Java tutorial
//package com.java2s; /* * Copyright (C) 2008 ZXing authors * * 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.content.Context; import android.hardware.Camera; import android.widget.Toast; import java.util.List; public class Main { public static void setFlashMode(Camera mCamera, Context item, int type) { Camera.Parameters params = mCamera.getParameters(); List<String> FlashModes = params.getSupportedFlashModes(); switch (type) { case 0: if (FlashModes.contains(Camera.Parameters.FLASH_MODE_AUTO)) params.setFlashMode(Camera.Parameters.FLASH_MODE_AUTO); else Toast.makeText(item, "Auto Mode not supported", Toast.LENGTH_SHORT).show(); break; case 1: if (FlashModes.contains(Camera.Parameters.FLASH_MODE_OFF)) params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF); else Toast.makeText(item, "Off Mode not supported", Toast.LENGTH_SHORT).show(); break; case 2: if (FlashModes.contains(Camera.Parameters.FLASH_MODE_ON)) params.setFlashMode(Camera.Parameters.FLASH_MODE_ON); else Toast.makeText(item, "On Mode not supported", Toast.LENGTH_SHORT).show(); break; case 3: if (FlashModes.contains(Camera.Parameters.FLASH_MODE_RED_EYE)) params.setFlashMode(Camera.Parameters.FLASH_MODE_RED_EYE); else Toast.makeText(item, "Red Eye Mode not supported", Toast.LENGTH_SHORT).show(); break; case 4: if (FlashModes.contains(Camera.Parameters.FLASH_MODE_TORCH)) params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH); else Toast.makeText(item, "Torch Mode not supported", Toast.LENGTH_SHORT).show(); break; } mCamera.setParameters(params); } }