4\u8f03\u591a\uff0c\u70ba\u4e86\u6e1b\u5c11\u7bc7\u5e45\uff0c\u6211\u53ea\u5217\u51fa\u4f86\u6838\u5fc3\u90e8\u5206\uff0c\u5982\u679c\u4e4b\u524d\u5f9e\u4f86\u6c92\u6709\u7528\u904e\uff0c\u9019\u88e1\u53ea\u9700\u8981\u77e5\u9053 ViewBinding \u7684\u9580\u6abb\u6bd4 Kotlin \u5408\u6210\u65b9\u6cd5\u8981\u9ad8\u5373\u53ef\u3002<\/p>\n\n\n\n<p><strong>\u4e0d\u60f3\u70ba\u67d0\u500b\u4f48\u5c40\u751f\u6210 binding \u985e\uff0c\u5c07\u4e0b\u9762\u5c6c\u6027\u65b0\u589e\u5230\u4f48\u5c40\u6a94\u6848\u7684\u6839\u6aa2\u8996\u4e2d<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;LinearLayout tools:viewBindingIgnore=\"true\" &gt;\n&lt;\/LinearLayout&gt;\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Activity \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreate(savedInstanceState: Bundle?) {\n    super.onCreate(savedInstanceState)\n    val binding: ActivityMainBinding = ActivityMainBinding.inflate(layoutInflater)\n    setContentView(binding.root)\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Fragment \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {\n    val binding = FragmentViewBindBinding.inflate(inflater,container,false)\n    return binding.root\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Adapter \u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {\n    RecycleItemProductBinding.inflate(LayoutInflater.from(parent.context), parent, false)\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Dialog \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreate(savedInstanceState: Bundle?) {\n    binding = DialogAppBinding.inflate(layoutInflater)\n    setContentView(binding.root)\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>include \u6a19\u7c64\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p><code>include<\/code> \u6a19\u7c64\u4e0d\u5e36 <code>merge<\/code> \u6a19\u7c64\uff0c\u9700\u8981\u7d66 <code>include<\/code> \u6a19\u7c64\u65b0\u589e id, \u76f4\u63a5\u4f7f\u7528 id \u5373\u53ef\uff0c\u7528\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;include\n    android:id=\"@+id\/include\"\n    layout=\"@layout\/layout_include_item\" \/&gt;\n    \nval binding: ActivityMainBinding = ActivityMainBinding.inflate(layoutInflater)\nbinding.include.includeTvTitle.setText(\"\u4f7f\u7528 include \u4f48\u5c40\u4e2d\u7684\u63a7\u5236\u5143\u4ef6, \u4e0d\u5305\u542b merge\")\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><code>include<\/code> \u6a19\u7c64\u5e36 <code>merge<\/code> \u6a19\u7c64\uff0c<strong>\u6ce8\u610f\u9019\u88e1\u548c DataBinding \u7528\u6cd5\u4e0d\u4e00\u6a23<\/strong>\uff0c\u7d66 <code>include<\/code> \u6a19\u7c64\u65b0\u589e id\uff0c\u5728 DataBinding \u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 id\uff0cViewBinding \u5247\u4e0d\u884c\uff0cViewBinding \u7684\u7528\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;include layout=\"@layout\/layout_merge_item\" \/&gt;\n\nval binding: ActivityMainBinding = ActivityMainBinding.inflate(layoutInflater)\nval mergeItemBinding = LayoutMergeItemBinding.bind(binding.root)\nmergeItemBinding.mergeTvTitle.setText(\"\u4f7f\u7528 include \u4f48\u5c40\u4e2d\u7684\u63a7\u5236\u5143\u4ef6, \u5305\u542b merge\")\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>ViewStub \u6a19\u7c64\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p>\u6839\u64da\u5be6\u8e10\u8b49\u660e\uff0c\u622a\u6b62\u5230\u9019\u7bc7\u6587\u7ae0\u91cb\u51fa\u6642\uff0c\u5728 <code>Android Studio 4.2.0 bata 2<\/code> \u4e2d\uff0c\u7121\u6cd5\u76f4\u63a5\u5728 ViewBinding \u4f48\u5c40\u4e2d\u4f7f\u7528 <code>ViewStub<\/code> \u6a19\u7c64\uff0c\u50c5\u50c5\u53ea\u80fd\u5728 DataBinding \u4f48\u5c40\uff08\u5e36 <code>layout<\/code> \u6a19\u7c64\uff09\u4e2d\u4f7f\u7528\uff0c\u8a73\u898b <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9zdGFja292ZXJmbG93LmNvbS9xdWVzdGlvbnMvNTgxOTgyOTgvYW5kcm9pZC0zLTYtdmlld3N0dWJwcm94eS11bnJlc29sdmVkLXJlZmVyZW5jZQ==\" target=\"_blank\" rel=\"noreferrer noopener\">issue<\/a><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u56e0\u70ba\u6c92\u6709\u627e\u5230\u6bd4\u8f03\u6b0a\u5a01\u7684\u8cc7\u6599\u8b49\u660e\uff0c\u9019\u88e1\u5efa\u8b70\u5c0f\u5925\u5011\u76f4\u63a5\u5728\u5c08\u6848 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a> \u4e2d\u9032\u884c\u5617\u8a66\uff0c\u5982\u679c\u6709\u5176\u4ed6\u5728 ViewBinding \u4f48\u5c40\u4e2d\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u6b61\u8fce\u7559\u8a00\u544a\u77e5\u6211<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">DataBinding \u7684\u4f7f\u7528<\/h3>\n\n\n\n<p>\u56e0\u70ba\u6d89\u53ca\u5230\u7684\u5834\u666f\u6bd4\u8f03\u591a\uff0c\u70ba\u4e86\u6e1b\u5c11\u7bc7\u5e45\uff0c\u6211\u53ea\u5217\u51fa\u4f86\u6838\u5fc3\u90e8\u5206\uff0c\u5982\u679c\u4e4b\u524d\u5f9e\u4f86\u6c92\u6709\u7528\u904e\uff0c\u9019\u88e1\u53ea\u9700\u8981\u77e5\u9053 DataBinding \u7684\u9580\u6abb\u6bd4 Kotlin \u5408\u6210\u65b9\u6cd5\u8981\u9ad8\u5373\u53ef\u3002<\/p>\n\n\n\n<p><strong>\u9700\u8981\u7d66\u4f48\u5c40\u6a94\u6848\u65b0\u589e layout \u6a19\u7c64<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;layout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"&gt;\n    &lt;LinearLayout...&gt;\n    ...\n    &lt;\/LinearLayout\n&lt;\/layout&gt;\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Activity \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreate(savedInstanceState: Bundle?) {\n    super.onCreate(savedInstanceState)\n    val binding: ActivityMainBinding = DataBindingUtil.setContentView(this, R.layout.activity_main)\n    binding.lifecycleOwner = this\n    setContentView(binding.root)\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Fragment \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {\n    val binding = FragmentViewBindBinding.inflate(inflater,container,false)\n    binding.lifecycleOwner = this\n    return binding.root\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Adapter \u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {\n    val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)\n    val bidning:RecycleItemProductBinding =  DataBindingUtil.bind(view) \n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u5728 Dialog \u4e2d\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">override fun onCreate(savedInstanceState: Bundle?) {\n    binding = DataBindingUtil.inflate(LayoutInflater.from(context), R.layout.dialog_data_binding, null, false)\n    setContentView(binding.root)\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>include \u6a19\u7c64\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p><code>include<\/code> \u6a19\u7c64\u4e0d\u5e36 <code>merge<\/code> \u6a19\u7c64\uff0c\u9700\u8981\u7d66 <code>include<\/code> \u6a19\u7c64\u65b0\u589e id, \u76f4\u63a5\u4f7f\u7528 id \u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;include\n    android:id=\"@+id\/includeData\"\n    layout=\"@layout\/layout_include_data_item\"\/&gt;\n    \nval binding: ActivityMainBinding = DataBindingUtil.setContentView(this, R.layout.activity_main)\nbinding.includeData.includeTvTitle.setText(\"\u901a\u904e\u7a0b\u5f0f\u78bc\u8a2d\u5b9a include layout \u7684\u63a7\u5236\u5143\u4ef6\")\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><code>include<\/code> \u6a19\u7c64\u5e36 <code>merge<\/code> \u6a19\u7c64\uff0c<strong>\u6ce8\u610f\u9019\u88e1\u548c ViewBinding \u7528\u6cd5\u4e0d\u4e00\u6a23<\/strong>\uff0c\u7d66 <code>include<\/code> \u6a19\u7c64\u65b0\u589e id\uff0c\u5728 DataBinding \u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\uff0c\u5728 ViewBinding \u4e2d\u5247\u4e0d\u884c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;include\n    android:id=\"@+id\/includeDataMerge\"\n    layout=\"@layout\/layout_merge_data_item\"\/&gt;\n\nval binding: ActivityMainBinding = DataBindingUtil.setContentView(this, R.layout.activity_main)\nbinding.includeDataMerge.mergeTvTitle.setText(\"\u901a\u904e\u7a0b\u5f0f\u78bc\u8a2d\u5b9a merge layout \u7684\u63a7\u5236\u5143\u4ef6\")\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>ViewStub \u6a19\u7c64\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p>\u7d66 <code>ViewStub<\/code> \u6a19\u7c64\u65b0\u589e id, \u5728 DataBinding \u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 id \u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;ViewStub\n    android:id=\"@+id\/stub\"\n    android:layout_width=\"wrap_content\"\n    android:layout_height=\"wrap_content\"\n    android:layout=\"@layout\/view_stub\" \/&gt;\n\nbinding.stub.setOnInflateListener { stub, inflated -&gt;\n    \/\/ ViewBinding\n    val viewStub: ViewStubBinding = ViewStubBinding.bind(inflated)\n    viewStub.tvTitle.setText(\"\u4f7f\u7528 ViewStub \u8f09\u5165 ViewBinding \u4f48\u5c40\")\n}\n\nbinding.stub.setOnInflateListener { stub, inflated -&gt;\n    \/\/ DataBinding\n    val dataViewStub: ViewStubDataBinding = DataBindingUtil.bind(inflated)!!\n    dataViewStub.tvTitle.setText(\"\u4f7f\u7528 ViewStub \u8f09\u5165 DataBinding \u4f48\u5c40\")\n}\n                \nif (!binding.stub.isInflated) {\n    binding.stub.viewStub!!.inflate()\n}   \n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u6b63\u5982\u4f60\u6240\u898b\uff0c\u5728 <code>Ativity<\/code> \u3001 <code>Fragment<\/code> \u3001 <code>Dialog<\/code> \u3001 <code>Adapter<\/code> \u3001 <code>include<\/code> \u3001 <code>merge<\/code> \u3001 <code>ViewStub<\/code> \u7b49\u7b49\u5834\u666f\u4e2d\uff0c\u4f7f\u7528 ViewBinding \u6216\u8005 DataBinding \u90fd\u8981\u9032\u884c\u4e0d\u540c\u7684\u8655\u7406\uff0c\u76f8\u6bd4\u65bc Kotlin \u5408\u6210\u65b9\u6cd5\uff0c\u9019\u4f7f\u7528\u9580\u6abb\u592a\u9ad8\u4e86\u3002<\/p>\n\n\n\n<p>\u90a3\u9ebc\u80fd\u4e0d\u80fd\u7528\u4e00\u7a2e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7d71\u4e00\u9019\u4e9b\u521d\u59cb\u5316\u65b9\u6848\uff0c\u5728 Kotlin \u4e2d\u50c5\u50c5\u9700\u8981\u4e00\u884c\u7a0b\u5f0f\u78bc\u5373\u53ef\u5be6\u73fe DataBinding \u548c ViewBinding\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u884c\u7a0b\u5f0f\u78bc<\/h3>\n\n\n\n<p>\u5982\u679c\u5728\u6bcf\u500b\u5834\u666f\u4e2d\u90fd\u9700\u8981\u624b\u52d5\u9032\u884c\u4e0d\u540c\u7684\u8655\u7406\uff0c\u9019\u6a23\u7684\u6210\u672c\u662f\u975e\u5e38\u5927\u7684\uff0c\u56e0\u6b64\u6211\u63a8\u51fa\u4e86\u4e00\u500b\u65b0\u5eab <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a> \uff0cBinding \u7d50\u5408 Kotlin \u59d4\u8a17\u5c6c\u6027\uff0c\u7d71\u4e00\u5c01\u88dd\u4e86 DataBinding \u548c ViewBinding \u4e0d\u540c\u7684\u8655\u7406\uff0c \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API \u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<p><strong>ViewBinding \u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">val binding: ActivityViewBindBinding by viewbind()\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>DataBinding \u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">val binding: ActivityDataBindBinding by databind(R.layout.activity_data_bind)\n\u6216\u8005\nval binding: ActivityDataBindBinding by databind()\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u6b63\u5982\u4f60\u6240\u898b\uff0c\u53ea\u9700\u8981\u7c21\u55ae\u7684\u5e7e\u500b API \u5373\u53ef\u5be6\u73fe\u4e0a\u8ff0\u6240\u6709\u5834\u666f\uff0c\u6211\u5011\u5148\u4f86\u4ecb\u7d39\u4e00\u4e0b <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a>\u3002<\/p>\n\n\n\n<p>Binding \u672a\u4f86\u7684\u898f\u5283\u63d0\u4f9b\u901a\u7528\u7684 <code>findViewById<\/code> \u89e3\u6c7a\u65b9\u6848\uff0c\u56e0\u6280\u8853\u7684\u8fed\u4ee3\u66f4\u65b0\u5f9e <code>butterknife<\/code> \u3001 <code>DataBinding<\/code> \u3001 Kotlin \u5408\u6210\u65b9\u6cd5\uff08Synthetic \u6aa2\u8996\uff09\u5230\u73fe\u5728 ViewBinding \uff0c \u672a\u4f86\u4e5f\u6709\u53ef\u80fd\u51fa\u73fe\u65b0\u7684\u6280\u8853\uff0c\u7121\u8ad6\u6280\u8853\u600e\u9ebc\u8b8a\u5316\uff0c\u53ea\u8981 Binding \u5c0d\u5916\u7684\u4f7f\u7528\u4fdd\u6301\u4e0d\u8b8a\uff0c\u53ea\u9700\u8981\u66f4\u65b0 Binding \uff0c\u5373\u53ef\u5b8c\u6210\u9077\u79fb\u3002<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a> \u5177\u6709\u4ee5\u4e0b\u512a\u9ede\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u63d0\u4f9b\u4e86\u5f88\u591a\u5be6\u6230\u6848\u4f8b\u5305\u542b <code>Ativity<\/code> \u3001 <code>Fragment<\/code> \u3001 <code>Dialog<\/code> \u3001 <code>Adapter<\/code> \u3001 <code>include<\/code> \u3001 <code>merge<\/code> \u3001 <code>ViewStub<\/code> \u3001 <code>Navigation<\/code> \u3001 \u8cc7\u6599\u96d9\u5411\u7e6b\u7d50 \u7b49\u7b49\u5834\u666f<\/li><li>\u7c21\u55ae\u7684 API \u53ea\u9700\u8981\u4e00\u884c\u7a0b\u5f0f\u78bc\u5373\u53ef\u5be6\u73fe DataBinding \u6216\u8005 ViewBinding<\/li><li>\u652f\u63f4\u5728 <code>Activity<\/code> \u3001<code>AppCompatActivity<\/code> \u3001<code>FragmentActivity<\/code> \u3001<code>Fragment<\/code> \u3001<code>Dialog<\/code> \u4e2d\u7684\u4f7f\u7528 DataBinding \u6216\u8005 ViewBinding<\/li><li>\u652f\u63f4\u5728 <code>ListAdapter<\/code> \u3001 <code>PagedListAdapter<\/code> \u3001 <code>PagingDataAdapter<\/code> \u3001 <code>RecyclerView.Adapter<\/code> \u4e2d\u7684\u4f7f\u7528 DataBinding \u6216\u8005 ViewBinding<\/li><li>\u652f\u63f4\u5728 Navigaion Fragment \u7ba1\u7406\u6846\u67b6\u3001 BottomSheetDialogFragment \u7b49\u7b49\u5834\u666f\u4e2d\u4f7f\u7528 DataBinding \u548c ViewBinding<\/li><li>\u907f\u514d\u5927\u91cf\u7684\u6a21\u677f\u7a0b\u5f0f\u78bc<\/li><li>\u907f\u514d\u8a18\u61b6\u9ad4\u6d29\u9732\uff0c\u5177\u6709\u751f\u547d\u9031\u671f\u611f\u77e5\u80fd\u529b\uff0c\u7576\u751f\u547d\u9031\u671f\u8655\u65bc <code>onDestroyed()<\/code> \u6642\u6703\u81ea\u52d5\u92b7\u71ec\u8cc7\u6599<\/li><\/ul>\n\n\n\n<p>\u63a5\u4e0b\u4f86\u6211\u5011\u4e00\u8d77\u4f86\u5206\u6790\u4e00\u4e0b\u5982\u4f55\u5728\u5c08\u6848\u4e2d\u4f7f\u7528 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a>\uff0c\u5c07\u4e0b\u5217\u7a0b\u5f0f\u78bc\u65b0\u589e\u5728\u6a21\u7d44\u7d1a <code>build.gradle<\/code> \u6a94\u6848\u5167\uff0c\u4e26\u4e14\u9700\u8981\u958b\u555f DataBinding \u6216\u8005 ViewBinding\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">dependencies {\n    implementation 'com.hi-dhl:binding:1.0.7'\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u5728 <code>Activity<\/code> \u3001<code>AppCompatActivity<\/code> \u3001<code>FragmentActivity<\/code> \u4e2d\u4f7f\u7528\uff0c\u65b0\u589e <code>by viewbind()<\/code> \u6216\u8005 <code>by databind(R.layout.activity_main)<\/code> \u5373\u53ef\uff0c\u793a\u4f8b\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class MainActivity : AppCompatActivity() {\n\n    \/\/ DataBinding\n    val binding: ActivityMainBinding by databind(R.layout.activity_main)\n    \n    \/\/ ViewBinding\n    val binding: ActivityMainBinding by viewbind()\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u5728 <code>Fragment<\/code> \u4e2d\u63d0\u4f9b\u4e86\u5169\u7a2e\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u65b9\u5f0f\u4e00\uff1a\u5728 <code>onCreateView<\/code> \u4e2d\u4f7f\u7528\uff0c\u9019\u7a2e\u65b9\u5f0f\u9069\u7528\u65bc\u6240\u6709\u4f7f\u7528 <code>Fragment<\/code> \u7684\u5834\u666f<\/li><li>\u65b9\u5f0f\u4e8c\uff1a\u5728 <code>onViewCreated<\/code> \u4e2d\u4f7f\u7528<\/li><\/ul>\n\n\n\n<p><strong>\u65b9\u5f0f\u4e00\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class FragmentNav1 : Fragment(R.layout.fragment_main) {\n    \n    \/\/ DataBinding\n  \tval binding: FragmentMainBinding by databind()\n    \n    \/\/ ViewBinding\n  \t val binding: FragmentMainBinding by viewbind()\n  \n    override fun onCreateView(\n        inflater: LayoutInflater, container: ViewGroup?,\n        savedInstanceState: Bundle?\n    ): View {\n        return binding.root\n    }\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p><strong>\u65b9\u5f0f\u4e8c\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4e0d\u80fd\u5728 <code>Navigaion Fragment<\/code> \u548c <code>BottomSheetDialogFragment<\/code> \u4e2d\u4f7f\u7528<\/li><li>\u5728\u5176\u4ed6 Fragment \u5834\u666f\u4e2d\uff0c\u5982\u679c\u4f7f\u7528 <code>\u65b9\u5f0f\u4e8c<\/code> \u4ecb\u9762\u4e0d\u986f\u793a\uff0c\u6539\u7528 <code>\u65b9\u5f0f\u4e00<\/code> \u5373\u53ef\u89e3\u6c7a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class FragmentNav1 : Fragment(R.layout.fragment_main) {\n    \n    \/\/ DataBinding\n  \tval binding: FragmentMainBinding by databind()\n    \n    \/\/ ViewBinding\n  \t val binding: FragmentMainBinding by viewbind()\n  \n    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {\n        super.onViewCreated(view, savedInstanceState)\n        binding.apply { textView.setText(\"Binding\") }\n    }\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u5728 <code>Dialog<\/code> \u4e2d\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class AppDialog(context: Context) : Dialog(context, R.style.AppDialog) {\n\n    \/\/ DataBinding\n    val binding: DialogAppBinding by databind(R.layout.dialog_data_binding)\n    \n    \/\/ ViewBinding\n    val binding: DialogAppBinding by viewbind()\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u6216\u8005\u65b0\u589e\u5177\u6709\u751f\u547d\u9031\u671f\u611f\u77e5\u7684 <code>Dialog<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class AppDialog(context: Context,lifecycle: Lifecycle) : Dialog(context, R.style.AppDialog) {\n\n    \/\/ DataBinding \u76e3\u807d\u751f\u547d\u9031\u671f\n    val binding: DialogAppBinding by databind(R.layout.dialog_data_binding, lifecycle)\n    \n    \/\/ ViewBinding \u76e3\u807d\u751f\u547d\u9031\u671f\n    val binding: DialogAppBinding by viewbind(lifecycle)\n    \n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u5728 Adapter \u4e2d\u4f7f\u7528 DataBinding \u548c ViewBinding\uff0c\u53ea\u9700\u8981\u5728 ViewHolder \u4e2d\u65b0\u589e <code>by viewbind()<\/code> \u6216\u8005 <code>by databind()<\/code> \u5373\u53ef\uff0c\u793a\u4f8b\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">class ProductViewHolder(view: View) : RecyclerView.ViewHolder(view) {\n    \n    \/\/ DataBinding\n    val binding: RecycleItemProductBinding by databind()\n\n    \/\/ ViewBinding\n    val binding: RecycleItemProductHeaderBinding by viewbind()\n\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u64f4\u5145\u5957\u4ef6\u65b9\u6cd5\uff0c\u652f\u63f4 DataBinding \u521d\u59cb\u5316\u7684\u6642\u5019\u7e6b\u7d50\u8cc7\u6599\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">val binding: ActivityDataBindBinding by databind(R.layout.activity_data_bind) {\n    val account = Account()\n    account.name = \"test\"\n    this.account = account\n}\n\u8907\u88fd\u7a0b\u5f0f\u78bc<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u53ea\u662f\u5e38\u898b\u7684\u5e7e\u7a2e\u7528\u6cd5\uff0c\u7576\u7136\u9084\u6709\u66f4\u591a\u5be6\u6230\u6848\u4f8b\uff08<code>include<\/code> \u3001 <code>merge<\/code> \u3001 <code>ViewStub<\/code> \u3001 <code>Navigation<\/code> \u3001 \u8cc7\u6599\u96d9\u5411\u7e6b\u7d50 \u7b49\u7b49\uff09\u5df2\u7d93\u4e0a\u50b3\u5230 GitHub \u6b61\u8fce\u524d\u53bb\u5009\u5eab <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">Binding<\/a> \u6aa2\u8996\u3002<\/p>\n\n\n\n<p>GitHub \u5009\u5eab: <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9naXRodWIuY29tL2hpLWRobC9CaW5kaW5n\" target=\"_blank\" rel=\"noreferrer noopener\">github.com\/hi-dhl\/Bind\u2026<\/a><\/p>\n\n\n\n<p>\u9019\u7bc7\u6587\u7ae0\u53ef\u4ee5\u7406\u89e3\u70ba\u5c0d\u4e4b\u524d\u7684\u6587\u7ae0 <a href=\"https:\/\/www.gushiciku.cn\/jump\/aHR0cHM6Ly9qdWVqaW4uY24vcG9zdC82OTA1OTQyNTY4NDY3NzU5MTEx\" target=\"_blank\" rel=\"noreferrer noopener\">Kotlin \u5916\u639b\u7684\u843d\u5e55\uff0cViewBinding \u7684\u5d1b\u8d77<\/a> \u7684\u4e00\u500b\u88dc\u5145\uff0c\u5f9e\u4f7f\u7528\u7684\u89d2\u5ea6\u5206\u6790\u4e86 DataBinding \u548c ViewBinding \u4e0d\u540c\u4e4b\u8655\uff0c\u540c\u6642\u4e5f\u4ecb\u7d39\u77ad\u5982\u4f55\u7528\u66f4\u7c21\u55ae\u7684\u65b9\u5f0f\u5be6\u73fe DataBinding \u548c ViewBinding\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1aHiDhl \u4f86\u6e90\uff1ahttps:\/\/www.gushiciku.cn\/pl\/gfG8\/zh-tw \u6b63\u6587\u958b\u59cb &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[32,33],"class_list":["post-1086","post","type-post","status-publish","format-standard","hentry","category-2","tag-32","tag-33"],"_links":{"self":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/1086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1086"}],"version-history":[{"count":1,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/1086\/revisions"}],"predecessor-version":[{"id":1087,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/1086\/revisions\/1087"}],"wp:attachment":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}