Is camera Supports Torch - Android android.hardware

Android examples for android.hardware:Camera Feature

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Description

Is camera Supports Torch

Demo Code

import android.graphics.Bitmap;
import android.hardware.Camera;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.List;

public class Main{

    /** Returns true if the camera supports torch mode (flash always on). */
    public static boolean cameraSupportsTorch(Camera camera) {
        return getFlashModes(camera).contains("torch");
    }//from  w w w  . ja v  a2 s  .  c  o m

    public static List<String> getFlashModes(Camera camera) {
        Camera.Parameters params = camera.getParameters();
        try {
            Method flashModesMethod = params.getClass().getMethod(
                    "getSupportedFlashModes");
            List<String> result = (List<String>) flashModesMethod
                    .invoke(params);
            if (result != null)
                return result;
        } catch (Exception ignored) {
        }
        return Collections.singletonList("off");
    }

}

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