Example usage for android.hardware Camera open

Introduction

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

Prototype

public static Camera open(int cameraId)

Source Link

Document

Creates a new Camera object to access a particular hardware camera.

Usage

From source file:Main.java

public static Camera openCamera(int index) {
    try {/* w  ww  . j  av  a2  s  .c o  m*/
        return Camera.open(index);
    } catch (RuntimeException e) {
        return null;
    }
}

From source file:Main.java

public static Camera getCamera(Integer id) {
    if (id == null)
        return null;
    return Camera.open(id);
}

From source file:Main.java

private static Camera openBackCamera() {
    return Camera.open(getCameraId(CameraInfo.CAMERA_FACING_BACK));
}

From source file:Main.java

private static Camera openFrontCamera() {
    return Camera.open(getCameraId(CameraInfo.CAMERA_FACING_FRONT));
}

From source file:Main.java

private static void obtainCameraRatios() {
    for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
        Camera camera = Camera.open(i);
        Camera.CameraInfo info = new Camera.CameraInfo();
        Camera.getCameraInfo(i, info);//from w w  w  .  ja  v  a 2 s. c o  m
        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            frontCameraRatio = camera.getParameters().getPreferredPreviewSizeForVideo();
        } else {
            backCameraRatio = camera.getParameters().getPreferredPreviewSizeForVideo();
        }
        camera.release();
    }
}

From source file:Main.java

/** A safe way to get an instance of the Camera object. */
public static Camera getCameraInstance() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
        return Camera.open(0); // This is the line the error occurs
    } else {/*from  w  w  w  . ja v a 2s .  c om*/
        return Camera.open();
    }
}

From source file:Main.java

private static Camera getFrontCamera() {
    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 Camera.open(i);
        }/*  w w w . ja va2s.  c  om*/
    }

    return null;
}

From source file:Main.java

/**
 * @return front camera// ww w. j av  a2  s . co  m
 */
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

/**
 * A safe way to get an instance of the Camera object.
 *//*from  w  w w.  ja v a2s .  c o m*/
public static Camera getCameraInstance(Context context, int CameraId) {
    Camera c = null;
    if (!checkCameraHardware(context)) {
        return c; // device has no camera
    }

    try {
        c = Camera.open(CameraId); // attempt to get a Camera instance
        Log.d(TAG, "open camera succeed");
    } catch (Exception e) {
        // Camera is not available (in use or does not exist)
        Log.d(TAG, "open camera failed");
    }
    return c; // returns null if camera is unavailable
}

From source file:Main.java

public static Camera getCameraInstance(int id) {
    if (id == 0)//from w  w w  .j a  v  a 2s  . co  m
        return Camera.open(HDMIRXID);
    else
        return Camera.open(USBCAMERAID);
}