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surfaceView = (SurfaceView) findViewById(R.id.surfaceView); SurfaceHolder holder = surfaceView.getHolder(); holder.addCallback(this); }

public class CameraActivity extends Activity implements SurfaceHolder.Callback { private Camera camera; private SurfaceView surfaceView; apk4f 2021

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_camera); surfaceView = (SurfaceView) findViewById(R

@Override public void surfaceCreated(SurfaceHolder holder) { try { camera = Camera.open(); camera.setDisplayOrientation(90); camera.setPreviewDisplay(holder); camera.startPreview(); } catch (Exception e) { e.printStackTrace(); } } surfaceView = (SurfaceView) findViewById(R.id.surfaceView)