Example usage for android.hardware Camera setParameters

Introduction

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

Prototype

public void setParameters(Parameters params) 

Source Link

Document

Changes the settings for this Camera service.

Usage

From source file:Main.java

public static void open(Context context) {
    Camera cam = Camera.open();
    Camera.Parameters p = cam.getParameters();
    p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
    cam.setParameters(p);
    cam.startPreview();/*w  w  w. j a v  a 2 s .  c o  m*/

}

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From source file:Main.java

public static void setResolution(Camera camera, Camera.Size resolution) {
    Camera.Parameters parameters = camera.getParameters();
    parameters.setPreviewSize(resolution.width, resolution.height);
    camera.setParameters(parameters);
}

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From source file:Main.java

public static void setCameraFocusMode(String focusMode, Camera camera) {
    Camera.Parameters parameters = camera.getParameters();
    List<String> sfm = parameters.getSupportedFocusModes();
    if (sfm.contains(focusMode)) {
        parameters.setFocusMode(focusMode);
    }/*from  ww w.ja v a2 s . co  m*/
    camera.setParameters(parameters);
}

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From source file:Main.java

public static void turnOffFlash(Context context, Camera camera, int currentCameraId) {
    if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        Parameters params = camera.getParameters();
        params.setFlashMode(Parameters.FLASH_MODE_OFF);
        camera.setParameters(params);
    }//  www  . j av a2  s  .c  o  m
}

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From source file:Main.java

public static void turnOnFlash(Context context, Camera camera, int currentCameraId) {
    if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        Parameters params = camera.getParameters();
        params.setFlashMode(Parameters.FLASH_MODE_TORCH);
        camera.setParameters(params);
    }/*from  ww  w.j  a v a 2s  .  c om*/
}

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From source file:Main.java

/** Attempts to set the camera's flash mode. Returns true if successful, false if the Android API doesn't support setting flash modes.
 *//*from   w ww.j a va  2 s . c  o m*/
public static boolean setFlashMode(Camera camera, String mode) {
    Camera.Parameters params = camera.getParameters();
    try {
        Method flashModeMethod = params.getClass().getMethod("setFlashMode", String.class);
        flashModeMethod.invoke(params, mode);
        camera.setParameters(params);
        return true;
    } catch (Exception ignored) {
        return false;
    }
}

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From source file:Main.java

/** Updates the Camera object's preview size to the nearest match for the given width and height.
 * Returns the preview size whether it was updated or not.
 *///from   w w w  .ja v a 2 s.co  m
public static Camera.Size setNearestCameraPreviewSize(Camera camera, int width, int height) {
    Camera.Parameters params = camera.getParameters();
    Camera.Size size = bestCameraSizeForWidthAndHeight(params, width, height);
    if (size != null) {
        params.setPreviewSize(size.width, size.height);
        camera.setParameters(params);
    }
    return params.getPreviewSize();
}

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From source file:Main.java

public static boolean closeFlightLight(Camera camera) {
    if (null != camera) {
        Parameters parameters = camera.getParameters();
        List<String> list = parameters.getSupportedFlashModes();
        for (String string : list) {
            if (Parameters.FLASH_MODE_OFF.equals(string)) {
                parameters.setFlashMode(string);
                camera.setParameters(parameters);
                camera.stopPreview();/*from   w w w  .  java2s  .c om*/
                camera.release();
                camera = null;
                return true;
            }
        }
    }
    return false;
}

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From source file:Main.java

public static Camera openFlightLight() {
    try {/*from w  ww  .  j  a  v a  2s .c  o  m*/
        Camera camera = Camera.open();
        if (null != camera) {
            Parameters parameters = camera.getParameters();
            List<String> list = parameters.getSupportedFlashModes();
            for (String string : list) {
                if (Parameters.FLASH_MODE_TORCH.equals(string)) {
                    parameters.setFlashMode(string);
                    camera.setParameters(parameters);
                    camera.startPreview();
                    return camera;
                }
            }
        }
    } catch (Exception e) {
    }
    return null;
}

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From source file:Main.java

/** Attempts to set the camera's zoom ratio as close as possible to the given value.
 * Like the Camera.Parameters.getZoomRatios method, values are in 1/100s so 100 is unzoomed.
 * Returns the actual ratio set, which will be 100 if the camera doesn't support zoom.
 *///from www  .j ava  2  s.  c  o  m
public static int setCameraZoomRatio(Camera camera, int ratio) {
    if (!sdkSupportsCameraZoom())
        return DEFAULT_ZOOM_RATIO;
    try {
        Camera.Parameters params = camera.getParameters();
        Method getZoomRatios = params.getClass().getMethod("getZoomRatios");
        @SuppressWarnings("unchecked")
        List<Integer> zoomRatios = (List<Integer>) getZoomRatios.invoke(params);
        int index = zoomIndexForTargetRatio(zoomRatios, ratio);
        Method setZoom = params.getClass().getMethod("setZoom", int.class);
        setZoom.invoke(params, index);
        camera.setParameters(params);
        return zoomRatios.get(index);
    } catch (Exception ex) {
        return DEFAULT_ZOOM_RATIO;
    }
}

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