{"id":212,"date":"2025-03-03T17:49:13","date_gmt":"2025-03-03T09:49:13","guid":{"rendered":"http:\/\/www.devblog.cn\/?p=212"},"modified":"2025-03-03T17:56:30","modified_gmt":"2025-03-03T09:56:30","slug":"android-handler%e6%ba%90%e7%a0%81%e8%a7%a3%e6%9e%90-%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.devblog.cn\/?p=212","title":{"rendered":"Android-Handler\u6e90\u7801\u89e3\u6790-\u4f7f\u7528"},"content":{"rendered":"<h1>Android-Handler\u6e90\u7801\u89e3\u6790-\u4f7f\u7528<\/h1>\n<blockquote><p>\n  \u6e90\u7801\u7248\u672c\uff1a<br \/>\n  * <strong>Handler<\/strong>\uff1aSDK-35<br \/>\n  * <strong>\u66f4\u65b0\u65f6\u95f4<\/strong>\uff1a2025-3\u6708<\/p>\n<p>  <strong>\u5bfc\u822a\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/juejin.cn\/post\/7475656733558652943\">Android-Handler\u6e90\u7801\u89e3\u6790-\u4f7f\u7528<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085976728538972190\">Android-Handler\u6e90\u7801\u89e3\u6790-Handler\uff08\u4e00\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085976341056585742\">Android-Handler\u6e90\u7801\u89e3\u6790-Looper\uff08\u4e8c\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085977128092565512\">Android-Handler\u6e90\u7801\u89e3\u6790-MessageQueue\uff08\u4e09\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085975951414132766\">Android-Handler\u6e90\u7801\u89e3\u6790-Message\uff08\u56db\uff09<\/a><\/li>\n<li>\u66f4\u591a\u7684\u6587\u7ae0\u770b\u8fd9\u91cc\uff1a<a href=\"https:\/\/juejin.cn\/user\/4450479132652679\/posts\">\u4e3b\u9875<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<h1>Handler<\/h1>\n<h2>\u521b\u5efaHandler<\/h2>\n<h3>\u4e3b\u7ebf\u7a0b<\/h3>\n<pre><code class=\"language-kotlin\">\/\/ \u4e3b\u7ebf\u7a0bHandler\nval handler = object : Handler(Looper.getMainLooper()) {\n    override fun handleMessage(msg: Message) {\n        super.handleMessage(msg)\n        \/\/ \u7528\u6765\u5904\u7406\u6d88\u606f\uff0c\u6709handler.sendMessage()\u65f6\uff0c\u9700\u8981\u5b9e\u73b0\u6b64\u65b9\u6cd5\uff1b\u53eahandler.post()\u65f6\uff0c\u4e0d\u7528\u5b9e\u73b0\u6b64\u65b9\u6cd5\u3002\n    }\n}\n<\/code><\/pre>\n<h3>\u5b50\u7ebf\u7a0b<\/h3>\n<pre><code class=\"language-kotlin\">\/\/ \u5f00\u542f\u5b50\u7ebf\u7a0b\nthread {\n    \/\/ \u51c6\u5907\n    Looper.prepare()\n    val threadHandler = object : Handler(Looper.myLooper()!!) {\n        override fun handleMessage(msg: Message) {\n            super.handleMessage(msg)\n            \/\/ \u7528\u6765\u5904\u7406\u6d88\u606f\uff0c\u6709handler.sendMessage()\u65f6\uff0c\u9700\u8981\u5b9e\u73b0\u6b64\u65b9\u6cd5\uff1b\u53eahandler.post()\u65f6\uff0c\u4e0d\u7528\u5b9e\u73b0\u6b64\u65b9\u6cd5\u3002\n        }\n    }\n    \/\/ \u8f6e\u8be2\n    Looper.loop()\n    \/\/ \u540e\u9762\u6267\u884c\u4e0d\u4e86\uff0c\u9664\u975eLooper\u9000\u51fa\u3002\n}\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><strong>\u5b50\u7ebf\u7a0b<\/strong>\u7684\u4f7f\u7528\u4e3a<strong>\u5b8c\u6574<\/strong>\u7684<code>Looper<\/code>\u4f7f\u7528\uff08\u9700\u8981\u5148<code>prepare()<\/code>\u51c6\u5907\u540e<code>loop()<\/code>\u8f6e\u8be2\uff09\uff0c<strong>\u4e3b\u7ebf\u7a0b<\/strong>\u7684\u56e0\u5df2\u5728<code>ActivityThread<\/code>\u64cd\u4f5c\u4e86\u6240\u4ee5<strong>\u6b64\u7ebf\u7a0b<\/strong>\u4e0d\u518d\u9700\u8981\u4e86\u3002<\/li>\n<li><code>Looper<\/code>\u76f8\u5173\u4ecb\u7ecd\uff0c\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085976341056585742\">Android-Handler\u6e90\u7801\u89e3\u6790-Looper<\/a>\u3002<\/li>\n<li><code>Handler<\/code>\u76f8\u5173\u4ecb\u7ecd\uff0c\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085976728538972190\">Android-Handler\u6e90\u7801\u89e3\u6790-Handler<\/a>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u521b\u5efaMessage<\/h2>\n<ul>\n<li>obtainMessage()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">handler.obtainMessage()\nhandler.obtainMessage(what)\nhandler.obtainMessage(what, obj)\nhandler.obtainMessage(what, arg1, arg2)\nhandler.obtainMessage(what, arg1, arg2, obj)\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>handler.obtainMessage()<\/code>\u65b9\u6cd5\uff0c\u4f7f\u7528<code>Message.obtain()<\/code>\u65b9\u6cd5<strong>\u521b\u5efa\u6d88\u606f<\/strong>\uff0c\u5e76\u5c06\u5176<code>Message<\/code>\u7684<code>target<\/code>\u4e3a\u5f53\u524d<code>Handler<\/code>\uff0c\u4ee5\u8fdb\u884c<code>Message<\/code>\u548c<code>Handler<\/code><strong>\u4e00\u5bf9\u4e00<\/strong>\u7ed1\u5b9a\u3002\u5982\u679c\u9700\u8981\u4f7f\u7528\u539f\u59cb\u7684\uff0c\u8bf7\u4f7f\u7528<code>Message.obtain()<\/code>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u53d1\u9001<\/h2>\n<h3>send-Message<\/h3>\n<ul>\n<li>sendMessage()<\/li>\n<li>sendEmptyMessage()<\/li>\n<li>sendMessageDelayed()<\/li>\n<li>sendEmptyMessageDelayed()<\/li>\n<li>sendMessageAtTime()<\/li>\n<li>sendEmptyMessageAtTime()<\/li>\n<li>sendMessageAtFrontOfQueue()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">val what = 111\n\/\/ sendMessage\nhandler.sendMessage(Message.obtain())\nhandler.sendEmptyMessage(what)\n\/\/ sendMessageDelayed\nhandler.sendMessageDelayed(Message.obtain(), 2000)\nhandler.sendEmptyMessageDelayed(what, 2000)\n\/\/ sendMessageAtTime\nhandler.sendMessageAtTime(Message.obtain(), SystemClock.uptimeMillis() + 2000)\nhandler.sendEmptyMessageAtTime(what, SystemClock.uptimeMillis() + 2000)\n\/\/ sendMessageAtFrontOfQueue\nhandler.sendMessageAtFrontOfQueue(Message.obtain())\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>sendMessage()<\/code>\u3001<code>sendEmptyMessage()<\/code>\u4e3a<strong>\u53d1\u9001\u7acb\u5373Message<\/strong>\uff0c<code>sendMessageDelayed()<\/code>\u3001<code>sendEmptyMessageDelayed()<\/code>\u4e3a<strong>\u53d1\u9001\u5ef6\u8fdfMessage<\/strong>\uff0c<code>sendMessageAtTime()<\/code>\u3001<code>sendEmptyMessageAtTime()<\/code>\u4e3a<strong>\u53d1\u9001\u6307\u5b9a\u65f6\u523bMessage<\/strong>\uff0c<code>sendMessageAtFrontOfQueue()<\/code>\u4e3a<strong>\u53d1\u9001\u6392\u5728\u6d88\u606f\u961f\u5217\u7684\u524d\u9762\u7684Message<\/strong>\u3002<\/li>\n<li>\u53c2\u6570<code>message<\/code>\uff1a<strong>\u540c\u4e00\u4e2a<\/strong>\u6d88\u606f\uff0c<strong>\u4e0d\u53ef\u4ee5<\/strong>\u88ab\u53d1\u9001\u591a\u6b21\uff0c\u5426\u5219\u5d29\u6e83\uff0c\u63a8\u8350\u6bcf\u6b21\u4f7f\u7528<code>Message.obtain()<\/code>\u83b7\u53d6\u65b0\u7684<code>Message<\/code>\u3002<\/li>\n<li>\u53c2\u6570<code>what<\/code>\uff1a\u4e3a\u6807\u8bb0<code>Message<\/code>\u7684\u6807\u8bc6\uff0c\u7528\u4e8e\u63a5\u6536\u5904\u7406\u6d88\u606f\u65f6\u3001\u5220\u9664\u6d88\u606f\u65f6\u5224\u65ad\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h3>post-Runnable<\/h3>\n<ul>\n<li>post()<\/li>\n<li>postAtTime()<\/li>\n<li>postDelayed()<\/li>\n<li>postAtFrontOfQueue()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">\/\/ post\nhandler.post(runnable)\n\/\/ postAtTime\nhandler.postAtTime(runnable, SystemClock.uptimeMillis() + 2000)\nhandler.postAtTime(runnable, token, SystemClock.uptimeMillis() + 2000)\n\/\/ postDelayed\nhandler.postDelayed(runnable, 2000)\nhandler.postDelayed(runnable, token, 2000)\n\/\/ postAtFrontOfQueue\nhandler.postAtFrontOfQueue(runnable)\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>post()<\/code>\u4e3a<strong>\u53d1\u9001\u7acb\u5373Runnable<\/strong>\uff0c<code>postAtTime()<\/code>\u4e3a<strong>\u53d1\u9001\u5ef6\u8fdfRunnable<\/strong>\uff0c<code>postDelayed()<\/code>\u4e3a<strong>\u53d1\u9001\u6307\u5b9a\u65f6\u523bRunnable<\/strong>\uff0c<code>postAtFrontOfQueue()<\/code>\u4e3a<strong>\u53d1\u9001\u6392\u5728\u6d88\u606f\u961f\u5217\u7684\u524d\u9762\u7684Runnable<\/strong>\u3002<\/li>\n<li>\u53c2\u6570<code>runnable<\/code>\uff1a<strong>\u540c\u4e00\u4e2a<\/strong>\u6d88\u606f\uff0c<strong>\u53ef\u4ee5<\/strong>\u88ab\u53d1\u9001\u591a\u6b21\uff0c\u53ef\u4ee5\u914d\u5408\u53c2\u6570<code>token<\/code>\u4f7f\u7528\uff0c\u8fd9\u6837\u80fd\u66f4\u7cbe\u786e\u7684\u627e\u5230\u6b64<code>runnable<\/code>\uff08\u5220\u9664\u7528\uff09\u3002<\/li>\n<li>\u53c2\u6570<code>token<\/code>\uff1a\u4e3a\u6807\u8bb0<code>Runnable<\/code>\u7684\u6807\u8bc6\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u5904\u7406Message<\/h2>\n<p>\u6709<code>handler.sendMessage()<\/code>\u65f6\uff0c\u624d\u9700\u8981\u5904\u7406\u6d88\u606f\u7684\u63a5\u53d7\uff0c\u91cd\u5199\u67d0<code>Handler<\/code>\u7684<code>handleMessage()<\/code>\u65b9\u6cd5\u3002<\/p>\n<pre><code class=\"language-kotlin\">override fun handleMessage(msg: Message) {\n    super.handleMessage(msg)\n    if (msg.what == 111) {\n        \/\/ \u662f\u81ea\u5df1\u53d1\u7684\u6d88\u606f\uff0c\u5904\u7406\u3002\n    }\n}\n<\/code><\/pre>\n<h2>\u79fb\u9664<\/h2>\n<ul>\n<li>removeMessages()<\/li>\n<li>removeCallbacks()<\/li>\n<li>removeCallbacksAndMessages()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">\/\/ removeMessages\nhandler.removeMessages(what)\nhandler.removeMessages(what, obj)\n\/\/ removeCallbacks\nhandler.removeCallbacks(runnable)\nhandler.removeCallbacks(runnable, token)\n\/\/ removeCallbacksAndMessages\nhandler.removeCallbacksAndMessages(token)\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>removeMessages()<\/code>\uff1a\u4e3a\u5220\u9664\u6b64<code>Message<\/code>\uff0c\u53c2\u6570<code>what<\/code>\u4e3a<code>Message<\/code>\u7684\u6807\u8bc6\uff0c\u53c2\u6570<code>obj<\/code>\u4e3a\u8f85\u52a9\uff08\u5220\u9664\u540c\u65f6\u6ee1\u8db3<code>what<\/code>\u548c<code>obj<\/code>\u7684<code>Message<\/code>\uff09\u3002<\/li>\n<li><code>removeCallbacks()<\/code>\uff1a\u4e3a\u5220\u9664\u6b64<code>Runnable<\/code>\uff0c\u53c2\u6570<code>runnable<\/code>\u4e3a<code>Runnable<\/code>\u5bf9\u8c61\uff0c\u53c2\u6570<code>token<\/code>\u4e3a\u8f85\u52a9\uff08\u5220\u9664\u540c\u65f6\u6ee1\u8db3<code>runnable<\/code>\u548c<code>token<\/code>\u7684<code>Runnable<\/code>\uff09\u3002<\/li>\n<li><code>removeCallbacksAndMessages()<\/code>\uff1a\u4e3a\u5220\u9664\u6b64<code>Message<\/code>\u548c\u6b64<code>Runnable<\/code>\uff0c\u53c2\u6570<code>token<\/code>\u4e3a<code>Message<\/code>\u3001<code>Runnable<\/code>\u7684\u6807\u8bc6\u3002\u53c2\u6570<code>token<\/code>\u4e3a\u5220\u9664\u6240\u6709<code>obj<\/code>\u4e3a<code>token<\/code>\u7684<code>Runnable<\/code>\u548c<code>Message<\/code>\uff0c\u5982\u679c<code>token<\/code>\u4e3a\u7a7a\uff0c\u6240\u6709<code>Runnable<\/code>\u548c<code>Message<\/code>\u5c06\u88ab\u5220\u9664\u3002<\/li>\n<li>\u4ee5\u4e0a\u79fb\u9664\u65b9\u6cd5\uff0c\u5168\u90e8\u53ea\u80fd\u79fb\u9664\u6b64<code>handler<\/code>\u53d1\u51fa\u7684<code>Message<\/code>\u3001<code>Runnable<\/code>\uff0c\u4e0d\u80fd\u79fb\u9664\u5176\u4ed6<code>handler<\/code>\u53d1\u51fa\u7684\u3002<\/li>\n<li>\u4e3a\u4e86\u89e3\u51b3<code>Handler<\/code>\u5f15\u8d77\u7684<strong>\u5185\u5b58\u6cc4\u9732<\/strong>\u95ee\u9898\uff0c\u53ef\u4ee5\u628a<code>Handler<\/code>\u6539\u4e3a<strong>\u9759\u6001\u7c7b<\/strong>\uff0c\u5e76\u4f7f\u7528<code>WeakReference<\/code>\u64cd\u4f5c\uff0c\u5e76\u5728<code>Activiy<\/code>\u7684<code>onDestroy()<\/code>\u65b9\u6cd5\u5185\u8c03\u7528\u5982\u4e0b\uff1a<code>handler.removeCallbacksAndMessages(null);<\/code>\uff0c\u6b64\u4e3a\u5728\u9875\u9762\u9500\u6bc1\u7684\u65f6\u79fb\u9664\u6b64<code>handler<\/code>\u53d1\u51fa\u7684\u6240\u6709<code>Message<\/code>\u3001<code>Runnable<\/code>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u5224\u65ad<\/h2>\n<ul>\n<li>hasMessages()<\/li>\n<li>hasCallbacks()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">\/\/ hasMessages\nhandler.hasMessages(what)\nhandler.hasMessages(what, obj)\n\/\/ hasCallbacks\nhandler.hasCallbacks(runnable)\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>hasMessages()<\/code>\uff1a\u4e3a\u5224\u65ad\u662f\u5426\u6709\u6b64<code>Message<\/code>\uff0c\u53c2\u6570<code>what<\/code>\u4e3a<code>Message<\/code>\u7684\u6807\u8bc6\uff0c\u53c2\u6570<code>obj<\/code>\u4e3a\u8f85\u52a9\uff08\u5224\u65ad\u662f\u5426\u540c\u65f6\u6ee1\u8db3<code>what<\/code>\u548c<code>obj<\/code>\u7684<code>Message<\/code>\uff09\u3002<\/li>\n<li><code>hasCallbacks()<\/code>\uff1a\u4e3a\u5224\u65ad\u662f\u5426\u6709\u6b64<code>Runnable<\/code>\uff0c\u53c2\u6570<code>runnable<\/code>\u4e3a<code>Runnable<\/code>\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h1>Looper<\/h1>\n<h2>\u521b\u5efaLooper<\/h2>\n<ul>\n<li>Looper.prepare()<\/li>\n<li>Looper.prepareMainLooper()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">Looper.prepare()\nLooper.prepareMainLooper()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><strong>\u521b\u5efa<\/strong>&#8211;<strong>\u975e\u4e3b\u7ebf\u7a0b<\/strong><code>Looper<\/code>\uff0c<strong>\u53ea\u80fd<\/strong>\u901a\u8fc7<code>Looper.prepare()<\/code>\u65b9\u6cd5<strong>\u521b\u5efa<\/strong>\uff0c\u5b83\u662f<strong>\u5141\u8bb8\u9000\u51fa<\/strong>\u7684\u3002<\/li>\n<li><strong>\u521b\u5efa<\/strong>&#8211;<strong>\u4e3b\u7ebf\u7a0b<\/strong><code>Looper<\/code>\uff0c\u5b83\u662f\u901a\u8fc7<code>Android<\/code>\u7cfb\u7edf<strong>\u521b\u5efa<\/strong>\uff08<code>ActivityThread<\/code>\u7684<code>main<\/code>\u65b9\u6cd5\u5185\u8c03\u7528<code>Looper.prepareMainLooper()<\/code>\u521b\u5efa\uff09\uff0c\u5b83\u662f<strong>\u4e0d\u5141\u8bb8\u9000\u51fa<\/strong>\u7684\u3002<\/li>\n<li><code>Looper<\/code>\u76f8\u5173\u4ecb\u7ecd\uff0c\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085976341056585742\">Android-Handler\u6e90\u7801\u89e3\u6790-Looper<\/a>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u83b7\u53d6Looper<\/h2>\n<ul>\n<li>handler.looper<\/li>\n<li>Looper.myLooper()<\/li>\n<li>Looper.getMainLooper()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">val looper = handler.looper\nval mainLooper = Looper.getMainLooper()\nval currentLooper = Looper.myLooper()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>handler.looper<\/code>\uff1a\u901a\u8fc7<code>handler<\/code>\u83b7\u53d6<code>Looper<\/code>\u3002<\/li>\n<li><code>Looper.myLooper()<\/code>\uff1a\u83b7\u53d6<strong>\u8c03\u7528\u7ebf\u7a0b<\/strong>\u7684<code>Looper<\/code>\uff0c\u5982\u679c\u6ca1\u6709\u8c03\u7528<code>Looper.prepare()<\/code>\uff0c\u5219\u4f1a\u4e3a<code>null<\/code>\u3002<\/li>\n<li><code>Looper.getMainLooper()<\/code>\uff1a\u83b7\u53d6<strong>\u4e3b\u7ebf\u7a0b<\/strong>\u7684<code>Looper<\/code>\uff0c\u5df2\u7ecf\u7ef4\u62a4\u597d\u4e86\uff0c\u4e0d\u4f1a\u4e3a<code>null<\/code>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u8f6e\u8be2Looper<\/h2>\n<ul>\n<li>Looper.loop()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">Looper.loop()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>Looper.loop()<\/code>\uff1a\u8f6e\u8be2\u5f53\u524d<code>Looper<\/code>\uff0c\u65b9\u6cd5\u8c03\u7528\u4e4b\u524d<strong>\u4e00\u5b9a<\/strong>\u8981\u4e3a<strong>\u5f53\u524d\u7ebf\u7a0b<\/strong>\u51c6\u5907<code>Looper<\/code>\uff08\u8c03\u7528<code>Looper.prepare()<\/code>\uff09\uff0c\u5426\u5219<strong>\u629b\u51fa\u5f02\u5e38<\/strong>\u3002<\/li>\n<li><code>Looper.loop()<\/code>\u540e\u9762\u7684\u4ee3\u7801\u4e0d\u4f1a\u6267\u884c\u5230\uff0c\u9664\u975e<code>Looper<\/code>\u9000\u51fa\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u9000\u51faLooper<\/h2>\n<ul>\n<li>looper.quit()<\/li>\n<li>looper.quitSafely()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">looper.quit()\nlooper.quitSafely()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>looper.quit()<\/code>\uff1a\u4e0d\u5b89\u5168\u9000\u51fa\uff0c\u5b83\u4f1a<strong>\u5220\u9664\u6d88\u606f\u961f\u5217<\/strong>\u4e2d<strong>\u6240\u6709\u6d88\u606f<\/strong>\u3002\u5728<strong>\u4e0d\u5904\u7406<\/strong>\u6d88\u606f\u961f\u5217\u4e2d\u7684<strong>\u4efb\u4f55\u6d88\u606f<\/strong>\u7684\u60c5\u51b5\u4e0b<strong>\u7ec8\u6b62<\/strong>\uff08\u6b64\u65b9\u6cd5\uff0c<strong>\u53ef\u80fd<\/strong>\u662f<strong>\u4e0d\u5b89\u5168<\/strong>\u7684\uff0c\u56e0\u4e3a\u5728<code>looper<\/code><strong>\u7ec8\u6b62\u4e4b\u524d<\/strong>\u53ef\u80fd<strong>\u65e0\u6cd5\u4f20\u9012<\/strong>\u4e00\u4e9b\u6d88\u606f\uff09\u3002<\/li>\n<li><code>looper.quitSafely()<\/code>\uff1a\u5b89\u5168\u9000\u51fa\uff0c\u5b83\u4f1a<strong>\u5220\u9664\u6d88\u606f\u961f\u5217<\/strong>\u4e2d<strong>\u6240\u6709\u672a\u6765\uff08\u5f53\u524d\u65f6\u523b\u4ee5\u540e\uff09\u7684\u6d88\u606f<\/strong>\u3002<strong>\u5904\u7406<\/strong>\u6d88\u606f\u961f\u5217\u4e2d\u7684<strong>\u5df2\u7ecf\u5230\u671f<\/strong>\u7684<strong>\u6240\u6709\u6d88\u606f<\/strong>\uff0c<strong>\u4e0d\u5904\u7406<\/strong>\u6d88\u606f\u961f\u5217\u4e2d\u7684<strong>\u672a\u6765\uff08\u5f53\u524d\u65f6\u523b\u4ee5\u540e\uff09\u5230\u671f<\/strong>\u7684<strong>\u6240\u6709\u6d88\u606f<\/strong>\u7684\u60c5\u51b5\u4e0b<strong>\u7ec8\u6b62<\/strong>\u3002<\/li>\n<li>\u5728<code>looper<\/code>\u88ab\u8bf7\u6c42<strong>\u9000\u51fa<\/strong>\u540e\uff0c<strong>\u4efb\u4f55<\/strong>\u5411\u961f\u5217<strong>\u53d1\u9001\u6d88\u606f<\/strong>\u7684\u5c1d\u8bd5<strong>\u90fd\u5c06\u5931\u8d25<\/strong>\u3002\u4f8b\u5982\uff0c<code>Handler.sendMessage(Message)<\/code>\u65b9\u6cd5\u5c06\u8fd4\u56de<code>false<\/code>\u3002<\/li>\n<li>\u4e3b\u7ebf\u7a0b\u7684<code>Looper<\/code>\u4e0d\u5141\u8bb8\u9000\u51fa\uff0c\u5b50\u7ebf\u7a0b\u7684<code>Looper<\/code>\u4e0d\u7528\u4e86\u4e00\u5b9a\u8981\u8bb0\u5f97\u9000\u51fa\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u5176\u5b83<\/h2>\n<h3>isCurrentThread()<\/h3>\n<pre><code class=\"language-kotlin\">val currentThread = looper.isCurrentThread\n<\/code><\/pre>\n<p>\u5224\u65ad<code>looper<\/code>\u7684<strong>\u7ebf\u7a0b<\/strong>\u662f\u5426\u662f<strong>\u5f53\u524d\u7ebf\u7a0b<\/strong>\uff0c\u5982\u679c\u662f\uff0c\u5219\u8fd4\u56de<code>true<\/code>\u3002\u53ef\u4ee5\u901a\u8fc7\u6b64\u5224\u65ad<strong>\u5f53\u524d\u7ebf\u7a0b\u662f\u5426\u662f\u4e3b\u7ebf\u7a0b<\/strong>\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-kotlin\">val isMainThread = Looper.getMainLooper().isCurrentThread\n<\/code><\/pre>\n<h3>setMessageLogging()<\/h3>\n<pre><code class=\"language-kotlin\">looper.setMessageLogging { x -&gt; Log.e(\"Looper\", \"x=$x\") }\n<\/code><\/pre>\n<p><strong>\u8bbe\u7f6e<\/strong>\u6b64<code>Looper<\/code><strong>\u5904\u7406\u6d88\u606f<\/strong>\u65f6<strong>\u6d88\u606f<\/strong>\u7684<strong>\u65e5\u5fd7\u8bb0\u5f55<\/strong>\u3002\u5982\u679c<strong>\u542f\u7528<\/strong>\uff0c<strong>\u65e5\u5fd7\u6d88\u606f<\/strong>\u5c06\u5728<strong>\u6bcf\u6b21<\/strong>\u6d88\u606f<strong>\u5206\u53d1<\/strong>\u7684<strong>\u5f00\u59cb<\/strong>\u548c<strong>\u7ed3\u675f<\/strong>\u65f6\u5199\u5230<code>printer<\/code>\uff0c<strong>\u6807\u8bc6<\/strong>\u76ee\u6807<code>Handler<\/code>\u548c<code>Message<\/code>\u5185\u5bb9\u3002<\/p>\n<h1>MessageQueue<\/h1>\n<h2>\u83b7\u53d6MessageQueue<\/h2>\n<ul>\n<li>looper.queue<\/li>\n<li>Looper.myQueue()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">val queue = looper.queue\nval currentQueue = Looper.myQueue()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>looper.queue<\/code>\uff1a\u901a\u8fc7<code>looper<\/code>\u83b7\u53d6<code>MessageQueue<\/code>\u3002<\/li>\n<li><code>Looper.myQueue()<\/code>\uff1a\u83b7\u53d6<strong>\u8c03\u7528\u7ebf\u7a0b<\/strong>\u7684<code>Looper<\/code>\u7684<code>MessageQueue<\/code>\uff0c\u5982\u679c\u6ca1\u6709\u8c03\u7528<code>Looper.prepare()<\/code>\uff0c\u5219\u4f1a\u629b\u51fa<code>NullPointerException<\/code>\u3002<\/li>\n<li><code>MessageQueue<\/code>\u76f8\u5173\u4ecb\u7ecd\uff0c\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085977128092565512\">Android-Handler\u6e90\u7801\u89e3\u6790-MessageQueue<\/a>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>Idle<\/h2>\n<ul>\n<li>queue.addIdleHandler()<\/li>\n<li>queue.removeIdleHandler()<\/li>\n<li>queue.isIdle<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">val idleHandler = object : IdleHandler {\n    override fun queueIdle(): Boolean {\n        return true\n    }\n}\n\/\/ \u589e\u52a0\nqueue.addIdleHandler(idleHandler)\n\/\/ \u79fb\u9664\nqueue.removeIdleHandler(idleHandler)\n\/\/ \u5224\u65ad\nval idle = queue.isIdle\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>IdleHandler<\/code>\uff1a\u4e3a<code>MessageQueue<\/code><strong>\u7a7a\u95f2<\/strong>\uff08\u961f\u5217\u4e3a\u7a7a\u6216\u8005\u961f\u5217\u91cc\u7684\u6d88\u606f\u5168\u90e8\u672a\u5230\u6267\u884c\u65f6\u523b\uff09\u65f6\u8fdb\u884c\u6267\u884c\uff0c<code>queueIdle()<\/code>\u8fd4\u56de<code>true<\/code>\u5c06\u5176<strong>\u4fdd\u6301<\/strong>\uff0c\u8fd4\u56de<code>false<\/code>\u5c06\u5176<strong>\u5220\u9664<\/strong>\u3002<\/li>\n<li><code>queue.addIdleHandler()<\/code>\uff1a<strong>\u589e\u52a0<\/strong><code>IdleHandler<\/code>\uff0c\u5982\u679c<strong>\u6ca1\u6709<\/strong>\u8fdb\u884c<strong>\u79fb\u9664<\/strong>\uff08\u672a\u8c03\u7528<code>removeIdleHandler()<\/code>\u65b9\u6cd5\u6216<code>queueIdle()<\/code>\u65b9\u6cd5\u8fd4\u56de<code>true<\/code>\uff09\uff0c\u5219\u59cb\u7ec8\u4f1a\u5728<code>MessageQueue<\/code><strong>\u7a7a\u95f2<\/strong>\u65f6\u8fdb\u884c\u8c03\u7528<strong>\u901a\u77e5<\/strong>\u3002<\/li>\n<li><code>queue.removeIdleHandler()<\/code>\uff1a<strong>\u79fb\u9664<\/strong><code>IdleHandler<\/code>\u3002<\/li>\n<li><code>queue.isIdle<\/code>\uff1a\u5224\u65ad\u6b64<code>MessageQueue<\/code>\uff0c\u6b64\u65f6\u662f\u5426<strong>\u7a7a\u95f2<\/strong>\u72b6\u6001\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528\u6b64<code>IdleHandler<\/code>\uff0c\u5b9e\u73b0<strong>\u4f18\u5148\u7ea7\u6700\u4f4e\u6267\u884c<\/strong>\u529f\u80fd\uff0c\u4f8b\u5982\u67d0\u4e2a\u7684\u521d\u59cb\u5316\u9700\u8981\u5728<strong>\u4e3b\u7ebf\u7a0b<\/strong>\u6267\u884c\uff0c\u4f46\u662f\u4f60\u4e0d\u60f3\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u4f18\u5148\u7ea7\u5f88\u4f4e\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u6b64\u5728\u6240\u6709\u64cd\u4f5c\u7a7a\u4f59\u540e\u521d\u59cb\u5316\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h1>Message<\/h1>\n<h2>\u521b\u5efaMessage<\/h2>\n<ul>\n<li>Message.obtain()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">Message.obtain(message)\nMessage.obtain(handler)\nMessage.obtain(handler,runnable)\nMessage.obtain(handler,what)\nMessage.obtain(handler,what, obj)\nMessage.obtain(handler,what, arg1, arg2)\nMessage.obtain(handler,what, arg1, arg2, obj)\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>Message.obtain()<\/code>\uff1a\u83b7\u53d6<code>Message<\/code>\uff0c\u5185\u90e8\u4f7f\u7528\u4e86<strong>\u590d\u7528<\/strong>\u3002<\/li>\n<li><code>Message<\/code>\u76f8\u5173\u4ecb\u7ecd\uff0c\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085975951414132766\">Android-Handler\u6e90\u7801\u89e3\u6790-Message<\/a>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u56de\u6536Message<\/h2>\n<ul>\n<li>message.recycle()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">message.recycle()\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>message.recycle()<\/code>\uff1a\u56de\u6536<code>Message<\/code>\uff0c\u5224\u65ad\u4e86<code>Message<\/code>\u5982\u679c\u5904\u4e8e<strong>\u4f7f\u7528<\/strong>\u72b6\u6001\uff0c\u5219<strong>\u629b\u51fa\u5f02\u5e38<\/strong>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u5f02\u6b65Message<\/h2>\n<ul>\n<li>message.isAsynchronous()<\/li>\n<li>message.setAsynchronous()<\/li>\n<\/ul>\n<pre><code class=\"language-kotlin\">val asynchronous = message.isAsynchronous\nmessage.isAsynchronous = true\n<\/code><\/pre>\n<blockquote><p>\n  \u8bf4\u660e\uff1a<\/p>\n<ol>\n<li><code>message.isAsynchronous()<\/code>\uff1a<strong>\u5224\u65ad<\/strong><code>Message<\/code>\u662f\u5426\u662f<strong>\u5f02\u6b65<\/strong>\u7684\uff0c\u5982\u679c\u662f\uff0c\u5219\u8fd4\u56de<code>true<\/code>\u3002<\/li>\n<li><code>message.setAsynchronous()<\/code>\uff1a<strong>\u8bbe\u7f6e<\/strong><code>Message<\/code>\u662f\u5426\u662f<strong>\u5f02\u6b65<\/strong>\u7684\uff0c\u5982\u679c\u662f\uff0c\u8fd9\u610f\u5473\u7740\u5b83<strong>\u4e0d\u53d7<\/strong><code>Looper<\/code><strong>\u540c\u6b65\u5c4f\u969c<\/strong>\u7684\u5f71\u54cd\u3002<\/li>\n<li><strong>\u6d88\u606f<\/strong>\uff0c\u5206\u4e3a<strong>\u540c\u6b65\u6d88\u606f<\/strong>\u548c<strong>\u5f02\u6b65\u6d88\u606f<\/strong>\uff0c<strong>\u9ed8\u8ba4<\/strong>\u4e3a<strong>\u540c\u6b65\u6d88\u606f<\/strong>\u3002<\/li>\n<li><strong>\u540c\u6b65\u5c4f\u969c<\/strong>\uff0c\u4f1a<strong>\u5c4f\u969c\u540c\u6b65\u6d88\u606f<\/strong>\uff0c\u786e\u4fdd<strong>\u53ea\u6709\u5f02\u6b65\u6d88\u606f<\/strong>\u6267\u884c\uff0c\u8be6\u7ec6\u8bf7\u770b<a href=\"https:\/\/juejin.cn\/post\/7085977128092565512\/#heading-8\">Android-Handler\u6e90\u7801\u89e3\u6790-MessageQueue-\u540c\u6b65\u5c4f\u969c<\/a>\u3002<\/li>\n<li>\u67d0\u4e9b\u64cd\u4f5c(\u6bd4\u5982<strong>\u89c6\u56fe\u5931\u6548<\/strong>)\u53ef\u80fd\u4f1a\u5728<code>Looper<\/code>\u7684<strong>\u6d88\u606f\u961f\u5217<\/strong>\u4e2d\u5f15\u5165<strong>\u540c\u6b65\u5c4f\u969c<\/strong>\uff0c\u4ee5<strong>\u963b\u6b62\u540e\u7eed\u6d88\u606f<\/strong>\u5728<strong>\u6ee1\u8db3\u67d0\u4e9b\u6761\u4ef6<\/strong>\u4e4b\u524d<strong>\u88ab\u4f20\u9012<\/strong>\u3002\u5728<code>view invalidation<\/code>\u7684\u60c5\u51b5\u4e0b\uff0c\u8c03\u7528<code>android.view.View.invalidate<\/code><strong>\u540e\u53d1\u5e03\u7684\u6d88\u606f<\/strong>\u4f1a\u88ab\u4e00\u4e2a<strong>\u540c\u6b65\u5c4f\u969c<\/strong>\u6302\u8d77\uff0c\u76f4\u5230\u4e0b\u4e00\u5e27\u51c6\u5907\u88ab\u7ed8\u5236\u3002<strong>\u540c\u6b65\u5c4f\u969c<\/strong>\u786e\u4fdd\u5728\u6062\u590d\u4e4b\u524d\u5b8c\u5168\u5904\u7406\u4e86<strong>\u65e0\u6548<\/strong>\u8bf7\u6c42\u3002<\/li>\n<li><strong>\u5f02\u6b65\u6d88\u606f<\/strong>\u514d\u4e8e<strong>\u540c\u6b65\u5c4f\u969c<\/strong>\u3002\u5b83\u4eec\u901a\u5e38\u8868\u793a<strong>\u4e2d\u65ad<\/strong>\u3001<strong>\u8f93\u5165\u4e8b\u4ef6<\/strong>\u548c<strong>\u5176\u5b83<\/strong>\u5fc5\u987b<strong>\u72ec\u7acb<\/strong>\u5904\u7406\u7684\u4fe1\u53f7\uff0c\u5373\u4f7f\u5176\u5b83\u5de5\u4f5c\u5df2\u7ecf\u6682\u505c\u3002<\/li>\n<li>\u8bf7\u6ce8\u610f\uff0c<strong>\u5f02\u6b65\u6d88\u606f<\/strong>\u53ef\u80fd\u662f\u6309<strong>\u540c\u6b65\u6d88\u606f<\/strong>\u7684<strong>\u987a\u5e8f\u4ea4\u4ed8<\/strong>\u7684\uff0c\u5c3d\u7ba1\u5b83\u4eec\u4e4b\u95f4<strong>\u603b\u662f\u6309\u987a\u5e8f\u4ea4\u4ed8<\/strong>\u7684\u3002\u5982\u679c\u8fd9\u4e9b\u6d88\u606f\u7684<strong>\u76f8\u5bf9\u987a\u5e8f\u5f88\u91cd\u8981<\/strong>\uff0c\u90a3\u4e48\u5b83\u4eec\u53ef\u80fd\u4e00\u5f00\u59cb\u5c31<strong>\u4e0d\u5e94\u8be5\u662f\u5f02\u6b65<\/strong>\u7684\uff0c<strong>\u8c28\u614e\u4f7f\u7528<\/strong>\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<h2>\u5176\u5b83<\/h2>\n<h3>copyFrom()<\/h3>\n<pre><code class=\"language-kotlin\">message.copyFrom(otherMessage)\n<\/code><\/pre>\n<p>\u5c06<strong>\u6307\u5b9a<\/strong><code>Message<\/code>\u7684\u5c5e\u6027\uff0c<strong>\u590d\u5236<\/strong>\u5230<strong>\u5f53\u524d<\/strong><code>Message<\/code>\u4e2d\u3002<\/p>\n<h3>sendToTarget()<\/h3>\n<pre><code class=\"language-kotlin\">message.sendToTarget()\n<\/code><\/pre>\n<p>\u5c06\u6b64<code>Message<\/code>\u53d1\u9001\u5230<code>getTarget<\/code>\u6307\u5b9a\u7684<code>Handler<\/code>\u3002\u5982\u679c\u672a\u8bbe\u7f6e\u6b64\u5b57\u6bb5\uff0c\u5219\u629b\u51fa\u7a7a\u6307\u9488\u5f02\u5e38\u3002<\/p>\n<h1>\u56db\u8005\u5173\u7cfb<\/h1>\n<ol>\n<li>\u4ece<code>Looper<\/code>\u6e90\u7801\u5f97\u77e5\uff0c\u4e00\u4e2a<strong>\u7ebf\u7a0b<\/strong>\u5bf9\u5e94\u4e00\u4e2a<code>Looper<\/code>\uff0c\u4e00\u4e2a<code>Looper<\/code>\u5bf9\u5e94\u4e00\u4e2a<code>MessageQueue<\/code>\u3002<\/li>\n<li>\u4ece<code>MessageQueue<\/code>\u6e90\u7801\u5f97\u77e5\uff0c\u4e00\u4e2a<code>MessageQueue<\/code>\u5bf9\u5e94\u591a\u4e2a<code>Message<\/code>\u3002<\/li>\n<li>\u4ece<code>Message<\/code>\u6e90\u7801\u5f97\u77e5\uff0c\u4e00\u4e2a<code>Message<\/code>\u5bf9\u5e94\u4e00\u4e2a<code>Handler<\/code>\u3002<\/li>\n<li>\u4ece<code>Handler<\/code>\u6e90\u7801\u5f97\u77e5\uff0c\u591a\u4e2a<code>Message<\/code>\u53ef\u4ee5\u5171\u7528\u4e00\u4e2a<code>Handler<\/code>\u3002<\/li>\n<\/ol>\n<p><strong>\u603b\u7ed3<\/strong>\uff1a\u4e00\u4e2a<strong>\u7ebf\u7a0b<\/strong>\u5bf9\u5e94\u4e00\u4e2a<code>Looper<\/code>\uff0c\u4e00\u4e2a<code>Looper<\/code>\u5bf9\u5e94\u4e00\u4e2a<code>MessageQueue<\/code>\uff0c\u4e00\u4e2a<code>MessageQueue<\/code>\u5bf9\u5e94\u591a\u4e2a<code>Message<\/code>\uff0c\u4e00\u4e2a<code>Message<\/code>\u5bf9\u5e94\u4e00\u4e2a<code>Handler<\/code>\uff0c\u4f46\u591a\u4e2a<code>Message<\/code>\u53ef\u4ee5\u5171\u7528\u4e00\u4e2a<code>Handler<\/code>\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u4ee5\u4e0a\u5c31\u662f<code>Handler<\/code>\u6e90\u7801\u7684<code>\u4f7f\u7528<\/code>\u90e8\u5206\uff0c<code>Handler<\/code>\u5176\u5b83\u6e90\u7801\u90e8\u5206\u770b\u4e0b\u9762<strong>\u5bfc\u822a<\/strong>\u3002\u6b22\u8fce\u5927\u5bb6<strong>\u70b9\u8d5e\u3001\u6536\u85cf<\/strong>\uff0c\u4ee5\u65b9\u4fbf\u60a8\u540e\u7eed\u67e5\u770b\uff0c\u4e4b\u540e\u4f1a\u51fa\u5176\u5b83<code>Android<\/code>\u6e90\u7801\u7cfb\u5217\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u3002\u5982\u679c\u4f60\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u7559\u8a00\uff01<\/p>\n<blockquote><p>\n  <strong>\u5bfc\u822a\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/juejin.cn\/post\/7475656733558652943\">Android-Handler\u6e90\u7801\u89e3\u6790-\u4f7f\u7528<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085976728538972190\">Android-Handler\u6e90\u7801\u89e3\u6790-Handler\uff08\u4e00\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085976341056585742\">Android-Handler\u6e90\u7801\u89e3\u6790-Looper\uff08\u4e8c\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085977128092565512\">Android-Handler\u6e90\u7801\u89e3\u6790-MessageQueue\uff08\u4e09\uff09<\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/post\/7085975951414132766\">Android-Handler\u6e90\u7801\u89e3\u6790-Message\uff08\u56db\uff09<\/a><\/li>\n<li>\u66f4\u591a\u7684\u6587\u7ae0\u770b\u8fd9\u91cc\uff1a<a href=\"https:\/\/juejin.cn\/user\/4450479132652679\/posts\">\u4e3b\u9875<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<p>\u6700\u540e\u63a8\u8350\u4e00\u4e0b\u6211\u7684\u7f51\u7ad9\uff0c\u5f00\u53d1\u8005\uff08<code>Developer<\/code>\uff09\u7684\u535a\u5ba2\uff08<code>Blog<\/code>\uff09: <a href=\"http:\/\/www.devblog.cn\/\">devblog.cn<\/a> \uff0c\u6b22\u8fce\u5927\u5bb6\u6765\u4f53\u9a8c\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android-Handler\u6e90\u7801\u89e3\u6790-\u4f7f\u7528 \u6e90\u7801\u7248\u672c\uff1a * Handler\uff1aSDK-35 * \u66f4\u65b0\u65f6\u95f4\uff1a20 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-212","post","type-post","status-publish","format-standard","hentry","category-source-android"],"modified_by":"admin","jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=212"}],"version-history":[{"count":5,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/212\/revisions"}],"predecessor-version":[{"id":226,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/212\/revisions\/226"}],"wp:attachment":[{"href":"http:\/\/www.devblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=212"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.devblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}