Sets the camera's picture size to the maximum available size, as determined by number of pixels (width*height). - Android Camera

Android examples for Camera:Camera Size

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Description

Sets the camera's picture size to the maximum available size, as determined by number of pixels (width*height).

Demo Code


//package com.java2s;
import java.lang.reflect.Method;

import java.util.List;

import android.hardware.Camera;

public class Main {
    /** Sets the camera's picture size to the maximum available size, as determined by number of pixels (width*height).
     * Returns a Camera.Size object containing the updated picture size.
     */// w ww .ja  v  a2  s.co  m
    public static Camera.Size setLargestCameraSize(Camera camera) {
        Camera.Parameters params = camera.getParameters();
        List<Camera.Size> pictureSizes = pictureSizesForCameraParameters(params);
        if (pictureSizes != null && pictureSizes.size() > 0) {
            long bestPixels = -1;
            Camera.Size bestSize = null;
            for (Camera.Size size : pictureSizes) {
                long pixels = size.width * size.height;
                if (pixels > bestPixels || bestPixels < 0) {
                    bestPixels = pixels;
                    bestSize = size;
                }
            }
            if (bestSize != null) {
                params.setPictureSize(bestSize.width, bestSize.height);
                camera.setParameters(params);
            }
        }

        return params.getPictureSize();
    }

    /** Returns a list of available camera picture sizes, or null if the Android API to get the sizes is not available.
     */
    public static List<Camera.Size> pictureSizesForCameraParameters(
            Camera.Parameters params) {
        try {
            Method m = params.getClass().getMethod(
                    "getSupportedPictureSizes");
            return (List<Camera.Size>) m.invoke(params);
        } catch (Exception ex) {
            return null;
        }
    }
}

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