Example usage for android.hardware Camera setDisplayOrientation

Introduction

In this page you can find the example usage for android.hardware Camera setDisplayOrientation.

Prototype

public native final void setDisplayOrientation(int degrees);

Source Link

Document

Set the clockwise rotation of preview display in degrees.

Usage

From source file:Main.java

/** A safe way to get an instance of the Camera object. */
public static Camera getCameraInstance() {
    Camera c = null;
    try {//from  w w w.  j  av a 2 s.c o m
        c = Camera.open(); // attempt to get a Camera instance
        c.setDisplayOrientation(90);
    } catch (Exception e) {
        // Camera is not available (in use or does not exist)
    }
    return c; // returns null if camera is unavailable
}

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From source file:Main.java

/**
 * set the camera display orientation based on the activity's rotation
 * /*from w  w w.ja  va  2s .  co  m*/
 * @param activity
 * @param cameraId
 * @param camera
 */
@SuppressLint("NewApi")
public static void setCameraDisplayOrientation(Activity activity, int cameraId,
        android.hardware.Camera camera) {
    final int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    final int rotDeg = getCameraRotationForSurfaceRotation(rotation, camera, cameraId);
    if (rotDeg != 0) {
        camera.setDisplayOrientation(rotDeg);
    }
}

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From source file:Main.java

/**
 * Return camera instance// w  w  w.java2s. c o  m
 */
public static Camera getCameraInstance(int displayOrientation) {
    Camera cam = null;
    try {
        cam = Camera.open();

        // More efficient way to find available cameras. Nexus 7 needs this.
        if (cam == null) {
            int availableCameras = Camera.getNumberOfCameras();
            for (int i = 0; i < availableCameras; i++) {
                cam = Camera.open(i);
                if (cam != null)
                    break;
            }
        }

        cam.setDisplayOrientation(displayOrientation);
        Log.d(TAG, "Getting Camera: " + cam.toString());
    } catch (Exception e) {
        Log.e(TAG, "Camera is not available (in use or does not exist)");
        Log.e(TAG, e.toString());
    }
    return cam;
}

---

From source file:Main.java

public static void setCameraDisplayOrientation(Context mContext, int cameraId, Camera camera) {
    CameraInfo info = new CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int rotation = ((Activity) mContext).getWindowManager().getDefaultDisplay().getRotation();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from   w  w w.  j  a  v a2 s .  c o m
        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;
    }
    camera.setDisplayOrientation(result);
}

---

From source file:Main.java

public static int setCameraDisplayOrientation(int cameraId, Camera camera, int displayRotation) {
    CameraInfo info = new CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int degrees = 0;
    switch (displayRotation) {
    case Surface.ROTATION_0:
        degrees = 0;/*from  w  w  w  .  ja va2  s .  com*/
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int camRotationDegree = 0;
    if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
        camRotationDegree = (info.orientation + degrees) % 360;
        camRotationDegree = (360 - camRotationDegree) % 360; // compensate the mirror
    } else {
        camRotationDegree = (info.orientation - degrees + 360) % 360;
    }

    if (camera != null) {
        camera.setDisplayOrientation(camRotationDegree);
    }
    return camRotationDegree;
}

---

From source file:Main.java

public static void setCameraDisplayOrientation(int rotation, int cameraId, Camera camera) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    // int rotation = activity.getWindowManager ().getDefaultDisplay
    // ().getRotation ();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from www .j ava  2s . co  m
        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;
    }
    camera.setDisplayOrientation(result);
}

---

From source file:Main.java

/**
 * reference http://www.jianshu.com/p/1513134733d0
 *///  w ww  .j  a  va  2 s.  c om
public static void setCameraDisplayOrientation(Activity activity, int cameraId, Camera camera) {
    Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    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;
    }
    camera.setDisplayOrientation(result);
}

---

From source file:Main.java

public static int setCameraDisplayOrientation(Activity activity, int cameraId, Camera camera) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from   w  ww  . j a  v a2 s  .  c  o  m
        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.d(TAG, "camera display orientation: " + result);
    camera.setDisplayOrientation(result);

    return result;
}

---

From source file:Main.java

public static void setCameraDisplayOrientation(Activity activity, int cameraId,
        android.hardware.Camera camera) {
    android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
    android.hardware.Camera.getCameraInfo(cameraId, info);
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;/*from   w  ww. j  a  v  a2s.  c  o m*/
        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;
    }
    camera.setDisplayOrientation(result);
}

---

From source file:Main.java

public static int setCameraDisplayOrientation(int cameraId, android.hardware.Camera camera,
        int displayRotation) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int degrees = 0;
    switch (displayRotation) {
    case Surface.ROTATION_0:
        degrees = 0;/*from  w w w .  ja  v a2 s  . com*/
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int camRotationDegree = 0;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        camRotationDegree = (info.orientation + degrees) % 360;
        camRotationDegree = (360 - camRotationDegree) % 360; // compensate the mirror
    } else {
        camRotationDegree = (info.orientation - degrees + 360) % 360;
    }

    if (camera != null) {
        camera.setDisplayOrientation(camRotationDegree);
    }
    return camRotationDegree;
}

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