LicenseManager.java
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package com.ectrip.checkincar.license;
import android.content.Context;
import android.text.TextUtils;
import com.baidu.vis.ocrgve.plate.OcrgveEnginePlate;
import com.baidu.vis.unified.license.AndroidLicenser;
import com.baidu.vis.unified.license.BDLicenseAuthInfo;
import com.baidu.vis.unified.license.BDLicenseActivator;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
/**
* 百度离线授权 + 模型初始化管理（单例）。
* 所有方法必须在后台线程调用；SDK 全部调用用 try/catch 兜底，防止 so 异常导致崩溃。
*/
public class LicenseManager {
/** 正式授权拿到后在此配置（license.license 内容中的 key 与 assets 中的文件名），一期留空 */
private static final String LICENSE_KEY = "";
private static final String LICENSE_FILE = "ocrgve.license";
private static volatile LicenseManager instance;
private OcrgveEnginePlate engine;
private int algId = -1;
private String lastError = "未授权";
private LicenseManager() {
}
public static LicenseManager get() {
if (instance == null) {
synchronized (LicenseManager.class) {
if (instance == null) {
instance = new LicenseManager();
}
}
}
return instance;
}
public OcrgveEnginePlate getEngine() {
return engine;
}
public int getAlgId() {
if (algId < 0) {
try {
algId = OcrgveEnginePlate.getAlgorithmId();
android.util.Log.i("LicenseManager", "getAlgorithmId() = " + algId);
} catch (Throwable t) {
algId = 0;
android.util.Log.e("LicenseManager", "getAlgorithmId() failed", t);
}
}
return algId;
}
public String getLastError() {
return lastError;
}
/** 设备指纹（授权绑定依据，非硬件 SN）。失败返回空串。 */
public String getDeviceId(Context context) {
try {
String id = AndroidLicenser.getDeviceId(context.getApplicationContext());
return id == null ? "" : id.trim().toUpperCase(Locale.US);
} catch (Throwable t) {
return "";
}
}
/**
* 确保授权有效并完成模型初始化（只初始化一次）。
* @return true 引擎可识别
*/
public synchronized boolean ensureReady(Context context) {
if (engine != null) {
return true;
}
Context app = context.getApplicationContext();
try {
// 1. 已有授权（上次在线激活缓存）
if (checkAuthSuccess(app)) {
return initEngine(app);
}
// 2. assets 离线授权文件（正式部署方式）
if (!TextUtils.isEmpty(LICENSE_KEY)) {
AndroidLicenser.ErrorCode code =
AndroidLicenser.getInstance().authFromFile(app, LICENSE_KEY, LICENSE_FILE, true, getAlgId());
if (code == AndroidLicenser.ErrorCode.SUCCESS) {
return initEngine(app);
}
lastError = explain(code);
return false;
}
lastError = "未授权（请在设置中输入序列号联网激活，或放入正式授权文件）";
return false;
} catch (Throwable t) {
lastError = "授权初始化异常: " + t.getMessage();
return false;
}
}
/**
* 序列号联网激活，成功后立即初始化模型。
* @return 0 成功；其余为 SDK 错误码
*/
public synchronized int activateOnline(Context context, String serial) {
Context app = context.getApplicationContext();
String sn = serial.trim();
String deviceId = getDeviceId(app);
int alg = getAlgId();
android.util.Log.i("LicenseManager", "=== 联网激活开始 ===");
android.util.Log.i("LicenseManager", " serial=[" + sn + "] len=" + sn.length());
android.util.Log.i("LicenseManager", " algId=" + alg);
android.util.Log.i("LicenseManager", " packageName=" + app.getPackageName());
android.util.Log.i("LicenseManager", " deviceFingerprint=" + deviceId);
try {
int ret = BDLicenseActivator.initLicenseOnLine(app, sn, "", alg);
android.util.Log.i("LicenseManager", " initLicenseOnLine ret=" + ret);
if (ret == 0) {
android.util.Log.i("LicenseManager", "=== 联网激活成功，开始初始化模型 ===");
if (!initEngine(app)) {
android.util.Log.e("LicenseManager", "=== 模型初始化失败: " + lastError + " ===");
return -100;
}
android.util.Log.i("LicenseManager", "=== 全部成功 ===");
return 0;
}
// SDK 返回错误码，把完整信息拼到 lastError 供界面展示
lastError = "在线激活失败(ret=" + ret + ")\n"
+ "序列号: " + sn + "\n"
+ "算法ID: " + alg + "\n"
+ "包名: " + app.getPackageName() + "\n"
+ "设备指纹: " + deviceId;
android.util.Log.e("LicenseManager", "=== 激活失败 ===\n" + lastError);
return ret;
} catch (Throwable t) {
// 完整堆栈输出到 logcat
android.util.Log.e("LicenseManager", "=== 激活异常 ===", t);
android.util.Log.e("LicenseManager", " serial=" + sn + " algId=" + alg
+ " pkg=" + app.getPackageName() + " device=" + deviceId);
// 把异常完整信息存入 lastError 供界面展示
java.io.StringWriter sw = new java.io.StringWriter();
t.printStackTrace(new java.io.PrintWriter(sw));
lastError = "在线激活异常: " + t.getClass().getName() + ": " + t.getMessage()
+ "\n\n序列号: " + sn
+ "\n算法ID: " + alg
+ "\n包名: " + app.getPackageName()
+ "\n设备指纹: " + deviceId
+ "\n\n完整堆栈:\n" + sw.toString();
return -1;
}
}
private boolean checkAuthSuccess(Context app) {
try {
return AndroidLicenser.getInstance().getAuthStatus(getAlgId())
== AndroidLicenser.ErrorCode.SUCCESS;
} catch (Throwable t) {
return false;
}
}
private boolean initEngine(Context app) {
try {
OcrgveEnginePlate e = new OcrgveEnginePlate();
OcrgveEnginePlate.setPreFiltering(false);
int ret = e.initFromAssets(app);
// 0 成功；多线程/重复初始化时也视为成功
if (ret == 0) {
engine = e;
lastError = "";
return true;
}
lastError = "模型初始化失败(" + initErrText(ret) + ")";
return false;
} catch (Throwable t) {
lastError = "模型初始化异常: " + t.getMessage();
return false;
}
}
/** 授权状态摘要（设置页展示） */
public String getStatusText(Context context) {
if (engine != null) {
return "已授权 · 模型已加载";
}
try {
AndroidLicenser.ErrorCode code =
AndroidLicenser.getInstance().getAuthStatus(getAlgId());
if (code == AndroidLicenser.ErrorCode.SUCCESS) {
return "已授权 · 模型未加载";
}
return explain(code);
} catch (Throwable t) {
android.util.Log.w("LicenseManager", "getAuthStatus: " + t.getClass().getSimpleName()
+ " " + t.getMessage());
return "未授权（待激活）";
}
}
/** 授权到期时间 yyyy-MM-dd，取不到返回空串。注意：未授权时 authGetAuthInfo 会 native 崩溃，必须先判状态 */
public String getExpireText(Context context) {
try {
if (!checkAuthSuccess(context.getApplicationContext())) {
return "";
}
BDLicenseAuthInfo info =
AndroidLicenser.getInstance().authGetAuthInfo(context.getApplicationContext(), getAlgId());
if (info != null && info.expireTime > 0) {
return new SimpleDateFormat("yyyy-MM-dd", Locale.CHINA).format(new Date(info.expireTime));
}
} catch (Throwable t) {
// ignore
}
return "";
}
public synchronized void release() {
if (engine != null) {
try {
engine.uninit();
} catch (Throwable ignored) {
}
engine = null;
}
}
private static String initErrText(int code) {
switch (code) {
case 0:
return "成功";
case 4:
return "鉴权失败";
case 6:
return "重复初始化";
case 9:
return "模型文件未找到";
default:
return "错误码" + code;
}
}
private static String explain(AndroidLicenser.ErrorCode code) {
if (code == null) {
return "未知授权错误";
}
switch (code) {
case SUCCESS:
return "已授权";
case LICENSE_DEVICE_ID_CHECK_ERROR:
return "设备指纹不匹配";
case LICENSE_PACKAGE_NAME_CHECK_ERROR:
return "包名不匹配";
case LICENSE_EXPIRED_TIME_CHECK_ERROR:
case LICENSE_TIME_EXPIRED:
return "授权已过期";
case LICENSE_REMOTE_DATA_ERROR:
return "远程授权失败（检查网络/序列号）";
case LICENSE_LOCAL_FILE_ERROR:
case LICENSE_KEY_FILE_ERROR:
return "授权文件缺失";
case LICENSE_NOT_INIT_ERROR:
return "授权未初始化";
default:
return code.name();
}
}
}