Android自定义随机抽奖例子_Android抽奖转盘实例

一个模拟抽奖的效果、用户设定若干个选项、添加之后、就可以通过程序

来帮助随机选择其中一项出来、这个类似超市里面那种指针转盘抽奖

run之后是一个动态效果图、初始快速转动、最后慢慢停在某个选项上

初始化代码

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView)findViewById(R.id.tv);
tv1 = (TextView)findViewById(R.id.tv1);
tv2 = (TextView)findViewById(R.id.tv2);
tv3 = (TextView)findViewById(R.id.tv3);
tv4 = (TextView)findViewById(R.id.tv4);
tv5 = (TextView)findViewById(R.id.tv5);
tv6 = (TextView)findViewById(R.id.tv6);
tv7 = (TextView)findViewById(R.id.tv7);
tv8 = (TextView)findViewById(R.id.tv8);
tv9 = (TextView)findViewById(R.id.tv9);

tv.setText("dwtedx个人博客");
tv1.setText(string1);
tv2.setText(string2);
tv3.setText(string3);
tv4.setText(string4);
tv5.setText(string5);
tv6.setText(string6);
tv7.setText(string7);
tv8.setText(string8);
tv9.setText("Run");
 iv = (ImageView)findViewById(R.id.iv);
	
WindowManager wm=(WindowManager)getSystemService(Context.WINDOW_SERVICE);
//手机屏幕的宽度
width=getWindowManager().getDefaultDisplay().getWidth();
//手机屏幕的高度
height=getWindowManager().getDefaultDisplay().getHeight()+90;
	
wheel = BitmapFactory.decodeResource(getResources(), R.drawable.wheel);
wheel1 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel1);
wheel2 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel2);
wheel3 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel3);
wheel4 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel4);
wheel5 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel5);
wheel6 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel6);
wheel7 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel7);
wheel8 = BitmapFactory.decodeResource(getResources(), R.drawable.wheel8);
}

实现抽奖的代码

Bundle bundle = new Bundle();
bundle = msg.getData();
int i = bundle.getInt("msg");
tv9.setText("RUN");
switch (i%8) {
case 0:
	tv.setText("哎,"+string8);
	break;
case 1:
	tv.setText("恭喜,"+string1+"同学，请吃饭咯！");
	break;
case 2:
	tv.setText("恭喜,"+string2+"同学，请吃饭咯！");
	break;
case 3:
	tv.setText("恭喜,"+string3+"同学，请吃饭咯！");
	break;
case 4:
	tv.setText("恭喜,"+string4+"同学，请吃饭咯！");
	break;
case 5:
	tv.setText("恭喜,"+string5+"同学，请吃饭咯！");
	break;
case 6:
	tv.setText("恭喜,"+string6+"同学，请吃饭咯！");
	break;
case 7:
	tv.setText("恭喜,"+string7+"同学，请吃饭咯！");
	break;
	
default:
	break;
}

源代码下载链接链接: http://dwtedx.com/download.html?bdkey=s/1gd3nsT9 密码: l4ik