{"rsdb":{"rid":"396611","subhead":"","postdate":"0","aid":"273199","fid":"98","uid":"1","topic":"1","content":"
\n

\"\"<\/p> \n

TV\u5c4f\u4f7f\u7528\u9065\u63a7\u5668\u63a7\u5236\uff0c\u901a\u8fc7\u7126\u70b9\u64cd\u4f5c\u754c\u9762\uff0c\u5c31\u8ddf\u7535\u89c6\u6295\u5c4f\u7c7b\u4f3c<\/p> \n

\u4e00\u5171\u4e24\u4e2a\u6838\u5fc3\uff0c\u7126\u70b9\u7684\u5904\u7406\uff0c\u6309\u952e\u7684\u76d1\u542c\u5904\u7406<\/p> \n

\u6309\u952e\u539f\u751f\u63d0\u4f9b\u4e86onKeyDown<\/strong> \u6765\u76d1\u542c\uff0c\u901a\u8fc7\u4e0d\u540c\u7684 keyCode \u533a\u5206\u4e0d\u540c\u7684\u6309\u952e<\/p> \n

\"\"<\/p> \n

\u4e00\u822c\u5982\u679c\u6ca1\u6709\u9065\u63a7\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u7535\u8111\u952e\u76d8\u6d4b\u8bd5\uff0c\u4f7f\u7528\u6295\u5c4f\u8f6f\u4ef6\u6295\u5c4f\u540e\uff0c\u5bf9\u952e\u76d8\u6309\u952e\u6548\u679c\u8ddf\u9065\u63a7\u5668\u7c7b\u4f3c<\/p> \n

\u6709\u65f6\u5019\u6ca1\u6709\u5b9e\u4f53\u6309\u952e\uff08\u6bd4\u5982\u7535\u8111\u6ca1\u6709\u8fd4\u56de\u952e\u7b49\uff09\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 adb \u547d\u4ee4\u63a7\u5236<\/p> \n

\n
\n

adb <\/strong>shell input keyevent keyCode<\/span><\/p> \n

\u81f3\u4e8e\u957f\u6309\u4e8b\u4ef6\uff0c\u901a\u8fc7\u76d1\u542c\u7684 <\/span>KeyEvent \u53c2\u6570\u4e2d repeatCount<\/strong> \u5224\u65ad\uff0c\u8fd9\u91cc\u6700\u597d\u7b49\u4e8e\u67d0\u4e2a\u6570\u5b57\u65f6\u89e6\u53d1\uff0c\u9632\u6b62\u591a\u6b21\u91cd\u590d\u89e6\u53d1<\/p> \n

\"\"<\/p> \n

\u4e3b\u52a8\u83b7\u53d6\u7126\u70b9\u4f7f\u7528\u65b9\u6cd5 requestFocus()<\/strong>\uff0c\u4f46\u662f\u53ef\u80fd\u4f1a\u5931\u8d25\uff0c\u6240\u4ee5\u9700\u8981\u6ce8\u610f\u7b49\u5f85UI\u5237\u65b0\u5b8c\u540e\u5728\u8c03\u7528<\/p> \n

\u5e76\u4e14\u5728\u9700\u8981\u83b7\u53d6\u7126\u70b9\u7684view\u4e2d\u8bbe\u7f6e\u5c5e\u6027\uff0c\u5426\u5219\u6ca1\u6cd5\u843d\u7126<\/p> \n

\n 
android:focusable="true"\nandroid:focusableInTouchMode="true"<\/span><\/pre> \n   <\/div> \n   
\u5982\u679c\u5b9e\u5728\u6ca1\u6cd5\u63a7\u5236\u5237\u65b0\u540e\u7684\u65f6\u673a\uff0c\u90a3\u5c31\u53ea\u80fd\u5ef6\u8fdf\uff08postDelayed\uff09\u83b7\u53d6\u4e86\uff0c\u8fd9\u4e2a\u4e07\u80fd\u94a5\u5319\uff0c\u4f46\u662f\u5c3d\u91cf\u5c11\u7528\uff0c\u5f71\u54cd\u6548\u7387\uff0c\u51cf\u4f4e\u4f53\u9a8c<\/p> \n   
\u5bf9\u4e8e\u7126\u70b9\uff0c\u4e0a\u9762\u7684\u53ea\u662f\u57fa\u672c\u64cd\u4f5c\uff0c\u5b9e\u9645\u5f00\u53d1\u4e2d\u542d\u6bd4\u8f83\u591a\uff0c\u6bd4\u8f83\u5982\u679c\u754c\u9762\u590d\u6742\uff0c\u7126\u70b9\u662f\u5f88\u4e0d\u597d\u63a7\u5236\u7684\uff0c\u52a0\u4e0a\u5217\u8868\u5404\u79cd\u5237\u65b0\uff0c\u8de8\u754c\u9762\u6062\u590d\u7126\u70b9\u7b49\uff0c\u61c2\u5f97\u90fd\u61c2<\/p> \n   
\u6240\u4ee5\u4e3a\u4e86\u66f4\u597d\u7684\u5b9a\u4f4d\u95ee\u9898<\/strong>\uff0c\u9700\u8981\u501f\u52a9\u4e00\u4e9b\u7cfb\u7edf\u76d1\u542c\u6765\u83b7\u53d6\u7126\u70b9\u7684\u72b6\u6001\uff0c\u624d\u80fd\u77e5\u9053\u95ee\u9898\u5728\u54ea<\/p> \n   
\u6bd4\u5982\u53ef\u4ee5\u91cd\u5199 requestChildFocus<\/strong> \u65b9\u6cd5\uff0c\u6bcf\u6b21\u83b7\u53d6\u7126\u70b9\u65f6\u6253\u5370\u4fe1\u606f\uff0c\u770b\u770b\u662f\u5426\u88ab\u5176\u5b83 view \u62a2\u5360\u7126\u70b9<\/p> \n   
 \n    
override fun requestChildFocus(child: View?, focused: View?) {\n        child<\/span>?.let {\n            val position <\/span>= getChildViewHolder(child).absoluteAdapterPosition\n            Logger.d(<\/span>"requestChildFocus $position ")\n        }\n    }<\/span><\/pre> \n   <\/div> \n   
\u6216\u8005\u4f7f\u7528\u5168\u5c40\u76d1\u542c decorView.viewTreeObserver.addOnGlobalFocusChangeListener<\/strong> \uff0c\u5224\u65ad\u54ea\u4e9b view \u83b7\u53d6\u4e86\u7126\u70b9<\/p> \n   
\u9488\u5bf9\u83b7\u53d6\u7126\u70b9\u65e0\u6548\u600e\u4e48\u5904\u7406\uff1f<\/strong><\/p> \n   
\u4f30\u8ba1\u5f88\u591a\u65f6\u5019\u4f1a\u53d1\u73b0\uff0c\u8c03\u7528\u4e86 requestFocus \u65b9\u6cd5\u6ca1\u53cd\u5e94<\/span><\/strong>\uff0c\u8fd9\u662f\u56e0\u4e3a\u6ca1\u6709\u5bf9\u4e0a\u4e2a view \u7684\u7126\u70b9\u8fdb\u884c clear<\/p> \n   
\u4f60\u9700\u8981\u5728\u76d1\u542c\u4e2d\uff0c\u628a\u83b7\u53d6\u7126\u70b9\u7684 view \u8d4b\u503c\u7ed9\u4f60\u5b9a\u4e49\u7684\u53d8\u91cf lastFocusView\uff0c\u7136\u540e\u6bcf\u6b21\u8c03\u7528 requestFocus \u524d\u5148\u8c03\u7528 lastFocusView.clearFocus()<\/p> \n   
\u5f53 tab<\/strong> \u6216\u8005 \u5217\u8868 \u5207\u6362\u754c\u9762<\/strong>\uff0c\u8fd9\u4e2a\u65f6\u5019\u64cd\u4f5c\u9065\u63a7\u5668\u5b50\u9875\u9762<\/strong>\u81ea\u52a8\u62a2\u5360\u4e86\u7126\u70b9<\/strong>\uff0c\u600e\u4e48\u5904\u7406\uff1f<\/p> \n   
\u53ef\u4ee5\u901a\u8fc7\u5bf9 onKeyDown \u4e8b\u4ef6\u7684\u62e6\u622a\uff08return true\uff09\uff0c\u8fd9\u6837\u5b50\u9875\u9762\u662f\u65e0\u6cd5\u54cd\u5e94\u6309\u952e\u4e8b\u4ef6\u7684\uff0c\u4e5f\u5c31\u65e0\u6cd5\u83b7\u53d6\u7126\u70b9<\/p> \n   
\"\"<\/p> \n   
\u9488\u5bf9\u4e00\u4e9b\u4e2a\u522b view \u53ef\u4ee5\u8bbe\u7f6e\u5c4f\u853d\u7126\u70b9\u7684\u5c5e\u6027<\/p> \n   
 \n    
android:focusable="false"\nandroid:focusableInTouchMode="false"<\/span><\/pre> \n   <\/div> \n   
\u7126\u70b9\u8fb9\u6846<\/strong>\u6837\u5f0f\u7edf\u4e00\u5904\u7406<\/p> \n   
\u53ef\u4ee5\u901a\u8fc7\u5168\u5c40\u76d1\u542c addOnGlobalFocusChangeListener<\/strong> \uff0c\u5bf9 view \u8fdb\u884c\u7edf\u4e00\u7ed8\u5236\u8fb9\u6846\uff0c\u6216\u8005\u4e00\u4e9b\u903b\u8f91\u63a7\u5236\u7b49<\/p> \n   
\"\"<\/p> \n   
 \n    
window.decorView.viewTreeObserver\n            .addOnGlobalFocusChangeListener { oldFocus, newFocus <\/span>->\n                (newFocus <\/span>?: window.decorView.findFocus())?.let {\n                    mainUpView.setFocusView(newFocus, oldFocus, <\/span>1.0f)\n                }\n            }<\/span><\/pre> \n   <\/div> \n   
\u5f39\u6846\u65e0\u6cd5\u83b7\u53d6\u7126\u70b9\u600e\u4e48\u5904\u7406\uff1f<\/strong><\/p> \n   
\u4e00\u822c dialog \u7b49\u53ea\u8981\u8bbe\u7f6e\u4e86 focus \u5c5e\u6027\uff0c\u7136\u540e\u5728\u521d\u59cb\u5316\u8c03\u7528 requestFocus\uff0c\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u4f46\u662f\u4e0d\u6392\u9664\u4e00\u4e9b\u4e2a\u522b\u60c5\u51b5<\/p> \n   
\u6bd4\u5982 PopupWindow\uff0c\u56e0\u4e3a window \u5f39\u51fa\u540e\uff0cactivity \u7684 onKeyDown \u4f1a\u65e0\u6cd5\u54cd\u5e94\uff0c\u6240\u4ee5\u9700\u8981\u5355\u72ec\u76d1\u542c<\/strong>\uff0c\u524d\u63d0\u662f\u83b7\u53d6\u5230\u7126\u70b9<\/p> \n   
\u5982\u679c\u78b0\u5230\u7126\u70b9\u4e0d\u597d\u5904\u7406\uff0c\u6216\u8005\u843d\u7126\u540e\u7ed8\u5236\u8fb9\u6846\u7b49\u4e0d\u65b9\u4fbf\uff0c\u8fd9\u91cc\u5efa\u8bae\u624b\u52a8\u63a7\u5236<\/strong>\uff0c\u56e0\u4e3a\u843d\u7126\u7ed8\u5236\u662f\u7edf\u4e00\u5728\u5168\u5c40\u76d1\u542c\u91cc\u5904\u7406\u7684\uff0cwindow \u4e0a\u9700\u8981\u989d\u5916\u76d1\u542c\uff0c\u6ca1\u6709\u5bf9\u8fd9\u5757\u903b\u8f91\u5c01\u88c5\u597d\uff0c\u5c31\u8868\u793a\u9700\u8981\u628a\u6574\u5957\u903b\u8f91\u642c\u5230 window \u4e0a\u5904\u7406\uff0c\u8fd9\u663e\u7136\u5f88\u5197\u4f59<\/p> \n   
\u6240\u4ee5\u4f55\u4e0d\u76f4\u63a5\u76d1\u542c onKeyDown \uff0c\u7136\u540e\u901a\u8fc7\u4ee3\u7801\u624b\u52a8\u7ed8\u5236\u8fb9\u6846\u7126\u70b9<\/p> \n   
 \n    
contentView.apply {\n            requestFocus()\n            binding.flMove.setOnKeyListener { _, keyCode, _ <\/span>->\n                Logger.d(<\/span>"setOnKeyListener keyCode $keyCode")\n                when (keyCode) {\n                    KeyCode.KEYCODE_DPAD_LEFT <\/span>-> {\n                        switchMenu(<\/span>1)\n                    }\n\n                    KeyCode.KEYCODE_DPAD_RIGHT <\/span>-> {\n                        switchMenu(<\/span>0)\n                    }\n\n                    KeyCode.KEYCODE_BACK <\/span>-> {\n                        dismiss()\n                    }\n                }\n                <\/span>false<\/span>\n            }\n        }<\/span><\/pre> \n   <\/div> \n   
\"\"<\/p> \n   
\u5982\u679c\u4e0d\u592a\u559c\u6b22\u8fd9\u4e2a\u65b9\u6848\uff0c\u8fd8\u6709\u53e6\u5916\u4e00\u4e2a\u65b9\u6848<\/strong><\/p> \n   
\u53ef\u4ee5\u5728xml\u4e2d\u6dfb\u52a0\u5e03\u5c40<\/strong>\uff0c\u53bb\u4eff\u9020\u5f39\u6846<\/strong>\uff0c\u8fd9\u6837\u7126\u70b9\u5c31\u53ef\u4ee5\u7edf\u4e00\u5904\u7406<\/strong>\uff0c\u4e0d\u8fc7\u9700\u8981\u5bf9\u8fd9\u4e2a\u5e03\u5c40\u8fdb\u884c\u4e00\u4e9b\u663e\u793a\u9690\u85cf\u7684\u64cd\u4f5c<\/p> \n  <\/div> \n <\/div> \n<\/div>","orderid":"0","title":"Android TV\u5c4f \u5f00\u53d1\u3001RecyclerView\u7126\u70b9\u5904\u7406\u7b49","smalltitle":"","mid":"0","fname":"Android","special_id":"0","bak_id":"0","info":"0","hits":"245","pages":"1","comments":"0","posttime":"2023-09-09 10:25:31","list":"1694226331","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"Android<\/A> \u5f00\u53d1<\/A> RecyclerView<\/A> \u7126\u70b9\u5904<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"101.232.55.135","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"Android TV\u5c4f \u5f00\u53d1\u3001RecyclerView\u7126\u70b9\u5904\u7406\u7b49","lastview":"1714874202","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}