Android反编译破解签名验证

Android Studio无源码调试app

很多apk对签名做了验证，重新打包的apk没办法运行，不过签名验证都是可破解的。

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不管代码如何混淆，核心代码怎么藏，肯定离不开签名获取的API调用。
如果涉及到服务端验证，先安装原包，读取原包的签名数据，得到签名数据后原包就可以删除了。

android获取APK签名信息及MD5指纹

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从这里我们可以知道，获取签名肯定离不开signatures这个变量，对反编译出来smali文件夹全文查找。
推荐使用Sublime Text

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Landroid/content/pm/PackageInfo;->signatures:[Landroid/content/pm/Signature;

可能会搜索出很多地方，不过一般第三方sdk可以不用考虑，比如支付、推送、广告等。

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然后分析一下前后代码，看不懂smali语法也没关系，切换到Java Decompiler看java代码就行。

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前后可能看不到最终的验证结果判断，所以要能够知道函数调用堆栈。

invoke-static { }, Lcom/qiang/framework/LogHelper;->debug()V

在logcat中可以看到如下结果

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LogHelper.java

package com.qiang.framework;

import android.util.Log;
import com.qiang.gson.Gson;
import com.qiang.gson.GsonBuilder;

public class LogHelper
{
    private static final String TAG = "Debug";
    private static Gson gson = new GsonBuilder().setPrettyPrinting().create();

    public static String getStackTrace(int start)
    {
        return getStackTrace(start, 5);
    }

    public static String getStackTrace(int start, int count)
    {
        StringBuilder stringBuilder = new StringBuilder();
        StackTraceElement[] stackTraceElements = new RuntimeException().getStackTrace();
        int i = start;
        while (i < stackTraceElements.length && i < start + count)
        {
            stringBuilder.append("\t");
            stringBuilder.append("at");
            stringBuilder.append(" ");
            stringBuilder.append(stackTraceElements[i].toString());
            stringBuilder.append("\n");
            i += 1;
        }

        return stringBuilder.toString();
    }

    public static int debug(String tag, String msg)
    {
        return Log.d(TAG, tag + ": " + msg + "\n" + getStackTrace(3));
    }

    public static int debug(String tag, String msg, Throwable throwable)
    {
        return Log.d(TAG, tag + ": " + msg + "\n" + getStackTrace(3), throwable);
    }

    public static void debug()
    {
        Log.d(TAG, TAG + "\n" + getStackTrace(3));
    }

    public static void debug(Object msg)
    {
        Log.d(TAG, gson.toJson(msg) + "\n" + getStackTrace(3));
    }

    public static void debug(Object msg, int count)
    {
        Log.d(TAG, gson.toJson(msg) + "\n" + getStackTrace(3, count));
    }

    public static int error(String tag, String msg)
    {
        return Log.e(TAG, tag + ": " + msg + "\n" + getStackTrace(3));
    }

    public static int error(String tag, String msg, Throwable throwable)
    {
        return Log.e(TAG, tag + ": " + msg + "\n" + getStackTrace(3), throwable);
    }

    public static void error()
    {
        Log.e(TAG, TAG + "\n" + getStackTrace(3));
    }

    public static void error(Object msg)
    {
        Log.e(TAG, gson.toJson(msg) + "\n" + getStackTrace(3));
    }

    public static void error(Object msg, int paramInt)
    {
        Log.e(TAG, gson.toJson(msg) + "\n" + getStackTrace(3, paramInt));
    }

    public static int info(String tag, String msg)
    {
        return Log.i(TAG, tag + ": " + msg + "\n" + getStackTrace(3));
    }

    public static int info(String tag, String msg, Throwable throwable)
    {
        return Log.i(TAG, tag + ": " + msg + "\n" + getStackTrace(3), throwable);
    }

    public static void info()
    {
        Log.i(TAG, TAG + "\n" + getStackTrace(3));
    }

    public static void info(Object msg)
    {
        Log.i(TAG, gson.toJson(msg) + "\n" + getStackTrace(3));
    }

    public static void info(Object msg, int count)
    {
        Log.i(TAG, gson.toJson(msg) + "\n" + getStackTrace(3, count));
    }

    public static int warning(String tag, String msg)
    {
        return Log.w(TAG, tag + ": " + msg + "\n" + getStackTrace(3));
    }

    public static int warning(String tag, String msg, Throwable throwable)
    {
        return Log.w(TAG, tag + ": " + msg + "\n" + getStackTrace(3), throwable);
    }

    public static void warning()
    {
        Log.w(TAG, TAG + "\n" + getStackTrace(3));
    }

    public static void warning(Object msg)
    {
        Log.w(TAG, gson.toJson(msg) + "\n" + getStackTrace(3));
    }

    public static void warning(Object msg, int count)
    {
        Log.w(TAG, gson.toJson(msg) + "\n" + getStackTrace(3, count));
    }
}

LogHelper.smali

.class public Lcom/qiang/framework/LogHelper;
.super Ljava/lang/Object;
.source "LogHelper.java"


# static fields
.field private static final TAG:Ljava/lang/String; = "Debug"

.field private static gson:Lcom/qiang/gson/Gson;


# direct methods
.method static constructor <clinit>()V
    .locals 1

    .prologue
    .line 10
    new-instance v0, Lcom/qiang/gson/GsonBuilder;

    invoke-direct {v0}, Lcom/qiang/gson/GsonBuilder;-><init>()V

    invoke-virtual {v0}, Lcom/qiang/gson/GsonBuilder;->setPrettyPrinting()Lcom/qiang/gson/GsonBuilder;

    move-result-object v0

    invoke-virtual {v0}, Lcom/qiang/gson/GsonBuilder;->create()Lcom/qiang/gson/Gson;

    move-result-object v0

    sput-object v0, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    return-void
.end method

.method public constructor <init>()V
    .locals 0

    .prologue
    .line 7
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static debug(Ljava/lang/String;Ljava/lang/String;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;

    .prologue
    .line 37
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I

    move-result v0

    return v0
.end method

.method public static debug(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;
    .param p2, "throwable"    # Ljava/lang/Throwable;

    .prologue
    .line 42
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1, p2}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    move-result v0

    return v0
.end method

.method public static debug()V
    .locals 3

    .prologue
    .line 47
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Debug\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I

    .line 48
    return-void
.end method

.method public static debug(Ljava/lang/Object;)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;

    .prologue
    .line 52
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I

    .line 53
    return-void
.end method

.method public static debug(Ljava/lang/Object;I)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;
    .param p1, "count"    # I

    .prologue
    .line 57
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2, p1}, Lcom/qiang/framework/LogHelper;->getStackTrace(II)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I

    .line 58
    return-void
.end method

.method public static error(Ljava/lang/String;Ljava/lang/String;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;

    .prologue
    .line 62
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    move-result v0

    return v0
.end method

.method public static error(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;
    .param p2, "throwable"    # Ljava/lang/Throwable;

    .prologue
    .line 67
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1, p2}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    move-result v0

    return v0
.end method

.method public static error()V
    .locals 3

    .prologue
    .line 72
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Debug\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    .line 73
    return-void
.end method

.method public static error(Ljava/lang/Object;)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;

    .prologue
    .line 77
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    .line 78
    return-void
.end method

.method public static error(Ljava/lang/Object;I)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;
    .param p1, "paramInt"    # I

    .prologue
    .line 82
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2, p1}, Lcom/qiang/framework/LogHelper;->getStackTrace(II)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    .line 83
    return-void
.end method

.method public static getStackTrace(I)Ljava/lang/String;
    .locals 1
    .param p0, "start"    # I

    .prologue
    .line 14
    const/4 v0, 0x5

    invoke-static {p0, v0}, Lcom/qiang/framework/LogHelper;->getStackTrace(II)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static getStackTrace(II)Ljava/lang/String;
    .locals 4
    .param p0, "start"    # I
    .param p1, "count"    # I

    .prologue
    .line 19
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    .line 20
    .local v2, "stringBuilder":Ljava/lang/StringBuilder;
    new-instance v3, Ljava/lang/RuntimeException;

    invoke-direct {v3}, Ljava/lang/RuntimeException;-><init>()V

    invoke-virtual {v3}, Ljava/lang/RuntimeException;->getStackTrace()[Ljava/lang/StackTraceElement;

    move-result-object v1

    .line 21
    .local v1, "stackTraceElements":[Ljava/lang/StackTraceElement;
    move v0, p0

    .line 22
    .local v0, "i":I
    :goto_0
    array-length v3, v1

    if-ge v0, v3, :cond_0

    add-int v3, p0, p1

    if-ge v0, v3, :cond_0

    .line 24
    const-string v3, "\t"

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 25
    const-string v3, "at"

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 26
    const-string v3, " "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 27
    aget-object v3, v1, v0

    invoke-virtual {v3}, Ljava/lang/StackTraceElement;->toString()Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 28
    const-string v3, "\n"

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 29
    add-int/lit8 v0, v0, 0x1

    goto :goto_0

    .line 32
    :cond_0
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v3

    return-object v3
.end method

.method public static info(Ljava/lang/String;Ljava/lang/String;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;

    .prologue
    .line 87
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I

    move-result v0

    return v0
.end method

.method public static info(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;
    .param p2, "throwable"    # Ljava/lang/Throwable;

    .prologue
    .line 92
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1, p2}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    move-result v0

    return v0
.end method

.method public static info()V
    .locals 3

    .prologue
    .line 97
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Debug\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I

    .line 98
    return-void
.end method

.method public static info(Ljava/lang/Object;)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;

    .prologue
    .line 102
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I

    .line 103
    return-void
.end method

.method public static info(Ljava/lang/Object;I)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;
    .param p1, "count"    # I

    .prologue
    .line 107
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2, p1}, Lcom/qiang/framework/LogHelper;->getStackTrace(II)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I

    .line 108
    return-void
.end method

.method public static warning(Ljava/lang/String;Ljava/lang/String;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;

    .prologue
    .line 112
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    move-result v0

    return v0
.end method

.method public static warning(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
    .locals 3
    .param p0, "tag"    # Ljava/lang/String;
    .param p1, "msg"    # Ljava/lang/String;
    .param p2, "throwable"    # Ljava/lang/Throwable;

    .prologue
    .line 117
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, ": "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1, p2}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    move-result v0

    return v0
.end method

.method public static warning()V
    .locals 3

    .prologue
    .line 122
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Debug\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    .line 123
    return-void
.end method

.method public static warning(Ljava/lang/Object;)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;

    .prologue
    .line 127
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2}, Lcom/qiang/framework/LogHelper;->getStackTrace(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    .line 128
    return-void
.end method

.method public static warning(Ljava/lang/Object;I)V
    .locals 3
    .param p0, "msg"    # Ljava/lang/Object;
    .param p1, "count"    # I

    .prologue
    .line 132
    const-string v0, "Debug"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    sget-object v2, Lcom/qiang/framework/LogHelper;->gson:Lcom/qiang/gson/Gson;

    invoke-virtual {v2, p0}, Lcom/qiang/gson/Gson;->toJson(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const/4 v2, 0x3

    invoke-static {v2, p1}, Lcom/qiang/framework/LogHelper;->getStackTrace(II)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    .line 133
    return-void
.end method

只要把LogHelper.smali和反编译出来的smali文件一起重新编译就能够使用了。
gson多版本兼容问题

最终确定了验证结果所在行，修改为true即可。

破解别人的apk添加自己的功能，可能会 最好用git或svn进行版本管理。

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