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android 自定义单选、多选对话框及popwindow窗口实例源码

获得应用程序信息 PackageManager的使用

说明：  蓝牙通信，手机端与单片机之间蓝牙通信，可用于蓝牙定位。(Bluetooth connection)

【实例简介】

android 图片高斯图片模糊算法

具有24小时计时的电子钟，并与数码管上显示，中断方式分为2种。(With 24 hours the electric clock time, and with digital tube display, divided into two interrupt mode.)

android的Fragment设计实例。可以模拟QQ和支付宝一类的页面切换效果。(Fragment Android design examples. Can simulate the QQ and Alipay page switching effect.)

语言 密码锁 51单片机，可以语音播报，有6位密码重置，掉电记忆。(Language password lock 51 microcontroller, voice broadcast, there are 6 password reset, power down memory.)

设计的Android自定义View，模仿老电话式旋转拨号盘，按住数字键后绕着圆心进行旋转，当旋转到第三象限时，中心图片会改变，在第三象限抬起手，就会将按住的数字填入编辑框，也可点击编辑框后的后退按钮进行撤销操作，编辑完后点击中心图片会验证所填入密码是否正确。我当前设计的密码是123.(Design custom Android View, imitating the old rotary dial phone, hold the number key to rotate around the center of the circle, when the rotation to the third quadrant, the center picture will change, raised his hand in the third quadrant, they will be Press and hold the digital fill edit box can also click the Back button in the edit box for withdrawal after the operation, after editing click on the picture will validate the populated center of the password is correct. My current design code is 123.)

android 监听自身被卸载 例子源码