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@@ -0,0 +1,337 @@
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+#include<jni.h>
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+#include<stdio.h>
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+#include<string.h>
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+//导入我们创建的头文件
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+#include "com_sheep_gamegroup_util_PngUtil.h"
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+//全局获取Context
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+jobject getGlobalContext(JNIEnv *env);
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+//根据Context获取对应安装的apk文件的md5值
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+char* getSignatureMd5(JNIEnv * env, jobject obj_package_manager, jobject obj_package_name);
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+//根据Context获取对应安装的apk文件的hashCode值
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+//jint getSignatureHashCode(JNIEnv* env, jobject obj_package_manager, jobject obj_package_name);
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+// 字节流转换为十六进制字符串
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+void ByteToHexStr(const unsigned char* source, char* dest, int sourceLen);
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+//调用android toast
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+void android_toast(JNIEnv *env, jobject context, jstring str);
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+//判断java String 与c String 是否相同
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+int j_str_cmp_c_str(JNIEnv *env, jstring jStr, char* cStr);
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+//合并字符串
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+jstring android_string_concat(JNIEnv *env, jstring jStr, char* cStr);
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+//合并字符串
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+jstring android_string_concat_string(JNIEnv *env, jstring jStr, jstring jStr2);
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+//根据Context获取PackageManager
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+jobject getPackageManager(JNIEnv * env, jobject context);
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+//根据Context获取对应的包名
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+jobject getPackageName(JNIEnv * env, jobject context);
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+
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+/*
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+ * cd app\src\main
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+ * ndk-build
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+ * Class: com_sheep_gamegroup_util_PngUtil
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+ * Method: isKfzsSheepApp
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+ * Signature: ()Ljava/lang/String;
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+ */
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+JNIEXPORT jstring JNICALL Java_com_sheep_gamegroup_util_PngUtil_isKfzsSheepApp
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+ (JNIEnv *env, jclass jclassp){
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+ jobject context = getGlobalContext(env);
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+ if(context == NULL){
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+ return (*env)->NewStringUTF(env, "error context is NULL");
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+ }
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+ jobject obj_package_manager = getPackageManager(env, context);
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+ jobject obj_package_name = getPackageName(env, context);
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+ char* md5 = getSignatureMd5(env, obj_package_manager, obj_package_name);
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+ //result已经释放
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+ if(strcmp(md5, "C69316882EADA62AE560C31076740400") == 0){
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+ android_toast(env, context, (*env)->NewStringUTF(env, "恭喜，您使用的是正版小绵羊！"));
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+ } else {
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+ android_toast(env, context, (*env)->NewStringUTF(env, "注意，您使用的不是正版小绵羊！"));
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+ return (*env)->NewStringUTF(env, "error this is pirate app");
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+ }
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+ return NULL;
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+ }
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+/*
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+ * Class: com_sheep_gamegroup_util_PngUtil
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+ * Method: decodePng
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+ * Signature: (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
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+ */
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+JNIEXPORT jstring JNICALL Java_com_sheep_gamegroup_util_PngUtil_decodePng
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+ (JNIEnv *env, jclass jclassp, jstring filePath, jstring gamePackageName, jstring comment){
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+ jobject context = getGlobalContext(env);
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+ if(context == NULL){
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+ return (*env)->NewStringUTF(env, "error context is NULL");
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+ }
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+ jobject obj_package_manager = getPackageManager(env, context);
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+ jobject obj_package_name = getPackageName(env, context);
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+ char* md5 = getSignatureMd5(env, obj_package_manager, obj_package_name);
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+ //result已经释放
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+ if(strcmp(md5, "C69316882EADA62AE560C31076740400") == 0){
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+ // android_toast(env, context, (*env)->NewStringUTF(env, "恭喜，您使用的是正版小绵羊！"));
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+ } else {
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+// android_toast(env, context, (*env)->NewStringUTF(env, "注意，您使用的不是正版小绵羊！"));
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+ return (*env)->NewStringUTF(env, "error this is pirate app");
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+ }
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+ char* gameMd5 = getSignatureMd5(env, obj_package_manager, gamePackageName);
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+
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+ //加密文本内容：包名;签名md5;试玩应用包名;试玩应用签名md5;任务id;图片总数;图片位置
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+
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+ jstring result_a;
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+ jstring result_b;
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+ result_a = android_string_concat(env, obj_package_name, ";");
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+ (*env)->DeleteLocalRef(env, obj_package_name);
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+ result_b = android_string_concat(env, result_a, md5);
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+ (*env)->DeleteLocalRef(env, result_a);
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+ result_a = android_string_concat(env, result_b, ";");
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+ (*env)->DeleteLocalRef(env, result_b);
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+ result_b = android_string_concat_string(env, result_a, gamePackageName);
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+ (*env)->DeleteLocalRef(env, result_a);
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+ result_a = android_string_concat(env, result_b, ";");
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+ (*env)->DeleteLocalRef(env, result_b);
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+ result_b = android_string_concat(env, result_a, gameMd5);
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+ (*env)->DeleteLocalRef(env, result_a);
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+ result_a = android_string_concat(env, result_b, ";");
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+ (*env)->DeleteLocalRef(env, result_b);
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+
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+ result_b = android_string_concat_string(env, result_a, comment);
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+ (*env)->DeleteLocalRef(env, result_a);
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+// android_toast(env, context, result_b);
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+
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+ //rsa公钥加密
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+ jclass kfzssafeClass = (*env)->FindClass(env, "go/kfzssafe/Kfzssafe");
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+ jmethodID publicEncryptMethodID = (*env)->GetStaticMethodID(env, kfzssafeClass,"publicEncrypt","(Ljava/lang/String;)Ljava/lang/String;");
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+ result_a = (*env)->CallStaticObjectMethod(env, kfzssafeClass, publicEncryptMethodID, result_b);
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+ (*env)->DeleteLocalRef(env, result_b);
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+
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+// JNIDecodePngUtil.addIEndData(file, result_a);
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+
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+ jmethodID addIEndDataMethodID = (*env)->GetStaticMethodID(env, kfzssafeClass,"addIEndData2","(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
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+ jstring result = (*env)->CallStaticObjectMethod(env, kfzssafeClass, addIEndDataMethodID, filePath, result_a);
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+ (*env)->DeleteLocalRef(env, result_a);
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+
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+
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+
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+ free(md5);
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+ free(gameMd5);
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+ (*env)->DeleteLocalRef(env, gamePackageName);
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+ (*env)->DeleteLocalRef(env, obj_package_manager);
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+ (*env)->DeleteLocalRef(env, context);
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+ return result;
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+ }
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+//合并字符串
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+jstring android_string_concat(JNIEnv *env, jstring jStr, char* cStr){
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+ jclass String_clazz = (*env)->FindClass(env, "java/lang/String");
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+ jmethodID concat_methodID = (*env)->GetMethodID(env, String_clazz, "concat", "(Ljava/lang/String;)Ljava/lang/String;");
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+ //需要在后面拼接的字符串...
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+ jstring strEnd = (*env)->NewStringUTF(env, cStr);
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+ jstring result = (*env)->CallObjectMethod(env, jStr, concat_methodID, strEnd);
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+ //释放内存
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+ (*env)->DeleteLocalRef(env, strEnd);
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+ return result;
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+}
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+//合并字符串
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+jstring android_string_concat_string(JNIEnv *env, jstring jStr, jstring jStr2){
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+ jclass String_clazz = (*env)->FindClass(env, "java/lang/String");
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+ jmethodID concat_methodID = (*env)->GetMethodID(env, String_clazz, "concat", "(Ljava/lang/String;)Ljava/lang/String;");
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+ jstring result = (*env)->CallObjectMethod(env, jStr, concat_methodID, jStr2);
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+ return result;
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+}
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+ //判断java String 与c String 是否相同
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+int j_str_cmp_c_str(JNIEnv *env, jstring jStr, char* cStr){
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+ const char *jStrToCStr = (*env)->GetStringUTFChars(env, jStr, 0);
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+ int result = strcmp(jStrToCStr, cStr);
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+ (*env)->ReleaseStringUTFChars(env, jStr, jStrToCStr);
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+ return result;
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+}
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+//调用android toast
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+void android_toast(JNIEnv *env, jobject context, jstring str){
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+ jclass tclss = (*env)->FindClass(env, "android/widget/Toast");
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+ jmethodID mid = (*env)->GetStaticMethodID(env, tclss,"makeText","(Landroid/content/Context;Ljava/lang/CharSequence;I)Landroid/widget/Toast;");
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+ jobject job = (*env)->CallStaticObjectMethod(env, tclss,mid,context,str);
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+ jmethodID showId = (*env)->GetMethodID(env, tclss,"show","()V");
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+ (*env)->CallVoidMethod(env, job,showId,context,str);
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+}
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+//获取Context
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+jobject getGlobalContext(JNIEnv *env)
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+{
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+ //获取Activity Thread的实例对象
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+ jclass activityThread = (*env)->FindClass(env, "android/app/ActivityThread");
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+ jmethodID currentActivityThread = (*env)->GetStaticMethodID(env, activityThread, "currentActivityThread", "()Landroid/app/ActivityThread;");
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+ jobject at = (*env)->CallStaticObjectMethod(env, activityThread, currentActivityThread);
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+ //获取Application，也就是全局的Context
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+ jmethodID getApplication = (*env)->GetMethodID(env, activityThread, "getApplication", "()Landroid/app/Application;");
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+ jobject context = (*env)->CallObjectMethod(env, at, getApplication);
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+ return context;
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+}
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+
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+// 字节流转换为十六进制字符串
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+//http://blog.csdn.net/pingd/article/details/41945417
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+void ByteToHexStr(const unsigned char* source, char* dest, int sourceLen)
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+{
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+ short i;
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+ unsigned char highByte, lowByte;
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+
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+ for (i = 0; i < sourceLen; i++)
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+ {
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+ highByte = source[i] >> 4;
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+ lowByte = source[i] & 0x0f;
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+
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+ highByte += 0x30;
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+
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+ if (highByte > 0x39)
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+ dest[i * 2] = highByte + 0x07;
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+ else
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+ dest[i * 2] = highByte;
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+
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+ lowByte += 0x30;
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+ if (lowByte > 0x39)
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+ dest[i * 2 + 1] = lowByte + 0x07;
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+ else
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+ dest[i * 2 + 1] = lowByte;
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+ }
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+ return;
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+}
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+//根据Context获取PackageManager
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+jobject getPackageManager(JNIEnv * env, jobject context) {
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+ jclass class_context = (*env)->GetObjectClass(env, context);
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+ jmethodID tem_method = (*env)->GetMethodID(env, class_context, "getPackageManager", "()Landroid/content/pm/PackageManager;");
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+ jobject obj_package_manager = (*env)->CallObjectMethod(env, context, tem_method);
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+ return obj_package_manager;
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+}
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+//根据Context获取对应的包名
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+jobject getPackageName(JNIEnv * env, jobject context) {
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+ jclass class_context = (*env)->GetObjectClass(env, context);
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+ // getPackageName
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+ jmethodID tem_method = (*env)->GetMethodID(env, class_context, "getPackageName", "()Ljava/lang/String;");
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+ jobject obj_package_name = (*env)->CallObjectMethod(env, context, tem_method);
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+ return obj_package_name;
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+}
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+//根据Context获取对应安装的apk文件的md5值
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+//TODO 这个方法中，获取PackageInfo可能会报错，直接挂掉，因为没有安装应用
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+char* getSignatureMd5(JNIEnv * env, jobject obj_package_manager, jobject obj_package_name) {
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+ jclass tem_class;
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+ jmethodID tem_method;
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+ // getPackageInfo
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+ tem_class = (*env)->GetObjectClass(env, obj_package_manager);
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+ tem_method = (*env)->GetMethodID(env, tem_class, "getPackageInfo", "(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;");
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+ jobject obj_package_info = (*env)->CallObjectMethod(env, obj_package_manager, tem_method, obj_package_name, 64);
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+
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+ // Signature[] arrayOfSignature = localPackageInfo.signatures;
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+ // Signature localSignature = arrayOfSignature[0];
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+ tem_class = (*env)->GetObjectClass(env, obj_package_info);
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+ jfieldID fieldID_signatures = (*env)->GetFieldID(env, tem_class, "signatures", "[Landroid/content/pm/Signature;");
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+ jobjectArray signatures = (*env)->GetObjectField(env, obj_package_info, fieldID_signatures);
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+ jobject signature = (*env)->GetObjectArrayElement(env, signatures, 0);
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+ // localSignature.toByteArray()
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+ tem_class = (*env)->GetObjectClass(env, signature);
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+ tem_method = (*env)->GetMethodID(env, tem_class, "toByteArray", "()[B");
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+ jobject obj_sign_byte_array = (*env)->CallObjectMethod(env, signature, tem_method);// 这个就是拿到的签名byte数组
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+
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+ // MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
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+ jclass class_MessageDigest = (*env)->FindClass(env, "java/security/MessageDigest");
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+ tem_method = (*env)->GetStaticMethodID(env, class_MessageDigest, "getInstance", "(Ljava/lang/String;)Ljava/security/MessageDigest;");
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+ jobject obj_md5 = (*env)->CallStaticObjectMethod(env, class_MessageDigest, tem_method, (*env)->NewStringUTF(env, "md5"));
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+ // localMessageDigest.update(localSignature.toByteArray());
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+ //tem_class = (*env)->GetObjectClass(env, obj_md5);
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+ tem_method = (*env)->GetMethodID(env, class_MessageDigest, "update", "([B)V");// 这个函数的返回值是void，写V
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+ (*env)->CallVoidMethod(env, obj_md5, tem_method, obj_sign_byte_array);
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+ // localMessageDigest.digest()
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+ tem_method = (*env)->GetMethodID(env, class_MessageDigest, "digest", "()[B");
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+ // 这个是md5以后的byte数组，现在只要将它转换成16进制字符串，就可以和之前的比较了
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+ jobject obj_array_sign = (*env)->CallObjectMethod(env, obj_md5, tem_method);// jni中有强转类型的概念吗
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+ // // 这个就是签名的md5值
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+ // String str2 = toHex(localMessageDigest.digest());
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+
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+ // 尝试用c写一下：http://blog.csdn.net/pingd/article/details/41945417
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+ jsize int_array_length = (*env)->GetArrayLength(env, obj_array_sign);
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+ jbyte* byte_array_elements = (*env)->GetByteArrayElements(env, obj_array_sign, JNI_FALSE);
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+ char* char_result = (char*) malloc(int_array_length*2+1);// 开始没有+1，在有的情况下会越界产生问题，还是在后面补上\0比较好
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+ // 将byte数组转换成16进制字符串，发现这里不用强转，jbyte和unsigned char应该字节数是一样的
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+ ByteToHexStr(byte_array_elements, char_result, int_array_length);
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+ *(char_result+int_array_length*2) = '\0';// 在末尾补\0
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+ // release
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+ (*env)->ReleaseByteArrayElements(env, obj_array_sign, byte_array_elements, JNI_ABORT);
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+ return char_result;
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+
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+
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+ //java code=======================================================
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+ // PackageInfo localPackageInfo = context.getPackageManager()
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+ // .getPackageInfo(context.getPackageName(), 64);
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+ // StringBuilder localStringBuilder = new StringBuilder();
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+ // Signature[] arrayOfSignature = localPackageInfo.signatures;
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+ // Signature localSignature = arrayOfSignature[0];
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+ // MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
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+ // localMessageDigest.update(localSignature.toByteArray());
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+ // // 这个就是签名的md5值
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+ // String str2 = toHex(localMessageDigest.digest());
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+ // localStringBuilder.append("Signature of ")
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+ // .append(localPackageInfo.packageName).append('\n').append(str2);
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+ // System.out.println(localStringBuilder.toString());
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+ // TextView tv = (TextView) findViewById(R.id.tv);
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+ // tv.setText(localStringBuilder.toString());
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+
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+
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+ // private String toHex(byte[] paramArrayOfByte) {
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+ // StringBuffer localStringBuffer = new StringBuffer();
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+ // for (int i = 0; i < paramArrayOfByte.length; i++) {
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+ // Object[] arrayOfObject = new Object[1];
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+ // arrayOfObject[0] = Byte.valueOf(paramArrayOfByte[i]);
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+ // localStringBuffer.append(String.format("%02x", arrayOfObject));
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+ // }
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+ // return localStringBuffer.toString();
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+ // }
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+ //java code======================================================
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+}
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+/**
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+*校验APP包名和签名是否合法返回值为1表示合法
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+*/
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+// jint getSignatureHashCode(JNIEnv* env, jobject packageManager, jobject application_package){
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+// // //获得PackageManager类
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+// jclass packageManager_clazz=(*env)->GetObjectClass(env,packageManager);
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+//
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+// //得到getPackageInfo方法的ID
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+// jmethodID methodID_getPackageInfo=(*env)->GetMethodID(env,packageManager_clazz,"getPackageInfo",
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+// "(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;");
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+//
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+// // //得到getPackageName方法的ID
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+// jmethodID methodID_getPackageName = (*env)->GetMethodID(env,context_clazz,"getPackageName","()Ljava/lang/String;");
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+//
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+//
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+// //获得PackageInfo
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+// jobject packageInfo = (*env)->CallObjectMethod(env,packageManager,methodID_getPackageInfo,application_package,64);
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+// jclass packageinfo_clazz = (*env)->GetObjectClass(env,packageInfo);
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|
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+//
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+// //获取签名
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+// jfieldID fieldID_signatures = (*env)->GetFieldID(env,packageinfo_clazz,"signatures","[Landroid/content/pm/Signature;");
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+// jobjectArray signature_arr = (jobjectArray)(*env)->GetObjectField(env,packageInfo,fieldID_signatures);
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|
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+//
|
|
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+// //Signature数组中取出第一个元素
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|
|
+// jobject signature = (*env)->GetObjectArrayElement(env,signature_arr,0);
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|
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+//
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|
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+// //读signature的hashcode
|
|
|
+// jclass signature_clazz = (*env)->GetObjectClass(env,signature);
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+// jmethodID methodID_hashcode = (*env)->GetMethodID(env,signature_clazz,"hashCode","()I");
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|
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+// jint hashCode = (*env)->CallIntMethod(env,signature,methodID_hashcode);
|
|
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+//
|
|
|
+// return hashCode;
|
|
|
+//// public class SignatureUtils {
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|
|
+//// public static int getSignatureHashCode(Context context){
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|
|
+//// Signature signature = getSignature(context);
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|
|
+//// int hashCode = signature.hashCode();
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|
|
+//// return hashCode;
|
|
|
+//// }
|
|
|
+//// public static Signature getSignature(Context argContext) {
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|
|
+//// Signature signature = null;
|
|
|
+//// try {
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|
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+//// String packageName = argContext.getPackageName();
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|
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+//// PackageManager packageManager = argContext.getPackageManager();
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|
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+//// PackageInfo packageInfo = packageManager.getPackageInfo(packageName,packageManager.GET_SIGNATURES);
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|
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+//// Signature[] signatures = packageInfo.signatures;
|
|
|
+//// signature = signatures[0];
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|
|
+//// } catch (PackageManager.NameNotFoundException e) {
|
|
|
+//// e.printStackTrace();
|
|
|
+//// }
|
|
|
+//// return signature;
|
|
|
+//// }
|
|
|
+//// }
|
|
|
+//
|
|
|
+//}
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|
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+
|
