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 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;/*ww w.j  a va  2 s  .c  om*/
        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

private static void obtainCameraRatios() {
    for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
        Camera camera = Camera.open(i);//from  w  w w.  ja  va2 s . c o m
        Camera.CameraInfo info = new Camera.CameraInfo();
        Camera.getCameraInfo(i, info);
        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            frontCameraRatio = camera.getParameters().getPreferredPreviewSizeForVideo();
        } else {
            backCameraRatio = camera.getParameters().getPreferredPreviewSizeForVideo();
        }
        camera.release();
    }
}

From source file:Main.java

public static int getCameraId(int cameraFacing) {
    int count = Camera.getNumberOfCameras();

    if (count > 0) {
        Camera.CameraInfo info = new Camera.CameraInfo();
        for (int i = 0; i < count; i++) {
            Camera.getCameraInfo(i, info);
            if (info.facing == cameraFacing) {
                return i;
            }/*from w w  w .  ja va  2  s . com*/
        }
    }
    return -1;
}

From source file:Main.java

private static int findCamera(int type) {
    int cameraId = -1;
    // Search for the front facing camera
    int numberOfCameras = Camera.getNumberOfCameras();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.CameraInfo info = new Camera.CameraInfo();
        Camera.getCameraInfo(i, info);
        if (info.facing == type) {
            cameraId = i;//from w  w w.j  a v a2 s .  c o  m
            break;
        }
    }
    return cameraId;
}

From source file:Main.java

public static boolean hasCamera() {
    final int cameraCount = Camera.getNumberOfCameras();
    Camera.CameraInfo info = new Camera.CameraInfo();
    for (int i = 0; i < cameraCount; i++) {
        Camera.getCameraInfo(i, info);
        if (info.facing == CAMERA_FACING_BACK) {
            return true;
        }/*from  ww w.  ja va  2s. c  om*/
    }
    return false;
}

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;// w  w w  .j av a  2 s .  c  om
        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

/**
 * @return front camera// w w w.j  a va  2 s  .  c om
 */
public static Camera getFrontCamera() {
    CameraInfo cameraInfo = new CameraInfo();
    int cameraCount = Camera.getNumberOfCameras();
    for (int i = 0; i < cameraCount; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            cameraId = i;
            return Camera.open(i);
        }
    }
    return null;
}

From source file:Main.java

public static int determineDisplayOrientation(Activity activity, int defaultCameraId) {
    if (VERSION.SDK_INT <= 8) {
        return 0;
    }/*from   w w w.j a  v a2  s  . com*/
    CameraInfo cameraInfo = new CameraInfo();
    Camera.getCameraInfo(defaultCameraId, cameraInfo);
    int degrees = getRotationAngle(activity);
    if (cameraInfo.facing == 1) {
        return (360 - ((cameraInfo.orientation + degrees) % 360)) % 360;
    }
    return ((cameraInfo.orientation - degrees) + 360) % 360;
}

From source file:Main.java

public static int HasBackCamera() {
    int numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CAMERA_FACING_BACK) {
            return i;
        }/*from www . j  a v  a  2 s . c o m*/
    }
    return 2;
}

From source file:Main.java

public static boolean hasFrontCamera() {
    for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
        Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
        Camera.getCameraInfo(i, cameraInfo);

        if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            return true;
        }//from   w w  w.j a  v a  2 s  . c  o m
    }

    return false;
}