<uses-permission android:name="android.permission.CAMERA" /> <uses-feature android:name="android.hardware.camera" /> CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE); String cameraId = cameraManager.getCameraIdList()[0]; cameraManager.openCamera(cameraId, cameraStateCallback, null); CameraDevice.StateCallback cameraStateCallback = new CameraDevice.StateCallback() { @Override public void onOpened(@NonNull CameraDevice camera) { } @Override public void onDisconnected(@NonNull CameraDevice camera) { } @Override public void onError(@NonNull CameraDevice camera, int error) { } }; camera.createCaptureSession(Arrays.asList(surface), captureSessionStateCallback, null); CameraCaptureSession.StateCallback captureSessionStateCallback = new CameraCaptureSession.StateCallback() { @Override public void onConfigured(@NonNull CameraCaptureSession session) { } @Override public void onConfigureFailed(@NonNull CameraCaptureSession session) { } }; CaptureRequest.Builder captureRequestBuilder = camera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); captureRequestBuilder.addTarget(surface); CaptureRequest captureRequest = captureRequestBuilder.build(); session.setRepeatingRequest(captureRequest, null, null); camera.close(); Intent intent = new Intent(MainActivity.this, CameraActivity.class); startActivity(intent);