用android studio 简单开发个APP
<h2>一、<strong><span style="font-family: Arial">Android studio </span><span style="font-family: 黑体">安装及配置</span></strong></h2><p><span style="font-family: Calibri">Android studio</span><span style="font-family: 宋体">开发 </span><span style="font-family: Calibri">app</span><span style="font-family: 宋体">是可以采用多种语言，比如</span><span style="font-family: Calibri">kotlin</span><span style="font-family: 宋体">，</span><span style="font-family: Calibri">java</span><span style="font-family: 宋体">等。</span><span style="font-family: Calibri">Kotlin</span><span style="font-family: 宋体">是</span><span style="font-family: Calibri">Google</span><span style="font-family: 宋体">将其作为开发</span><span style="font-family: Calibri">android</span><span style="font-family: 宋体">的第一语言，兼容</span><span style="font-family: Calibri">java</span><span style="font-family: 宋体">，（作者对它没有充分的了解），本文以</span><span style="font-family: Calibri">java</span><span style="font-family: 宋体">作为开发语言。</span></p>
<p> </p>
<p><span style="font-size: 18px"><strong><span style="font-family: 宋体">开发</span><span style="font-family: Calibri">android studio </span><span style="font-family: 宋体">前置安装：</span></strong></span></p>
<p><span style="font-family: Calibri">Jdk 8</span></p>
<p><span style="font-family: Calibri">Android studio 4</span></p>
<p><span style="font-family: Calibri">Sdk</span></p>
<p> </p>
<p><span style="font-family: 宋体">下载安装好上述工具后，打开</span><span style="font-family: Calibri">android studio</span></p>
<p><img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185348887-1253856286.png"></p>
<p>新建工程</p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185405165-419652619.png"></p>
<p><span style="font-family: 宋体">我们要运行于手机上，所以选择</span><span style="font-family: Calibri">Phone and Tablet </span><span style="font-family: 宋体">下的</span><span style="font-family: Calibri">Empty Activity,</span><span style="font-family: 宋体">这个界面上都是不同样式的模板，我们选择空白模板。</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185433148-1501148705.png"></p>
<p><span style="font-family: 宋体">填好工程名，包名，工程路径，选择</span><span style="font-family: Calibri">java</span><span style="font-family: 宋体">语言，支持最小手机</span><span style="font-family: Calibri">sdk</span><span style="font-family: 宋体">版本，大家可以看情况选择，推荐</span><span style="font-family: Calibri">API 16.</span></p>
<p><span style="font-family: 宋体">点击</span><span style="font-family: Calibri">finish</span><span style="font-family: 宋体">，进入程序界面</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185541279-237072739.png"></p>
<p><span style="font-family: 宋体">左侧画圈处可切换不同类型的工程结构，选择</span><span style="font-family: Calibri">project</span><span style="font-family: 宋体">，查看工程目录。</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185614624-660931128.png"></p>
<p><span style="font-family: 宋体">日常开发代码是在</span><span style="font-family: Calibri">app</span><span style="font-family: 宋体">文件夹下，现在工程下已自动生成一个空白主手机界面（可见这个空白手机界面包含 代码模式， 设计模式， 双模式），第一次安装无法看到设计界面，应首先配置</span></p>
<ol>
<li><span style="font-family: 宋体">下载好对应版本的</span><span style="font-family: Calibri">sdk</span><span style="font-family: 宋体">以及</span><span style="font-family: Calibri">sdk</span><span style="font-family: 宋体">工具</span></li>
<li>如果平时调试使用虚拟机，下载并配置好虚拟机</li>
<li><span style="font-family: 宋体">配置好工程需要使用的</span><span style="font-family: Calibri">gradle</span><span style="font-family: 宋体">等</span></li>
</ol>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185643153-155876875.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185657328-981690175.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185709042-923919299.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185756415-1385237810.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185807537-1078928518.png"></p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185820664-1137512161.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185854987-1916589262.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185908681-262443391.png"></p>
<p><span style="font-family: 宋体">最后在</span><span style="font-family: Calibri">gradle.properties</span><span style="font-family: 宋体">文件最后追加画圈部分代码，就可以开始测试吧。</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/2560757/202109/2560757-20210926185930345-239777079.png"></p>
<p> </p>
<p> </p>
<p>刚起步学习安卓推荐看《第一行代码：Android(第2版)》</p>
<p>链接：https://pan.baidu.com/s/1tymblXeRU3FdI8LcB0NYFg <br>提取码：4dgc</p><br><br>
来源：https://www.cnblogs.com/simaSoft/p/15339603.html
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