android-sdk_r10-windows

实验器材: 战舰STM32F103开发板V3版本 实验目的: 学习内存管理知识,方便大工程应用. 硬件资源: 1,DS0(连接在PB5) 2,串口1(波特率:115200,PA9/PA10连接在板载USB转串口芯片CH340上面) 3,ALIENTEK 2.8/3.5/4.3/7寸TFTLCD模块(通过FSMC驱动,FSMC_NE4接LCD片选/A10接RS) 4,按键KEY0(PE4)/KEY1(PE3)/KEY2(PE2)/KEY_UP(PA0,也称之为WK_UP) 5,外部SRAM(IS62WV51216,通过FSMC驱动,FSMC_NE3接SRAM)  实验现象: 本实验开机后，显示提示信息，等待外部输入。KEY0用于申请内存，每次申请2K字节内存。KEY1用于写数据 到申请到的内存里面。KEY2用于释放内存。KEY_UP用于切换操作内存区（内部SRAM内存/外部SRAM内存）。 DS0用于指示程序运行状态。本章我们还可以通过USMART调试，测试内存管理函数。注意事项: 1,4.3寸和7寸屏需要比较大电流,USB供电可能不足,请用外部电源适配器(推荐外接12V 1A电源). 2,本例程在LCD_Init函数里面(在ILI93xx.c),用到了printf,如果不初始化串口1,将导致液晶无法显示!!  

说明：  脉冲宽度调制是一种模拟控制方式，根据相应载荷的变化来调制晶体管基极或MOS管栅极的偏置，来实现晶体管或MOS管导通时间的改变，从而实现开关稳压电源输出的改变。这种方式能使电源的输出电压在工作条件变化时保持恒定，是利用微处理器的数字信号对模拟电路进行控制的一种非常有效的技术。脉冲宽度调制是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术，广泛应用在从测量、通信到功率控制与变换的许多领域中。(Pulse width modulation (PWM) is an analog control method, which modulates the bias of transistor base or MOS gate according to the change of load, so as to change the turn-on time of transistor or MOS and realize the change of output of switching regulated power supply. This method can keep the output voltage of the power supply constant when the working conditions change. It is a very effective technology to control the analog circuit by using the digital signal of the microprocessor. Pulse width modulation (PWM) is a very effective technology to control analog circuits by using the digital output of microprocessors. It is widely used in many fields, from measurement, communication to power control and conversion.)

Android 图形图表 示例源码

Android帮助文档(第四部分)（全三节），Android中文帮助文档，电子书(Android to help document (Part IV) (all three), Android Chinese help documentation, e-books)

android application for authentification

易安卓8266 控制LED灯(demoe4a.e4a)

Android应用，个人生活助手类，支持天气地点照片等状态显示与分享至微信朋友圈(Android applications, personal life helper classes to support weather locations and sharing photos and status display to the micro-channel circle of wechat)

android 仿哔哩哔哩源码实例，附源码，截图

This is a good example of a ListBox to learn from Symbian.

基于Android的音乐播放APP，使用eclipse编程的Java程序，直接在eclipse（配置好Android开发环境）上运行，适合新手学习(Android-based music player APP, use eclipse Java programming procedures directly in the eclipse (configured Android development environment) running for novice learning)