app\u5c01\u88c5\u5de5\u5177\u53d8\u8272\u9f99\u4e91<\/a><\/p>\n“`java<\/p>\n
public class Utils {<\/p>\n
public static int getScreenWidth(Context context) {<\/p>\n
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);<\/p>\n
Display display = wm.getDefaultDisplay();<\/p>\n
Point size = new Point();<\/p>\n
display.getSize(size);<\/p>\n
return size.x;<\/p>\n
}<\/p>\n
}<\/p>\n
“`<\/p>\n
\u53e6\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a”isNetworkConnected”\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u68c0\u67e5\u8bbe\u5907\u662f\u5426\u8fde\u63a5\u5230\u7f51\u7edc\u3002\u5b9e\u73b0\u8be5\u65b9\u6cd5\u7684\u539f\u7406\u662f\u901a\u8fc7\u83b7\u53d6\u7f51\u7edc\u8fde\u63a5\u7ba1\u7406\u5668\uff0c\u7136\u540e\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u7684\u72b6\u6001\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u73b0\u793a\u4f8b\uff1a<\/p>\n
“`java<\/p>\n
public class Utils {<\/p>\n
public static boolean isNetworkConnected(Context context) {<\/p>\n
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);<\/p>\n
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();<\/p>\n
return activeNetwork != null && activeNetwork.isConnectedOrConnecting();<\/p>\n
}<\/p>\n
}<\/p>\n
“`<\/p>\n
\u9664\u4e86\u4e0a\u8ff0\u793a\u4f8b\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u7684\u9700\u6c42\u5c01\u88c5\u5176\u4ed6\u5e38\u7528\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u8bfb\u5199\u6587\u4ef6\u3001\u65e5\u671f\u65f6\u95f4\u5904\u7406\u3001\u52a0\u5bc6\u89e3\u5bc6\u7b49\u7b49\u3002\u901a\u8fc7\u5c01\u88c5\u8fd9\u4e9b\u5e38\u7528\u7684\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u9879\u76ee\u4e2d\u76f4\u63a5\u8c03\u7528\u5de5\u5177\u7c7b\u4e2d\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u7684\u91cd\u7528\u6027\u3002<\/p>\n
\u8981\u4f7f\u7528\u5c01\u88c5\u597d\u7684\u5de5\u5177\u7c7b\uff0c\u6211\u4eec\u53ea\u9700\u5728\u9879\u76ee\u4e2d\u5f15\u5165\u5b83\u5e76\u8c03\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u793a\u4f8b\u4e2d\u7684”getScreenWidth”\u65b9\u6cd5\u83b7\u53d6\u5c4f\u5e55\u5bbd\u5ea6\uff1a<\/p>\n
“`java<\/p>\n
int screenWidth = Utils.getScreenWidth(context);<\/p>\n
“`<\/p>\n
\u603b\u7ed3\u8d77\u6765\uff0c\u5c01\u88c5\u4e00\u4e2a\u5b89\u5353\u5f00\u53d1\u5de5\u5177\u7c7b\u7684\u539f\u7406\u662f\u5c06\u4e00\u4e9b\u5e38\u7528\u7684\u529f\u80fd\u65b9\u6cd5\u96c6\u4e2d\u8d77\u6765\uff0c\u901a\u8fc7\u9759\u6001\u7c7b\u548c\u9759\u6001\u65b9\u6cd5\u7684\u65b9\u5f0f\u5c01\u88c5\u5e76\u63d0\u4f9b\u7ed9\u5176\u4ed6\u90e8\u5206\u4f7f\u7528\u3002\u5c01\u88c5\u5de5\u5177\u7c7b\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u540c\u65f6\u4e5f\u80fd\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u53ef\u4ee5\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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![](\"https:\/\/cdn.myapp.ltd\/ag\/99\/tupian\/11.jpg\")
<\/figure>\n<\/p>\n