{"id":233474,"date":"2020-12-29T05:43:33","date_gmt":"2020-12-28T21:43:33","guid":{"rendered":"http:\/\/4563.org\/?p=233474"},"modified":"2020-12-29T05:43:33","modified_gmt":"2020-12-28T21:43:33","slug":"%e5%85%b3%e4%ba%8e-thread-%e9%87%8c%e5%88%9b%e5%bb%ba%e5%af%b9%e8%b1%a1%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=233474","title":{"rendered":"\u5173\u4e8e Thread \u91cc\u521b\u5efa\u5bf9\u8c61\u7684\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u5173\u4e8e Thread \u91cc\u521b\u5efa\u5bf9\u8c61\u7684\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : QBugHunter <\/span>  <span><i><\/i> 0<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u6709\u8fd9\u6837\u4e00\u4e2a\u5bf9\u8c61<\/p>\n<pre><code>class CustomObject{     private DeviceInfo deviceInfo;  \/\/\u8fd9\u4e2a DeviceInfo \u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5bf9\u8c61     public CustomObject(){         deviceInfo = new DeviceInfo();     } };  class PrintDevice{     private static CustomObject customObj;  \/\/\u9759\u6001\u5bf9\u8c61\uff0c\u4f1a\u5728\u5b50\u7ebf\u7a0b\u4e2d\u521b\u5efa     public PrintDevice(){     Thread MyThread = new Thread() {             public void run() {                 customObj =  new CustomObject();             }         };         MyThread.start();     } }; <\/code><\/pre>\n<p>\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cCustomObject \u4f1a\u5728\u4e00\u4e2a Thread \u91cc\u751f\u6210\uff0c\u5047\u5982 APP \u88ab\u5f3a\u6740\uff0c\u6216\u8005\u5173\u95ed\uff0c\u90a3 CustomObject \u7684\u7c7b\u6210\u5458 DeviceInfo\uff0c\u5728 APP \u518d\u6b21\u542f\u52a8\u65f6\u4efb\u7136\u4fdd\u7559\u7740\u5185\u5b58\u4e2d\u7684\u673a\u7387\u6709\u591a\u5927\uff1f\u80fd\u5426\u4fdd\u8bc1 DeviceInfo \u5bf9\u8c61\u80af\u5b9a\u4f1a\u5728 APP \u6d88\u5931\u65f6\u4e00\u8d77\u6d88\u5931\uff1f<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>9<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4740982\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : aijam <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             &gt; \u80fd\u5426\u4fdd\u8bc1 DeviceInfo \u5bf9\u8c61\u80af\u5b9a\u4f1a\u5728 APP \u6d88\u5931\u65f6\u4e00\u8d77\u6d88\u5931\uff1f<br \/>\u80fd                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740983\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : sm1314 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             APP \u88ab\u5f3a\u6740 \u6240\u6709\u7ebf\u7a0b\u90fd gg \u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740984\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : QBugHunter <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @aijam <\/p>\n<p>@sm1314 <\/p>\n<p>\u90a3\u5047\u5982\u8fd9\u4e2a\u7ebf\u7a0b\u662f\u5728\u67d0\u4e2a Activity \u4e0a\u542f\u52a8\u7684\uff0c\u8fd9\u4e2a Activity \u88ab\u6740\u4e86\uff0c\u4f46 APP \u8fd8\u5728\uff0c\u90a3 deviceInfo \u662f\u5426\u8fd8\u6709\u53ef\u80fd\u5728\u5185\u5b58\u4e2d\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740985\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : aijam <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @QBugHunter \u6709                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740986\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ChenFanlin <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53ea\u8981 application \u91cd\u65b0\u542f\u52a8\u4e86 \u5c31\u662f\u65b0\u7684**\u8fdb\u7a0b**, \u8001\u7684\u5bf9\u8c61\u81ea\u7136\u5c31\u662f\u6ca1\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740987\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : crclz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fdb\u7a0b\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u7ba1\u7406\u3002<br \/>\u4f60\u7684\u8fdb\u7a0b\u4e0d\u7ba1\u662f\u4f18\u96c5\u5730\u9000\u51fa\uff0c\u8fd8\u662f\u66b4\u529b\u5730\u9000\u51fa\uff0c<br \/>\u4f60\u8fd9\u4e2a\u8fdb\u7a0b\u7684\u6240\u6709\uff08\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7684\uff09\u8d44\u6e90\u90fd\u4f1a\u4f18\u96c5\u5730\u91ca\u653e\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740988\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zzy619 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u9996\u5148\uff0c\u7406\u89e3\u4e00\u4e0b\u8fdb\u7a0b\u3001\u7ebf\u7a0b\u7684\u6982\u5ff5\uff0c\u5176\u6b21 customObj \u662f static \u7684\uff0c\u548c Activity \u88ab\u6740\u4e5f\u6ca1\u5173\u7cfb                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740989\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @QBugHunter \u5bf9\u8c61\u90fd\u662f java \u7684\u865a\u62df\u673a\u7ba1\u7406\u7684\u3002\u865a\u62df\u673a\u9000\u51fa\u65f6\u4f1a\u91ca\u653e\u8d44\u6e90\uff0c\u8fd9\u4e2a\u5bf9\u8c61\uff08\u65e0\u8bba\u54ea\u4e2a\u7ebf\u7a0b\uff09\u5c31\u6ca1\u4e86\uff0c\u548c Activity \u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\u3002<br \/>\u6211\u7406\u89e3 Activity \u4e0d\u5b58\u5728\u201c\u6740\u6389\u201d\uff0c\u53ea\u6709\u54cd\u5e94\u5404\u79cd\u4e8b\u4ef6\uff0c\u5728\u4e0d\u540c\u7684\u72b6\u6001\u4e4b\u95f4\u5207\u6362\u3002\u5982\u679c\u5b89\u5353\u7cfb\u7edf\u53d1\u73b0\u8fd9\u4e2a Activity \u5df2\u7ecf\u4e0d\u518d\u4f7f\u7528\u4e86\uff0c\u53ef\u80fd\u4f1a\u628a\u5b83\u56de\u6536\u6389\uff0c\u63a5\u4e0b\u6765\u6709\u53ef\u80fd\u5bfc\u81f4 app \u9000\u51fa\uff08\u6bd4\u5982 app \u53ea\u6709\u8fd9\u552f\u4e00\u4e00\u4e2a Activity \u65f6\uff09\uff0c\u7136\u540e java \u865a\u62df\u673a\u9000\u51fa\u3001\u91ca\u653e\u8d44\u6e90\uff0c\u8fd9\u65f6\u4f60\u6240\u6709\u5bf9\u8c61\u5c31\u90fd\u6ca1\u4e86\u3002Activity \u4e5f\u6709\u53ef\u80fd\u53c8\u4ece\u540e\u53f0\u91cd\u65b0\u6210\u4e3a\u7528\u6237\u7126\u70b9\uff0c\u6b64\u65f6 app \u662f\u4e00\u76f4\u5728\u7684\uff0cjava \u865a\u62df\u673a\u6ca1\u6709\u9000\u51fa\uff0c\u5bf9\u8c61\u5c31\u4e00\u76f4\u5728\u5185\u5728\u4e2d\u4fdd\u7559\u7740\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4740990\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zhgg0 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5982\u679c customObj \u5728\uff0cdeviceInfo \u5c31\u5728\u3002customObj \u5728\u4e0d\u5728\u8ddf\u521b\u5efa\u5b83\u7684 Thread \u65e0\u5173\u3002\u7531\u4e8e customObj \u662f static \u7684\uff0capplication \u4e0d\u91cd\u5efa\uff0ccustomObj \u5c31\u5728\uff0capplication \u91cd\u5efa\u4e86\uff0ccustomObj \u5c31\u6ca1\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e Thread \u91cc\u521b\u5efa\u5bf9\u8c61\u7684\u95ee&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/233474"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=233474"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/233474\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=233474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=233474"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=233474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}