Example usage for android.hardware Camera getNumberOfCameras

Introduction

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

Prototype

public native static int getNumberOfCameras();

Source Link

Document

Returns the number of physical cameras available on this device.

Usage

From source file:Main.java

public static int getCameraNumbers() {
    return Camera.getNumberOfCameras();
}

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);
        }//from  w ww  .  j av  a  2 s .  c  om
    }

    return null;
}

From source file:Main.java

public static boolean isCurrentCameraFrontFacing() {
    int mNumberOfCameras = Camera.getNumberOfCameras();
    boolean returnValue = false;
    if (mNumberOfCameras > 1)
        returnValue = true;/*w w w .j a v a 2 s .c  om*/
    return returnValue;
}

From source file:Main.java

public static int getFrontCameraId() throws Exception {
    int numberOfCameras = Camera.getNumberOfCameras();
    Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            return i;
        }//from  w  ww  . j a v a2  s  .  c  o  m
    }

    return 0;
}

From source file:Main.java

public static boolean hasFewCamera() {
    return Camera.getNumberOfCameras() > 1 && hasFrontCamera();
}

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 ww  .  j av a2  s. co m
        }
    }
    return -1;
}

From source file:Main.java

public static int getFrontCameraId() {
    Camera.CameraInfo ci = new Camera.CameraInfo();
    for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
        Camera.getCameraInfo(i, ci);//from  ww  w. j a va 2 s  .c o m
        if (ci.facing == Camera.CameraInfo.CAMERA_FACING_FRONT)
            return i;
    }
    return -1; // No front-facing camera found
}

From source file:Main.java

public static int getCameraByDirection(int direction) {
    int numCameras = Camera.getNumberOfCameras();
    CameraInfo info = new CameraInfo();
    for (int camid = 0; camid < numCameras; camid++) {
        Camera.getCameraInfo(camid, info);
        if (info.facing == direction) {
            return camid;
        }/*www  .ja va  2 s.  co m*/
    }
    return -1;
}

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  .j  av a  2  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

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);// ww w  .j  a v a  2s.com
        if (info.facing == type) {
            cameraId = i;
            break;
        }
    }
    return cameraId;
}