Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) Stichting Akvo (Akvo Foundation)
 *
 * This file is part of Akvo Caddisfly.
 *
 * Akvo Caddisfly is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Akvo Caddisfly is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Akvo Caddisfly. If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Context;

import android.content.pm.PackageManager;
import android.hardware.Camera;

import android.support.annotation.NonNull;

public class Main {
    /**
     * Checks if the device has a camera flash
     *
     * @param context the context
     * @return true if camera flash is available
     */
    public static boolean hasCameraFlash(@NonNull Context context, @NonNull Camera camera) {
        boolean hasFlash = context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
        try {
            Camera.Parameters p;

            if (hasFlash) {
                p = camera.getParameters();
                if (p.getSupportedFlashModes() == null) {
                    hasFlash = false;
                } else {
                    if (p.getSupportedFlashModes().size() == 1 && p.getSupportedFlashModes().get(0).equals("off")) {
                        hasFlash = false;
                    }
                }
            }
        } finally {
            camera.release();
        }
        return hasFlash;
    }
}