基于Android的校友信息管理系统

LoaderManager异步加载数据库，精选android学习源码，很好的参考资料。(LoaderManager asynchronous loading the database, select the Android learning source code, a good reference.)

andriod滚轮选择生日 例子源码下载

android 双向侧滑菜单 实例源码下载

资源描述Android系统中，监听电话的状态，获取通话内容，监听短信数据库，获取接受、发送的短信

Metronome is a lightweight, well designed metronome app for Android focused on offering a consistent and usable design without limiting functionality.

二维码扫描，能直接运行，稍微修改就可运用到自己项目！

Stores new words temporarily until they are promoted to the user dictionary for longevity for Andriod.

JavaApk汒隴ㄩ :                                                  1) 掛桴祥悵痐垀枑鼎璃麼最唗腔俇淕俶睿假俶﹝              2) 蛌婥掛桴枑鼎腔訧埭昦刉壺掛佽隴恅璃﹝                    3) 掛桴埭鎢峈厙奻刲摩麼厙衭枑鼎ㄛ彆扡摯麼漲善蠟腔唳ㄛ蕾撈籵眭扂蠅﹝                                      4) 掛桴枑鼎轎煤測鎢硐褫鼎旃噶悝炾妏蚚ㄛ昦蚚衾妀珛蚚芴蚕森竘珨綴彆迵掛桴拸壽﹝                              5) 妀珛埭鎢婓埭鎢忨毓峓囀輛俴妏蚚ㄐ                

[实例简介]Open GL 入门级示例 [实例截图] [核心代码]package com.china.gltry;import javax.microedition.khronos.egl.EGL10;import javax.microedition.khronos.egl.EGL11;import javax.microedition.khronos.egl.EGLConfig;import javax.microedition.khronos.egl.EGLContext;import javax.microedition.khronos.egl.EGLDisplay;import javax.microedition.khronos.egl.EGLSurface;import javax.microedition.khronos.opengles.GL;import android.view.SurfaceHolder;/** * An EGL helper class. */public class EGLHelper{ public EGLHelper() { } /** * Initialize EGL for a given configuration spec. * @param configSpec */ public void start(int[] configSpec){ /* * Get an EGL instance */ mEgl = (EGL10) EGLContext.getEGL(); /* * Get to the default display. */ mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY); /* * We can now initialize EGL for that display */ int[] version = new int[2]; mEgl.eglInitialize(mEglDisplay, version); EGLConfig[] configs = new EGLConfig[1]; int[] num_config = new int[1]; mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, num_config); mEglConfig = configs[0]; /* * Create an OpenGL ES context. This must be done only once, an * OpenGL context is a somewhat heavy object. */ mEglContext = mEgl.eglCreateContext(mEglDisplay, mEglConfig, EGL10.EGL_NO_CONTEXT, null); mEglSurface = null; } /* * Create and return an OpenGL surface */ public GL createSurface(SurfaceHolder holder) { /* * The window size has changed, so we need to create a new * surface. */ if (mEglSurface != null) { /* * Unbind and destroy the old EGL surface, if * there is one. */ mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT); mEgl.eglDestroySurface(mEglDisplay, mEglSurface); } /* * Create an EGL surface we can render into. */ mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, holder, null); /* * Before we can issue GL commands, we need to make sure * the context is current and bound to a surface. */ mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext); GL gl = mEglContext.getGL(); return gl; } /** * Display the current render surface. * @return false if the context has been lost. */ public boolean swap() { mEgl.eglSwapBuffers(mEglDisplay, mEglSurface); /* * Always check for EGL_CONTEXT_LOST, which means the context * and all associated data were lost (For instance because * the device went to sleep). We need to sleep until we * get a new surface. */ return mEgl.eglGetError() != EGL11.EGL_CONTEXT_LOST; } public void finish() { if (mEglSurface != null) { mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT); mEgl.eglDestroySurface(mEglDisplay, mEglSurface); mEglSurface = null; } if (mEglContext != null) { mEgl.eglDestroyContext(mEglDisplay, mEglContext); mEglContext = null; } if (mEglDisplay != null) { mEgl.eglTerminate(mEglDisplay); mEglDisplay = null; } } EGL10 mEgl; EGLDisplay mEglDisplay; EGLSurface mEglSurface; EGLConfig mEglConfig; EGLContext mEglContext;}

读卡器程序，Android程序开发，将读卡器插入设备端口，用卡片靠近，读出卡号上传服务器，读卡成功有声音提示。