get Current Camera Orientation - Android android.hardware

Android examples for android.hardware:Camera Orientation

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Description

get Current Camera Orientation

Demo Code

import android.app.Activity;
import android.hardware.Camera;
import android.hardware.Camera;
import android.util.Log;
import android.view.Surface;

public class Main{

    public static int getCurrentCameraOrientation(Activity activity,
            int cameraId, Camera camera) {
        CameraInfo info = new android.hardware.Camera.CameraInfo();
        Camera.getCameraInfo(cameraId, info);

        int rotation = activity.getWindowManager().getDefaultDisplay()
                .getRotation();/*from   ww  w  .jav  a 2  s .c o  m*/

        int degrees = 0;

        switch (rotation) {
        case Surface.ROTATION_0:
            degrees = 0;
            break;
        case Surface.ROTATION_90:
            degrees = 90;
            break;
        case Surface.ROTATION_180:
            degrees = 180;
            break;
        case Surface.ROTATION_270:
            degrees = 270;
            break;
        }

        int result;

        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            result = (info.orientation + degrees) % 360;
            result = (360 - result) % 360; // compensate the mirror
        } else { // back-facing
            result = (info.orientation - degrees + 360) % 360;
        }

        //Log.i("CameraUtilities: The current orientation: ", String.valueOf(result));

        return result;
    }

}

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