{"id":5259,"date":"2023-05-16T12:05:34","date_gmt":"2023-05-16T04:05:34","guid":{"rendered":"https:\/\/app.applebyme.cn\/cloud\/?p=5259"},"modified":"2023-05-16T12:05:34","modified_gmt":"2023-05-16T04:05:34","slug":"android-app-demo%e4%b8%bb%e8%a6%81%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/app.applebyme.cn\/cloud\/appshangjia\/5259.html","title":{"rendered":"android app demo\u4e3b\u8981\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

Android\u5e94\u7528\u7a0b\u5e8f\u662f\u4e00\u79cd\u57fa\u4e8eJava\u7f16\u7a0b\u8bed\u8a00\u7684\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u5728Android\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002Android\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u7531\u591a\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff0c\u5305\u62ec\u6d3b\u52a8\uff08Activity\uff09\u3001\u670d\u52a1\uff08Service\uff09\u3001\u5e7f\u64ad\u63a5\u6536\u5668\uff08Broadcast Receiver\uff09\u548c\u5185\u5bb9\u63d0\u4f9b\u8005\uff08Content Provider\uff09\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecdAndroid\u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u672c\u7ed3app\u529f\u80fd\u5f15\u5bfc\u9875<\/a>\u6784\u548c\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b\u3002<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u7ed3\u6784<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u7531\u4ee5\u4e0b\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n

1. \u6d3b\u52a8\uff08Activity\uff09\uff1a\u6d3b\u52a8\u662f\u4e00\u4e2a\u7528\u6237\u754c\u9762\uff08UI\uff09\u7ec4\u4ef6\uff0c\u7528\u4e8e\u4e0e\u7528\u6237\u4ea4\u4e92\u3002\u6bcf\u4e2a\u6d3b\u52a8\u90fd\u6709\u4e00\u4e2a\u5e03\u5c40\u6587\u4ef6\uff0c\u7528\u4e8e\u5b9a\u4e49\u5176\u7528\u6237\u754c\u9762\u3002\u6d3b\u52a8\u53ef\u4ee5\u54cd\u5e94\u7528\u6237\u7684\u8f93\u5165\u4e8b\u4ef6\uff0c\u5e76\u5411\u7528\u6237\u663e\u793a\u4fe1\u606f\u3002<\/p>\n

2. \u670d\u52a1\uff08Service\uff09\uff1a\u670d\u52a1\u662f\u4e00\u79cd\u5728\u540e\u53f0\u8fd0\u884c\u7684\u7ec4\u4ef6\uff0c\u6ca1\u6709\u7528\u6237\u754c\u9762\u3002\u670d\u52a1\u901a\u5e38\u7528\u4e8e\u6267\u884c\u540e\u53f0\u4efb\u52a1\uff0c\u4f8b\u5982\u4e0b\u8f7d\u6587\u4ef6\u6216\u64ad\u653e\u97f3\u4e50\u3002<\/p>\n

3. \u5e7f\u64ad\u63a5\u6536\u5668\uff08Broadcast Receiver\uff09\uff1a\u5e7f\u64ad\u63a5\u6536\u5668\u662f\u4e00\u79cd\u7ec4\u4ef6\uff0c\u7528\u4e8e\u63a5\u6536\u7cfb\u7edf\u6216\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u51fa\u7684\u5e7f\u64ad\u6d88\u606f\u3002\u5e7f\u64ad\u63a5\u6536\u5668\u53ef\u4ee5\u54cd\u5e94\u7cfb\u7edf\u4e8b\u4ef6\uff0c\u4f8b\u5982\u8bbe\u5907\u542f\u52a8\u6216\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u66f4\u6539\u3002<\/p>\n

4. \u5185\u5bb9\u63d0\u4f9b\u8005\uff08Content Provider\uff09\uff1a\u5185\u5bb9\u63d0\u4f9b\u8005\u662f\u4e00\u79cd\u7ec4\u4ef6\uff0c\u7528\u4e8e\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u3002\u5185\u5bb9\u63d0\u4f9b\u8005\u53ef\u4ee5\u8ba9\u5e94\u7528\u7a0b\u5e8f\u5171\u4eab\u6570\u636e\uff0c\u4f8b\u5982\u8054\u7cfb\u4eba\u5217\u8868\u6216\u7167\u7247\u5e93\u3002<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u5de5\u4f5c\u539f\u7406<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n

1. \u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u65f6\uff0c\u7cfb\u7edf\u4f1a\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5e76\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684\u8fdb\u7a0bID\u3002<\/p>\n

2. \u5e94\u7528\u7a0b\u5e8f\u8fdb\u7a0b\u4e2d\u7684\u4e3b\u7ebf\u7a0b\u4f1a\u542f\u52a8\u4e00\u4e2a\u6d3b\u52a8\uff0c\u5e76\u663e\u793a\u5176\u7528\u6237\u754c\u9762\u3002<\/p>\n

3. \u7528\u6237\u4e0e\u6d3b\u52a8\u4ea4\u4e92\u65f6\uff0c\u6d3b\u52a8\u4f1a\u54cd\u5e94\u7528\u6237\u7684\u8f93\u5165\u4e8b\u4ef6\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n

4. \u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u5728\u540e\u53f0\u6267\u884c\u4efb\u52a1\uff0c\u5219\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u670d\u52a1\u3002\u670d\u52a1\u5c06\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u5e76\u6267\u884c\u6307\u5b9a\u7684\u64cd\u4f5c\u3002<\/p>\n

5. \u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u63a5\u6536\u7cfb\u7edf\u6216\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u51fa\u7684\u5e7f\u64ad\u6d88\u606f\uff0c\u5219\u53ef\u4ee5\u6ce8\u518c\u4e00\u4e2a\u5e7f\u64ad\u63a5\u6536\u5668\u3002\u5e7f\u64ad\u63a5\u6536\u5668\u5c06\u5728\u7279\u5b9a\u4e8b\u4ef6\u53d1\u751f\u65f6\u63a5\u6536\u5230\u5e7f\u64ad\u6d88\u606f\uff0c\u5e76\u6267\u884c\u6307\u5b9a\u7684\u64cd\u4f5c\u3002<\/p>\n

6. \u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5185\u5bb9\u63d0\u4f9b\u8005\u3002\u5185\u5bb9\u63d0\u4f9b\u8005\u5c06\u63d0\u4f9b\u5bf9\u7279\u5b9a\u6570\u636e\u96c6\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5e76\u5141\u8bb8\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u8bfb\u53d6\u6216\u5199\u5165\u8be5\u6570\u636e\u3002<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u5305\u542b\u4e00\u4e2a\u6d3b\u52a8\u548c\u4e00\u4e2a\u6309\u94ae\u3002\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u663e\u793a\u4e00\u4e2a\u6d88\u606f\u6846\uff0c\u663e\u793a\u201cHello, World!\u201d\u3002<\/p>\n

1. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Android\u9879\u76ee\uff0c\u5e76\u6253\u5f00\u201cactivity_main.xml\u201d\u6587\u4ef6\u3002<\/p>\n

2. \u5728\u201cactivity_main.xml\u201d\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6309\u94ae\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

“`<\/p>\n<\/p>\n

android:id=”@+id\/button”<\/p>\n

android:layout_width=”wrap_content”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:text=”Click me!” \/><\/p>\n

“`<\/p>\n

3. \u6253\u5f00\u201cMainActivity.java\u201d\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n

“`<\/p>\n

package com.example.myapplication;<\/p>\n

import android.os.Bundle;<\/p>\n

import android.view.View;<\/p>\n

import android.widget.Button;<\/p>\n

import android.widget.Toast;<\/p>\n

import androidx.appcompat.app.AppCompatActAPP\u5728\u7ebf\u5236\u4f5c<\/a>ivity;<\/p>\n

public class MainActivity extends AppCompatActivity {<\/p>\n

@Override<\/p>\n

protected void onCreate(Bundle savedInstanceState) {<\/p>\n

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

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

Button button = findViewById(R.i<\/p>\n

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

d.button);<\/p>\n

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

@Override<\/p>\n

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

Toast.makeText(MainActivity.this, “Hello, World!”, Toast.LENGTH_SHORT).show();<\/p>\n

}<\/p>\n

});<\/p>\n

}<\/p>\n

}<\/p>\n

“`<\/p>\n

4. \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u70b9\u51fb\u6309\u94ae\u3002\u5e94\u7528\u7a0b\u5e8f\u5c06\u663e\u793a\u4e00\u4e2a\u6d88\u606f\u6846\uff0c\u663e\u793a\u201cHello, World!\u201d\u3002<\/p>\n

\u603b\u7ed3<\/p>\n

Android\u5e94\u7528\u7a0b\u5e8f\u662f\u4e00\u79cd\u57fa\u4e8eJava\u7f16\u7a0b\u8bed\u8a00\u7684\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u5728Android\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002Android\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u7531\u591a\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff0c\u5305\u62ec\u6d3b\u52a8\u3001\u670d\u52a1\u3001\u5e7f\u64ad\u63a5\u6536\u5668\u548c\u5185\u5bb9\u63d0\u4f9b\u8005\u7b49\u3002Android\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u65f6\uff0c\u7cfb\u7edf\u4f1a\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5e76\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684\u8fdb\u7a0bID\u3002\u5e94\u7528\u7a0b\u5e8f\u8fdb\u7a0b\u4e2d\u7684\u4e3b\u7ebf\u7a0b\u4f1a\u542f\u52a8\u4e00\u4e2a\u6d3b\u52a8\uff0c\u5e76\u663e\u793a\u5176\u7528\u6237\u754c\u9762\u3002\u7528\u6237\u4e0e\u6d3b\u52a8\u4ea4\u4e92\u65f6\uff0c\u6d3b\u52a8\u4f1a\u54cd\u5e94\u7528\u6237\u7684\u8f93\u5165\u4e8b\u4ef6\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u5728\u540e\u53f0\u6267\u884c\u4efb\u52a1\uff0c\u5219\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u670d\u52a1\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u63a5\u6536\u7cfb\u7edf\u6216\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u51fa\u7684\u5e7f\u64ad\u6d88\u606f\uff0c\u5219\u53ef\u4ee5\u6ce8\u518c\u4e00\u4e2a\u5e7f\u64ad\u63a5\u6536\u5668\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5185\u5bb9\u63d0\u4f9b\u8005\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Android\u5e94\u7528\u7a0b\u5e8f\u662f\u4e00\u79cd\u57fa\u4e8eJava\u7f16\u7a0b\u8bed\u8a00\u7684\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u5728Android\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002Android\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u7531\u591a\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff0c\u5305\u62ec\u6d3b\u52a8\uff08Activity\uff09\u3001\u670d\u52a1\uff08Service\uff09\u3001\u5e7f\u64ad\u63a5\u6536\u5668<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[7413,7415,1775,7414,7416],"class_list":["post-5259","post","type-post","status-publish","format-standard","hentry","category-appshangjia","tag-flutteripa","tag-ios","tag-1775","tag-7414","tag-7416"],"_links":{"self":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/5259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/comments?post=5259"}],"version-history":[{"count":0,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/5259\/revisions"}],"wp:attachment":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/media?parent=5259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/categories?post=5259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/tags?post=5259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}