安卓局域网视频聊天

imageview 根据手势实现缩放平移旋转操作 选择图片和打开相机 保存图片  LinearLayout  使用ViewDragHelper根据手势实现拖动后回到原处

android 的 背景音乐 是 实现方法 ，游戏里面 可以用此方法来实现背景音乐(android' s background music is implementation, the game which you can use this method to achieve the background music)

A NULL object Source Code for Andriod.

一个实现钢琴功能的简单小安卓程序，里面可以学到播放声音，以及按键的动起来(The Andrews program a simple piano function, which you can learn to play a sound, as well as key move)

安卓系统二维码扫描

android客户端仿QQ源代码，包括Client、Server和SQL执行语句（在SQl server中执行就可以），主要实现了一对一、一对多聊天(android client imitation QQ source code, including the Client, Server, and SQL statement is executed (SQl server), the main achievement of the one-to-one, one-to-many chat)

Android 带清除功能的输入框控件ClearEditText 源码下载

简单的基本功能，实测可行。 核心代码：package com.sharpandroid.music.activity;import java.io.IOException;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.ImageButton;import android.widget.SeekBar;import android.widget.TextView;import com.sharpandroid.music.R;import com.sharpandroid.music.StreamingMediaPlayer;public class MediaPlayer extends Activity { private Button streamButton; private ImageButton playButton; private boolean isPlaying; private TextView playTime; private StreamingMediaPlayer audioStreamer; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); initControls(); } private void initControls() { playTime=(TextView) findViewById(R.id.playTime); streamButton = (Button) findViewById(R.id.button_stream); streamButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { startStreamingAudio(); }}); playButton = (ImageButton) findViewById(R.id.button_play); playButton.setEnabled(false); playButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { if (audioStreamer.getMediaPlayer().isPlaying()) { audioStreamer.getMediaPlayer().pause(); playButton.setImageResource(R.drawable.button_play); } else { audioStreamer.getMediaPlayer().start(); audioStreamer.startPlayProgressUpdater(); playButton.setImageResource(R.drawable.button_pause); } isPlaying = !isPlaying; }}); } private void startStreamingAudio() { try { final SeekBar progressBar = (SeekBar) findViewById(R.id.progress_bar); if ( audioStreamer != null) { audioStreamer.interrupt(); } audioStreamer = new StreamingMediaPlayer(this, playButton, streamButton, progressBar,playTime); audioStreamer.startStreaming("http://192.168.64.1/xa.mp3",5208, 216); streamButton.setEnabled(false); } catch (IOException e) { Log.e(getClass().getName(), "读取音乐出错！", e); } }}

Android系统使用Zxing库生成二维码，扫描二维码(the generation and scanning of the two-dimensional code )

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