Set the camera to always display in portrait mode - Android Camera

Android examples for Camera:Camera Attribute

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  4. Camera Attribute

Description

Set the camera to always display in portrait mode

Demo Code


//package com.java2s;

import android.app.Activity;

import android.hardware.Camera;

import android.view.Surface;

public class Main {
    /**//from  w  ww  . j  av  a  2 s .c o  m
     * Set the camera to always display in portrait mode
     * @param activity
     * @param cameraId
     * @param camera
     */
    public static void setCameraDisplayOrientation(Activity activity,
            int cameraId, android.hardware.Camera camera) {
        android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
        android.hardware.Camera.getCameraInfo(cameraId, info);
        int rotation = activity.getWindowManager().getDefaultDisplay()
                .getRotation();
        int degrees = 0;
        switch (rotation) {
        case Surface.ROTATION_0:
            degrees = 0;
            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_BACK) {
            result = (info.orientation + degrees) % 360;
            result = (360 - result) % 360; // compensate the mirror
        } else { // back-facing
            result = (info.orientation - degrees + 360) % 360;
        }
        camera.setDisplayOrientation(result);
    }
}

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