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android搜索框功能实现

这里实现的是搜索框时时查询,代码中是在数据库中使用的模糊查询;整个布局使用的是线性布局,搜索框又是一个线性布局(里面包含一个相对布局和一个TextView,相对布局里面有一个EditText和ImageVIew),下面是一个ListView;搜索框其实就是一个EditText,背景是用shape自己画出来的;上面放一个"删除"的图片;在Activity中给E

Android - Internal Storage Tutorial

Android provides many kinds of storage for applications to store their data. These storage places are shared preferences, internal and external storage, SQLite storage, and storage

解决AndroidStudio导入项目在 Building gradle project info

Android Studio导入项目的时候,一直卡在Building gradle project info这一步,主要原因还是因为被墙的结果。gradle官网虽然可以访问,但是速度连蜗牛都赶不上...解决办法主要有两种,一是直接下载gradle离线包,二是修改项目的gradle-wrapper.properties里的gradle版本为自己电脑已有的版本。

android sdk路径在哪个文件夹

默认在Android SDK安装目录的docs\reference\packages.html下。下面是Android的sdk、api及工程目录说明:SDK下包的说明:1:add-ons:Android开发需要的第三方文件和软件库2:docs:Android的文档。包括开发指南、API参考、资源等3:extras:扩展的附加包4:platforms:你安装下

Android - Broadcast Receivers

Broadcast Receiverssimply respond to broadcast messages from other applications or from the system itself. These messages are sometime called events or intents. For example, appl

Android - Intents and Filters

An AndroidIntentis an abstract description of an operation to be performed. It can be used withstartActivityto launch an Activity,broadcastIntentto send it to any interested Broadc

Android Tutorial

Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by G

Android - Content Providers

A content provider component supplies data from one application to others on request. Such requests are handled by the methods of the ContentResolver class. A content provider ca

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