Android app入门源码的相关内容

[帮助文档] 如何使用WebView在Android App中接入阿里云验证码2.0

随着混合模式移动应用（Hybrid App）开发技术的日益成熟，您可以通过在App业务中启用WebView组件的方式，直接接入移动端HTML5业务类型的阿里云验证码2.0，实现App业务中的人机对抗。本文介绍如何在Android App中接入验证码2.0。

Android Studio App入门之列表视图ListView的讲解及实战（附源码超详细必看）

需要图片集或全部源码请点赞关注收藏后评论区留言~~列表视图ListView如果想在页面上直接显示全部列表信息，就要引入新的列表视图ListView，列表视图允许在页面上分行展示相似的数据列表。列表视图新增的属性与方法如下divider 指定分割线的图形dividerHeight 指定分割线的高度li...

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Android Studio App开发入门之数据存储中共享参数SharedPreferneces的讲解及使用（附源码超详细必看）

运行有问题或需要源码请点赞关注收藏后评论区留言~~~一、共享参数的用法SharedPreferences是Android的一个轻量级存储工具，它采用的存储结构是key-value的键值对方式，类似于Java的Properties，二者都是把key-value的键值对保存在配置文件中，不同的是Prop...

Android Studio APP开发入门之对话框Dialog的讲解及使用（附源码包括提醒对话框，日期对话框，时间对话框）

运行有问题或需要源码请点赞关注收藏后评论区留言~~~一、提醒对话框AlertDialog名为提醒对话框，它是Android中最常用的对话框，可以完成常见的交互操作，例如提示，确认，选择等功能，由于AlertDialog没有公开的构造方法，因此必须借助建造起AlertDialog.Builder才能完...

Android Studio App开发入门之文本输入EditText的讲解及使用（附源码包括编辑框、焦点变更监听器、文本变化监听器）

运行有问题或需要源码请点赞关注收藏后评论区留言~~~一、编辑框EditText编辑框EditText用于接收软键盘输入的文字，例如用户名，密码，评价内容等等，它由文本视图派生而来。属性和方法如下图接下来通过XML布局观看编辑框界面效果当输满指定的位数之后就无法输入，并且选中时可以下划线高亮比较...

Android Studio App开发入门之选择按钮的讲解及使用（包括复选框，开关按钮，单选按钮，附源码）

运行有问题或需要图片资源请点赞关注收藏后评论区留言~~~在学习复选框之前，先了解一下CompoundButton，在Android体系中，CompoundButton类是抽象的复合按钮，因为是抽象类，所以它不能直接使用。实际用的是它的派生类如复选框CheckBox，单选按钮RadioButton以及...

Android Studio App开发入门之图形定制Drawable的讲解及实战（附源码超详细必看）

运行有问题或需要源码数据集请点赞关注收藏后评论区留言~~~图形DrawableAndroid把所有能够显示的图形都抽象为Drawable类，这里的图形不止是图片，还包括色块，画板，背景等等。包含图片在内的图形文件放在res的目录的各个drawable目录下，其实drawable目录一般保存描述性的X...

Android Studio App开发入门之活动Activity中为活动补充附加信息讲解及实战（附源码超详细必看）

运行有问题或需要源码请点赞关注收藏后评论区留言利用资源文件配置字符串利用Bundle固然能在页面跳转得时候传送数据，但这仅限于在代码中传递参数，如果要求临时修改某个参数的数值，就得去该Java代码，然而直接修改Java代码有两个弊端1：代码文件太多不好找到修改的地方2：每次改动代码都得重新编译浪...

Android Studio App开发入门之在活动之间传递消息（附源码超详细必看）（包括显示和隐式Intent，向上一个和下一个Activity发送数据）

运行有问题或需要源码请点赞关注收藏后评论区留言~~显示Intent和隐式IntentIntent是各个组件之间的信息沟通的桥梁，既能在Activity之间沟通，又能在Activity与Service沟通，也能在Activtiy与Broadcast之间沟通，总而言之，Intent用于Android各组...

Android Studio APP开发入门之活动Activity中启停活动页面的讲解及实战（附源码，包括Activity的启动结束、生命周期、跳转等）

运行有问题或需要源码请点赞关注收藏后评论区留言Activity的启动和结束通过startActivity方法可以从当前页面跳转到新页面，利用按钮控件中的点击事件去触发页面跳转。同样调用finish方法可以关闭当前页面，关闭了当前页面那么理所当然应该显示之前的页面，所以需要给箭头图标和完成按钮分别注册...

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