public class SimpleDeviceUtils {public enum SystemType {/*** 小米手机（MIUI系统）*/SYS_MIUI,/*** 华为手机（EMUI系统）*/SYS_EMUI,/*** 魅族手机，FLYME系统*/SYS_FLYME,/*** 其他系统*/SYS_OTHER}private static final String KEY_MIUI_VERSION_NAME = "ro.miui.ui.version.name";private static final String KEY_MIUI_VERSION_CODE = "ro.miui.ui.version.code";private static final String KEY_MIUI_INTERNAL_STORAGE = "ro.miui.internal.storage";private static final String KEY_EMUI_API_LEVEL = "ro.build.hw_emui_api_level";private static final String KEY_EMUI_VERSION = "ro.build.version.emui";private static final String KEY_EMUI_CONFIG_HW_SYS_VERSION = "ro.confg.hw_systemversion";/*** 8.0之后有些系统信息获取不到，没有在各种版本手机上逐一测试*/public static SystemType getSystemType() {try {Properties prop = new Properties();prop.load(new FileInputStream(new File(Environment.getRootDirectory(), "build.prop")));if (Build.MANUFACTURER.toLowerCase().equals("xiaomi")//官方提供的判断是否为小米手机（而非MIUI系统）的方法|| prop.getProperty(KEY_MIUI_VERSION_NAME, null) != null//QMUI提供的判断是否是MIUI的方法|| prop.getProperty(KEY_MIUI_VERSION_CODE, null) != null//下面两个是网上补充的方法，感觉没必要的|| prop.getProperty(KEY_MIUI_INTERNAL_STORAGE, null) != null) {return SystemType.SYS_MIUI;} else if (isEMUI()//华为|| prop.getProperty(KEY_EMUI_API_LEVEL, null) != null|| prop.getProperty(KEY_EMUI_VERSION, null) != null|| prop.getProperty(KEY_EMUI_CONFIG_HW_SYS_VERSION, null) != null) {return SystemType.SYS_EMUI;} else if (isMeizu()//魅族推送SDK中提供的判断是否是魅族的方法|| DeviceHelper.isMeizu()) {//QMUI提供的判断是否是魅族的方法return SystemType.SYS_FLYME;}} catch (IOException e) {e.printStackTrace();}return SystemType.SYS_OTHER;}@SuppressLint("PrivateApi")private static boolean isEMUI() {Class<?>[] clsArray = new Class<?>[]{String.class};Object[] objArray = new Object[]{"ro.build.version.emui"};try {Class<?> SystemPropertiesClass = Class.forName("android.os.SystemProperties");Method get = SystemPropertiesClass.getDeclaredMethod("get", clsArray);String version = (String) get.invoke(SystemPropertiesClass, objArray);Log.i("bqt", "EMUI version is:" + version);return !TextUtils.isEmpty(version);} catch (Exception e) {e.printStackTrace();}return false;}/*** 判断是否为魅族设备*/private static boolean isMeizu() {String model = SystemProperties.get("ro.meizu.product.model");return (!TextUtils.isEmpty(model)) || "meizu".equalsIgnoreCase(Build.BRAND) || "22c4185e".equalsIgnoreCase(Build.BRAND);}
}

//判断系统厂商，里面的内容基本都来自QMUI库
public class DeviceHelper {private final static String KEY_MIUI_VERSION_NAME = "ro.miui.ui.version.name";private static final String KEY_FLYME_VERSION_NAME = "ro.build.display.id";private final static String FLYME = "flyme";private final static String MEIZUBOARD[] = {"m9", "M9", "mx", "MX"};private static String sMiuiVersionName;private static String sFlymeVersionName;static {Properties properties = new Properties();if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {// android 8.0，读取 /system/build.prop 会报 permission deniedFileInputStream fileInputStream = null;try {fileInputStream = new FileInputStream(new File(Environment.getRootDirectory(), "build.prop"));properties.load(fileInputStream);} catch (Exception e) {e.printStackTrace();} finally {if (fileInputStream != null) {try {fileInputStream.close();} catch (IOException e) {e.printStackTrace();}}}}try {Class<?> clzSystemProperties = Class.forName("android.os.SystemProperties");Method getMethod = clzSystemProperties.getDeclaredMethod("get", String.class);sMiuiVersionName = getLowerCaseName(properties, getMethod, KEY_MIUI_VERSION_NAME);sFlymeVersionName = getLowerCaseName(properties, getMethod, KEY_FLYME_VERSION_NAME);} catch (Exception e) {e.printStackTrace();}}private static String getLowerCaseName(Properties p, Method get, String key) {String name = p.getProperty(key);if (name == null) {try {name = (String) get.invoke(null, key);} catch (Exception e) {e.printStackTrace();}}if (name != null) name = name.toLowerCase();return name;}private static boolean sIsTabletChecked = false;private static boolean sIsTabletValue = false;/*** 判断是否为平板设备*/public static boolean isTablet(Context context) {if (sIsTabletChecked) {return sIsTabletValue;} else {sIsTabletChecked = true;sIsTabletValue = (context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >=Configuration.SCREENLAYOUT_SIZE_LARGE;return sIsTabletValue;}}/*** 判断是否是flyme系统*/public static boolean isFlyme() {return !TextUtils.isEmpty(sFlymeVersionName) && sFlymeVersionName.contains(FLYME);}/*** 判断是否是MIUI系统*/public static boolean isMIUI() {return !TextUtils.isEmpty(sMiuiVersionName);}public static boolean isMIUIV5() {return "v5".equals(sMiuiVersionName);}public static boolean isMIUIV6() {return "v6".equals(sMiuiVersionName);}public static boolean isMIUIV7() {return "v7".equals(sMiuiVersionName);}public static boolean isMIUIV8() {return "v8".equals(sMiuiVersionName);}public static boolean isMIUIV9() {return "v9".equals(sMiuiVersionName);}public static boolean isFlymeVersionHigher5_2_4() {//查不到默认高于5.2.4boolean isHigher = true;if (sFlymeVersionName != null && !sFlymeVersionName.equals("")) {Pattern pattern = Pattern.compile("(\\d+\\.){2}\\d");Matcher matcher = pattern.matcher(sFlymeVersionName);if (matcher.find()) {String versionString = matcher.group();if (versionString != null && !versionString.equals("")) {String[] version = versionString.split("\\.");if (version.length == 3) {if (Integer.valueOf(version[0]) < 5) {isHigher = false;} else if (Integer.valueOf(version[0]) > 5) {isHigher = true;} else {if (Integer.valueOf(version[1]) < 2) {isHigher = false;} else if (Integer.valueOf(version[1]) > 2) {isHigher = true;} else {if (Integer.valueOf(version[2]) < 4) {isHigher = false;} else if (Integer.valueOf(version[2]) >= 5) {isHigher = true;}}}}}}}return isMeizu() && isHigher;}/*** 判断是否为魅族*/public static boolean isMeizu() {return isSpecialBoardPhone(MEIZUBOARD) || isFlyme();}/*** 判断是否为小米，详见https://dev.mi.com/doc/?p=254*/public static boolean isXiaomi() {return Build.MANUFACTURER.toLowerCase().equals("xiaomi");}/*** 是否是指定型号的手机*/private static boolean isSpecialBoardPhone(String[] boards) {String board = android.os.Build.BOARD;if (board != null) {for (String b : boards) {if (board.equals(b)) {return true;}}}return false;}
}