Returns true if the camera is in torch mode (flash always on) - Android Camera

Android examples for Camera:Camera Flash

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Description

Returns true if the camera is in torch mode (flash always on)

Demo Code

/* /*from  ww w  .  j a  v  a 2s . com*/
 * Copyright 2012 Google Inc. All Rights Reserved.
 *
 * 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.
 */
//package com.java2s;
import java.lang.reflect.Method;

import android.hardware.Camera;

public class Main {
    /** Returns true if the camera is in torch mode (flash always on) */
    public static boolean cameraInTorchMode(Camera camera) {
        return "torch".equals(getCurrentFlashMode(camera));
    }

    public static String getCurrentFlashMode(Camera camera) {
        Camera.Parameters params = camera.getParameters();
        try {
            Method getModeMethod = params.getClass().getMethod(
                    "getFlashMode");
            return (String) getModeMethod.invoke(camera);
        } catch (Exception ex) {
            return null;
        }
    }
}

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