实现一个弧形（或者圆形）布局

含服务器端源码(php)、android客户端源码、数据库脚本等

实现打开图片功能

简单网络视频播放

【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 动态加载数据

Android用Intent实现Camera 拍照功能

PullToRefreshDemo下拉刷新，上拉加载

Android Intent开发实例 核心代码：package com.amaker.ch06.app;import com.amaker.ch06.app.R;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;/** * @author 郭宏志 * 发送Email */public class MainActivity extends Activity { // 声明视图组件 private EditText toEditText,subjectEditText,contentEditText; private Button sendBtn; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 实例化视图组件 toEditText = (EditText)findViewById(R.id.toEditText01); subjectEditText = (EditText)findViewById(R.id.subjectEditText01); contentEditText = (EditText)findViewById(R.id.contentEditText01); sendBtn = (Button)findViewById(R.id.sendButton01); // 为按钮添加单击监听器 sendBtn.setOnClickListener(listener); } // 发送按钮单击监听器 private OnClickListener listener = new OnClickListener() { @Override public void onClick(View v) { // 获得输入信息 String to = toEditText.getText().toString(); String subject = subjectEditText.getText().toString(); String content = contentEditText.getText().toString(); // 创建Intent Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); // 设置内容类型 emailIntent.setType("plain/text"); // 设置额外信息 emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{to}); emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, subject); emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, content); startActivity(Intent.createChooser(emailIntent, "发送邮件...")); } };}

stm32f103c8t6 做主控 自制无刷电机(bldc )控制板，支持有感和无感两种模式。可通过硬件切换。内部包含原理图和源代码及照片，原创资料。

android 下拉刷新  上拉更多，解决了ViewPager中嵌套ListView冲突的问题