6
我遇到問題。初始化相機進行預覽並將其他應用程序引入焦點後,返回到我的應用程序:預覽顯示爲黑色。如果我繼續拍攝照片,它會拍攝照片,我正常指向相機的位置。OnResume Camera Reinit黑色屏幕
我在OnResume()重寫上做錯了什麼?相對代碼如下:
public void ReleaseCamera()
{
if (myCamera != null)
{
myCamera.Release();
myCamera = null;
}
}
protected override void OnPause()
{
base.OnPause();
if (myButtonState == ButtonState.CameraActive)
ReleaseCamera();
}
protected override void OnResume()
{
base.OnResume();
if (myButtonState == ButtonState.CameraActive)
InitializeCamera();
}
private void InitializeCamera()
{
SurfaceView mySurfaceView = FindViewById<SurfaceView>(Resource.Id.surfaceView1);
myCamera = Android.Hardware.Camera.Open(cameraNumber);
Android.Hardware.Camera.Parameters p = myCamera.GetParameters();
myCamera.SetDisplayOrientation(90); // Portrait
myCamera.SetPreviewDisplay(mySurfaceView.Holder);
myCamera.StartPreview();
}
感謝您的幫助。 :)
謝謝你,使用SurfaceHolder回調工作完美。 :) – Ecnelis 2012-08-08 08:47:52