增加初始化功能
This commit is contained in:
@@ -0,0 +1,751 @@
|
||||
package com.sw.inbound.utils;
|
||||
|
||||
import static android.content.Context.TELEPHONY_SERVICE;
|
||||
|
||||
import android.annotation.SuppressLint;
|
||||
import android.bluetooth.BluetoothAdapter;
|
||||
import android.content.ActivityNotFoundException;
|
||||
import android.content.Context;
|
||||
import android.content.Intent;
|
||||
import android.content.pm.PackageInfo;
|
||||
import android.content.pm.PackageManager;
|
||||
import android.net.ConnectivityManager;
|
||||
import android.net.NetworkInfo;
|
||||
import android.net.Uri;
|
||||
import android.net.wifi.WifiInfo;
|
||||
import android.net.wifi.WifiManager;
|
||||
import android.os.Build;
|
||||
import android.provider.Settings;
|
||||
import android.telephony.TelephonyManager;
|
||||
import android.text.TextUtils;
|
||||
import android.util.Log;
|
||||
|
||||
import androidx.core.content.FileProvider;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.io.LineNumberReader;
|
||||
import java.io.UnsupportedEncodingException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.math.BigDecimal;
|
||||
import java.net.NetworkInterface;
|
||||
import java.text.DecimalFormat;
|
||||
import java.text.SimpleDateFormat;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.UUID;
|
||||
|
||||
public class AppUtil {
|
||||
public static String getAppPackageName(Context context) {
|
||||
String packageName = "";
|
||||
try {
|
||||
PackageManager pm = context.getPackageManager();
|
||||
PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
|
||||
packageName = pi.packageName;
|
||||
if (AppUtil.isEmpty(packageName)) {
|
||||
return "";
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return packageName;
|
||||
}
|
||||
|
||||
public static String getAppVersionName(Context context) {
|
||||
String versionName = "";
|
||||
// int versioncode=1;
|
||||
try {
|
||||
PackageManager pm = context.getPackageManager();
|
||||
PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
|
||||
versionName = pi.versionName;
|
||||
// versioncode = pi.versionCode;表示更新了多少次
|
||||
if (versionName == null || versionName.length() <= 0) {
|
||||
return "";
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return versionName;
|
||||
}
|
||||
|
||||
|
||||
public static int getAppVersionCode(Context context) {
|
||||
int versioncode = 1;
|
||||
try {
|
||||
PackageManager pm = context.getPackageManager();
|
||||
PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
|
||||
versioncode = pi.versionCode;
|
||||
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return versioncode;
|
||||
}
|
||||
|
||||
//判断微信是否安装
|
||||
public static boolean isWeixinInstalled(Context context) {
|
||||
final PackageManager packageManager = context.getPackageManager();// 获取packagemanager
|
||||
List<PackageInfo> pinfo = packageManager.getInstalledPackages(0);// 获取所有已安装程序的包信息
|
||||
if (pinfo != null) {
|
||||
for (int i = 0; i < pinfo.size(); i++) {
|
||||
String pn = pinfo.get(i).packageName;
|
||||
if (pn.equals("com.tencent.mm")) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 打电话
|
||||
* <p>
|
||||
* Intent.ACTION_DIAL Intent.ACTION_CALL
|
||||
*
|
||||
* @param context
|
||||
* @param mobile
|
||||
*/
|
||||
public static void callUp(Context context, String mobile) {
|
||||
Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:"
|
||||
+ mobile));
|
||||
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
|
||||
context.startActivity(intent);
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取设备ID
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static String getDevId(Context context) {
|
||||
TelephonyManager TelephonyMgr = (TelephonyManager) context
|
||||
.getSystemService(Context.TELEPHONY_SERVICE);
|
||||
return TelephonyMgr.getDeviceId();
|
||||
}
|
||||
|
||||
/**
|
||||
* 姓名脱敏
|
||||
*
|
||||
* @param fullName
|
||||
* @return
|
||||
*/
|
||||
public static String desensitizedName(String fullName) {
|
||||
if (fullName == null || fullName.length() <= 1) {
|
||||
return fullName;
|
||||
}
|
||||
char[] nameArr = fullName.toCharArray();
|
||||
if (nameArr.length > 2) {
|
||||
for (int i = 1; i < nameArr.length - 1; i++) {
|
||||
nameArr[i] = '*';
|
||||
}
|
||||
} else {
|
||||
nameArr[1] = '*';
|
||||
}
|
||||
|
||||
return new String(nameArr);
|
||||
}
|
||||
|
||||
|
||||
public static String formatDateGetFull(String date) {
|
||||
if (isEmpty(date)) {
|
||||
return "";
|
||||
}
|
||||
Date d = new Date(Long.parseLong(date));
|
||||
SimpleDateFormat dateFormat1 = new SimpleDateFormat("yyyy-MM-dd HH:mm");
|
||||
return dateFormat1.format(d);
|
||||
}
|
||||
|
||||
public static String formatDateGetCurrentTime() {
|
||||
Date d = new Date(System.currentTimeMillis());
|
||||
SimpleDateFormat dateFormat1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//.SSS
|
||||
return dateFormat1.format(d);
|
||||
}
|
||||
|
||||
|
||||
public static String formatDateGetFull(long date) {
|
||||
if (date == 0) {
|
||||
return "";
|
||||
}
|
||||
Date d = new Date(date);
|
||||
SimpleDateFormat dateFormat1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
|
||||
return dateFormat1.format(d);
|
||||
}
|
||||
|
||||
public static String formatDateGetDay(long date) {
|
||||
if (date == 0) {
|
||||
return "";
|
||||
}
|
||||
Date d = new Date(date);
|
||||
SimpleDateFormat dateFormat1 = new SimpleDateFormat("yyyy-MM-dd");
|
||||
return dateFormat1.format(d);
|
||||
}
|
||||
|
||||
public static boolean isEmpty(String s) {
|
||||
if (TextUtils.isEmpty(s) || s.trim().equals("null")) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 格式化浮点型
|
||||
*
|
||||
* @param data
|
||||
* @return
|
||||
*/
|
||||
public static String formatDouble(double data) {
|
||||
return new DecimalFormat("0.00").format(data);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 格式化分钟
|
||||
*
|
||||
* @param minutes
|
||||
* @return
|
||||
*/
|
||||
public static String formatMinutes(int minutes) {
|
||||
int hour = minutes / 60;
|
||||
int minute = minutes % 60;
|
||||
if (hour > 0 && minute > 0) {
|
||||
return hour + "小时" + minute + "分钟";
|
||||
} else if (hour > 0) {
|
||||
return hour + "小时";
|
||||
} else {
|
||||
return minute + "分钟";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//com.fawan.news
|
||||
public static void goToMarket(Context context, String packageName) {
|
||||
Uri uri = Uri.parse("market://details?id=" + packageName);
|
||||
Intent goToMarket = new Intent(Intent.ACTION_VIEW, uri);
|
||||
try {
|
||||
context.startActivity(goToMarket);
|
||||
} catch (ActivityNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* true为存在，false为不存在
|
||||
*
|
||||
* @param context
|
||||
* @param packageName
|
||||
* @return
|
||||
*/
|
||||
public static boolean isInstallApp(Context context, String packageName) {
|
||||
try {
|
||||
context.getPackageManager().getApplicationInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES);
|
||||
return true;
|
||||
} catch (PackageManager.NameNotFoundException e) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 格式化float 保留两位小数
|
||||
*
|
||||
* @param data
|
||||
* @return
|
||||
*/
|
||||
public static float formatFloat2(float data) {
|
||||
// DecimalFormat decimalFormat = new DecimalFormat("0.00");//构造方法的字符格式这里如果小数不足2位,会以0补足.
|
||||
// return decimalFormat.format(data);//返回字符串
|
||||
|
||||
int scale = 1;//设置位数
|
||||
int roundingMode = 4;//表示四舍五入，可以选择其他舍值方式，例如去尾，等等.
|
||||
BigDecimal bd = new BigDecimal((double) data);
|
||||
bd = bd.setScale(scale, roundingMode);
|
||||
data = bd.floatValue();
|
||||
return data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Android 6.0 之前（不包括6.0）获取mac地址
|
||||
* 必须的权限 <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
|
||||
*
|
||||
* @param context * @return
|
||||
*/
|
||||
public static String getMacDefault(Context context) {
|
||||
String mac = "";
|
||||
if (context == null) {
|
||||
return mac;
|
||||
}
|
||||
WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
|
||||
WifiInfo info = null;
|
||||
try {
|
||||
info = wifi.getConnectionInfo();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
if (info == null) {
|
||||
return null;
|
||||
}
|
||||
mac = info.getMacAddress();
|
||||
if (!TextUtils.isEmpty(mac)) {
|
||||
mac = mac.toUpperCase(Locale.ENGLISH);
|
||||
}
|
||||
return mac;
|
||||
}
|
||||
|
||||
/**
|
||||
* Android 6.0-Android 7.0 获取mac地址
|
||||
*/
|
||||
public static String getMacAddress() {
|
||||
String macSerial = null;
|
||||
String str = "";
|
||||
|
||||
try {
|
||||
Process pp = Runtime.getRuntime().exec("cat/sys/class/net/wlan0/address");
|
||||
InputStreamReader ir = new InputStreamReader(pp.getInputStream());
|
||||
LineNumberReader input = new LineNumberReader(ir);
|
||||
|
||||
while (null != str) {
|
||||
str = input.readLine();
|
||||
if (str != null) {
|
||||
macSerial = str.trim();//去空格
|
||||
break;
|
||||
}
|
||||
}
|
||||
} catch (IOException ex) {
|
||||
// 赋予默认值
|
||||
ex.printStackTrace();
|
||||
}
|
||||
|
||||
return macSerial;
|
||||
}
|
||||
|
||||
/**
|
||||
* Android 7.0之后获取Mac地址
|
||||
* 遍历循环所有的网络接口，找到接口是 wlan0
|
||||
* 必须的权限 <uses-permission android:name="android.permission.INTERNET"></uses-permission>
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public static String getMacFromHardware() {
|
||||
try {
|
||||
ArrayList<NetworkInterface> all = Collections.list(NetworkInterface.getNetworkInterfaces());
|
||||
for (NetworkInterface nif : all) {
|
||||
if (!nif.getName().equals("wlan0"))
|
||||
continue;
|
||||
byte[] macBytes = nif.getHardwareAddress();
|
||||
if (macBytes == null) return "";
|
||||
StringBuilder res1 = new StringBuilder();
|
||||
for (Byte b : macBytes) {
|
||||
res1.append(String.format("%02X:", b));
|
||||
}
|
||||
if (!TextUtils.isEmpty(res1)) {
|
||||
res1.deleteCharAt(res1.length() - 1);
|
||||
}
|
||||
return res1.toString();
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取mac地址（适配所有Android版本）
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public static String getMac(Context context) {
|
||||
String mac = "";
|
||||
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
|
||||
mac = getMacDefault(context);
|
||||
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
|
||||
mac = getMacAddress();
|
||||
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
|
||||
mac = getMacFromHardware();
|
||||
}
|
||||
return mac;
|
||||
}
|
||||
|
||||
//把String转化为float
|
||||
public static double convertToFloat(String number, double defaultValue) {
|
||||
if (TextUtils.isEmpty(number)) {
|
||||
return defaultValue;
|
||||
}
|
||||
try {
|
||||
return Double.parseDouble(number);
|
||||
} catch (Exception e) {
|
||||
return defaultValue;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取AndroidId
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static String getAndroidId(Context context) {
|
||||
String androidId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
|
||||
return androidId;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取设备唯一 UDID
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
@SuppressLint("MissingPermission")
|
||||
public static String getUDID(Context context) {
|
||||
// String androidID = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
|
||||
// L.e("androidID===" + androidID);
|
||||
// return androidID;
|
||||
String androidID = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
|
||||
if (!androidID.equals("")) {
|
||||
try {
|
||||
if (!"9774d56d682e549c".equals(androidID)) {
|
||||
androidID = UUID.nameUUIDFromBytes(androidID.getBytes("utf8")).toString();
|
||||
} else {
|
||||
@SuppressLint("MissingPermission") final String deviceId = ((TelephonyManager) context.getSystemService(TELEPHONY_SERVICE)).getDeviceId();
|
||||
androidID = deviceId != null ? UUID.nameUUIDFromBytes(deviceId.getBytes("utf8")).toString() : UUID.randomUUID().toString();
|
||||
}
|
||||
} catch (UnsupportedEncodingException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
return androidID;
|
||||
}
|
||||
|
||||
//需要权限 android.permission.READ_PHONE_STATE
|
||||
TelephonyManager TelephonyMgr = (TelephonyManager) context.getSystemService(TELEPHONY_SERVICE);
|
||||
String szImei = TelephonyMgr.getDeviceId();
|
||||
if (!szImei.equals("")) {
|
||||
return szImei;
|
||||
}
|
||||
|
||||
//需要权限 android.permission.ACCESS_WIFI_STATE
|
||||
WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
|
||||
String m_szWLANMAC = wm.getConnectionInfo().getMacAddress();
|
||||
if (!m_szWLANMAC.equals("")) {
|
||||
return m_szWLANMAC;
|
||||
}
|
||||
|
||||
//需要权限 android.permission.BLUETOOTH
|
||||
BluetoothAdapter m_BluetoothAdapter = null;
|
||||
m_BluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
|
||||
String m_szBTMAC = m_BluetoothAdapter.getAddress();
|
||||
if (!m_szBTMAC.equals("")) {
|
||||
return m_szBTMAC;
|
||||
}
|
||||
return getUniquePsuedoID();
|
||||
}
|
||||
|
||||
//获得 Psuedo ID
|
||||
public static String getUniquePsuedoID() {
|
||||
String serial = null;
|
||||
String m_szDevIDShort = "35" +
|
||||
Build.BOARD.length() % 10 + Build.BRAND.length() % 10 +
|
||||
Build.CPU_ABI.length() % 10 + Build.DEVICE.length() % 10 +
|
||||
Build.DISPLAY.length() % 10 + Build.HOST.length() % 10 +
|
||||
Build.ID.length() % 10 + Build.MANUFACTURER.length() % 10 +
|
||||
Build.MODEL.length() % 10 + Build.PRODUCT.length() % 10 +
|
||||
Build.TAGS.length() % 10 + Build.TYPE.length() % 10 +
|
||||
Build.USER.length() % 10; //13 位
|
||||
try {
|
||||
serial = Build.class.getField("SERIAL").get(null).toString();
|
||||
//API>=9 使用serial号
|
||||
return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
|
||||
} catch (Exception exception) {
|
||||
//serial需要一个初始化,随意值
|
||||
serial = "serial";
|
||||
}
|
||||
|
||||
//使用硬件信息拼凑出来的15位号码
|
||||
return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
|
||||
}
|
||||
|
||||
public static String getCPUSerial() {
|
||||
String line = "";
|
||||
String TAG = "aaa";
|
||||
Log.e(TAG, " get_quck_Sn() ");
|
||||
Class<?> c = null;
|
||||
try {
|
||||
c = Class.forName("android.os.SystemProperties");
|
||||
|
||||
Method get = c.getMethod("get", String.class);
|
||||
line = (String) get.invoke(c, "ro.serialno");
|
||||
} catch (ClassNotFoundException | NoSuchMethodException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
Log.e(TAG, " get_quck_Sn() " + line);
|
||||
System.out.println("设备串号" + line);
|
||||
return line;
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断网络连接状态
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static boolean isNetworkConnected(Context context) {
|
||||
if (context != null) {
|
||||
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
||||
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
|
||||
if (mNetworkInfo != null) {
|
||||
return mNetworkInfo.isAvailable();
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断WiFi连接状态
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static boolean isWifiConnected(Context context) {
|
||||
if (context != null) {
|
||||
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
||||
NetworkInfo mWiFiNetworkInfo = mConnectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
|
||||
if (mWiFiNetworkInfo != null) {
|
||||
return mWiFiNetworkInfo.isAvailable();
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断移动网络状态
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static boolean isMobileConnected(Context context) {
|
||||
if (context != null) {
|
||||
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
||||
NetworkInfo mMobileNetworkInfo = mConnectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
|
||||
if (mMobileNetworkInfo != null) {
|
||||
return mMobileNetworkInfo.isAvailable();
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取网络连接类型
|
||||
*
|
||||
* @param context
|
||||
* @return
|
||||
*/
|
||||
public static int getConnectedType(Context context) {
|
||||
if (context != null) {
|
||||
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
||||
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
|
||||
if (mNetworkInfo != null && mNetworkInfo.isAvailable()) {
|
||||
return mNetworkInfo.getType();
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据字符的起始和结束索引提取子串
|
||||
*
|
||||
* @param input 原始字符串
|
||||
* @param startIndex 起始索引（包含，从0开始）
|
||||
* @param endIndex 结束索引（不包含）
|
||||
* @return 子串，若输入无效或索引越界则返回空字符串
|
||||
*/
|
||||
public static String getSubstringByIndices(String input, int startIndex, int endIndex) {
|
||||
if (input == null) {
|
||||
return "";
|
||||
}
|
||||
// 处理索引越界问题
|
||||
int safeStart = Math.max(startIndex, 0);
|
||||
int safeEnd = Math.min(endIndex, input.length());
|
||||
if (safeStart > safeEnd) {
|
||||
return "";
|
||||
}
|
||||
return input.substring(safeStart, safeEnd);
|
||||
}
|
||||
|
||||
public static String getSubstringByIndex(String input, int startIndex, int length) {
|
||||
if (input == null) {
|
||||
return "";
|
||||
}
|
||||
// 处理索引越界问题
|
||||
int safeStart = Math.max(startIndex, 0);
|
||||
int safeEnd = Math.min(startIndex + length, input.length());
|
||||
if (safeStart > safeEnd) {
|
||||
return "";
|
||||
}
|
||||
return input.substring(safeStart, safeEnd);
|
||||
}
|
||||
|
||||
/**
|
||||
* 十进制转十六进制
|
||||
*
|
||||
* @param decimal
|
||||
* @return
|
||||
*/
|
||||
public static String decimalToHexWithPadding(int decimal, int padding) {
|
||||
// 将十进制转换为十六进制，并转换为字符串
|
||||
String hex = Integer.toHexString(decimal);
|
||||
|
||||
// 确保字符串长度为至少4位，不足部分前面补0
|
||||
while (hex.length() < padding) {
|
||||
hex = "0" + hex;
|
||||
}
|
||||
|
||||
return hex.toUpperCase(); // 返回大写形式的十六进制字符串
|
||||
}
|
||||
|
||||
/**
|
||||
* 十进制转二进制,且返回的二进制为至少7位数
|
||||
*
|
||||
* @param decimal
|
||||
* @return
|
||||
*/
|
||||
public static String decimalToBinary(int decimal) {
|
||||
// 如果输入为0，直接返回"0"
|
||||
if (decimal == 0) {
|
||||
return "0";
|
||||
}
|
||||
|
||||
StringBuilder binary = new StringBuilder();
|
||||
|
||||
// 除2取余法，将余数加入二进制字符串
|
||||
while (decimal > 0) {
|
||||
int remainder = decimal % 2;
|
||||
binary.insert(0, remainder);
|
||||
decimal = decimal / 2;
|
||||
}
|
||||
int length = binary.length();
|
||||
if (length < 7) {
|
||||
int padding = 7 - length;
|
||||
for (int i = 0; i < padding; i++) {
|
||||
binary.insert(0, '0');
|
||||
}
|
||||
}
|
||||
return binary.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* 将二进制字符串转换为十六进制字符串，每8位转换为两位十六进制，不足两位前面补零
|
||||
*
|
||||
* @param binaryStr 输入的二进制字符串（仅包含0和1）
|
||||
* @return 转换后的十六进制字符串
|
||||
* @throws IllegalArgumentException 如果输入不是有效的二进制字符串
|
||||
*/
|
||||
public static String binaryToHex(String binaryStr) {
|
||||
// 校验输入合法性
|
||||
if (binaryStr == null || !binaryStr.matches("[01]+")) {
|
||||
throw new IllegalArgumentException("Invalid binary string");
|
||||
}
|
||||
|
||||
// 补前导零使长度成为8的倍数
|
||||
int length = binaryStr.length();
|
||||
int padding = (8 - (length % 8)) % 8; // 计算需要补零的数量
|
||||
StringBuilder paddedBinary = new StringBuilder();
|
||||
for (int i = 0; i < padding; i++) {
|
||||
paddedBinary.append('0');
|
||||
}
|
||||
paddedBinary.append(binaryStr);
|
||||
|
||||
// 每8位转换为两位十六进制
|
||||
StringBuilder hexStr = new StringBuilder();
|
||||
for (int i = 0; i < paddedBinary.length(); i += 8) {
|
||||
String byteStr = paddedBinary.substring(i, i + 8);
|
||||
int decimalValue = Integer.parseInt(byteStr, 2);
|
||||
hexStr.append(String.format("%02X", decimalValue & 0xFF));
|
||||
}
|
||||
|
||||
return hexStr.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* 数据校验 异或处理
|
||||
*/
|
||||
public static String getXor(String content) {
|
||||
int a = 0;
|
||||
for (int i = 0; i < content.length() / 2; i++) {
|
||||
a = a ^ Integer.parseInt(content.substring(i * 2, (i * 2) + 2), 16);
|
||||
}
|
||||
String result = Integer.toHexString(a).toUpperCase();
|
||||
if (result.length() == 1) {
|
||||
return "0" + result;
|
||||
} else {
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
public static double formatPersonInfo(String input, int startIndex, int length) {
|
||||
if (input == null) {
|
||||
return 0;
|
||||
}
|
||||
// 处理索引越界问题
|
||||
int safeStart = Math.max(startIndex, 0);
|
||||
int safeEnd = Math.min(startIndex + length, input.length());
|
||||
if (safeStart > safeEnd) {
|
||||
return 0;
|
||||
}
|
||||
String result = input.substring(safeStart, safeEnd);
|
||||
double num = Integer.parseInt(result, 16);
|
||||
return num;
|
||||
}
|
||||
|
||||
/**
|
||||
* 安装apk
|
||||
*
|
||||
* @param activity
|
||||
* @param apkFile
|
||||
*/
|
||||
public static void installApk(Context activity, File apkFile) {
|
||||
//文件有所有者概念，现在是属于当前进程的，需要把这个文件暴露给系统安装程序（其他进程）去安装
|
||||
//因此，可能会存在权限问题，需要做下面的设置
|
||||
//如果文件是sdcard上的，就不需要这个操作了
|
||||
try {
|
||||
apkFile.setExecutable(true, false);
|
||||
apkFile.setReadable(true, false);
|
||||
apkFile.setWritable(true, false);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
Intent intent = new Intent();
|
||||
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
|
||||
intent.setAction(Intent.ACTION_VIEW);
|
||||
Uri uri;
|
||||
|
||||
//TODO N FileProvider
|
||||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
|
||||
uri = FileProvider.getUriForFile(activity, activity.getPackageName() + ".fileProvider", apkFile);
|
||||
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
|
||||
// intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
|
||||
} else {
|
||||
uri = Uri.fromFile(apkFile);
|
||||
}
|
||||
|
||||
intent.setDataAndType(uri, "application/vnd.android.package-archive");
|
||||
activity.startActivity(intent);
|
||||
|
||||
//TODO 0 INSTALL PERMISSION
|
||||
//在AndroidManifest中加入权限即可
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user