package com.github.lazylibrary.util; /** * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com) * * 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.annotation.TargetApi; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.content.Context; import android.content.Intent; import android.media.AudioManager; import android.os.Build; import android.provider.Settings; import android.view.Window; import android.view.WindowManager; /** * 手机状态工具类 主要包括网络、蓝牙、屏幕亮度、飞行模式、音量等 * * @author zhenguo */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) public class DeviceStatusUtils { /** * Don't let anyone instantiate this class. */ private DeviceStatusUtils() { throw new Error("Do not need instantiate!"); } /** * 获取系统屏幕亮度模式的状态，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @return System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC：自动；System. * SCREEN_BRIGHTNESS_MODE_AUTOMATIC * ：手动；默认：System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC */ public static int getScreenBrightnessModeState(Context context) { return Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC); } /** * 判断系统屏幕亮度模式是否是自动，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @return true：自动；false：手动；默认：true */ public static boolean isScreenBrightnessModeAuto(Context context) { return getScreenBrightnessModeState(context) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC ? true : false; } /** * 设置系统屏幕亮度模式，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @param auto * 自动 * @return 是否设置成功 */ public static boolean setScreenBrightnessMode(Context context, boolean auto) { boolean result = true; if (isScreenBrightnessModeAuto(context) != auto) { result = Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, auto ? Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC : Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); } return result; } /** * 获取系统亮度，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @return 亮度，范围是0-255；默认255 */ public static int getScreenBrightness(Context context) { return Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 255); } /** * 设置系统亮度（此方法只是更改了系统的亮度属性，并不能看到效果。要想看到效果可以使用setWindowBrightness()方法设置窗口的亮度）， * 需要WRITE_SETTINGS权限 * * @param context * 上下文 * @param screenBrightness * 亮度，范围是0-255 * @return 设置是否成功 */ public static boolean setScreenBrightness(Context context, int screenBrightness) { int brightness = screenBrightness; if (screenBrightness < 1) { brightness = 1; } else if (screenBrightness > 255) { brightness = screenBrightness % 255; if (brightness == 0) { brightness = 255; } } boolean result = Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, brightness); return result; } /** * 设置给定Activity的窗口的亮度（可以看到效果，但系统的亮度属性不会改变） * * @param activity * 要通过此Activity来设置窗口的亮度 * @param screenBrightness * 亮度，范围是0-255 */ public static void setWindowBrightness(Activity activity, float screenBrightness) { float brightness = screenBrightness; if (screenBrightness < 1) { brightness = 1; } else if (screenBrightness > 255) { brightness = screenBrightness % 255; if (brightness == 0) { brightness = 255; } } Window window = activity.getWindow(); WindowManager.LayoutParams localLayoutParams = window.getAttributes(); localLayoutParams.screenBrightness = (float) brightness / 255; window.setAttributes(localLayoutParams); } /** * 设置系统亮度并实时可以看到效果，需要WRITE_SETTINGS权限 * * @param activity * 要通过此Activity来设置窗口的亮度 * @param screenBrightness * 亮度，范围是0-255 * @return 设置是否成功 */ public static boolean setScreenBrightnessAndApply(Activity activity, int screenBrightness) { boolean result = true; result = setScreenBrightness(activity, screenBrightness); if (result) { setWindowBrightness(activity, screenBrightness); } return result; } /** * 获取屏幕休眠时间，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @return 屏幕休眠时间，单位毫秒，默认30000 */ public static int getScreenDormantTime(Context context) { return Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT, 30000); } /** * 设置屏幕休眠时间，需要WRITE_SETTINGS权限 * * @param context * 上下文 * @param millis 时间 * @return 设置是否成功 */ public static boolean setScreenDormantTime(Context context, int millis) { return Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT, millis); } /** * 获取飞行模式的状态，需要WRITE_APN_SETTINGS权限 * * @param context * 上下文 * @return 1：打开；0：关闭；默认：关闭 */ @SuppressWarnings("deprecation") public static int getAirplaneModeState(Context context) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { return Settings.System.getInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0); } else { return Settings.Global.getInt(context.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 0); } } /** * 判断飞行模式是否打开，需要WRITE_APN_SETTINGS权限 * * @param context * 上下文 * @return true：打开；false：关闭；默认关闭 */ public static boolean isAirplaneModeOpen(Context context) { return getAirplaneModeState(context) == 1 ? true : false; } /** * 设置飞行模式的状态，需要WRITE_APN_SETTINGS权限 * * @param context * 上下文 * @param enable * 飞行模式的状态 * @return 设置是否成功 */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) @SuppressWarnings("deprecation") public static boolean setAirplaneMode(Context context, boolean enable) { boolean result = true; // 如果飞行模式当前的状态与要设置的状态不一样 if (isAirplaneModeOpen(context) != enable) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { result = Settings.System.putInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, enable ? 1 : 0); } else { result = Settings.Global.putInt(context.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, enable ? 1 : 0); } // 发送飞行模式已经改变广播 context.sendBroadcast(new Intent( Intent.ACTION_AIRPLANE_MODE_CHANGED)); } return result; } /** * 获取蓝牙的状态 * * @return 取值为BluetoothAdapter的四个静态字段：STATE_OFF, STATE_TURNING_OFF, * STATE_ON, STATE_TURNING_ON * @throws Exception * 没有找到蓝牙设备 */ public static int getBluetoothState() throws Exception { BluetoothAdapter bluetoothAdapter = BluetoothAdapter .getDefaultAdapter(); if (bluetoothAdapter == null) { throw new Exception("bluetooth device not found!"); } else { return bluetoothAdapter.getState(); } } /** * 判断蓝牙是否打开 * * @return true：已经打开或者正在打开；false：已经关闭或者正在关闭 * 没有找到蓝牙设备 */ public static boolean isBluetoothOpen() { int bluetoothStateCode = 0; try { bluetoothStateCode = getBluetoothState(); return bluetoothStateCode == BluetoothAdapter.STATE_ON || bluetoothStateCode == BluetoothAdapter.STATE_TURNING_ON ? true : false; } catch (Exception e) { e.printStackTrace(); } return false; } /** * 设置蓝牙状态 * * @param enable * 打开 * 没有找到蓝牙设备 */ public static void setBluetooth(boolean enable) { // 如果当前蓝牙的状态与要设置的状态不一样 if (isBluetoothOpen() != enable) { // 如果是要打开就打开，否则关闭 if (enable) { BluetoothAdapter.getDefaultAdapter().enable(); } else { BluetoothAdapter.getDefaultAdapter().disable(); } } } /** * 获取铃声音量，需要WRITE_APN_SETTINGS权限 * * @param context * 上下文 * @return 铃声音量，取值范围为0-7；默认为0 */ public static int getRingVolume(Context context) { return ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE)).getStreamVolume(AudioManager.STREAM_RING); } /** * 获取媒体音量 * * @param context * 上下文 * @param ringVloume 音量 */ public static void setRingVolume(Context context, int ringVloume) { if (ringVloume < 0) { ringVloume = 0; } else if (ringVloume > 7) { ringVloume = ringVloume % 7; if (ringVloume == 0) { ringVloume = 7; } } ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE)).setStreamVolume(AudioManager.STREAM_RING, ringVloume, AudioManager.FLAG_PLAY_SOUND); } // /** // * 找不到设备异常 // */ // public static class DeviceNotFoundException extends Exception{ // private static final long serialVersionUID = 1L; // // public DeviceNotFoundException(){} // // public DeviceNotFoundException(String message){ // super(message); // } // } }