Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.annotation.TargetApi;

import android.hardware.Camera;

import android.os.Build;

public class Main {
    /**
     * @param position Physical position of the camera i.e Camera.CameraInfo.CAMERA_FACING_FRONT
     *                 or Camera.CameraInfo.CAMERA_FACING_BACK.
     * @return the default camera id
     */
    @TargetApi(Build.VERSION_CODES.GINGERBREAD)
    private static int getDefaultCameraId(int position) {
        // Find the total number of cameras available
        int mNumberOfCameras = Camera.getNumberOfCameras();

        // Find the ID of the back-facing ("default") camera
        Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
        for (int i = 0; i < mNumberOfCameras; ++i) {
            Camera.getCameraInfo(i, cameraInfo);
            if (cameraInfo.facing == position)
                return i;
        }

        return -1;
    }
}