我正在使用Macbook上的Android Studio按照官方文档创建一个简单的相机应用程序。然而,当我尝试调用camera.setPreviewDisplay(SurfaceHolder)
时,我收到以下错误:
Error:(29, 16) error: cannot find symbol method setPreviewDisplay(SurfaceHolder)
另外,我的CameraPreview类如下所示:
package com.opencv.camerapreview;
import android.content.Context;
import android.graphics.Camera;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback{
private SurfaceHolder surfaceHolder;
private Camera mCamera;
public CameraPreview(Context context, Camera camera) {
super(context);
mCamera=camera;
this.surfaceHolder= getHolder();
this.surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
mCamera.setPreviewDisplay(holder);
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
}
看起来这是Android Studio的一些链接问题。有人能解释为什么会发生这种情况并提供解决方案吗?谢谢。