android 省市县三级联动 实例源码(含sqlite数据库)下载

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【核心代码】 public interface CameraSource {  static final String LOG_TAG = "camera";  /**  * Open the camera source for subsequent use via calls to capture().  *   * @return true if the camera source was successfully opened.  */  boolean open();  /**  * Close the camera source. Calling close on a closed CameraSource is  * permitted but has no effect. The camera source may be reopened after  * being closed.  */  void close();  /**  * The width of the captured image.  *   * @return the width of the capture in pixels  */  int getWidth();  /**  * The height of the captured image.  *   * @return the height of the capture in pixels  */  int getHeight();  /**  * Attempts to render the current camera view onto the supplied canvas.  * The capture will be rendered into the rectangle (0,0,width,height).  * Outstanding transformations on the canvas may alter this.  *   * @param canvas the canvas to which the captured pixel data will be written  * @return true iff a frame was successfully written to the canvas  */  boolean capture(Canvas canvas);  boolean saveImage(String savePath, String fileName); }

Android局域网音频通信程序（AudioRecord采集，AudioTrack播放）Android局域网音频通信程序，利用AudioRecord采集，AudioTrack播放。

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手动滑动转盘。

开发学习的例子

在wifi局域网下，手机可以和电脑通过socket通信。手机做服务端，电脑做客户端；也可以反过来，电脑做服务端，手机做客户端。下面介绍的是手机作为服务端，电脑使用MFC编程作为客户端，原理是，手机建立一个ServerSocket，并获取自己的ip地址和端口port；然后电脑通过socket连接手机的ip：port。

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