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 setFocusMode(Camera mCamera, Context item, int type) { Camera.Parameters params = mCamera.getParameters(); List<String> FocusModes = params.getSupportedFocusModes(); switch (type) { case 0: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO); else Toast.makeText(item, "Auto Mode not supported", Toast.LENGTH_SHORT).show(); break; case 1: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); else Toast.makeText(item, "Continuous Mode not supported", Toast.LENGTH_SHORT).show(); break; case 2: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_EDOF)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_EDOF); else Toast.makeText(item, "EDOF Mode not supported", Toast.LENGTH_SHORT).show(); break; case 3: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_FIXED)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_FIXED); else Toast.makeText(item, "Fixed Mode not supported", Toast.LENGTH_SHORT).show(); break; case 4: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_INFINITY)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY); else Toast.makeText(item, "Infinity Mode not supported", Toast.LENGTH_SHORT).show(); break; case 5: if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_MACRO)) params.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO); else Toast.makeText(item, "Macro Mode not supported", Toast.LENGTH_SHORT).show(); break; } mCamera.setParameters(params); } }