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1 关于常见的对话框，主要有：常见的对话框，单选对话框，多选对话框，进度条对话框（转圈类型的），带进度条的对话框。案例结构：完成如下结构的案例，将所有的案例都测试一下： 2 编写MainActivity，代码如下： package com.itheima.dialog; i...

Android之指南针学习

5月12日更新到V5版：http://download.csdn.net/detail/weidi1989/5364243 今天，在小米的开源项目中下载了一个指南针源码学习了一下，感觉不仅界面做得很漂亮，代码也是很精致，所以我...

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我的Android进阶之旅------>Android利用Sensor(传感器)实现指南针功能

首先来说一说该指南针的实现思路：程序先准备一张指南针图片，该图片上方向指针指向北方。接下来开发一个检测方向的传感器，程序检测到手机顶部绕Z轴转过多少度，让指南针图片反向转多少度即可。由此可见指南针应用只要在界面中添加一张图片，并让图片总是反向转过反向传感器返回的第一个角度值即可。下面介绍一下方向...

android 指南针

引用：http://blog.csdn.net/octobershiner/article/details/6641942 晚上好～今天继续给大家分享一下第二个重要的感应器，其实获取方向本应该很简单的事情，在文章一中看到有个TYPE_ORIENTATION 关键字，说明可以直接获取设备...

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