http://www.cnblogs.com/jk1001/archive/2010/08/05/1793216.html 手工编译android

http://www.moandroid.com/?p=712 OpenGL创建流程

http://blog.163.com/my_appy@126/blog/static/118323971200953061819702/ 贝塞尔曲线

http://hi.baidu.com/lsjsuper/blog/item/4ca2c2773584ef08b051b9bd.html

void lookAt(float eyex, float eyey, float eyez,
float orgx, float orgy, float orgz,
float  upx, float  upy, float  upz)
{
//Calculate eye direction vector
float vpnx = orgx - eyex;
float vpny = orgy - eyey;
float vpnz = orgz - eyez;

//Normalize it
float len = sqrt(vpnx * vpnx + vpny * vpny + vpnz * vpnz);
vpnx /= len;
vpny /= len;
vpnz /= len;

//Calculate right vector
float rvx = vpny * upz - vpnz * upy;
float rvy = vpnz * upx - vpnx * upz;
float rvz = vpnx * upy - vpny * upx;

//Calculate new up vector
float nux = rvy * vpnz - rvz * vpny;
float nuy = rvz * vpnx - rvx * vpnz;
float nuz = rvx * vpny - rvy * vpnx;

//Put it all in a pretty Matrix
float mat[16] = {
rvx, nux, -vpnx, 0,
rvy, nuy, -vpny, 0,
rvz, nuz, -vpnz, 0,
0, 0, 0, 1
};

//Apply the matrix and translate to eyepoint
glMultMatrixf(mat);
glTranslatef(-eyex, -eyey, -eyez);
}
void display (void) {
        glClear

public class Main extends Activity {
	int[] imgIds = { // 图片资源的id数组
	R.drawable.w1, R.drawable.w2, R.drawable.w3, R.drawable.w4 };
	int setImgID = -1; // 被选中的图片在id数组中的索引
	BaseAdapter ba = new BaseAdapter() { // 自定义的BaseAdapter
		public View getView(int position, View convertView, ViewGroup parent) {
			ImageView iv = new ImageView(Main.this); // 新建一个ImageView
			iv.setBackgroundResource(imgIds[position]); // 设置ImageView的背景图片
			iv.setScaleType(ImageView.ScaleType.CENTER_CROP);
			iv.setLayoutParams(new Gallery.LayoutParams(120, 120)); // 设置相框中元素的大小
			return iv;
		}

		public long getItemId(int arg0) {
			return 0;
		}

		public Object getItem(int arg0) {
			return null;
		}

		public int getCount() {
			return imgIds.length;
		}
	};

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		findViewById(R.id.clearWall).setOnClickListener(
				new View.OnClickListener() {
					public void onClick(View v) { // 重写onClick方法
						try {
							Main.this.clearWallpaper(); // 还原手机壁纸
						} catch (IOException e) { // 捕获并打印异常
							e.printStackTrace();
						}
					}
				});
		findViewById(R.id.getWall).setOnClickListener(
				new View.OnClickListener() { // 为Button添加OnClickListener监听器
					public void onClick(View v) {
						ImageView iv = (ImageView) findViewById(R.id.currWall);
						iv.setBackgroundDrawable(getWallpaper()); // 设置ImageView显示的内容为当前墙纸
					}
				});
		Gallery g = (Gallery) findViewById(R.id.gallery); // 获得Gallery对象
		g.setAdapter(ba); // 设置Gallery的BaseAdapter
		g.setSpacing(5); // 设置每个元素之间的间距
		g.setOnItemClickListener(new OnItemClickListener() { // 为Gallery添加OnItemClickListener监听器
					public void onItemClick(AdapterView<?> parent, View v,
							int position, long id) {
						setImgID = position; // 记录被选中的图片索引
					}
				});
		findViewById(R.id.setWall).setOnClickListener(
				new View.OnClickListener() { // 为Button添加OnClickListener监听器
					public void onClick(View v) { // 重写onClick方法
						Resources r = Main.this.getResources(); // 获得Resources对象
						InputStream in = r.openRawResource(imgIds[setImgID]);// 获得InputStream对象
						try {
							setWallpaper(in); // 设置墙纸
						} catch (IOException e) {
							e.printStackTrace();
						}
					}
				});
	}
}

 权限配置：

 <uses-permission android:name="android.permission.SET_WALLPAPER" />

public class Main extends Activity {
	Vibrator vibrator; // 声明一个Vibrator对象

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE); // 创建Vibrator对象
		((CompoundButton) findViewById(R.id.tb1))
				.setOnCheckedChangeListener(new OnCheckedChangeListener() { // 设置OnCheckedChangeListener监听器
					public void onCheckedChanged(CompoundButton buttonView,
							boolean isChecked) { // 重写onCheckedChanged方法
						if (isChecked) { // 判断ToggleButton的选中状态
							vibrator.vibrate(
									new long[] { 1000, 50, 50, 100, 50 }, -1); // 启动振动
							TextView tv1 = (TextView) findViewById(R.id.tv1); // 获得TextView
							tv1.setText(R.string.vibrateOn); // 设置TextView控件内容
						} else {
							vibrator.cancel(); // 关闭振动
							TextView tv1 = (TextView) findViewById(R.id.tv1); // 获得TextView
							tv1.setText(R.string.vibrateOff); // 设置TextView控件内容
						}
					}
				});
		((CompoundButton) findViewById(R.id.tb2))
				.setOnCheckedChangeListener(new OnCheckedChangeListener() { // 设置OnCheckedChangeListener监听器
					@Override
					public void onCheckedChanged(CompoundButton buttonView,
							boolean isChecked) {
						if (isChecked) { // 判断ToggleButton的选中状态
							vibrator.vibrate(2500); // 启动振动
							((TextView) findViewById(R.id.tv2))
									.setText(R.string.vibrateOn);
						} else {
							vibrator.cancel(); // 关闭振动
							((TextView) findViewById(R.id.tv2))
									.setText(R.string.vibrateOff);
						}
					}
				});
	}
}

 <uses-permission android:name="android.permission.VIBRATE" />