Android实战信息的相关内容

文章 2023-12-19 来自：开发者社区

Android App网络通信中利用okhttp实现下拉刷新和上拉加载实战（抓取文章信息超详细附源码）

需要源码和工具类请点赞关注收藏后评论区留言私信~~~一、实现下拉刷新和上拉加载功能网络上的信息很多，往往无法依次拉下来，故而App引入了分页加载功能，最开始先展示第一页内容，等到用户拉到该页底部后再去加载下一页内容，如此往复，按需加载，既提高了系统效率，也加快了显示速度然而Android只提供了下拉刷新布局SwipeRefreshLayout，用于在页面顶部下拉时的刷新操作，并未提供在页面底部上....

文章 2023-12-19 来自：开发者社区

Android App开发网络通信中使用okhttp下载和上传图片、文件讲解及实战（超详细实现用户注册信息上传附源码）

需要源码请点赞关注收藏后评论区留言并且私信~~~一、使用okhttp下载图片okhttp不但简化了HTTP接口的调用过程，连下载文件都变得简单了，对于一般的文件下载，按照常规的GET方式调用流程，只要重写回调方法onResponse，在该方法中通过应答对象的body方法即可获得应答的数据包对象，调用数据包对象的string方法即可得到文本形式的字符串，下面以下载网络图片为例，位图工具Bitmap....

文章 2023-12-19 来自：开发者社区

Android App开发实战项目之给用户推荐旅游信息图片（附源码简单易懂）

需要全部源码请点赞关注收藏后评论区留言~~~一、需求描述假定用户打开一个旅游App想看看哪里风景比较优美，那么App应当展示各地的风景名声图片，为了让界面不太呆板，可以考虑交错显示风景图片，接着用户向下拉动页面，想要刷新界面浏览更多的图片，此时App界面响应下拉刷新手势弹出加载源泉等待App努力加载新的图片列表，加载完成之后，界面展示新一批的风景图片，同时加载圆圈消失。接下来我们实践如何让App....

文章 2023-12-19 来自：开发者社区

Android Studio App开发之通知推送Notification的讲解及实战（给用户推送信息实战）

运行有问题或需要全部资源请点赞关注收藏后评论区留言~~~一、通知推送Ntification在APP的运行过程中，为了让用户及时收到某些消息，有必要由App主动向用户推送消息通知，以免错过有价值的信息。在手机屏幕的顶端下拉会弹出通知栏，里面存放的便是App主动推给用户的提醒消息，消息通知的组成内容由Notification类所描述，每条消息通知都有消息图标，消息标题，消息内容等基本元素，时不时还有....

文章 2023-12-19 来自：开发者社区

Android Studio开发之应用组件Application的讲解及实战（附源码，通过图书管理信息系统实战）

需要源码请点赞关注收藏后评论区留言~~一、Application的生命周期Application是Android的一大组件，在APP运行过程中有且仅有一个Application对象贯穿应用的整个生命周期打开AndroidMainfest.xml 发现activity节点的上级正是application节点，不过该节点并未指定name属性，此时App采用默认的Application实例二、利用A....

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