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내가하고있는 것에 뭔가 이상한 것을 볼 수는 없지만, 미리보기를 시작하고 초기화하기 위해 카메라에서 휴대폰을 가져올 수 없습니다.안드로이드 카메라 미리보기가 작동하지 않습니다. (HTC MyTouch 3G Slide Android 2.2)
W/CameraSwitch(2020): open main camera
W/CameraSwitch(2020): no file - can't switch camera
E/QualcommCameraHardware(68): native_access_parm: error (No such file or directory): fd 14, type 1, length 32, status 0
E/mm-camera 7x-vfe(68): Received VFE start ACK!!! This is a user preview start.
E/CameraService(68): registerBuffers failed with status -38
W/dalvikvm(2020): threadid=1: thread exiting with uncaught exception (group=0x40028a00)
W/InputConnectionWrapper.ICC( 176): Timed out waiting on IInputContextCallback
아이디어 :
package com.ct;
import java.io.IOException;
import java.util.List;
import android.app.Activity;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.Size;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class TestActivity extends Activity implements SurfaceHolder.Callback {
SurfaceHolder cameraPreviewHolder;
Camera camera;
SurfaceView cameraPreview;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
cameraPreview = (SurfaceView) findViewById(R.id.SurfaceCamera);
cameraPreviewHolder = cameraPreview.getHolder();
cameraPreviewHolder.addCallback(this);
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
camera = Camera.open();
camera.unlock();
Parameters p = camera.getParameters();
List<Size> sizes = p.getSupportedPreviewSizes();
int bestFit=0;
int difference = Integer.MAX_VALUE;
for(int i=0; i<sizes.size(); i++){
Size s = sizes.get(i);
int dif = (width-s.width)+(height-s.height);
if(s.width<=width && s.height<=height && dif>0 && dif < difference){
bestFit = i;
difference = dif;
}
}
Size s = sizes.get(bestFit);
p.setPreviewSize(s.width, s.height);
p.setPictureFormat(PixelFormat.JPEG);
camera.setParameters(p);
try {
camera.setPreviewDisplay(cameraPreviewHolder);
camera.startPreview();
} catch (IOException e) {
}
}
@Override
public void surfaceCreated(SurfaceHolder arg0) {
// TODO Auto-generated method stub
}
@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
// TODO Auto-generated method stub
}
}
내 로그 캣은 다음을 보여줍니다 나는 아래와 같은 문제를 전시 매우 간단한 응용 프로그램을 만들었습니다? 어제 안드로이드 2.2로 업데이트되었습니다. 내 카메라 API를 깨뜨리지 않았 으면 좋겠어요.