Example usage for android.hardware Camera getCameraInfo

Introduction

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

Prototype

public static void getCameraInfo(int cameraId, CameraInfo cameraInfo) 

Source Link

Document

Returns the information about a particular camera.

Usage

From source file:Main.java

public static boolean isCameraFacingBack(int cameraID) {
    CameraInfo cameraInfo = new CameraInfo();
    Camera.getCameraInfo(cameraID, cameraInfo);
    return (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK);
}

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From source file:Main.java

public static int getDisplayOrientation(int degrees, int cameraId) {
    // See android.hardware.Camera.setDisplayOrientation for
    // documentation.
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int result;/*from   w w w  .  j  a  v a  2s . co  m*/
    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;
    }
    return result;
}

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From source file:Main.java

public static int getOrientationHint(Activity activity, int cameraId) {
    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. ja va 2s  .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 = 0;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        result = (info.orientation - degrees + 360) % 360;
    } else { // back-facing camera
        result = (info.orientation + degrees) % 360;
    }
    return result;
}

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From source file:Main.java

public static int getCameraDisplayOrientation(Activity activity, int cameraId) {
    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;/*  w ww  .  ja  v  a 2  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;
    }
    return 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 ww .j  a va2  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 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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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  www. j a va2 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 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) {
        try {
            camera.setDisplayOrientation(camRotationDegree);
        } catch (RuntimeException e) {
            // java.lang.RuntimeException: set display orientation failed
            e.printStackTrace();
        }
    }
    return camRotationDegree;
}

---

From source file:Main.java

public static int getDefaultCameraID() {
    int camerasCnt = getAvailableCamerasCount();
    int defaultCameraID = 0;
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < camerasCnt; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            defaultCameraID = i;//from   w  w w  .j a  va2s  .co  m
        }
    }
    return defaultCameraID;
}

---

From source file:Main.java

/**
 * reference http://www.jianshu.com/p/1513134733d0
 *///from   w ww  .java  2s  .com
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);
}

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From source file:Main.java

public static Camera.CameraInfo getCameraInfo(int id) {
    if (id >= 0 && id < getCameraNumber()) {
        Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
        Camera.getCameraInfo(id, cameraInfo);
        return cameraInfo;
    }//  w  w w . j  a v a2  s .  c  o m
    return null;
}

---

From source file:Main.java

/**
 * Set Camera orientation to correct one
 * @param context app context/* w  w  w.j  av a  2s  .  co  m*/
 * @param camera camera to set orientation
 */
public static void setCameraDisplayOrientation(Context context, Camera camera) {
    if (camera == null) {
        return;
    }

    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(getCameraInformationId(), info);

    WindowManager winManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    int rotation = winManager.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);
}

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