{"id":14712,"date":"2023-11-29T11:06:58","date_gmt":"2023-11-29T03:06:58","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=14712"},"modified":"2023-11-29T11:06:58","modified_gmt":"2023-11-29T03:06:58","slug":"java%e5%bc%80%e5%8f%91%e5%ae%89%e5%8d%93app%e6%80%bb%e6%98%af%e5%81%9c%e6%ad%a2%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/14712\/","title":{"rendered":"java\u5f00\u53d1\u5b89\u5353app\u603b\u662f\u505c\u6b62\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bbaJava\u5f00\u53d1Android\u5e94\u7528\u65f6\u9047\u5230\u7684\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u7684\u95ee\u9898<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app\u5236\u4f5c<\/a>\u3002\u6211\u4eec\u5c06\u4ece\u539f\u7406\u4ecb\u7ecd\uff0c\u6df1\u5165\u5256\u6790\u53ef\u80fd\u5bfc\u81f4\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\uff0c\u5e76\u4e3a\u5927\u5bb6\u63d0\u4f9b\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<p>### 1. \u539f\u7406\u5256\u6790<\/p>\n<p>\u5f53\u6211\u4eec\u8fdb\u884cAndroid\u5f00\u53d1\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff08\u901a\u5e38\u63d0\u793a\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\uff09\u53ef\u80fd\u6d89\u53ca\u5f88\u591a\u539f\u56e0\uff0c\u6bd4\u5982\u5185\u5b58\u6cc4\u6f0f\u3001\u7a7a\u6307\u9488\u5f02\u5e38\u3001\u8d44\u6e90\u672a\u91ca\u653e\u3001\u903b\u8f91\u9519\u8bef\u7b49\u3002\u5f53\u51fa\u73b0\u5e94\u7528\u5d29\u6e83\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Android Studio\u4e2d\u7684Logcat\uff08\u65e5\u5fd7\u76ee\u5f55\uff09\u67e5\u770b\u5d29\u6e83\u7684\u5177\u4f53\u539f\u56e0\uff0c\u5728\u6839\u636e\u4e0d\u540c\u7684\u539f\u56e0\u91c7\u53d6\u4e0d\u540c\u7684\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<p>### 2. \u5e38\u89c1\u539f\u56e0\u4e0e\u89e3\u51b3\u65b9\u6cd5<\/p>\n<p>#### 2.1 \u7a7a\u6307\u9488\u5f02\u5e38\uff08NullPointerException\uff09<\/p>\n<p>\u5f53\u8bd5\u56fe\u8bbf\u95ee\u4e00\u4e2a\u8fd8\u672a\u521d\u59cb\u5316\uff08\u6216\u5df2\u88ab\u9500\u6bc1\uff09\u7684\u5bf9\u8c61\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u7a7a\u6307\u9488\u5f02\u5e38\u3002\u8fd9\u662f\u5f00\u53d1\u8005\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5bb9\u6613\u72af\u7684\u9519\u8bef\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u5728\u8bbf\u95ee\u5bf9\u8c61\u4e4b\u524d\uff0c\u68c0\u67e5\u4e00\u4e0b\u5bf9\u8c61\u662f\u5426\u5df2\u7ecf\u521d\u59cb\u5316\u3002<\/p>\n<p>&#8220;`java<\/p>\n<p>if (object != null) {<\/p>\n<p>    object.doSomething();<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>#### 2.2 \u672a\u6355\u83b7\u7684\u5f02\u5e38\uff08UncaughtException\uff09<\/p>\n<p>\u5f53\u5e94\u7528\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u53d1\u751f\u672a\u6355\u83b7\u7684\u5f02\u5e38\u65f6\uff0c\u5b83\u5c06\u7acb\u5373\u7ec8\u6b62\u5e76\u663e\u793a\u9519\u8bef\u63d0\u793a\u3002\u4f8b\u5982\uff0c\u5f53\u6211\u4eec\u5c1d\u8bd5\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u6267\u884c\u4e00\u4e2a\u8017\u65f6\u64cd\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u201c\u5e94\u7528\u65e0\u54cd\u5e94\u201d\uff08ANR\uff09\u9519\u8bef\uff0c\u4ece\u800c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u4f7f\u7528`try-catch`\u8bed\u53e5\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\uff0c\u5e76\u5728\u6355\u83b7\u5230\u5f02\u5e38\u540e\u6267\u884c\u6062\u590d\u64cd\u4f5c\u3002<\/p>\n<p>&#8220;`java<\/p>\n<p>try {<\/p>\n<p>    \/\/ \u6267\u884c\u53ef\u80fd\u51fa\u73b0\u5f02\u5e38\u7684\u4ee3\u7801<\/p>\n<p>} catch (Exception e) {<\/p>\n<p>    \/\/ \u5904\u7406\u5f02\u5e38\u5e76\u6062\u590d\u7a0b\u5e8f<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>#### 2.3 \u5185\u5b58\u6cc4\u6f0f\uff08Memory Leak\uff09<\/p>\n<p>\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u4e00\u5757\u5df2\u7ecf\u5206\u914d\u7ed9\u7a0b\u5e8f\u7684\u5185\u5b58\u672a\u88ab\u91ca\u653e\uff0c\u4f46\u7a0b\u5e8f\u5df2\u7ecf\u4e0d\u5728\u4f7f\u7528\u8be5\u5185\u5b58\u3002\u5783\u573e\u6536\u96c6\u5668\uff08GC\uff09\u5728\u91ca\u653e\u5bf9\u8c61\u65f6\uff0c\u4e0d\u80fd\u6e05\u9664\u8fd9\u90e8\u5206\u6cc4\u6f0f\u7684\u5185\u5b58\uff0c\u5bfc\u81f4\u5185\u5b58\u88ab\u9010\u6e10\u8017\u5c3d\u3002\u5f53\u5185\u5b58\u8017\u5c3d\u540e\uff0c\u5e94\u7528\u5c06\u5d29\u6e83\u5e76\u663e\u793a\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u627e\u51fa\u5185\u5b58\u6cc4\u6f0f\u7684\u6e90\u5934\uff08\u53ef\u4ee5\u501f\u52a9Android Studio\u7684\u5185\u5b58\u5206\u6790\u5de5\u5177\uff09\uff0c\u4fee\u590d\u95ee\u9898\u540e\uff0c\u786e\u4fdd\u5728\u540e\u7eed\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u9002\u65f6\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u8d44\u6e90\u3002<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/ag\/8\/sucai\/27.jpg\" \/><\/figure>\n<\/p>\n<p>#### 2.4 \u8d44\u6e90\u672a\u6b63\u786e\u91ca\u653e\uff08Resource Leak\uff09<\/p>\n<p>\u8d44\u6e90\u6cc4\u6f0f\u662f\u6307\u7a0b\u5e8f\u5411\u64cd\u4f5c\u7cfb\u7edf\u7533\u8bf7\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\uff09\uff0c\u5728\u4f7f\u7528\u5b8c\u540e\u672a\u53ca\u65f6\u91ca\u653e\u3002\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\u6216\u7cfb\u7edf\u9519\u8bef\uff0c\u4ece\u800c\u5f15\u53d1\u5e94\u7528\u5d29\u6e83\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u786e\u4fdd\u5728\u4f7f\u7528\u8d44\u6e90\u540e\u53ca\u65f6\u5173\u95ed\u6216\u91ca\u653e\u5b83\u4eec\u3002\u4f8b\u5982\uff0c\u5728\u64cd\u4f5c\u6587\u4ef6\u540e\uff0c\u8c03\u7528`close()`\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\u6d41\u3002<\/p>\n<p>&#8220;`java<\/p>\n<p>try {<\/p>\n<p>    \/\/ \u4f7f\u7528\u6587\u4ef6\u64cd\u4f5c\u8d44\u6e90<\/p>\n<p>} catch (Exception e) {<\/p>\n<p> <a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app<\/a>   \/\/ \u5904\u7406\u5f02\u5e38<\/p>\n<p>} finally {<\/p>\n<p>    \/\/ \u5173\u95ed\u8d44\u6e90<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>#### 2.5 \u903b\u8f91\u9519\u8bef\uff08Logical Error\uff09<\/p>\n<p>\u903b\u8f91\u9519\u8bef\u662f\u6307\u7a0b\u5e8f\u4e2d\u7684\u4ee3\u7801\u903b\u8f91\u5b58\u5728\u6f0f\u6d1e\u6216\u9519\u8bef\uff0c\u4ece\u800c\u5bfc\u81f4\u7a0b\u5e8f\u8868\u73b0\u51fa\u610f\u5916\u884c\u4e3a\u3002\u8fd9\u7c7b\u95ee\u9898\u53ef\u80fd\u4e0d\u4f1a\u76f4\u63a5\u5bfc\u81f4\u5e94\u7528\u5d29\u6e83\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3001\u8ba1\u7b97\u9519\u8bef\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u4ed4\u7ec6\u5ba1\u67e5\u4ee3\u7801\u903b\u8f91\uff0c\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u5b9a\u4f4d\u9519\u8bef\uff0c\u4fee\u590d\u4ee3\u7801\u903b\u8f91\u3002<\/p>\n<p>### 3. \u7ed3\u8bba<\/p>\n<p>\u4e86\u89e3\u4e86\u5404\u79cd\u53ef\u80fd\u5bfc\u81f4\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u7684\u539f\u56e0\u53ca\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6cd5\u540e\uff0c\u6211\u4eec\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u907f\u514d\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\u3002\u5f53\u7136\uff0c\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u7684\u539f\u56e0\u591a\u79cd\u591a\u6837\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4ec5\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u8003\u3002\u5982\u679c\u4f60\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u9047\u5230\u7c7b\u4f3c\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u770bLogcat\u65e5\u5fd7\u6765\u5b9a\u4f4d\u95ee\u9898\u5e76\u5bfb\u627e\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6587\u80fd\u591f\u4e3a\u5927\u5bb6\u5728Android\u5f00\u53d1\u9047\u5230\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u95ee\u9898\u65f6\u63d0\u4f9b\u5e2e\u52a9\uff0c\u795d\u5404\u4f4d\u5f00\u53d1\u987a\u5229\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bbaJava\u5f00\u53d1Android\u5e94\u7528\u65f6\u9047\u5230\u7684\u201c\u5e94\u7528\u505c\u6b62\u8fd0\u884c\u201d\u7684\u95ee\u9898\u3002\u6211\u4eec\u5c06\u4ece\u539f\u7406\u4ecb\u7ecd\uff0c\u6df1\u5165\u5256\u6790\u53ef\u80fd\u5bfc\u81f4\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\uff0c\u5e76\u4e3a\u5927\u5bb6\u63d0\u4f9b\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6cd5\u3002### 1. \u539f\u7406\u5256\u6790\u5f53\u6211\u4eec\u8fdb<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[22077,2435,22076,5710,8045],"class_list":["post-14712","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-c4droidapp","tag-2435","tag-app","tag-5710","tag-8045"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/14712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=14712"}],"version-history":[{"count":1,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/14712\/revisions"}],"predecessor-version":[{"id":14782,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/14712\/revisions\/14782"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=14712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=14712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=14712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}