{"id":2651,"date":"2023-07-07T14:53:10","date_gmt":"2023-07-07T06:53:10","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=2651"},"modified":"2023-07-07T14:53:10","modified_gmt":"2023-07-07T06:53:10","slug":"app%e5%bc%80%e5%8f%91java%e5%86%85%e5%ae%b9%e9%9a%be%e5%ad%a6%e5%98%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/2651\/","title":{"rendered":"app\u5f00\u53d1java\u5185\u5bb9\u96be\u5b66\u561b\uff1f"},"content":{"rendered":"

Java\u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u7531James Gosling\u521b\u5efa\uff0c\u4e8e1995\u5e74\u9996\u6b21\u53d1\u5e03\u3002\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u76f8\u6bd4\uff0cJava\u62e5\u6709\u8bb8\u591a\u4f18\u52bf\uff1b\u4f8b\u5982\uff0c\u5b83\u7b80\u5355\u6613\u5b66\u3001\u529f\u80fd\u5f3a\u5927\u3001\u5b89\u5168\u6027\u9ad8\u3001\u53ef\u79fb\u690d\u6027\u5f3a\u4e14\u8de8\u5e73\u53f0\u7b49\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u7eb5\u89c8Java\u7684\u57fa\u672c\u529f\u80fd\uff0c\u63ed\u793a\u5176\u72ec\u7279\u6027\uff0c\u5e76\u63d0\u4f9b\u7528\u4e8eApp\u5f00\u53d1\u7684\u4e00\u4e9b\u5173\u952e\u539f\u7406\u548c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n

**Java\u8bed\u8a00\u7684\u7279\u70b9**<\/p>\n

1. \u7b80\u6d01\u6027\uff1aJava\u7684\u8bed\u6cd5\u7b80\u5355\uff0c\u6709\u7740\u6613\u61c2\u4e14\u7cbe\u4e86\u7684C\u548cC++\u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784\u3002\u540c\u65f6\uff0cJava\u6452\u5f03\u4e86\u4e00\u4e9b\u6613\u5bfc\u81f4\u9519\u8bef\u7684\u7279\u6027\uff0c\u5982\u6307\u9488\u548c\u8fd0\u7b97\u7b26\u91cd\u8f7d\u3002<\/p>\n

2. \u9762\u5411\u5bf9\u8c61\uff1aJava\u7d27\u8ddf\u73b0\u4ee3\u7f16\u7a0b\u6f6e\u6d41\uff0c\u652f\u6301\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\uff0c\u63d0\u4f9b\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\u7b49OOP\u7279\u6027\u3002\u9762\u5411\u5bf9\u8c61\u7684\u6838\u5fc3\u6982\u5ff5\u4e3a\u5bf9\u8c61\uff08Object\uff09\uff0c\u6240\u6709\u5143\u7d20\u90fd\u53ef\u89c6\u4e3a\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5c5e\u4e8e\u67d0\u4e00\u7c7b\u522b\uff08Class\uff09\u3002\u53ef\u4ee5\u7f16\u5199\u590d\u7528\u6027\u9ad8\u4e14\u6613\u7ef6\u6269\u5c55\u7684\u7a0b\u5e8f\u3002<\/p>\n

3. \u8de8\u5e73\u53f0\u6027\uff1aJava\u5e94\u7528\u7a0b\u5e8f\u4ee5\u201c\u4e00\u6b21\u7f16\u5199\uff0c\u591a\u5904\u8fd0\u884c\u201d\u7684\u539f\u5219\uff0c\u5728\u4e0d\u540c\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002Java\u7a0b\u5e8f\u5728\u6267\u884c\u524d\u88ab\u7f16\u8bd1\u6210\u5b57\u8282\u7801\uff08Bytecode\uff09\uff0c\u7531Java\u865a\u62df\u673a\uff08JVM\uff09\u8d1f\u8d23\u89e3\u91ca\u8fd0\u884c\uff0c\u53ea\u8981\u6709\u5408\u9002\u7684JVM\uff0c\u5c31\u80fd\u5728\u5404\u79cd\u8bbe\u5907\u4e0a\u8fd0\u884c\u3002<\/p>\n

4. \u5b89\u5168\u6027\uff1aJava\u5728\u5185\u5b58\u7ba1\u7406\u3001\u5f02\u5e38\u5904\u7406\u548c\u8bbf\u95ee\u6743\u9650\u7b49\u65b9\u9762\u63d0\u4f9b\u4e86\u591a\u91cd\u673a\u5236\uff0c\u786e\u4fdd\u4ee3\u7801\u8fd0\u884c\u5b89\u5168\u3002\u5982\uff0c\u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536\u7531Java\u8fd0\u884c\u65f6\u81ea\u52a8\u7ba1\u7406\uff1b\u8f7d\u5165\u7c7b\u65f6\uff0c\u7c7b\u52a0\u8f7d\u5668\u5bf9\u7c7b\u7ed3\u6784\u4e0a\u7684\u5b89\u5168\u95ee\u9898\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n

5. \u591a\u7ebf\u7a0b\uff1aJava\u5185\u7f6e\u4e86\u5bf9\u591a\u7ebf\u7a0b\u652f\u6301\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u591a\u4efb\u52a1\u5904\u7406\u3002\u5bf9\u6bd4C++\u7b49\u7f16\u7a0b\u8bed\u8a00\uff0cJava\u53ef\u4ee5\u66f4\u7b80\u5355\u5730\u5b8c\u6210\u590d\u6742\u3001\u9ad8\u6027\u80fd\u7684\u7a0b\u5e8f\u3002<\/p>\n

**App\u5f00\u53d1\u4e2d\u7684Java\u57fa\u672c\u539f\u7406**<\/p>\n

1. Android\u5e73\u53f0\uff1aAndroid\u662f\u4e00\u79cd\u57fa\u4e8eLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5f00\u653e\u6e90\u4ee3\u7801\u79fb\u52a8\u5e73\u53f0\uff0c\u91c7\u7528Java\u8fdb\u884cApp\u5f00\u53d1\u3002\u5b89\u5353SDK\uff08Software Development Kit\uff09\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u5de5\u5177\u96c6\u548cAPI\u5e93\uff0c\u53ef\u7528\u4e8e\u6784\u5efa\u9002\u7528\u4e8eAndroid\u5e73\u53f0\u7684App\u3002<\/p>\n

2. Activity\uff1a\u5728Android\u4e2d\uff0cActivity\u4ee3\u8868\u7740\u7528\u6237\u4e0eapp\u6240\u8fdb\u884c\u7684\u4ea4\u4e92\u64cd\u4f5c\u3002\u4e00\u4e2aapp\u53ef\u4ee5\u5305\u62ec\u591a\u4e2aActivity\uff0c\u5f53\u7528\u6237\u6fc0\u6d3b\u4e00\u4e2aActivity\u65f6\uff0c\u7cfb\u7edf\u5c06\u5176\u663e\u793a\u5728\u524d\u53f0\u3002Activity\u7684\u5b9e\u73b0\u9700\u8981\u7ee7\u627f\u81eaAndroid\u6846\u67b6\u5185\u7684Activity\u7c7b\uff0c\u5e76\u91cd\u5199\u4e00\u4e9b\u5173\u952e\u65b9\u6cd5\uff0c\u5982onCreate()\u3001onResume()\u548conDestroy()\u7b49\u3002<\/p>\n

3. \u56db\u5927\u7ec4\u4ef6\uff1aAndroid\u7cfb\u7edf\u4e2d\uff0c\u6709\u56db\u5927\u57fa\u672c\u7ec4\u4ef6\u2014\u2014Activity\u3001Service\u3001BroadcastReceiver\u548cContentProvider\u3002Service\u662f\u5728\u5e94\u7528\u7a0b\u5e8f<\/p>\n

<\/figure>\n<\/p>\n

\u7684\u540e\u53f0\u8fd0\u884c\u7684\u7ec4\u4ef6\uff0c\u5bf9\u4e8e\u5916\u90e8\u5e94\u7528\u4e0d\u53ef\u89c1\u3002BroadcastReceiver\u80fd\u63a5\u6536\u5e76\u5904\u7406\u7279\u5b9a\u7c7b\u578b\u7684\u5e7f\u64ad\u3002ContentProvider\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u95f4\u5171\u4eab\u6570\u636e\u3002<\/p>\n

4. AndroidManifest.xml\uff1a\u5728App\u6587\u4ef6\u9879\u76ee\u5185\uff0c\u4f1a\u6709\u4e00\u4e2a\u540d\u4e3aAndroidManifest.xml\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u8be5\u6587\u4ef6\u7528\u4e8e\u58f0\u660e\u5e94\u7528\u7a0b\u5e8f\u6240\u5305\u542b\u7684\u7ec4\u4ef6\u3001\u6743\u9650\u8981\u6c42\u3001\u8bbe\u5907\u517c\u5bb9\u6027\u7b49\u4fe1\u606f\u3002\u7cfb\u7edf\u6839\u636e\u8fd9\u91cc\u7684\u6570\u636e\uff09\uff0c\u786e\u5b9a\u5982\u4f55\u4e0e\u5404app\u4e00\u540c\u8fd0\u884c\u3002<\/p>\n

**Java\u5728App\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b**<\/p>\n

\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u754c\u9762\u8df3\u8f6c\u4e3a\u4f8b\uff1a\u5047\u8bbe\u73b0\u6709\u4e24\u4e2aActivity\u2014\u2014MainActivity\uff08\u4e3b\u754c\u9762\uff09\u548cSecondActivity\uff08\u6b21\u754c\u9762\uff09\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u4e3b\u754c\u9762\u7684\u6309\u94ae\u540e\uff0c\u8df3\u8f6c\u81f3\u6b21\u754c\u9762\u3002<\/p>\n

\u9996\u5148\uff0c\u5728MainActivity\u4e2d\u8bbe\u7f6e\u6309\u94ae\u70b9\u51fb\u76d1\u542c\u5668\uff1a <\/p>\n

“`java<\/p>\n

button.setOnClickListener(new View.OnClickListener() {<\/p>\n

@Override<\/p>\n

public void onClick(View v) {<\/p>\n

Intent intent = new Intent(MainActivity.this, SecondActivity.class);<\/p>\n

startActivity(intent);<\/p>\n

}<\/p>\n

});<\/p>\n

“`<\/p>\n

\u63a5\u7740\uff0c\u5728SecondActivity\u4e2d\u91cd\u5199onCreate\u65b9\u6cd5\uff0c\u5b9e\u73b0\u754c\u9762\u52a0\u8f7d\uff1a<\/p>\n

“`java<\/p>\n

@Override<\/p>\n

protected void onCreate(Bundle saAPP<\/a>vedInstanceState) {<\/p>\n

super.onCreate(savedInstanceState);<\/p>\n

setContentView(R.layout.activity_second);<\/p>\n

}<\/p>\n

“`<\/p>\n

\u672c\u4f8b\u5c55\u793a\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u7279\u70b9\uff1a\u5c06Activity\u89c6\u4e3a\u5bf9\u8c61\uff0c\u901a\u8fc7onClick()\u65b9\u6cd5\u5b9e\u73b0\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u3002<\/p>\n

\u7efc\u4e0a\uff0cJava\u7684\u6613\u7528\u6027\u3001\u9762\u5411\u5bf9\u8c61\u7279\u70b9\u3001\u8de8\u5e73\u53f0\u6027\u3001\u5b89\u5168\u6027\u4ee5\u53ca\u591a\u7ebf\u7a0b\u80fd\u529b\u4e3aApp\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u652f\u6301\u3002\u5b66\u4e60\u5e76\u638cAPP\u5f00\u53d1<\/a>\u63e1Java\uff0c\u4fbf\u80fd\u8f7b\u677e\u5f00\u53d1\u529f\u80fd\u4e30\u5bcc\uff0c\u754c\u9762\u7f8e\u89c2\uff0c\u54cd\u5e94\u8fc5\u901f\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Java\u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u7531James Gosling\u521b\u5efa\uff0c\u4e8e1995\u5e74\u9996\u6b21\u53d1\u5e03\u3002\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u76f8\u6bd4\uff0cJava\u62e5\u6709\u8bb8\u591a\u4f18\u52bf\uff1b\u4f8b\u5982\uff0c\u5b83\u7b80\u5355\u6613\u5b66\u3001\u529f\u80fd\u5f3a\u5927\u3001\u5b89\u5168\u6027\u9ad8\u3001\u53ef\u79fb\u690d\u6027\u5f3a\u4e14\u8de8\u5e73\u53f0\u7b49\u3002\u672c\u7bc7\u6587<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5474,14,5473,781,5472],"class_list":["post-2651","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-exe","tag-14","tag-app","tag-781","tag-5472"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/2651","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\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=2651"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/2651\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=2651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=2651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=2651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}