Camera/app/src/main/java/com/simplemobiletools/camera/Utils.java

package com.simplemobiletools.camera;

import android.content.Context;
import android.hardware.Camera;
import android.widget.Toast;

import java.util.List;

public class Utils {
    public static Camera.CameraInfo getCameraInfo(int cameraId) {
        final Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
        Camera.getCameraInfo(cameraId, info);
        return info;
    }

    public static void showToast(Context context, int resId) {
        Toast.makeText(context, context.getResources().getString(resId), Toast.LENGTH_SHORT).show();
    }

    public static boolean hasFlash(Camera camera) {
        if (camera == null) {
            return false;
        }

        final Camera.Parameters parameters = camera.getParameters();

        if (parameters.getFlashMode() == null) {
            return false;
        }

        final List<String> supportedFlashModes = parameters.getSupportedFlashModes();
        if (supportedFlashModes == null || supportedFlashModes.isEmpty() ||
                supportedFlashModes.size() == 1 && supportedFlashModes.get(0).equals(Camera.Parameters.FLASH_MODE_OFF)) {
            return false;
        }

        return true;
    }
}