写一个uvccamera单例让uvccamera可以在其它页面调用
时间: 2023-12-09 13:04:00 浏览: 40
好的,下面是一个基于Java的uvccamera单例示例:
```java
public class UvcCameraSingleton {
private static UvcCameraSingleton instance;
private UvcCamera camera;
private UvcCameraSingleton() {
// 初始化uvccamera
camera = new UvcCamera();
}
public static synchronized UvcCameraSingleton getInstance() {
if (instance == null) {
instance = new UvcCameraSingleton();
}
return instance;
}
public UvcCamera getCamera() {
return camera;
}
}
```
在其他页面中,可以这样调用:
```java
UvcCameraSingleton uvcCameraSingleton = UvcCameraSingleton.getInstance();
UvcCamera camera = uvcCameraSingleton.getCamera();
```
这样就可以获取到唯一的uvccamera实例并在其他页面中使用了。注意要在使用之前先初始化uvccamera。